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1.
  • Dellve, Lotta, 1965, et al. (author)
  • Safe work environments: Target 8.8 and its indicators regarding inequalities in occupational disorders and rights of compensation for migrant workers
  • 2021
  • In: The 2021 Gothenburg International Research Conference on SDG 8.
  • Conference paper (other academic/artistic)abstract
    • Decent and safe working conditions and non-discrimination in the rights of compensation for serious occupational disorders are of central policy concern in Sweden and for societies in a global sustainability perspective (UN). Despite overall improvements in work-related health in the WHO European Region, inequities within countries persist (WHO, 2019) and relatively large health inequalities still prevail also in welfare countries, such as Sweden (Mackenbach, 2019). The UN SDG target 8.8 consider “Protect labour rights and promote safe and secure working environments for all workers, including migrant workers, in particular women and migrants, and those in precarious employment”. While a number of studies within occupational health research have focused inequalities in relation to gender (sex), few studies have focused migrant workers and the combined sustainability approach of inequalities related to migrant status and gender perspectives. This paper reviews studies of indicators of target achievement regarding frequency rates of occupational disorders and equal compensation for occupational disorders, in particular for migrant workers. The aim is to identify and critically analyze previous research conducted within the indicators (the applied methodology and results) and suggest areas where research and academy may contribute towards achievement in these matter.
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2.
  • Olofsdotter Stensöta, Helena, 1965, et al. (author)
  • Fördomar eller okunskap - könsasymmetrier i handläggning?
  • 2020
  • In: Arbetsmarknad & Arbetsliv. - Karlstad : Karlstads universitet. - 1400-9692 .- 2002-343X. ; 26:2, s. 91-110
  • Journal article (peer-reviewed)abstract
    • Kvinnor har något svårare att få ersättning än män från arbetsskadeförsäkringen. Tidigare studier fokuserar främst på egenskaper hos de försäkrade, vi undersöker istället om bedömningar i handläggningen kan bidra till skillnaderna genom omedvetna bias och/eller kunskapsluckor. Vi använder ett datamaterial bestående dels av en enkät med ett vinjettexperiment som riktats till samtliga handläggare och dels reellaarbetsskadeakter. Undersökningen ger inte stöd för att handläggarna diskriminerar utifrån kön, men att den medicinska bedömningen ofta är undermålig. Vi rekommenderar utökad utbildning av handläggare för att undvika rättsosäkra bedömningar och risk för ojämlikhet i utfall av arbetsskadeärenden med avseende på kön.
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3.
  • Dahlin, Lars, et al. (author)
  • Low myelinated nerve-fibre density may lead to symptoms associated with nerve entrapment in vibration-induced neuropathy.
  • 2014
  • In: Journal of Occupational Medicine and Toxicology. - : Springer Science and Business Media LLC. - 1745-6673. ; 9:1
  • Research review (peer-reviewed)abstract
    • Prolonged exposure to hand-held vibrating tools may cause a hand-arm vibration syndrome (HAVS), sometimes with individual susceptibility. The neurological symptoms seen in HAVS are similar to symptoms seen in patients with carpal tunnel syndrome (CTS) and there is a strong relationship between CTS and the use of vibrating tools. Vibration exposure to the hand is known to induce demyelination of nerve fibres and to reduce the density of myelinated nerve fibres in the nerve trunks. In view of current knowledge regarding the clinical effects of low nerve-fibre density in patients with neuropathies of varying aetiologies, such as diabetes, and that such a low density may lead to nerve entrapment symptoms, a reduction in myelinated nerve fibres may be a key factor behind the symptoms also seen in patients with HAVS and CTS. Furthermore, a reduced nerve-fibre density may result in a changed afferent signal pattern, resulting in turn in alterations in the brain, further prompting the symptoms seen in patients with HAVS and CTS. We conclude that a low nerve-fibre density lead to symptoms associated with nerve entrapment, such as CTS, in some patients with HAVS.
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4.
  • Edlund, Maria, 1972, et al. (author)
  • A prospective cohort study investigating an exposure-response relationship among vibration-exposed male workers with numbness of the hands
  • 2014
  • In: Scandinavian Journal of Work Environment & Health. - : Scandinavian Journal of Work, Environment and Health. - 0355-3140 .- 1795-990X. ; 40:2, s. 203-209
  • Journal article (peer-reviewed)abstract
    • Objective The aim of this study was to investigate the exposure response relationship of hand-arm vibration (HAY) exposure to neurological symptoms (numbness) of the hand in a cohort of vibration-exposed workers. Methods The baseline cohort comprised 241 office and manual workers with and without exposure to HAY. Numbness (the symptom or event) in the hand was assessed for all subjects at baseline and follow-ups after 5, 10, and 16 years. The workers were stratified into quartiles with no exposure in the first quartile and increasing intensity of exposure in quartiles 2-4 (groups 1-3). Data analysis was performed using survival analysis (time-to-event). Information on cumulative exposure and years of exposure to event was collected via questionnaires. Measurements were performed in accordance with the International Organization for Standardization (ISO) 5349-1. Results The hazard ratio (HR) of risk of event (numbness) differed statistically significantly between the non-exposed group (group 0) and the two higher exposure groups (groups 2 and 3). There was also a significant ratio difference between the lowest exposure group (group 1) and the two higher groups. The ratio for group 1 was 1.77 [95% confidence interval (95% CI) 0.96-3.26] compared with 3.78 (95% CI 2.15-6.62) and 5.31(95% CI 3.06-9.20) for groups 2 and 3, respectively. Conclusion The results suggest a dose response relationship between vibration exposure and numbness of the hands. This underlines the importance of keeping vibration levels low to prevent neurological injury to the hands.
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5.
  • Edlund, Maria, 1972, et al. (author)
  • Quantitatively measured tremor in hand-arm vibration-exposed workers
  • 2015
  • In: International Archives of Occupational and Environmental Health. - : Springer Science and Business Media LLC. - 0340-0131 .- 1432-1246. ; 88:3, s. 305-310
  • Journal article (peer-reviewed)abstract
    • The aim of the present study was to investigate the possible increase in hand tremor in relation to hand-arm vibration (HAV) exposure in a cohort of exposed and unexposed workers. Participants were 178 male workers with or without exposure to HAV. The study is cross-sectional regarding the outcome of tremor and has a longitudinal design with respect to exposure. The dose of HAV exposure was collected via questionnaires and measurements at several follow-ups. The CATSYS Tremor Pen(A (R)) was used for measuring postural tremor. Multiple linear regression methods were used to analyze associations between different tremor variables and HAV exposure, along with predictor variables with biological relevance. There were no statistically significant associations between the different tremor variables and cumulative HAV or current exposure. Age was a statistically significant predictor of variation in tremor outcomes for three of the four tremor variables, whereas nicotine use was a statistically significant predictor of either left or right hand or both hands for all four tremor variables. In the present study, there was no evidence of an exposure-response association between HAV exposure and measured postural tremor. Increase in age and nicotine use appeared to be the strongest predictors of tremor.
