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Sökning: L773:0169 5002 OR L773:1872 8332

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  • [1]234567...9Nästa
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  • Sjodin, Anna, et al. (författare)
  • Dysregulated secretoglobin expression in human lung cancers
  • 2003
  • Ingår i: Lung Cancer. - : Elsevier. - 1872-8332 .- 0169-5002. ; 41:1, s. 49-56
  • Tidskriftsartikel (refereegranskat)abstract
    • Lipophilins A, B, C, mammaglobin, and uteroglobin are members of the secretoglobin family of small, secreted, proteins. The functions of these proteins are not well understood but uteroglobin has been implicated in the development of cancers. Uteroglobin is known to be highly expressed in normal lung and down-regulated in lung cancers but expression of the other secretoglobins in normal lung and lung neoplasms have not been investigated. Therefore, we developed quantitative real-time reverse transcription (RT-) PCR assays for the different secretoglobins and evaluated their expression in normal and neoplastic lung tissues. The secretoglobin transcript levels were quantitated by real-time RT-PCR in samples from three normal lungs, 24 lung tumors including six small cell lung carcinomas, seven adenocarcinomas, and five squamous cell carcinomas, and in cell lines from three small cell lung carcinomas and one mesothelioma. Uteroglobin was confirmed to be abundantly expressed in normal lung and the different lung tumors showed down-regulated uteroglobin expression. Of the other secretoglobins, only lipophilin C was detected in normal lung, albeit at low levels. The lung tumors, however, frequently showed neo- or up-regulation of lipophilins A, B, C, and mammaglobin. The results constitute the first quantitative evaluation of secretoglobin expression in normal and neoplastic human lung tissues and demonstrate dysregulation in various human lung cancers. These findings could have important biological and diagnostic implications.
  • Koyi, Hirsh, et al. (författare)
  • A prospective study of a total material of lung cancer from a county in Sweden 1997-1999 : gender, symptoms, type, stage and smoking habits
  • 2002
  • Ingår i: Lung Cancer. - 0169-5002 .- 1872-8332. ; 36:1, s. 9-14
  • Recension (övrigt vetenskapligt)abstract
    • The epidemiology of lung cancer is changing in many parts of the world. In the industrialized countries, there is a trend that the incidence in men is declining, while it is increasing for women. Also, adenocarcinomas are becoming relatively more common, especially among men. The purpose of this study was to investigate whether such trends also occur in Sweden and also to describe other aspects of an unselected lung cancer material today, such as symptoms, stage and smoking habits. In the county of Gaevleborg, Sweden, practically all patients with lung cancer are referred to the lung department, and thus a total material of lung cancer patients with only a minimal selection bias can be studied. All patients with lung cancer in the county from January 1, 1997 to December 31, 1999, were investigated prospectively regarding stage, type of cancer, and symptoms. In all, there were 364 patients, 237 (65.1%) men and 127 (34.9%) women. The mean age for men was 69.8 and for women, 68.1 years. 91.9% of the men and 78.6% of the women were smokers or ex-smokers. In general the men were heavier smokers than were the women (P<0.0001). Adenocarcinoma was the most common subtype found in women and squamous cell carcinoma in men. The excess of adenocarcinoma in women was due to never-smoking women; for smoking and ex-smoking men and women, the proportion of adenocarcinomas was the same. In all, 240 patients (68.0%) were diagnosed at Stage IIIb (27.2%) or IV (40.8%), with no significant differences between the sexes. The most common first symptom was cough. Only 7.0% of patients were asymptomatic. In conclusion, the trend of an increasing proportion of adenocarcinoma in lung cancer is seen also in Sweden. A depressingly high percentage of patients present in late stages and are thus inoperable.
  • Koyi, Hirsh, et al. (författare)
  • The 'reservoir' of undetected bronchial carcinomas in the generalpopulation
  • 2002
  • Ingår i: Lung Cancer. - 0169-5002 .- 1872-8332. ; 37:2, s. 137-142
  • Tidskriftsartikel (refereegranskat)abstract
    • Study objectives: Autopsy studies have shown that a sizeable portion of lung cancers are never diagnosed and thus not entered into any cancer registry.Design: In 1997, we decided to make all available efforts to find all patients with lung cancer who had not been registered previously.Setting: The local hospitals in the county of Gävleborg, Sweden.Patients: All patients with lung cancer diagnosed in the county from 1997 to 2000.Interventions: In meetings with all the general practitioners of the county, these were asked to refer all suspected cases as early as possible, including those with a seemingly dismal prognosis. This initiative was also covered by the newspapers and the local television station.Measurements and results: From 1997 onwards, the incidence of lung cancer in the county was found to be 40–50 per 100 000 inhabitants compared with an incidence of about 30 during the ten preceding years. This difference is significant in time (P<0.0001) and is compared with the incidence of lung cancers in four neighboring counties (P=0.002). Conclusions: There can be a considerable number of patients with lung cancer who are never diagnosed. This can explain differences in survival between various countries and this will also affect the results of screening programs, since the control groups will also include a number of lung cancer cases which will never be recognized.
