Food Insecurity and T-cell Dysregulation in Women Living With Human Immunodeficiency Virus on Antiretroviral Therapy.
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AuthorPeters, Brandilyn A
Sheira, Lila A
Hanna, David B
Tien, Phyllis C
Wentz, Eryka L
Landay, Alan L
Weiser, Sheri D
Journal titleClinical infectious diseases : an official publication of the Infectious Diseases Society of America
Publication Begin pagee112
Publication End pagee119
MetadataShow full item record
AbstractBackground: Food insecurity is associated with increased morbidity and mortality in people with human immunodeficiency virus (HIV) on antiretroviral therapy, but its relationship with immune dysregulation, a hallmark of HIV infection and comorbidity, is unknown.
Methods: In 241 women participating in the Women's Interagency HIV Study, peripheral blood mononuclear cells were characterized by flow cytometry to identify cell subsets, comprising surface markers of activation (%CD38+HLADR+), senescence (%CD57+CD28-), exhaustion (%PD-1+), and co-stimulation (%CD57- CD28+) on CD4+ and CD8+ T cells. Mixed-effects linear regression models were used to assess the relationships of food insecurity with immune outcomes, accounting for repeated measures at ≤3 study visits and adjusting for sociodemographic and clinical factors.
Results: At the baseline study visit, 71% of participants identified as non-Hispanic Black, 75% were virally suppressed, and 43% experienced food insecurity. Food insecurity was associated with increased activation of CD4+ and CD8+ T cells, increased senescence of CD8+ T cells, and decreased co-stimulation of CD4+ and CD8+ T cells (all P < .05), adjusting for age, race/ethnicity, income, education, substance use, smoking, HIV viral load, and CD4 count. In stratified analyses, the association of food insecurity with CD4+ T-cell activation was more pronounced in women with uncontrolled HIV (viral load >40 copies/mL and CD4 <500 cells/mm3) but remained statistically significant in those with controlled HIV.
Conclusions: Food insecurity may contribute to the persistent immune activation and senescence in women with HIV on antiretroviral therapy, independently of HIV control. Reducing food insecurity may be important for decreasing non-AIDS-related disease risk in this population.
CitationPeters BA, Sheira LA, Hanna DB, Qi Q, Sharma A, Adedimeji A, Wilson T, Merenstein D, Tien PC, Cohen M, Wentz EL, Kinslow J, Landay AL, Weiser SD. Food Insecurity and T-cell Dysregulation in Women Living With Human Immunodeficiency Virus on Antiretroviral Therapy. Clin Infect Dis. 2021 Mar 1;72(5):e112-e119. doi: 10.1093/cid/ciaa1771. PMID: 33247896; PMCID: PMC7935377.
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Except where otherwise noted, this item's license is described as © The Author(s) 2020. Published by Oxford University Press for the Infectious Diseases Society of America. All rights reserved. For permissions, e-mail: firstname.lastname@example.org.
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