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6.
  • Försth, Peter, 1966- (author)
  • On Surgery for Lumbar Spinal Stenosis
  • 2015
  • Doctoral thesis (other academic/artistic)abstract
    • The incidence of lumbar spinal stenosis (LSS) is steadily rising, mostly because of a noticeably older age structure. In Sweden, LSS surgery has increased continuously over the years and is presently the most common argument to undergo spine surgery. The purpose of the surgery is to decompress the neural elements in the stenotic spinal canal. To avoid instability, there has been a tradition to do the decompression with a complementary fusion, especially if degenerative spondylolisthesis is present preoperatively.The overall aims of this thesis were to evaluate which method of surgery that generally can be considered to give sufficiently good clinical results with least cost to society and risk of complications and to determine whether there is a difference in outcome between smokers and non-smokers.The Swespine Register was used to collect data on clinical outcome after LSS surgery. In two of the studies, large cohorts were observed prospectively with follow-up after 2 years. Data were analysed in a multivariate model and logistic regression. In a randomised controlled trial (RCT, the Swedish Spinal Stenosis Study), 233 patients were randomised to either decompression with fusion or decompression alone and then followed for 2 years. The consequence of preoperative degenerative spondylolisthesis on the results was analysed and a health economic evaluation performed. The three-dimensional CT technique was used in a radiologic biomechanical pilot study to evaluate the stabilising role of the segmental midline structures in LSS with preoperative degenerative spondylolisthesis by comparing laminectomy with bilateral laminotomies.Smokers, in comparison with non-smokers, showed less improvement after surgery for LSS. Decompression with fusion did not lead to better results compared with decompression alone, no matter if degenerative spondylolisthesis was present preoperatively or not; nor was decompression with fusion found to be more cost-effective than decomression alone. The instability caused by a decompression proved to be minimal and removal of the midline structures by laminectomy did not result in increased instability compared with the preservation of these structures by bilateral laminotomies.In LSS surgery, decompression without fusion should generally be the treatment of choice, regardless of whether preoperative degenerative spondylolisthesis is present or not. Special efforts should be targeted towards smoking cessation prior to surgery.
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7.
  • Grimby-Ekman, Anna, et al. (author)
  • Different DHEA-S Levels and Response Patterns in Individuals with Chronic Neck Pain, Compared with a Pain Free Group-a Pilot Study.
  • 2017
  • In: Pain medicine (Malden, Mass.). - : Oxford University Press. - 1526-2375 .- 1526-4637. ; 18:5, s. 846-855
  • Journal article (peer-reviewed)abstract
    • OBJECTIVE: To test, in this pilot study, whether DHEA-S (Dehydroepiandrosterone, sulfated form) plasma levels are lower among persons with chronic neck pain, compared to control persons, and to investigate the DHEA-S response after a physical exercise.SUBJECTS: Included were 12 persons with chronic neck pain and eight controls without present pain, all 18 and 65 years of age. Exclusion criteria for both groups were articular diseases or tendinosis, fibromyalgia, systemic inflammatory and neuromuscular diseases, pain conditions due to trauma, or severe psychiatric diseases.DESIGN AND METHODS: The participants arm-cycled on an ergometer for 30 minutes. Blood samples were taken before, 60 minutes, and 150 minutes after this standardized physical exercise.RESULTS: The estimated plasma DHEA-S levels at baseline were 2.0 µmol/L (95% confidence interval [CI] 1.00; 4.01) in the pain group and 4.1 µmol/L (95% CI2.0; 8.6) in the control group, adjusted for sex, age, body mass index (BMI), and Shirom-Melamed Burnout Questionnaire (SMBQ), with a ratio of 0.48 (P = 0.094).The total DHEA-S (AUCG) in the pain group were 183 min*µmol/L lower than in the control group (P = 0.068). For the response to the exercise (AUCI), the difference between the pain group and the control group was 148 min*µmol/L (P = 0.011).CONCLUSIONS: In this pilot study, the plasma DHEA-S levels appeared to be lower among the persons with chronic neck pain, compared with the control group. It was indicated that DHEA-S decreased during the physical exercise in the control group, and either increased or was unaffected in the chronic pain group.
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8.
  • Grimby-Ekman, Anna, 1967, et al. (author)
  • Pain intensity and pressure pain thresholds after a light dynamic physical load in patients with chronic neck-shoulder pain
  • 2020
  • In: BMC Musculoskeletal Disorders. - : Springer Science and Business Media LLC. - 1471-2474. ; 21:1
  • Journal article (peer-reviewed)abstract
    • Background To investigate the development of pain intensity and pressure pain thresholds during and 24 h after a light dynamic physical load among patients with chronic neck-shoulder pain. Methods Twenty-six patients with chronic neck-shoulder pain and 12 healthy controls were included. The participants arm-cycled on an ergometer. Effort was rated with the Borg Rating of Perceived Exertion scale (RPE), and pain intensity with an numeric rating scale (NRS). Pressure pain thresholds were measured by an algometer. Participants started a pain diary 1 week before the physical exercise and continued until 1 week after. Pain intensity was assessed before, during and the following two evenings after arm-cycling. Pressure pain thresholds were assessed before, 15 min after, 105 min after and 24 h after. Results The chronic pain group showed increased pain intensity during, and the following two evenings after the arm cycling, and decreased pain thresholds immediately after the arm cycling involving painful regions. In the patient group there were no impact on pain thresholds in the neck the following day. Conclusions Patients with chronic neck-shoulder pain reported increased pain intensity during and in the evenings after a light dynamic load involving painful regions. In addition, they showed decreased pain thresholds close to the exercise, indicating mechanical hyperalgesia.
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9.
  • Gyllensten, Kristina, 1977, et al. (author)
  • Workplace factors that promote and hinder work ability and return to work among individuals with long-term effects of COVID-19: A qualitative study.
