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- Anantharaman, Devasena, et al.
(författare)
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Combined effects of smoking and HPV16 in oropharyngeal cancer
- 2016
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Ingår i: International Journal of Epidemiology. - : Oxford University Press (OUP). - 0300-5771 .- 1464-3685. ; 45:3, s. 752-761
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Tidskriftsartikel (refereegranskat)abstract
- Background: Although smoking and HPV infection are recognized as important risk factors for oropharyngeal cancer, how their joint exposure impacts on oropharyngeal cancer risk is unclear. Specifically, whether smoking confers any additional risk to HPV-positive oropharyngeal cancer is not understood.Methods: Using HPV serology as a marker of HPV-related cancer, we examined the interaction between smoking and HPV16 in 459 oropharyngeal (and 1445 oral cavity and laryngeal) cancer patients and 3024 control participants from two large European multicentre studies. Odds ratios and credible intervals [CrI], adjusted for potential confounders, were estimated using Bayesian logistic regression.Results: Both smoking [odds ratio (OR [CrI]: 6.82 [4.52, 10.29]) and HPV seropositivity (OR [CrI]: 235.69 [99.95, 555.74]) were independently associated with oropharyngeal cancer. The joint association of smoking and HPV seropositivity was consistent with that expected on the additive scale (synergy index [CrI]: 1.32 [0.51, 3.45]), suggesting they act as independent risk factors for oropharyngeal cancer.Conclusions: Smoking was consistently associated with increase in oropharyngeal cancer risk in models stratified by HPV16 seropositivity. In addition, we report that the prevalence of oropharyngeal cancer increases with smoking for both HPV16-positive and HPV16-negative persons. The impact of smoking on HPV16-positive oropharyngeal cancer highlights the continued need for smoking cessation programmes for primary prevention of head and neck cancer.
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- Bućin, Dragan, et al.
(författare)
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Desensitization and Heart Transplantation of a Patient With High Levels of Donor-Reactive Anti-Human Leukocyte Antigen Antibodies.
- 2010
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Ingår i: Transplantation. - 1534-6080. ; 90, s. 1220-1225
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND.: To prepare a highly immunized recipient for heart transplantation, reduction of high levels of cytotoxic antibodies against human leukocyte antigen (HLA) was deemed essential to prevent antibody-mediated graft failure. METHODS.: Antibodies were analyzed by lymphocytotoxic and solid-phase assays. The pretransplant desensitization treatment protocol included daily tacrolimus and mycophenolate mofetil, weekly protein-A immunoadsorption (IA), intravenous immunoglobulin, and daclizumab. Posttransplant treatment consisted of tacrolimus, mycophenolate mofetil, prednisolone, IA, and daclizumab. RESULTS.: During pretransplant desensitization, each of the weekly immunoadsorption treatments reduced anti-HLA antibody levels by 50% to 70%, but they returned to the pretreatment level within 1 week as measured by flow cytometry. Cytotoxic antibodies remained reduced. After perioperative immunoadsorption, the donor-reactive antibodies (DRAs) were reduced to low levels. The patient underwent successful heart transplantation after 6 weeks on a waiting list. During the first week posttransplant, DRAs remained low. However, after the first week, anti-HLA DRAs reappeared and increased slightly over a 3-week period and then decreased slowly. Cytotoxic crossmatches were negative before and 3 week after transplantation. No clinical rejection was encountered. The patient was doing well 3 years after transplantation, and yearly clinical cardiac investigations were all normal. Three hyperimmunized patients have now undergone successful heart transplantation at our center using this desensitization protocol. CONCLUSIONS.: IA in combination with pretransplant immunosuppressive drug treatment temporarily reduces antibody levels. The therapeutic levels of drug treatment at the time of transplantation may be of crucial importance. The treatment protocol resulted in freedom from rejection and other clinical adverse events.
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- Campa, Daniele, et al.
(författare)
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Genetic variation in genes of the fatty acid synthesis pathway and breast cancer risk.
- 2009
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Ingår i: Breast Cancer Research and Treatment. - : Springer Science and Business Media LLC. - 0167-6806 .- 1573-7217. ; 118:3, s. 565-574
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Tidskriftsartikel (refereegranskat)abstract
- Fatty acid synthase (FAS) is the major enzyme of lipogenesis. It catalyzes the NADPH-dependent condensation of acetyl-CoA and malonyl-CoA to produce palmitic acid. Transcription of the FAS gene is controlled synergistically by the transcription factors ChREBP (carbohydrate response element-binding protein), which is induced by glucose, and SREBP-1 (sterol response element-binding protein-1), which is stimulated by insulin through the PI3K/Akt signal transduction pathway. We investigated whether the genetic variability of the genes encoding for ChREBP, SREBP and FAS (respectively, MLXIPL, SREBF1 and FASN) is related to breast cancer risk and body-mass index (BMI) by studying 1,294 breast cancer cases and 2,452 controls from the European Prospective Investigation on Cancer (EPIC). We resequenced the FAS gene and combined information of SNPs found by resequencing and SNPs from public databases. Using a tagging approach and selecting 20 SNPs, we covered all the common genetic variation of these genes. In this study we were not able to find any statistically significant association between the SNPs in the FAS, ChREBP and SREPB-1 genes and an increased risk of breast cancer overall and by subgroups of age, menopausal status, hormone replacement therapy (HRT) use or BMI. On the other hand, we found that two SNPs in FASN were associated with BMI.
