ArticleFrontiers in immunology2025
Plasma lipidomic alterations during pathogenic SIV infection with and without antiretroviral therapy.
Article in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Impact of a factor Xa inhibitor (apixaban) on SIV pathogenesis and response to antiretroviral therapy.JCI insight · 2026Article
- Article
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11 authors.
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Abstract
Introduction: Lipid profiles change in human immunodeficiency virus (HIV) infection and correlate with inflammation. Lipidomic alterations are impacted by multiple non-HIV-related behavioral risk factors; thus, use of animal models in which these behavioral factors are controlled may inform on the specific lipid changes induced by simian immunodeficiency virus (SIV) infection and/or antiretroviral therapy (ART). Methods: Using ultrahigh Performance Liquid Chromatography-Tandem Mass Spectroscopy, we assessed and compared (ANOVA) longitudinal lipid changes in naïve and ART-treated SIV-infected pigtailed macaques (PTMs). Key parameters of infection (IL-6, TNFa, D-dimer, CRP and CD4 Results: Sphingomyelins (SM) and lactosylceramides (LCER) increased during acute infection, returning to baseline during chronic infection; Hexosylceramides (HCER) increased throughout infection, being normalized with prolonged ART; Phosphatidylinositols (PI) and lysophosphatidylcholines (LPC) decreased with SIV infection and did not return to normal with ART; Phosphatidylethanolamines (PE), lysophosphatidylethanolamines (LPE) and phosphatidylcholines (PC) were unchanged by SIV infection, yet significantly decreased throughout ART. Specific lipid species (SLS) were also substantially modified by SIV and/or ART in most lipid classes. In conclusion, using a metabolically controlled model, we identified specific lipidomics signatures of SIV infection and/or ART, some of which were similar to people living with HIV (PWH). Many SLS were identical to those involved in development of organ dysfunctions encountered in virally suppressed individuals. Lipid changes also correlated with markers of disease progression, inflammation and coagulation. Discussion: Our data suggest that lipidomic profile alterations contribute to residual systemic inflammation and comorbidities seen in HIV/SIV infections and therefore may be used as biomarkers of SIV/HIV comorbidities. Further exploration into the benefits of interventions targeting dyslipidemia is needed for the prevention HIV-related comorbidities.
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