  • 2023
  • In: Work (Reading, Mass.). - 1051-9815 .- 1875-9270. ; 75:4, s. 1101-1112
  • Journal article (peer-reviewed)abstract
    • Long COVID is defined by the persistence of physical and/or psychological and cognitive symptoms debuting after SARS-CoV-2 infection. Individuals affected describe impairing and debilitating symptoms sometimes making it difficult to take part in work and social life. Long COVID is likely to have an impact on the work force.The aim of the study was to explore workplace factors that promote and hinder work ability and return to work among individuals with long-term effects of COVID-19.A qualitative design was used. Data were collected by semi-structured focus group interviews and analysed using inductive thematic analysis. To increase trustworthiness, several researchers were involved in the data collection and analysis. Five focus group interviews were conducted with individuals suffering from long-term effects from COVID-19 affecting their work ability. In total, 19 individuals participated in the study, and all were working at least 50 per cent at the time of recruitment.Five main themes emerged from the analysis: Communication and support, Possibilities to adjust work, Acceptance of new limitations, Increased need for recovery from work and Lack of knowledge and understanding of the effects of Covid.The results suggested that it is useful to facilitate communication, support and work adjustments for individuals suffering from Long COVID. It is also important to accept limitations and fluctuations in work ability and encourage recovery during and after work.
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10.
  • Kjellberg, Sanna, et al. (author)
  • Impaired function in the lung periphery following COVID-19 is associated with lingering breathing difficulties
  • 2024
  • In: PHYSIOLOGICAL REPORTS. - 2051-817X. ; 12:2
  • Journal article (peer-reviewed)abstract
    • Lingering breathing difficulties are common after COVID-19. However, the underlying causes remains unclear, with spirometry often being normal. We hypothesized that small airway dysfunction (SAD) can partly explain these symptoms. We examined 48 individuals (32 women, 4 hospitalized in the acute phase) who experienced dyspnea and/or cough in the acute phase and/or aftermath of COVID-19, and 22 non-COVID-19 controls. Time since acute infection was, median (range), 65 (10-131) weeks. We assessed SAD using multiple breath washout (MBW) and impulse oscillometry (IOS) and included spirometry and diffusing-capacity test (DLCO). One-minute-sit-to-stand test estimated physical function, and breathing difficulties were defined as answering "yes" to the question "do you experience lingering breathing difficulties?" Spirometry, DLCO, and IOS were normal in almost all cases (spirometry: 90%, DLCO: 98%, IOS: 88%), while MBW identified ventilation inhomogeneity in 50%. Breathing difficulties (n = 21) was associated with increased MBW-derived Sacin. However, physical function did not correlate with SAD. Among individuals with breathing difficulties, 25% had reduced physical function, 25% had SAD, 35% had both, and 15% had normal lung function and physical function. Despite spirometry and DLCO being normal in almost all post-COVID-19 individuals, SAD was present in a high proportion and was associated with lingering breathing difficulties.
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11.
  • Landberg, Niklas, et al. (author)
  • CD36 defines primitive chronic myeloid leukemia cells less responsive to imatinib but vulnerable to antibody-based therapeutic targeting
  • 2018
  • In: Haematologica. - : Ferrata Storti Foundation (Haematologica). - 0390-6078 .- 1592-8721. ; 103:3, s. 447-455
  • Journal article (peer-reviewed)abstract
    • Tyrosine kinase inhibitors (TKIs) are highly effective for the treatment of chronic myeloid leukemia (CML), but very few patients are cured. The major drawbacks regarding TKIs are their low efficacy in eradicating the leukemic stem cells responsible for disease maintenance and relapse upon drug cessation. Herein, we performed ribonucleic acid sequencing of flow-sorted primitive (CD34+CD38low) and progenitor (CD34+CD38+) chronic phase CML cells, and identified transcriptional upregulation of 32 cell surface molecules relative to corresponding normal bone marrow cells. Focusing on novel markers with increased expression on primitive CML cells, we confirmed upregulation of the scavenger receptor CD36 and the leptin receptor by flow cytometry. We also delineate a subpopulation of primitive CML cells expressing CD36 that is less sensitive to imatinib treatment. Using CD36 targeting antibodies, we show that the CD36 positive cells can be targeted and killed by antibody-dependent cellular cytotoxicity. In summary, CD36 defines a subpopulation of primitive CML cells with decreased imatinib sensitivity that can be effectively targeted and killed using an anti-CD36 antibody.
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13.
  • Nilsson, Linn, et al. (author)
  • Patient Characteristics Influence Activated Signal Transducer and Activator of Transcription 3 (STAT3) Levels in Primary Breast Cancer—Impact on Prognosis
  • 2020
  • In: Frontiers in Oncology. - : Frontiers Media SA. - 2234-943X. ; 10
  • Journal article (peer-reviewed)abstract
    • Background: Activated signal transducer and activator of transcription 3 (pSTAT3) is often present in breast cancer, but its prognostic impact is still unclear. We investigated how breast tumor-specific pSTAT3Y705 levels are associated with patient and tumor characteristics and risk of recurrence. Materials and Methods: Primary breast cancer patients without preoperative treatment were included preoperatively. The patients were treated in Lund, Sweden, in 2002–2012 and followed until 2016. Levels of pSTAT3Y705 were evaluated in 867 tumors using tissue microarrays with immunohistochemistry and categorized according to the H-score as negative (0–9; 24.2%), intermediate (10–150; 69.9%), and high (160–300; 5.9%). Results: Patients were followed for up to 13 years, and 137 recurrences (88 distant) were recorded. Higher pSTAT3Y705 levels were associated with patient characteristics including younger age, any alcohol consumption, higher age at first child birth, and smaller body size, as well as tumor characteristics including smaller tumor size, lower histological grade, lymph node negativity, progesterone receptor positivity, and HER2 negativity (all Ptrends ≤ 0.04). Higher pSTAT3Y705 levels were associated with lower risk of early recurrences (LogRank Ptrend = 0.10; 5-year LogRank Ptrend = 0.004) and distant metastases (LogRank Ptrend = 0.045; 5-year LogRank Ptrend = 0.0007), but this was not significant in the multivariable models. There was significant effect modification between tamoxifen treatment and pSTAT3Y705 negativity on the recurrence risk in chemonaïve patients with estrogen receptor positive tumors [adjusted hazard ratio (HR) 0.38; Pinteraction = 0.046]. Conclusion: Higher pSTAT3Y705 levels were associated with several patient and tumor characteristics that are mainly associated with good prognosis and a tendency toward lower risk for early recurrences. In the future, these results may help guide the selection of patients for trials with drugs targeting the STAT3 pathway.