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| 5. |
- Campa, Daniele, et al.
(författare)
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The INSIG2 rs7566605 polymorphism is not associated with body mass index and breast cancer risk
- 2010
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Ingår i: BMC Cancer. - : BioMed Central. - 1471-2407. ; 10, s. 563-
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The single nucleotide polymorphism rs7566605, located in the promoter of the INSIG2 gene, has been the subject of a strong scientific effort aimed to elucidate its possible association with body mass index (BMI). The first report showing that rs7566605 could be associated with body fatness was a genome-wide association study (GWAS) which used BMI as the primary phenotype. Many follow-up studies sought to validate the association of rs7566605 with various markers of obesity, with several publications reporting inconsistent findings. BMI is considered to be one of the measures of choice to evaluate body fatness and there is evidence that body fatness is related with an increased risk of breast cancer (BC).METHODS: we tested in a large-scale association study (3,973 women, including 1,269 invasive BC cases and 2,194 controls), nested within the EPIC cohort, the involvement of rs7566605 as predictor of BMI and BC risk.RESULTS AND CONCLUSIONS: In this study we were not able to find any statistically significant association between this SNP and BMI, nor did we find any significant association between the SNP and an increased risk of breast cancer overall and by subgroups of age, or menopausal status.
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En båge genom tiden - ritualer kring en göteborgshistoria. Om Flickläroverket i Artisten
- 2024
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Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
- 1929 bildades Göteborgs första Högre allmänna läroverk för Flickor – Flickläroverket som fick en byggnad 1935 i det kulturella centrumet, Götaplatsen. Efter några år som Kjellbergska gymnasiet, sedan Komvux, blev byggnaden del av Artisten, Högskolan för scen och musik, HSM 1992. Byggnaden har burit kvinnors utbildning, konst och kultur över många generationer, en minneskedja som nu är bruten. Boken - En båge genom tiden – ritualer kring en göteborgshistoria – en konst- och forskningsantologi – är resultatet av de offentliga minnesdagar där de deltagande drygt 200 kvinnorna (70– 97 år) som varit elever på Flickläroverket, studenter vid Artisten, konstnärer och forskare – bidrog till och deltog i gestaltande ritualer, minnesrum, dans, utställningar och samtal som gav liv åt en utbildningskultur och konst som berört samhället i generationer. I boken bidrar ett 20-tal Göteborgsbaserade konstnärer och forskare med olika perspektiv på byggnadens poetiska, sociala och konstnärliga dimensioner. Bland annat beskrivs återskapandet av Bågdansen, som dansades varje år vid Lucia mellan 1934-1972. Här beskrivs även den medie-debatt som ledde till räddningen av målningen Dansen av Nils Nilsson från 1935 och hur nedtagningen gick till. Tillsammans med ett rikt foto- och bildmaterial, filmdokumentationer och ett ljudarkiv utgör boken ett tidsdokument där konst fungerar som minnesbärare över tid och rum.
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| 7. |
- Hoeft, Birgit, et al.
(författare)
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Polymorphisms in fatty acid metabolism-related genes are associated with colorectal cancer risk
- 2010
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Ingår i: Carcinogenesis. - : Oxford University Press (OUP). - 0143-3334 .- 1460-2180. ; 31:3, s. 466-472
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Tidskriftsartikel (refereegranskat)abstract
- Colorectal cancer (CRC) is the third most common malignant tumor and the fourth leading cause of cancer death worldwide. The crucial role of fatty acids for a number of important biological processes suggests a more in-depth analysis of inter-individual differences in fatty acid metabolizing genes as contributing factor to colon carcinogenesis. We examined the association between genetic variability in 43 fatty acid metabolism-related genes and colorectal risk in 1225 CRC cases and 2032 controls participating in the European Prospective Investigation into Cancer and Nutrition study. Three hundred and ninety two single-nucleotide polymorphisms were selected using pairwise tagging with an r(2) cutoff of 0.8 and a minor allele frequency of > 5%. Conditional logistic regression models were used to estimate odds ratios and corresponding 95% confidence intervals. Haplotype analysis was performed using a generalized linear model framework. On the genotype level, hydroxyprostaglandin dehydrogenase 15-(NAD) (HPGD), phospholipase A2 group VI (PLA2G6) and transient receptor potential vanilloid 3 were associated with higher risk for CRC, whereas prostaglandin E receptor 2 (PTGER2) was associated with lower CRC risk. A significant inverse association (P < 0.006) was found for PTGER2 GGG haplotype, whereas HPGD AGGAG and PLA2G3 CT haplotypes were significantly (P < 0.001 and P = 0.003, respectively) associated with higher risk of CRC. Based on these data, we present for the first time the association of HPGD variants with CRC risk. Our results support the key role of prostanoid signaling in colon carcinogenesis and suggest a relevance of genetic variation in fatty acid metabolism-related genes and CRC risk.
