Samuel S Bailin1, Kathleen A McGinnis2, Wyatt J McDonnell1, Kaku So-Armah3, Melissa Wellons1, Russell P Tracy4, Margaret F Doyle4, Simon Mallal1, Amy C Justice2,5, Matthew S Freiberg1,6, Alan L Landay7, Celestine Wanjalla1, John R Koethe1,6. 1. Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA. 2. Veterans Affairs Connecticut Healthcare System, West Haven, Connecticut, USA. 3. Boston University School of Medicine, Boston, Massachusetts, USA. 4. Department of Pathology and Laboratory Medicine, University of Vermont, Burlington, Vermont, USA. 5. Department of Internal Medicine, Yale School of Medicine, West Haven, Connecticut, USA. 6. Veterans Affairs Tennessee Valley Healthcare System, Nashville, Tennessee, USA. 7. Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois, USA.
Abstract
BACKGROUND: A higher proportion of circulating memory CD4+ T cells is associated with prevalent diabetes mellitus in the general population. Given the broad changes in adaptive immunity, including memory T-cell expansion, and rising prevalence of diabetes in the human immunodeficiency virus (HIV) population, we assessed whether similar relationships were present in persons with HIV (PWH). METHODS: Multiple CD4+ and CD8+ T-cell subsets were measured by flow cytometry, and prevalent diabetes cases were adjudicated by 2 physicians for PWH and HIV-negative participants in the Veterans Aging Cohort Study. Multivariable logistic regression models evaluated the association of T-cell subsets and diabetes stratified by HIV status, adjusted for cytomegalovirus serostatus and traditional risk factors. RESULTS: Among 2385 participants (65% PWH, 95% male, 68% African American), higher CD45RO+ memory CD4+ T cells and lower CD38+ CD4+ T cells were associated with prevalent diabetes, and had a similar effect size, in both the PWH and HIV-negative (P ≤ .05 for all). Lower CD38+CD8+ T cells were also associated with diabetes in both groups. CONCLUSIONS: The CD4+ and CD8+ T-cell subsets associated with diabetes are similar in PWH and HIV-negative individuals, suggesting that diabetes in PWH may be related to chronic immune activation.
BACKGROUND: A higher proportion of circulating memory CD4+ T cells is associated with prevalent diabetes mellitus in the general population. Given the broad changes in adaptive immunity, including memory T-cell expansion, and rising prevalence of diabetes in the human immunodeficiency virus (HIV) population, we assessed whether similar relationships were present in persons with HIV (PWH). METHODS: Multiple CD4+ and CD8+ T-cell subsets were measured by flow cytometry, and prevalent diabetes cases were adjudicated by 2 physicians for PWH and HIV-negative participants in the Veterans Aging Cohort Study. Multivariable logistic regression models evaluated the association of T-cell subsets and diabetes stratified by HIV status, adjusted for cytomegalovirus serostatus and traditional risk factors. RESULTS: Among 2385 participants (65% PWH, 95% male, 68% African American), higher CD45RO+ memory CD4+ T cells and lower CD38+ CD4+ T cells were associated with prevalent diabetes, and had a similar effect size, in both the PWH and HIV-negative (P ≤ .05 for all). Lower CD38+CD8+ T cells were also associated with diabetes in both groups. CONCLUSIONS: The CD4+ and CD8+ T-cell subsets associated with diabetes are similar in PWH and HIV-negative individuals, suggesting that diabetes in PWH may be related to chronic immune activation.
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