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14.
  • Noor Baloch, Adnan, et al. (author)
  • Disability pension among gynaecological cancer survivors with or without radiation-induced survivorship syndromes
  • 2022
  • In: Journal of Cancer Survivorship. - : Springer Science and Business Media LLC. - 1932-2259 .- 1932-2267. ; 16, s. 834-843
  • Journal article (peer-reviewed)abstract
    • Purpose: Gynaecological cancer patients treated with external radiation therapy to the pelvis may face long-lasting and long-term gastrointestinal syndromes. The aim of this study was to assess the association between such radiation-induced survivorship syndromes and disability pension among gynaecological cancer survivors treated with pelvic radiation therapy. Methods: This prospective register study included gynaecological cancer survivors (n=247) treated during 1991–2003, alive at the time of the study, and <65 years of age. In 2006, they completed a postal questionnaire measuring patient-reported outcomes. The self-reported data were linked to the national register on disability pensions. Relative risks and risk differences with 95% confidence intervals (CIs) of being granted a disability pension were estimated using log-binomial regression. Results: Gynaecological cancer survivors with gastrointestinal syndromes had a higher risk of disability pension than survivors without such syndromes. Survivors with blood discharge syndrome had a 2.0 (95% CI 1.3–3.2) times higher risk of disability pension than survivors without blood discharge syndrome. The relative risk among survivors with urgency syndrome was 1.9 (1.3–2.9) and for leakage syndrome, 2.1 (1.4–3.1). Adjusting for age did not affect our interpretation of the results. Conclusions: Gynaecological cancer survivors with a specific radiation-induced survivorship syndrome have a higher risk of disability pension than survivors without that specific syndrome. Implications for Cancer Survivors: The findings highlight the need for more awareness and knowledge regarding the potential role of radiation-induced survivorship syndromes for continuing work among gynaecological cancer survivors. Work-life-related parameters should be considered during radiotherapy and rehabilitation after treatment.
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15.
  • Noor Baloch, Adnan, et al. (author)
  • The physical and psychological aspects of quality of life mediates the effect of radiation-induced urgency syndrome on disability pension in gynecological cancer survivors.
  • 2023
  • In: Cancer medicine. - 2045-7634. ; 12:16, s. 17377-17388
  • Journal article (peer-reviewed)abstract
    • Radiation-induced fecal urgency syndrome is highly prevalent in gynecological cancer survivors. It is associated with decreased quality of life (QoL) and with disability pension. The literature remains unclear about the mediating role of physical and psychological aspects of QoL in the association between urgency syndrome and disability pension. Identifying the pathways between urgency syndrome and disability pension may help to create effective and timely interventions for increasing QoL and reducing disability pension among gynecological cancer survivors. We used patient-reported outcome measures from working-age gynecological cancer survivors (n=247) and data on their disability pension from the official register. The mediating role of physical and psychological aspects of QoL was studied by utilizing mediation analysis based on the counterfactual framework, appropriate for binary outcome, binary mediator with an exposure-mediator interaction. The total effect (TE) was divided into direct and indirect effects using single mediation analysis. Adjusted relative risks and percentage mediated (95% confidence intervals) were calculated. All statistical tests were two-sided. Urgency syndrome increased the risk of disability pension both directly and indirectly (via QoL). Satisfaction with sleep mediated half of the TE (RR=2.2 (1.1-4.1)) of urgency syndrome on disability pension. Physical health also mediated a similar proportion of the TE (RR=2.1 (1.2-3.9)). The proportions mediated were higher for physical aspects of QoL (35%-71%) than for psychological aspects (2%-47%). The investigated aspects of the self-assessed QoL of gynecological cancer survivors may play a role in these women's continuing work-life. It appears that physical health, satisfaction with sleep, psychological well-being, and other investigated aspects of QoL mediate the urgency syndrome-disability pension association.
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16.
  • Oliv, Stefan, et al. (author)
  • Important work demands for reducing sickness absence among workers with neck or upper back pain: a prospective cohort study
  • 2019
  • In: BMC Musculoskeletal Disorders. - : Springer Science and Business Media LLC. - 1471-2474. ; 20:1
  • Journal article (peer-reviewed)abstract
    • Background The aim of this study was to investigate what exposure to work demands, physical and psychosocial, is associated with lower levels of sickness absence among workers with neck or upper back pain in different groups, by age, gender, duration of sickness absence and work ability score. Methods This study was a prospective study of 4567 workers with neck or upper back pain. Data on neck or upper back pain, work demand and work ability were obtained from the Swedish Work Environment survey over a 3-year period (2009-2013). Register data on sickness absence, 1 year after each survey was conducted, were obtained from the Swedish health insurance database. Analyses were performed to estimate the association between self-reported work demands and registered sick days > 14 days. The analyses were stratified for gender, age group and work ability score. Results Lower numbers of sick days were found for workers reporting low exposure to lifting >= 15 kg and twisted or forward-leaning work postures. Lower numbers of sick days were found for workers reporting high work control and seated work. The associations were generally stronger in the older age groups for the physical work demands. Conclusions The findings in this study suggest that certain physical work demands and having high control over one's work can result in lower sickness absence, especially among middle-aged and older workers with neck or upper back pain.
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17.
  • Oliv, Stefan, et al. (author)
  • The Quick Exposure Check (QEC) - Inter-rater reliability in total score and individual items
  • 2019
  • In: Applied Ergonomics. - : Elsevier BV. - 0003-6870. ; 76, s. 32-37
  • Journal article (peer-reviewed)abstract
    • The development of musculoskeletal disorders has been linked to various risk factors in the work environment including lifting heavy loads, machine and materials handling, work postures, repetitive work, work with handheld vibrating tools, and work stress. The Quick Exposure Check (QEC) was designed to assess exposure to work-related musculoskeletal risk factors affecting the back, shoulder/arm, wrist/hand, and neck. We investigated the inter-rater reliability of the summary scores and individual items of the QEC by comparing two simultaneous assessments of 51 work tasks, performed by 14 different workers. The work tasks were mainly "light" to "moderately heavy". For total scores, the level of disagreement for shoulder/arm had a Relative Position of 0.13 (95% CI: 0.02; 0.23) and no statistically significant random disagreement. Percentage agreement was 63-100% for individual items and 71-88% for total score. Weighted Kappa of agreement for the individual items rated by the assessors were 0.94-0.77; highest for back motion, and lowest for wrist/hand position. The Swedish translation of the Quick Exposure Check has moderate to very good inter-rater reliability with fair to slight levels of systematic disagreement. There was no statistically significant random disagreement.
