HIV infection confers distinct mechanisms in severe drug eruption: Endogenous virus activation with aberrant Th2/Th1 and CD8+ T cells function.

Abstract:

:Severe drug eruption (SDE), a common skin disease, becomes dangerous when it occurs in patients with human immunodeficiency virus (HIV). However, the molecular mechanisms are poorly understood. Forty patients including HIV+ SDE+ (n = 15), HIV- SDE+ (n = 15) and HIV+ SDE- (n = 10) subjects were enrolled in our study. All HIV+ patients were at acquired immune deficiency syndrome (AIDS) stage. Serum levels of TNF-α, IFN-γ, IL-4, IL-13, IL-6, CXCL9, and CCL17 were quantified by ELISA. Epstein-Barr virus (EBV) and cytomegalovirus (CMV) loads were quantified by RT-qPCR. CD4, CD8, Th1, Th2, TNF-α-CD8, and IFN-γ-CD8 T cell populations were measured by flow cytometry. Levels of biochemical indexes in HIV+ SDE+ patients were significantly different from in HIV- SDE+ patients (P < .05). EBV and CMV viral loads were significantly higher in HIV+ SDE+ patients, but not in HIV- SDE+ patients (P < .05). Inflammatory cytokines TNF-α and IFN-γ were significantly elevated in HIV+ SDE+ patients (P < .05). Th2/Th1 populations and TNF-α secreting or IFN-γ secreting CD8+ T cells, were significantly up-regulated in HIV+ SDE+ patients compared to HIV- SDE+ patients (P < .05). Conversely, the CD4/CD8 ratio was significantly down-regulated in HIV+ SDE+ patients compared to HIV- SDE+ patients (P < .05). HIV infection confers distinct clinical phenotypes and immune inflammatory mechanisms in SDE. Sustained EBV and CMV activation, unbalanced Th2/Th1 and overactive CD8+ T cells mediating a pro-inflammatory response could act as distinct mechanisms in the aggravation of SDE in HIV+ SDE+ patients.

authors

Tang JT,Li YY,Zhang Y,Liu J,Guan W,Wang RR,He LP,Zhang JB,Kuang YQ

doi

10.1111/1440-1681.13266

subject

Has Abstract

pub_date

2020-06-01 00:00:00

pages

1005-1013

issue

6

eissn

0305-1870

issn

1440-1681

journal_volume

47

pub_type

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