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Targeted plasma proteomics reveals upregulation of distinct inflammatory pathways in people living with HIV.


ABSTRACT: Despite antiretroviral therapy (ART), people living with HIV (PLHIV) display persistent inflammation leading to non-AIDS-related co-morbidities. To better understand underlying mechanisms, we compared targeted plasma inflammatory protein concentration (n = 92) between a cohort of 192 virally suppressed PLHIV, who were followed-up for five years, and 416 healthy controls (HC). Findings were validated in an independent cohort of 649 virally suppressed PLHIV and 98 HC. Compared to HC, PLHIV exhibited distinctively upregulated inflammatory proteins, including mucosal defense chemokines, CCR5 and CXCR3 ligands, and growth factors. Unsupervised clustering of inflammatory proteins clearly differentiated PLHIV with low (n = 123) and high inflammation (n = 65), the latter having a 3.4 relative risk (95% confidence interval 1.2-9.8) to develop malignancies and trend for cardiovascular events during a 5-year follow-up. The best protein predictors discriminating the two inflammatory endotypes were PD-L1, VEGFA, LAP TGF β-1, and TNFRSF9. Our data provide insights into co-morbidities associated inflammatory changes in PLHIV on long-term ART.

SUBMITTER: Vadaq N 

PROVIDER: S-EPMC9494231 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature

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Targeted plasma proteomics reveals upregulation of distinct inflammatory pathways in people living with HIV.

Vadaq Nadira N   van de Wijer Lisa L   van Eekeren Louise E LE   Koenen Hans H   de Mast Quirijn Q   Joosten Leo A B LAB   Netea Mihai G MG   Matzaraki Vasiliki V   van der Ven André J A M AJAM  

iScience 20220907 10


Despite antiretroviral therapy (ART), people living with HIV (PLHIV) display persistent inflammation leading to non-AIDS-related co-morbidities. To better understand underlying mechanisms, we compared targeted plasma inflammatory protein concentration (n = 92) between a cohort of 192 virally suppressed PLHIV, who were followed-up for five years, and 416 healthy controls (HC). Findings were validated in an independent cohort of 649 virally suppressed PLHIV and 98 HC. Compared to HC, PLHIV exhibit  ...[more]

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