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18.
  • Oliv, Stefan, et al. (author)
  • Workplace Interventions can Reduce Sickness Absence for Persons With Work-Related Neck and Upper Extremity Disorders: A One-Year Prospective Cohort Study
  • 2019
  • In: Journal of occupational and environmental medicine. - 1536-5948. ; 61:7, s. 559-564
  • Journal article (peer-reviewed)abstract
    • OBJECTIVE: The objective of this study was to investigate whether workplace interventions are effective in reducing sickness absence in persons with work-related neck and upper extremity disorders and whether disorder improvement after intervention reduces sickness absence. METHODS: This study was a prospective cohort study of workers with work-related neck pain or upper extremity disorders. Data were obtained from the Swedish "Work-related disorders" and "Work environment" surveys. Register data on sickness-absence 1 year after the surveys were made and obtained from the Swedish health insurance database. RESULTS: A significant lower number of sickness-absence days were found for workers reporting improvement after intervention. CONCLUSION: The findings in this study suggest that workplace intervention can reduce sickness absence for workers with neck or upper extremity disorders only if the intervention improves the disorder. The interventions were most effective in reducing medium long sickness absence periods.
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19.
  • Sandén, Carl, et al. (author)
  • Clonal competition within complex evolutionary hierarchies shapes AML over time
  • 2020
  • In: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 11:1
  • Journal article (peer-reviewed)abstract
    • Clonal heterogeneity and evolution has major implications for disease progression and relapse in acute myeloid leukemia (AML). To model clonal dynamics in vivo, we serially transplanted 23 AML cases to immunodeficient mice and followed clonal composition for up to 15 months by whole-exome sequencing of 84 xenografts across two generations. We demonstrate vast changes in clonality that both progress and reverse over time, and define five patterns of clonal dynamics: Monoclonal, Stable, Loss, Expansion and Burst. We also show that subclonal expansion in vivo correlates with a more adverse prognosis. Furthermore, clonal expansion enabled detection of very rare clones with AML driver mutations that were undetectable by sequencing at diagnosis, demonstrating that the vast majority of AML cases harbor multiple clones already at diagnosis. Finally, the rise and fall of related clones enabled deconstruction of the complex evolutionary hierarchies of the clones that compete to shape AML over time.
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21.
  • Sandén, Emma, et al. (author)
  • Aberrant immunostaining pattern of the CD24 glycoprotein in clinical samples and experimental models of pediatric medulloblastomas
  • 2015
  • In: Journal of Neuro-Oncology. - : Springer Science and Business Media LLC. - 0167-594X .- 1573-7373. ; 123:1, s. 1-13
  • Journal article (peer-reviewed)abstract
    • The CD24 glycoprotein is a mediator of neuronal proliferation, differentiation and immune suppression in the normal CNS, and a proposed cancer biomarker in multiple peripheral tumor types. We performed a comparative analysis of CD24 gene expression in a large cohort of pediatric and adult brain tumors (n = 813), and further characterized protein expression in tissue sections (n = 39), primary brain tumor cultures (n = 12) and a novel orthotopic group 3 medulloblastoma xenograft model. Increased CD24 gene expression was demonstrated in ependymomas, medulloblastomas, anaplastic astrocytomas and glioblastomas, although medulloblastomas displayed higher expression than all other tumor entities. Preferential expression of CD24 in medulloblastomas was confirmed at protein level by immunostaining and computerized image analysis of cryosections. Morphologies and immunophenotyping of CD24(+) cells in tissue sections tentatively suggested disparate functions in different tumor subsets. Notably, protein staining of medulloblastoma cells was associated with prominent cytoplasmic and membranous granules, enabling rapid and robust identification of medulloblastoma cells in clinical tissue samples, as well as in experimental model systems. In conclusion, our results implicate CD24 as a clinically and experimentally useful medulloblastoma immunomarker. Although our results encourage further functional studies of CD24 as a potential molecular target in subsets of brain tumors, the promiscuous expression of CD24 in vivo highlights the importance of specificity in the future design of such targeted treatment.
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22.
  • Sandén, Emma, et al. (author)
  • Preoperative systemic levels of VEGFA, IL-7, IL-17A, and TNF-beta delineate two distinct groups of children with brain tumors
  • 2016
  • In: Pediatr Blood Cancer. - : Wiley. - 1545-5009 .- 1545-5017. ; 63:12, s. 2112-2122
  • Journal article (peer-reviewed)abstract
    • BackgroundPrimary brain tumors are the most common solid tumors in children. Increasing evidence demonstrates diverse intratumoral immune signatures, which are tentatively reflected in peripheral blood. ProcedureTwenty cytokines were analyzed in preoperative plasma samples from five healthy children and 45 children with brain tumors, using a multiplex platform (MesoScale Discovery V-PLEX (R)). Tumor types included medulloblastoma (MB), ependymoma, sarcoma, high-grade glioma, pilocytic astrocytoma, and other low-grade gliomas. ResultsA panel of four cytokines [VEGFA, interleukin (IL)-7, IL-17A, and tumor necrosis factor (TNF)-] delineated two distinct patient groups, identified as VEGFA(high)IL-7(high)IL-17A(low)TNF-(low) (Group A) and VEGFA(low)IL-7(low)IL-17A(high)TNF-(high) (Group B). Healthy controls and the vast majority of patients with MB were found within Group A, whereas patients with other tumor types were equally distributed between the two groups. Unrelated to A/B affiliation, we detected trends toward increased IL-10 and decreased IL-12/23 and TNF- in several tumor types. Finally, a small number of patients displayed evidence of enhanced systemic immune activation, including elevated levels of interferon-, granulocyte monocyte colony-stimulating factor, IL-6, IL-12/23, and TNF-. Following tumor resection, cytokine levels in a MB patient approached the levels of healthy controls. ConclusionsWe identify common features and individual differences in the systemic immune profiles of children with brain tumors. Overall, patients with MB displayed a uniform cytokine profile, whereas other tumor diagnoses did not predict systemic immunological status in single patients. Future characterization and monitoring of systemic immune responses in children with brain tumors will have important implications for the development and implementation of immunotherapy.
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23.