  • Brattström, Daniel, et al. (författare)
  • Serum VEGF and bFGF adds prognostic information in patients with normal platelet counts when sampled before, during and after treatment for locally advanced non-small cell lung cancer
  • 2003
  • Ingår i: Lung Cancer. - 0169-5002 .- 1872-8332. ; 43:1, s. 55-62
  • Tidskriftsartikel (refereegranskat)abstract
    • Vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) have both been implicated to have roles in tumour angiogenesis. In the present retrospective study, serum VEGF and bFGF from patients with locally advanced non-small cell lung cancer (NSCLC) were analysed before, during and after treatment. Seventy-three patients and a total of 460 serum samples were analysed for VEGF and 443 serum samples were analysed for bFGF. Pre-treatment bFGF levels in patients with normal platelet counts, were correlated to poorer survival, P-value = 0.047. During chemotherapy, each rise of one unit bFGF corresponded to a hazard ratio of 4.06 (P=0.022). In patients with normal platelet counts, VEGF levels after radiotherapy significantly correlated to good prognosis (P=0.023), during radiotherapy VEGF levels indicated the same correlation (P=0.085). We conclude that serum VEGF and especially bFGF are of clinical interest as prognostic factors, especially in patients presenting with normal platelet counts.
  • Brenner, Darren R, et al. (författare)
  • Leisure-time physical activity and lung cancer risk : a systematic review and meta-analysis
  • 2016
  • Ingår i: Lung Cancer. - : Elsevier. - 0169-5002 .- 1872-8332. ; 95, s. 17-27
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: We conducted a systematic review and meta-analysis of the association between recreational physical activity and lung cancer risk to update previous analyses and to examine population subgroups of interest defined by smoking status and histology.MATERIALS AND METHODS: We searched the PubMed database for studies up to May 2015. Individual study characteristics were abstracted including study design, number of cases, assessment of recreational physical activity and type and level of adjustment for confounding factors. Combined effect estimates were calculated for the overall associations and across subgroups of interest.RESULTS: We identified 28 studies that were eligible for inclusion in the meta-analysis. The overall analysis indicated an inverse association between recreational physical activity and lung cancer risk (Relative Risk (RR), 0.76; 95% Confidence Interval (CI), 0.69-0.85, p-value: <0.001). Similar inverse associations with risk were also noted for all evaluated histological subtypes, including adenocarcinoma (RR, 0.80; 95% CI, 0.72-0.88), squamous (RR, 0.80; 95% CI, 0.71-0.90) and small cell (RR, 0.79; 95% CI, 0.66-0.94). When we examined effects by smoking status, inverse associations between recreational physical activity and lung cancer risk were observed among former (RR, 0.77; 95% CI, 0.69-0.85) and current smokers (RR, 0.77; 95% CI, 0.72-0.83), but not among never smokers (RR, 0.96; 95% CI, 0.79-1.18).CONCLUSION: Results from this meta-analysis suggest that regular recreational physical activity may be associated with reduced risk of lung cancer. Only four studies examining never smokers were identified, suggesting the need for additional research in this population.
  • Brocki, Barbara Cristina, 1957-, et al. (författare)
  • Short and long-term effects of supervised versus unsupervised exercise training on health-related quality of life and functional outcomes following lung cancer surgery : a randomized controlled trial
  • 2014
  • Ingår i: Lung Cancer. - : Elsevier. - 0169-5002 .- 1872-8332. ; 83:1, s. 102-108
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE:Surgical resection enhances long-term survival after lung cancer, but survivors face functional deficits and report on poor quality of life long time after surgery. This study evaluated short and long-term effects of supervised group exercise training on health-related quality of life and physical performance in patients, who were radically operated for lung cancer.METHODS:A randomized, assessor-blinded, controlled trial was performed on 78 patients undergoing lung cancer surgery. The intervention group (IG, n=41) participated in supervised out-patient exercise training sessions, one hour once a week for ten weeks. The sessions were based on aerobic exercises with target intensity of 60-80% of work capacity, resistance training and dyspnoea management. The control group (CG, n=37) received one individual instruction in exercise training. Measurements consisted of: health-related quality of life (SF36), six minute walk test (6MWT) and lung function (spirometry), assessed three weeks after surgery and after four and twelve months.RESULTS:Both groups were comparable at baseline on demographic characteristic and outcome values. We found a statistically significant effect after four months in the bodily pain domain of SF36, with an estimated mean difference (EMD) of 15.3 (95% CI:4 to 26.6, p=0.01) and a trend in favour of the intervention for role physical functioning (EMD 12.04, 95% CI: -1 to 25.1, p=0.07) and physical component summary (EMD 3.76, 95% CI:-0.1 to 7.6, p=0.06). At 12 months, the tendency was reversed, with the CG presenting overall slightly better measures. We found no effect of the intervention on 6MWT or lung volumes at any time-point.CONCLUSION:Supervised compared to unsupervised exercise training resulted in no improvement in health-related quality of life, except for the bodily pain domain, four months after lung cancer surgery. No effects of the intervention were found for any outcome after one year.