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| 8. |
- Hoggart, Clive, et al.
(författare)
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A Risk Model for Lung Cancer Incidence
- 2012
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Ingår i: Cancer Prevention Research. - Philadelphia : American Association for Cancer Research. - 1940-6207 .- 1940-6215. ; 5:6, s. 834-846
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Tidskriftsartikel (refereegranskat)abstract
- Risk models for lung cancer incidence would be useful for prioritising individuals for screening and participation in clinical trials of chemoprevention. We present a risk model for lung cancer built using prospective cohort data from a general population which predicts individual incidence in a given time period.We build separate risk models for current and former smokers utilising 169,035 ever smokers from the multicentre European Prospective Investigation into Cancer and Nutrition (EPIC) and considered a model for never smokers. The data set was split into independent training and test sets. Lung cancer incidence was modelled using survival analysis, stratifying by age started smoking, and for former smokers, also smoking duration. Other risk factors considered were smoking intensity, ten occupational/environmental exposures previously implicated with lung cancer, and SNPs at two loci identified by genome-wide association studies of lung cancer. Individual risk in the test set was measured by the predicted probability of lung cancer incidence in the year preceding last follow-up time, predictive accuracy was measured by the area under the receiver operator characteristic curve (AUC).Utilising smoking information alone gave good predictive accuracy: the AUC and 95% confidence interval in ever smokers was 0.843 (0.810, 0.875), the Bach model applied to the same data gave an AUC of 0.775 (0.737, 0.813). Other risk factors had negligible effect on the AUC, including never smokers for whom prediction was poor.Our model is generalisable and straightforward to implement. Its accuracy can be attributed to its modelling of lifetime exposure to smoking.
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| 10. |
- Larsson Lund, Maria
(författare)
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Living with physical disability : experiences of the rehabilitation process, occupations and participation in everyday life
- 2004
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- A comprehensive understanding is lacking of the experiences persons with acquired physical disabilities have of changes in their engagement in occupations and of the conditions influencing these experiences Furthermore, little is known about the experiences these people have of the rehabilitation process and whether the rehabilitation services satisfy their needs. Access to such knowledge would significantly add to the ability to design rehabilitation services intended to enhance participation in everyday life. The overall aim of this thesis was, therefore, to illuminate and enhance the understanding of how persons with acquired physical disabilities experienced their rehabilitation process and their possibilities to engage in occupations in everyday life. The thesis is comprised of five studies. The planning of the clients’ rehabilitation at hospital was explored through interviews with the clients (n=57) and the professionals (n=50). Interviews exploring how persons with physical disabilities experienced their rehabilitation process (n=15), their occupational lives in their homes (n=13) and the use of assistive devices (n =17) were analysed qualitatively. Data was also collected from persons with spinal cord injury (n =161) by the Impact on Participation and Autonomy questionnaire. The findings showed that the professionals used different strategies to encourage the clients to participate in the planning of the rehabilitation and that the strategies were based on traditions rather than on the individual clients’ desires to participate. The informants’ experiences reflected three parallel chains of rehabilitation over a period of time, a medical, a psychological and a social one. The influence of the different rehabilitation chains on how the clients’ lives turned out varied over time, and the professionals were predominantly involved in the medical rehabilitation chain. The informants’ experiences showed that their engagement in occupations in the home differed profoundly. Access to social support, which was provided under different conditions, was of decisive importance for their occupational engagement. The findings also showed that changes in the informants’ occupations in the home setting transformed the meaning of the home in general. The meaning of using assistive devices was experienced as manifold and double-edged. The incorporation of or resistance to assistive devices was understood as different approaches to adaptation with the same intention: to achieve desired occupational self-images. The majority of the informants perceived their participation in the life situation as sufficient but more than half reported one or more severe problems with participation. Access to social support in everyday occupations had a greater impact on predicting severe problems with participation than certain traditional health related factors or aspects related to the individual. To conclude, the findings indicate that the rehabilitation services need to be better able to adapt to clients’ desires to participate in the planning of their rehabilitation, and designed to satisfy the various needs the clients experience throughout the rehabilitation process. It was revealed that the societal and social environment, as manifested through social interactions, are of central importance in understanding the consequences of and possibilities to engage in occupations supporting participation in everyday life.
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