  • Sandén, Emma, et al. (author)
  • Re-evaluation of HER2 status in 606 breast cancers—gene protein assay on tissue microarrays versus routine pathological assessment
  • 2020
  • In: Virchows Archiv. - : Springer Science and Business Media LLC. - 0945-6317 .- 1432-2307. ; 477:2, s. 317-320
  • Journal article (peer-reviewed)abstract
    • Human epidermal growth factor receptor 2 (HER2) status in breast cancer is routinely determined through immunohistochemistry (IHC) and/or in situ hybridisation (ISH) performed on whole tissue sections (WS). The purpose was to evaluate whether a gene protein assay (GPA) combining IHC with ISH, performed on breast cancer tissue microarray (TMA), is suitable for large-scale retrospective HER2 status evaluation. TMAs from 606 tumours from a Swedish population-based cohort (2005–2012) were stained with GPA. GPA IHC on TMA yielded weaker staining than IHC on WS during routine pathological assessment (86.0% agreement). However, final HER2 status agreement between GPA on TMA and WS based on both IHC and ISH was 97.7%. Only 14 tumours were discordant and one tumour with IHC score 1+ on both TMA and WS was HER2 amplified on TMA. In conclusion, GPA on TMA is suitable for large-scale retrospective evaluation of HER2 status.
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24.
  • Sandén, Helena, et al. (author)
  • Bicycle ergometer test to obtain adequate skin temperature when measuring nerve conduction velocity.
  • 2005
  • In: Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology. - : Elsevier BV. - 1388-2457. ; 116:1, s. 25-7
  • Journal article (peer-reviewed)abstract
    • OBJECTIVE: To achieve optimal diagnostic accuracy, measurements of nerve conduction velocity require standardised tissue temperatures. To warm an extremity to a desired temperature that remains constant during the measurement may be difficult, especially in subjects with low finger temperatures. The aim of this study was to investigate if a submaximal bicycle ergometer test before the examination would be a useful method of obtaining high and stable finger temperatures during nerve conduction studies in the hand. METHODS: 114 women aged 25-65 (median 44) performed a bicycle ergometer test on an electrically braked bicycle ergometer (Siemens-Elema) before they underwent a nerve conduction test. RESULTS: Before cycling, the mean finger temperature was 28.1 degrees C (range 20.5-35.4 degrees C) and 15 min after the test 35.1 degrees C (range 30.3-36.9 degrees C). The levels remained almost constant throughout the nerve conduction examination, which had a duration of approximately 25 min. CONCLUSIONS: A bicycle ergometer test proved to be a simple and effective method of raising hand temperature.
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25.
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26.
  • Sandén, Helena (author)
  • Nerve conduction and vibrotactile perception thresholds in female computer workers and hand-arm vibration-exposed male manual workers
  • 2010
  • Doctoral thesis (other academic/artistic)abstract
    • Upper limb pain and disability are common problems, especially among working populations. The overall aim of this thesis was to investigate peripheral nerve function in the upper limb by nerve conduction test and vibration threshold test in working populations including female computer users (n = 82), hand-arm vibration-exposed male manual workers (n = 116), and female workers with chronic diffuse upper limb pain (n = 35). The studies have a cross-sectional design regarding peripheral nerve function measurements. Exposure assessments regarding computer work were made using questionnaires, and the cumulative hand-arm vibration dose in manual workers was calculated as the product of self-reported occupational exposure, as collected by questionnaire and interviews, and the measured or estimated hand-arm vibration exposure in 1987, 1992, 1997, 2002, and 2008. In contrast to nerve conduction measurements, the vibration threshold test is a psychophysical test. To investigate whether mood influences the measurements, perceived stress and energy were assessed using a two-dimensional mood adjective checklist, before the vibration threshold test. Adequate control of tissue temperature is a crucial factor in nerve conduction studies, and a bicycle ergometer test proved to be a simple and effective method of raising hand temperature. Nerve conduction measurements revealed no signs of early neural deficits of large myelinated nerve fibres measured in the upper limbs of either women who intensively use computer keyboard equipment or hand-arm vibration-exposed male manual workers, or female workers with chronic diffuse upper limb pain. In the present studies, the majority of the subjects did not have severe neurological symptoms and most subjects had not been referred to a clinic. Vibration threshold test revealed no signs of early nerve affliction in the upper limbs in women who intensively used computer keyboard equipment. Women with chronic pain had a small elevation of vibrotactile perception thresholds in the territories of the ulnar and radial nerves. Perceived stress and energy before the vibration threshold testing did not influence the thresholds. Although a peripheral mechanism cannot be excluded, the findings support the idea that increased vibration perception thresholds in chronic diffuse upper limb pain may be secondary to pain.
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27.
  • Sandén, Helena, et al. (author)
  • Nerve conduction in relation to vibration exposure - a non-positive cohort study.
  • 2010
  • In: Journal of occupational medicine and toxicology. - : Springer Science and Business Media LLC. - 1745-6673. ; 5
  • Journal article (peer-reviewed)abstract
    • ABSTRACT:Background Peripheral neuropathy is one of the principal clinical disorders in workers with hand-arm vibration syndrome. Electrophysiological studies aimed at defining the nature of the injury have provided conflicting results. One reason for this lack of consistency might be the sparsity of published longitudinal etiological studies with both good assessment of exposure and a well-defined measure of disease. Against this background we measured conduction velocities in the hand after having assessed vibration exposure over 21 years in a cohort of manual workers. Methods The study group consisted of 155 male office and manual workers at an engineering plant that manufactured pulp and paper machinery. The study has a longitudinal design regarding exposure assessment and a cross-sectional design regarding the outcome of nerve conduction. Hand-arm vibration dose was calculated as the product of self-reported occupational exposure, collected by questionnaire and interviews, and the measured or estimated hand-arm vibration exposure in 1987, 1992, 1997, 2002, and 2008. Distal motor latencies in median and ulnar nerves and sensory nerve conduction over the carpal tunnel and the finger-palm segments in the median nerve were measured in 2008. Before the nerve conduction measurement, the subjects were systemically warmed by a bicycle ergometer test. Results There were no differences in distal latencies between subjects exposed to hand-arm vibration and unexposed subjects, neither in the sensory conduction latencies of the median nerve, nor in the motor conduction latencies of the median and ulnar nerves. Seven subjects (9%) in the exposed group and three subjects (12%) in the unexposed group had both pathological sensory nerve conduction at the wrist and symptoms suggestive of carpal tunnel syndrome. Conclusion Nerve conduction measurements of peripheral hand nerves revealed no exposure-response association between hand-arm vibration exposure and distal neuropathy of the large myelinated fibers in a cohort of male office and manual workers.