  • Crona, Joakim, et al. (författare)
  • Treatment, prognostic markers and survival in thymic neuroendocrine tumours : A study from a single tertiary referral centre
  • 2013
  • Ingår i: Lung Cancer. - 0169-5002 .- 1872-8332. ; 79:3, s. 289-293
  • Tidskriftsartikel (refereegranskat)abstract
    • Thymic neuroendocrine tumours (TNETs) are uncommon but malignant neoplasms, usually associated with a poor prognosis. The number of cases reported is limited to a few hundreds and there are few prognostic factors available. All 28 patients (22 male, 6 female; median age 46.5 years) with thymic neuroendocrine tumour, treated at the Department of Endocrine Oncology, Uppsala University Hospital, Uppsala, Sweden between 1985 and 2011 were studied. The overall 3, 5 and 10-year survival was 89%, 79% and 41% respectively. Ki67<10% (p=0.018) as well as surgical resection (p=0.001) and macroscopically radical primary surgery (p=0.034) was associated with increased survival. Staging & grading according to Masaoka and ENETS systems did not correlate with survival. However, a modified ENETS grading showed a positive correlation (p=0.015). Median time to progression was 20.5 months with Temozolomide and 18 months with platinum based therapy. Partial responses were noted in three patients (38%) treated with platinum based therapy and in two patients (20%) treated with Temozolomide based therapy. High proliferative rate, measured by Ki67 index, and absence of macroscopically radical primary resection as well as no surgical resection are three negative prognostic factors in patients with TNETs. Temozolomide or Platinum based chemotherapy should be considered as first-line medical therapy in patients with metastatic or non-resectable tumours.
  • Dietel, M., et al. (författare)
  • Real-world prevalence of programmed death ligand 1 expression in locally advanced or metastatic non small-cell lung cancer : The global, multicenter EXPRESS study
  • 2019
  • Ingår i: Lung Cancer. - 0169-5002 .- 1872-8332. ; 134, s. 174-179
  • Tidskriftsartikel (refereegranskat)abstract
    • ObjectivesTumor programmed death ligand 1 (PD-L1) expression is associated with improved clinical benefit from immunotherapies targeting the PD-1 pathway. We conducted a global, multicenter, retrospective observational study to determine real-world prevalence of tumor PD-L1 expression in patients with NSCLC.Materials and methodsPatients ≥18 years with histologically confirmed stage IIIB/IV NSCLC and a tumor tissue block (≤5 years old) obtained before treatment were identified in 45 centers across 18 countries. Tumor samples from eligible patients were selected consecutively, when possible. PD-L1 expression was evaluated at each center using the PD-L1 IHC 22C3 pharmDx kit (Agilent, Santa Clara, CA, USA).ResultsOf 2617 patients who met inclusion criteria, 2368 (90%) had PD-L1 data; 530 (22%) patients had PD-L1 TPS ≥ 50%, 1232 (52%) had PD-L1 TPS ≥ 1%, and 1136 (48%) had PD-L1 TPS < 1%. The most common reason for not having PD-L1 data (n = 249) was insufficient tumor cells (<100) on the slide (n = 170 [6%]). Percentages of patients with PD-L1 TPS ≥ 50% and TPS ≥ 1%, respectively were: 22%/52% in Europe; 22%/53% in Asia Pacific; 21%/47% in the Americas, and 24%/55% in other countries. Prevalence of EGFR mutations (19%) and ALK alterations (3%) was consistent with prior reports from metastatic NSCLC studies. Among 1064 patients negative for both EGFR mutation and ALK alteration, the percentage with PD-L1 TPS ≥ 50% and TPS ≥ 1%, respectively, were 27% and 53%.ConclusionsThis is the largest real-world study in advanced NSCLC to date evaluating PD-L1 tumor expression using the 22C3 pharmDx kit. Testing failure rate was low with local evaluation of PD-L1 TPS across a large number of centers. Prevalence of PD-L1 TPS ≥ 50% and TPS ≥ 1% among patients with stage IIIB/IV NSCLC was similar across geographic regions and broadly consistent with central testing results from clinical trial screening populations.
