ArticlePloS one2024
Soluble P-selectin as an inflammatory mediator potentially influencing endothelial activation in people living with HIV in sub-rural areas of Limpopo, South Africa.
Article in PloS one, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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10 authors.
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Abstract
objectivesThere is a growing need to understand the potential role of soluble platelet selectin (sP-selectin) in sustained endothelial activation through increased levels of soluble intercellular adhesion molecule-1 (sICAM-1) and soluble vascular adhesion-1 (sVCAM-1) in people living with HIV (PLWH) on highly active antiretroviral therapy (HAART). METHODOLOGY: This was a cross-sectional study involving PLWH on HAART (n = 55), in comparison to PLWH not on treatment (HAART-naïve) (n = 29), and (iii) HIV negative controls (n = 48) from the Mankweng area in the Limpopo province, South Africa. We quantified serum levels of sP-selectin, together with sICAM-1 and sVCAM-1. Most of the HAART-exposed group were on treatment for <5 years. We further performed frequency distribution and descriptive statistics for categorical variables.
resultsSoluble P-selectin was positively correlated with sVCAM-1 (r = 0.469; p<0.001) in PLWH on HAART, even after adjusting for confounding factor such as age, BMI, and total cholesterol (r = 0.467; p<0.001). Moreover, in PLWH on HAART sP-selecting was independently associated with the release of sVCAM-1 (β = 0.445; p<0.001), even after adjusting for confounders (β = 0.475; p = 0.001). Serum levels of low-density lipoprotein cholesterol (LDL-C) (p = 0.004) and total cholesterol (p<0.001) were significantly higher in PLWH on HAART as compared to the HAART-naïve group.
conclusionThere is a need for more studies to investigate the role of sP-selectin in promoting endothelial activation and CVD-risk in PLWH on HAART, especially within the sub-Saharan Africa region.
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