| 1. |
- Carlander, C., et al.
(author)
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Employment by HIV status, mode of HIV transmission and migrant status: a nation-wide population-based study
- 2021
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In: Aids. - : Ovid Technologies (Wolters Kluwer Health). - 0269-9370 .- 1473-5571. ; 35:1, s. 115-123
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Journal article (peer-reviewed)abstract
- Objective: To compare employment in people by HIV status, mode of HIV transmission and migrant status. Design: Nation-wide population-based register data from 1996 to 2016. Methods: All people born between 1940 and 2000 (n = 8587 629) were identified from the Swedish Total Population Register and linked to the Swedish National HIV Register (n = 9492) and Longitudinal Integration Database for Health Insurance and Labour Market Studies. Adjusted prevalence ratios (adjPR) of employment were calculated using Poisson regression. Trends in employment were illustrated in scatterplots with overlaid prediction plots. Results: People with HIV were less likely employed than HIV-negative but with decreasing difference over time [adjPR 0.57, 95% confidence interval (CI) 0.54-0.60 in 1996, adjPR 0.84, 95% CI 0.83-0.86 in 2016]. Female migrants with HIV had the highest increase of employment over time and were more likely employed than HIV-negative female migrants by end of follow-up (adjPR 1.12, 95% CI 1.08-1.16). Swedish-born with present/former intravenous drug use had the lowest employment rates. Individuals with undetectable HIV-RNA viral levels showed higher employment rates (adjPR 1.29, 95% CI 1.20-1.38) compared with those with detectable viral levels. Conclusion: Employment in people living with HIV (PLWH) increased over time but remained lower than for HIV-negative people. HIV was not associated with lower employment in migrants by end of follow-up, indicating that HIV is not a barrier for employment among migrants in Sweden. The heterogeneity of PLWH needs to be taken into account in interventions, and future studies, focusing on access to the labour market in PLWH.
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| 2. |
- Carlander, C., et al.
(author)
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HPV Types in Cervical Precancer by HIV Status and Birth Region: A Population-Based Register Study
- 2020
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In: Cancer Epidemiology Biomarkers & Prevention. - 1055-9965. ; 29:12, s. 2662-2668
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Journal article (peer-reviewed)abstract
- Background: Data are lacking regarding which human papillomavirus (HPV) types cause high-grade cervical neoplasia (CIN2+) in people with HIV in Europe. We assessed which HPV types are associated with CIN2+ in women living in Sweden by HIV status. Methods: The Swedish National HIV Registry, the Swedish Population Registry, and the Swedish National Cervical Screening Registry were linked. CIN2+ tissue blocks of 130 women living with HIV (WLWH) and 234 HIV-negative women, matched for country of birth (1:2), were retrieved from bio-banks and HPV genotyped. Adjusted ORs (adjOR), stratified by country of birth, were calculated using conditional logistic regression. Matching was broken for cross-group comparisons. Results: WLWH with CIN2 were less likely to have HPV16 [14% vs. 40%; adjOR 0.1; 95% confidence interval (CI), 0.04-0.56] than HIV-negative women, but among women with CIN3, there was no difference in HPV16 prevalence by HIV status (adjOR 0.9; 95% CI, 0.51-1.70). WLWH were six times more likely to have HPV35 in CIN3 than HIV-negative women (adjOR 6.2; 95% CI, 1.3-30.4). WLWH from sub-Saharan Africa (SSA) had less 9-valent vaccine types, compared with both HIV-negative women born in Sweden (adjOR 0.1; 95% CI, 0.02-0.44) and WLWH born in Sweden (adjOR 0.1; 95% CI, 0.01-0.73), mostly because of decreased HPV16 and increased HPV35. Conclusions: WLWH from SSA were less likely to be covered by the 9-valent vaccine, mostly due to less HPV16 and more HPV35. Impact: This could have implications for HPV vaccines, currently not including HPV35, and for HPV-screening algorithms in women with origin from SSA.
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| 3. |
- Al-Rabadi, Laith Farah, et al.
(author)
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Serine Protease HTRA1 as a Novel Target Antigen in Primary Membranous Nephropathy
- 2021
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In: Journal of the American Society of Nephrology. - : American Society of Nephrology (ASN). - 1046-6673 .- 1533-3450. ; 32:7, s. 1666-1681
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Journal article (peer-reviewed)abstract
- Background Identification of target antigens PLA2R, THSD7A, NELL1, or Semaphorin-3B can explain the majority of cases of primary membranous nephropathy (MN). However, target antigens remain unidentified in 15%-20% of patients. Methods A multipronged approach, using traditional and modern technologies, converged on a novel target antigen, and capitalized on the temporal variation in autoantibody titer for biomarker discovery. Immunoblotting of human glomerular proteins followed by differential immunoprecipitation and mass spectrometric analysis was complemented by laser-capture microdissection followed by mass spectrometry, elution of immune complexes from renal biopsy specimen tissue, and autoimmune profiling on a protein fragment microarray. Results These approaches identified serine protease HTRA1 as a novel podocyte antigen in a subset of patients with primary MN. Sera from two patients reacted by immunoblotting with a 51-kD protein within glomerular extract and with recombinant human HTRA1, under reducing and nonreducing conditions. Longitudinal serum samples from these patients seemed to correlate with clinical disease activity. As in PLA2R- and THSD7A- associated MN, anti-HTRA1 antibodies were predominantly IgG4, suggesting a primary etiology. Analysis of sera collected during active disease versus remission on protein fragment microarrays detected significantly higher titers of anti-HTRA1 antibody in active disease. HTRA1 was specifically detected within immune deposits of HTRA1-associated MN in 14 patients identified among three cohorts. Screening of 118 "quadruple-negative" (PLA2R-, THSD7A-, NELL1-, EXT2-negative) patients in a large repository of MN biopsy specimens revealed a prevalence of 4.2%. Conclusions Conventional and more modern techniques converged to identify serine protease HTRA1 as a target antigen in MN.
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