  • Djureinovic, Dijana, et al. (författare)
  • Detection of autoantibodies against cancer-testis antigens in non-small cell lung cancer
  • 2018
  • Ingår i: ; 125, s. 157-163
  • Tidskriftsartikel (refereegranskat)abstract
    • Cancer testis antigens (CTAs) are defined as proteins that are specifically expressed in testis or placenta and their expression is frequently activated in cancer. Due to their ability to induce an immune response, CTAs may serve as suitable targets for immunotherapy. The aim of this study was to evaluate if there is reactivity against CTAs in the plasma of non-small cell lung cancer (NSCLC) patients through the detection of circulating antibodies. To comprehensively analyse auto-antibodies against CTAs the multiplexing capacities of suspension bead array technology was used. Bead arrays were created with 120 protein fragments, representing 112 CTAs. Reactivity profiles were measured in plasma samples from 133 NSCLC patients and 57 cases with benign lung diseases. Altogether reactivity against 69 antigens, representing 81 CTAs, was demonstrated in at least one of the analysed samples. Twenty-nine of the antigens (45 CTAs) demonstrated exclusive reactivity in NSCLC samples. Reactivity against CT47A genes, PAGE3, VCX, MAGEB1, LIN28B and C12orf54 were only found in NSCLC patients at a frequency of 1%-4%. The presence of autoantibodies towards these six antigens was confirmed in an independent group of 34 NSCLC patients.In conclusion, we identified autoantibodies against CTAs in the plasma of lung cancer patients. The reactivity pattern of autoantibodies was higher in cancer patients compared to the benign group, stable over time, but low in frequency of occurrence. The findings suggest that some CTAs are immunogenic and that these properties can be utilized as immune targets.
  • Hallqvist, A., et al. (författare)
  • Concurrent cetuximab and radiotherapy after docetaxel-cisplatin induction chemotherapy in stage III NSCLC: Satellite-A phase II study from the Swedish Lung Cancer Study Group
  • 2011
  • Ingår i: Lung Cancer. - : Elsevier. - 1872-8332 .- 0169-5002. ; 71:2, s. 166-172
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Several attempts to increase the locoregional control in locally advanced lung cancer including concurrent chemotherapy, accelerated fractionation and dose escalation have been made during the last years. As the EGFR directed antibody cetuximab has shown activity concurrent with radiotherapy in squamous cell carcinoma of the head and neck, as well as in stage IV NSCLC combined with chemotherapy, we wanted to investigate radiotherapy with concurrent cetuximab in locally advanced NSCLC, a tumour type often over expressing the EGF-receptor. Methods: Between February 2006 and August 2007 75 patients in stage Ill NSCLC with good performance status (PS 0 or 1) and adequate lung function (FEV1 > 1.0) were enrolled in this phase II study at eight institutions. Treatment consisted of 2 cycles of induction chemotherapy, docetaxel 75 mg/m(2) and cisplatin 75 mg/m(2) with 3 weeks interval. An initial dose of cetuximab 400 mg/m(2) was given before start of 3D-CRT to 68 Gy with 2 Gy per fraction in 7 weeks concurrent with weekly cetuximab 250 mg/m(2). Toxicity was scored weekly during radiotherapy (CTC 3.0), and after treatment the patients were followed every third month with CT-scans, toxicity scoring and QLQ. Results: Seventy-one patients were eligible for analysis as four were incorrectly enrolled. Histology: adenocarcinoma 49%, squamous cell carcinoma 39% and other NSCLC 12%. The majority had PS 0 (62.5%), median age 62.2 (42-81), 50% were women and 37% had a pre-treatment weight loss > 5%. Toxicity: esophagitis grade 1-2: 72%; grade 3:1.4%. Hypersensitivity reactions grade 3-4: 5.6%. Febrile neutropenia grade 3-4: 15.4%. Skin reactions grade 1-2: 74%; grade 3: 4.2%. Diarrhoea grade 1-2: 38%; grade 3: 11.3%. Pneumonitis grade 1-2: 26.8%; grade 3: 4.2%; grade 5:1.4%. The median follow-up was 39 months for patients alive and the median survival was 17 months with a 1-, 2- and 3-year OS of 66%, 37% and 29% respectively. Until now local or regional failure has occurred in 20 patients and 22 patients have developed distant metastases. Weight loss, PS and stage were predictive for survival in univariate as well as in multivariate analysis. Conclusion: Induction chemotherapy followed by concurrent cetuximab and RT to 68 Gy is clearly feasible with promising survival. Toxicity, e.g. pneumonitis and esophagitis is low compared to most schedules with concurrent chemotherapy. This treatment strategy should be evaluated in a randomised manner vs. concurrent chemoradiotherapy to find out if it is a valid treatment option. (C) 2010 Elsevier Ireland Ltd. All rights reserved.
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