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- Rask, Gunilla, et al.
(författare)
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Correlation of tumour subtype with long-term outcome in small breast carcinomas: a Swedish population-based retrospective cohort study
- 2022
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Ingår i: Breast Cancer Research and Treatment. - : Springer Science and Business Media LLC. - 0167-6806 .- 1573-7217. ; 195:3, s. 367-377
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Tidskriftsartikel (refereegranskat)abstract
- Purpose To investigate if molecular subtype is associated with outcome in stage 1 breast cancer (BC). Methods Tissue samples from 445 women with node-negative BC <= 15 mm, treated in 1986-2004, were classified into surrogate molecular subtypes [Luminal A-like, Luminal B-like (HER2-), HER2-positive, and triple negative breast cancer (TNBC)]. Information on treatment, recurrences, and survival were gathered from medical records. Results Tumour subtype was not associated with overall survival (OS). Luminal B-like (HER2-) and TNBC were associated with higher incidence of distant metastasis at 20 years (Hazard ratio (HR) 2.26; 95% CI 1.08-4.75 and HR 3.24; 95% CI 1.17-9.00, respectively). Luminal B-like (HER2-) and TNBC patients also had worse breast cancer-specific survival (BCSS), although not statistically significant (HR 1.53; 95% CI 0.70-3.33 and HR 1.89; 95% CI 0.60-5.93, respectively). HER2-positive BC was not associated with poor outcome despite no patient receiving HER2-targeted therapy, with most of these tumours being ER+. Conclusions Stage 1 TNBC or Luminal B-like (HER2-) tumours behave more aggressively. Women with HER2+/ER+ tumours do not have an increased risk of distant metastasis or death, absent targeted treatment.
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- Wadsten, Mats Å., et al.
(författare)
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The influence of late displacement in distal radius fractures on function, grip strength, range of motion and quality of life
- 2018
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Ingår i: Journal of Hand Surgery, European Volume. - : Sage Publications. - 1753-1934 .- 2043-6289. ; 43:2, s. 131-136
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Tidskriftsartikel (refereegranskat)abstract
- Late displacement of distal radius fractures, still in acceptable radiological position after 1–2 weeks, occurs in approximately one-third of cases. The aim of this study was to investigate the influence of late displacement on the functional outcome and quality of life at 1 year in non-operatively treated distal radius fractures. One hundred and seventy five unilateral conservatively treated distal radius fractures with minimal displacement after 10–14 days were finally evaluated in the study. Follow-up included radiographs at 3 months and clinical examination 1 year after the fracture. Final radiographic parameters, grip strength, range of motion, QuickDASH, EQ-5D and pain visual analogue scale were evaluated with multivariate analysis. Late displacement occurred in 28% of the cases and was associated with loss of grip strength and range of motion. No significant differences were seen in the outcome questionnaires.
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- Wennstig, Anna-Karin, 1973-, et al.
(författare)
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Risk of coronary stenosis after adjuvant radiotherapy for breast cancer
- 2022
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Ingår i: Strahlentherapie und Onkologie (Print). - : Springer Berlin/Heidelberg. - 0179-7158 .- 1439-099X. ; 198, s. 630-638
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Adjuvant radiotherapy (RT) for breast cancer is associated with an increased risk of ischemic heart disease. We examined the risk of coronary artery stenosis in a large cohort of women with breast cancer receiving adjuvant RT.Methods: A cohort of women diagnosed with breast cancer between 1992 and 2012 in three Swedish health care regions (n = 57,066) were linked to the Swedish Coronary Angiography and Angioplasty Registry (SCAAR) to identify women receiving RT who subsequently underwent a percutaneous coronary intervention (PCI) due to coronary stenosis. Cox regression analyses were performed to examine risk of a coronary intervention and competing risk analyses were performed to calculate cumulative incidence.Results: A total of 649 women with left-sided breast cancer and 494 women with right-sided breast cancer underwent a PCI. Women who received left-sided RT had a significantly higher risk of a PCI in the left anterior descending artery (LAD) compared to women who received right-sided RT, hazard ratio (HR) 1.44 (95% confidence interval [CI] 1.21–1.77, p < 0.001). For the proximal, mid, and distal LAD, the HRs were 1.60 (95% CI 1.22–2.10), 1.38 (95% CI 1.07–1.78), and 2.43 (95% CI 1.33–4.41), respectively. The cumulative incidence of coronary events at 25 years from breast cancer diagnosis were 7.0% in women receiving left-sided RT and 4.4% in women receiving right-sided RT.Conclusion: Implementing and further developing techniques that lower cardiac doses is important in order to reduce the risk of long-term side effects of adjuvant RT for breast cancer.
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- Wöhri, Annemarie, 1976, et al.
(författare)
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A Lipidic-Sponge Phase Screen for Membrane Protein Crystallization
- 2008
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Ingår i: Structure. - : Elsevier BV. - 0969-2126 .- 1878-4186. ; 16:7, s. 1003-1009
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Tidskriftsartikel (refereegranskat)abstract
- A major current deficit in structural biology is the lack of high-resolution structures of eukaryotic membrane proteins, many of which are key drug targets for the treatment of disease. Numerous eukaryotic membrane proteins require specific lipids for their stability and activity, and efforts to crystallize and solve the structures of membrane proteins that do not address the issue of lipids frequently end in failure rather than success. To help address this problem, we have developed a sparse matrix crystallization screen consisting of 48 lipidic-sponge phase conditions. Sponge phases form liquid lipid bilayer environments which are suitable for conventional hanging- and sitting-drop crystallization experiments. Using the sponge phase screen, we obtained crystals of several different membrane proteins from bacterial and eukaryotic sources. We also demonstrate how the screen may be manipulated by incorporating specific lipids such as cholesterol; this modification led to crystals being recovered from a bacterial photosynthetic core complex.
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