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28.
  • Sandén, Helena, et al. (author)
  • Normal nerve conduction velocity and vibrotactile perception thresholds in computer users.
  • 2005
  • In: International archives of occupational and environmental health. - : Springer Science and Business Media LLC. - 0340-0131 .- 1432-1246. ; 78:3, s. 239-42
  • Journal article (peer-reviewed)abstract
    • OBJECTIVES: A literature report described significantly raised vibration threshold within the territory of the median nerve in a group of office workers and concluded that the results indicated a change in the function of large sensory fibres. The aim of the present cross-sectional study was to compare vibrotactile perception thresholds and nerve conduction measurements in the upper extremity between female computer users (secretaries) and female non-users (nurses). METHODS: Eighty-two secretaries, aged 25-65 (median 44) years and 35 nurses, aged 24-57 (median 46) years went through nerve conduction measurements on the dominant hand and also a vibration threshold test with readings over the hand at five sites which tested cutaneous innervation of the median, ulnar, and radial nerves. RESULTS: There was no significant difference in any parameter of the nerve conduction testing and there was no significant difference in any parameter of the vibration threshold test between secretaries and nurses. The numerical differences between groups were small and in both directions and thus do not indicate a power problem. CONCLUSIONS: We saw no signs of early neural deficits of large sensory fibres in subjects who intensively use computer keyboard equipment.
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29.
  • Tryggvadottir, Helga, et al. (author)
  • The Prognostic Impact of Intratumoral Aryl Hydrocarbon Receptor in Primary Breast Cancer Depends on the Type of Endocrine Therapy : A Population-Based Cohort Study
  • 2021
  • In: Frontiers in Oncology. - : Frontiers Media SA. - 2234-943X. ; 11
  • Journal article (peer-reviewed)abstract
    • The aryl hydrocarbon receptor (AhR) is a master regulator of multiple pathways involved in breast cancer, and influences the estrogen receptor alpha (ER) and aromatase/CYP19A1. The purpose of this study was to elucidate the interplay between intratumoral levels of AhR and aromatase, patient characteristics (including AhR and CYP19A1 genotypes), clinicopathological features, and prognosis in breast cancer patients receiving adjuvant treatments. A prospective cohort of 1116 patients with primary breast cancer in Sweden, included 2002–2012, was followed until June 30th 2019 (median 8.7 years). Tumor‐specific AhR (n=920) and aromatase levels (n=816) were evaluated on tissue microarrays using immunohistochemistry. Associations between cytoplasmatic (AhRcyt) and nuclear (AhRnuc) AhR levels, intratumoral aromatase, clinicopathological features, and prognosis in different treatment groups were analyzed. Low AhRcyt levels (n=183) and positive intratumoral aromatase (n=69) were associated with estrogen receptor (ER)– status and more aggressive tumors. Genotypes were not associated with their respective protein levels. The functional AhRArg554Lys GG genotype was associated with recurrence-free survival in switch-therapy (sequential tamoxifen/aromatase inhibitors (AI) or AI/tamoxifen) treated patients (HRadj 0.42; 95% CI 0.22–0.83). High AhRcyt levels were associated with longer recurrence-free survival during the first 10 years of follow-up among tamoxifen-only treated patients (HRadj 0.40; 95% CI 0.23–0.71) compared to low AhRcyt levels, whereas an almost inverse association was seen in patients with switch-therapy (Pinteraction=0.023). Intratumoral aromatase had little prognostic impact. These findings warrant confirmation in an independent cohort, preferably in a randomized clinical trial comparing different endocrine regimens. They might also guide the selection of breast cancer patients for clinical trials with selective AhR modulators.
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30.
  • Ullmark, Tove, et al. (author)
  • Distinct global binding patterns of the Wilms' tumor gene 1 (WT1) -KTS and +KTS isoforms in leukemic cells
  • 2017
  • In: Haematologica. - : Ferrata Storti Foundation (Haematologica). - 1592-8721 .- 0390-6078. ; 102:2, s. 336-345
  • Journal article (peer-reviewed)abstract
    • The zinc finger transcription factor Wilms' tumor gene 1 (WT1) acts as an oncogene in acute myeloid leukemia. A naturally occurring alternative splice event between zinc fingers three and four, removing or retaining three amino acids (+/-KTS), is believed to change the DNA binding affinity of WT1, although there are conflicting data regarding the binding affinity and motifs of the different isoforms. Increased expression of WT1 -KTS at the expense of WT1 +KTS isoform associates with poor prognosis in acute myeloid leukemia. We determined the genome-wide binding pattern of WT1 -KTS and WT1 +KTS in leukemic K562 cells by chromatin immunoprecipitation and deep sequencing (ChIP-seq). Motif discovery revealed distinct binding motifs for the isoforms, some of which have been previously reported as WT1 binding sites. We discovered that the WT1 -KTS isoform predominantly binds close to transcription start sites and to enhancers, in a similar fashion to other transcription factors, whereas WT1 +KTS binding is rather enriched within gene bodies. We observed a significant overlap between WT1 -KTS and WT1 +KTS target genes, despite the binding sites being distinct. Motif discovery revealed distinct binding motifs for the isoforms, some of which have been previously reported as WT1 binding sites. Additional analyses showed that both WT1 -KTS and WT1 +KTS target genes are more likely to be transcribed than non-targets, and are involved in cell proliferation, cell death, and development. Our study provides evidence that WT1 -KTS and WT1 +KTS share target genes yet still bind distinct locations, indicating isoform-specific regulation in transcription of genes related to cell proliferation and differentiation, consistent with involvement of WT1 in acute myeloid leukemia.
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31.
  • Ullmark, Tove, et al. (author)
  • Global binding pattern of the Wilms' tumor gene 1 (WT1) +17AA -KTS isoform in leukemic cells
  • 2016
  • In: Cancer Research. - 1538-7445. ; 76:14 Suppl.
  • Conference paper (peer-reviewed)abstract
    • The aim of this study was to investigate the global DNA-binding pattern of Wilms' tumor gene 1 (WT1) in leukemic cells. Clinical and preclinical data indicate the zinc finger transcription factor WT1 as an oncogene, but the full target gene repertoire of WT1 in leukemic cells has not been previously characterized. The -KTS isoforms (excluding the three amino acid (KTS) insert between zinc finger three and four) are considered as the most efficient DNA-binders. Among these, the 17AA isoform (including 17 amino acids encoded by exon 5) is the most abundant one. To specifically analyze the DNA-binding of WT1(+17AA/-KTS) in leukemic cells, we generated a K562 clone that stably expressed BIO-tagged WT1(+17AA/-KTS), as well as the biotinylating enzyme Bir A. From the cells chromatin immunoprecipitation (ChIP) by streptavidin capture was performed followed by sequencing with a minimum of 50 million reads per sample. After alignment to the genome and peak calling, peaks were characterized and compared to available K562 tracks in the ENCODE database. We found that 45% of identified WT1(+17AA/-KTS) peaks are in the proximity of transcription start sites (promoter area, first exon or first intron) of target genes, whereas only 11% of randomized peaks were found here. Within the peaks we show strong enrichment for three different previously published WT1-binding motifs. Comparison to ENCODE tracks showed that WT1(+17AA/-KTS) peaks are in close proximity to binding sites of other transcription factors, to histone marks for actively transcribed genes, and to binding sites of chromatin modifiers. Considering peaks within promoters and gene bodies only (for safe assignment to a target gene), Gene Ontology (GO) analysis revealed enrichment of GO groups important for proliferation, cell death, embryonic development, and cell motility. In conclusion, WT1(+17AA/-KTS) binds close to transcription start sites in areas of active transcription. The target genes implicated in proliferation, cell death, cell signaling and motility adds to the growing evidence of WT1 as an effector gene in leukemia.
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32.
  • von Palffy, Sofia, et al. (author)
  • The complement receptor C3AR constitutes a novel therapeutic target in NPM1-mutated AML
  • 2023
  • In: Blood Advances. - : American Society of Hematology. - 2473-9529 .- 2473-9537. ; 7:7, s. 1204-1218
  • Journal article (peer-reviewed)abstract
    • Mutated Nucleophosmin 1 (NPM1) is the most common genetic alteration in acute myeloid leukemia (AML), found in approximately 30% of cases. Although mutations in this gene are considered favorable according to current risk stratification guidelines, a large fraction of patients will suffer from relapse, demonstrating the urgent need for new treatment options. Therefore, we aimed to identify cell surface proteins specifically expressed on NPM1)-mutated AML cells, allowing for potential targeting with antibody-based therapies. Herein, we performed an arrayed flow cytometry-based screen directed to 362 cell surface markers. Comparing the cell surface expression on NPM1-mutated AML cells to primitive (CD34+ CD38-) normal bone marrow cells, we identified the complement receptor C3AR as specifically expressed in NPM1-mutated AML. By flow cytometry and single cell RNA-sequencing, we further show that normal hematopoietic stem and progenitor cells lack detectable C3AR gene and protein expression, making it particularly suitable as a target for antibody therapy. We also demonstrate that C3AR in combination with GPR56 distinguishes the leukemic stem cells (LSCs) in NPM1-mutated AML from the normal hematopoietic stem cells, defining the LSC population, as shown by transplantation into immunodeficient mice. Mechanistically, stimulation of C3AR-expressing cells with C3a, the ligand of C3AR, leads to activation of ERK1/2 and increased survival of AML cells, suggesting that this is an important signaling axis in this subtype of AML. Finally, we show that antibodies directed against C3AR efficiently elicit NK cell-mediated killing of primary AML cells ex vivo, highlighting C3AR as a candidate therapeutic target in NPM1-mutated AML.
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33.
  • Ågerstam, Helena, et al. (author)
  • Antibodies targeting human IL1RAP (IL1R3) show therapeutic effects in xenograft models of acute myeloid leukemia.
  • 2015
  • In: Proceedings of the National Academy of Sciences. - : Proceedings of the National Academy of Sciences. - 1091-6490 .- 0027-8424. ; 112:34, s. 10786-10791
  • Journal article (peer-reviewed)abstract
    • Acute myeloid leukemia (AML) is associated with a poor survival rate, and there is an urgent need for novel and more efficient therapies, ideally targeting AML stem cells that are essential for maintaining the disease. The interleukin 1 receptor accessory protein (IL1RAP; IL1R3) is expressed on candidate leukemic stem cells in the majority of AML patients, but not on normal hematopoietic stem cells. We show here that monoclonal antibodies targeting IL1RAP have strong antileukemic effects in xenograft models of human AML. We demonstrate that effector-cell-mediated killing is essential for the observed therapeutic effects and that natural killer cells constitute a critical human effector cell type. Because IL-1 signaling is important for the growth of AML cells, we generated an IL1RAP-targeting antibody capable of blocking IL-1 signaling and show that this antibody suppresses the proliferation of primary human AML cells. Hence, IL1RAP can be efficiently targeted with an anti-IL1RAP antibody capable of both achieving antibody-dependent cellular cytotoxicity and blocking of IL-1 signaling as modes of action. Collectively, these results provide important evidence in support of IL1RAP as a target for antibody-based treatment of AML.
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34.
  • Ågerstam, Helena, et al. (author)
  • IL1RAP antibodies block IL-1-induced expansion of candidate CML stem cells and mediate cell killing in xenograft models.
  • 2016
  • In: Blood. - : American Society of Hematology. - 1528-0020 .- 0006-4971. ; 128:23, s. 2683-2693
  • Journal article (peer-reviewed)abstract
    • Chronic myeloid leukemia (CML) is currently treated with tyrosine kinase inhibitors, but these do not effectively eliminate the CML stem cells. As a consequence, CML stem cells persist and cause relapse in most patients upon drug discontinuation. Furthermore, no effective therapy exists for the advanced stages of the disease. Interleukin-1 receptor accessory protein (IL1RAP; IL1R3) is a coreceptor of interleukin-1 receptor type 1 and has been found upregulated on CML stem cells. Here, we show that primitive (CD34(+)CD38(-)) CML cells, in contrast to corresponding normal cells, express a functional interleukin-1 (IL-1) receptor complex and respond with NF-κB activation and marked proliferation in response to IL-1. IL1RAP antibodies that inhibit IL-1 signaling could block these effects. In vivo administration of IL1RAP antibodies in mice transplanted with chronic and blast phase CML cells resulted in therapeutic effects mediated by murine effector cells. These results provide novel insights into the role of IL1RAP in CML and a strong rationale for the development of an IL1RAP antibody therapy to target residual CML stem cells.
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35.
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