ArticleBMC immunology2026
Inflammatory responses in HIV-1 genetic subtypes in relationship with anti-retroviral drug resistance in Minna, Niger State, North Central Nigeria.
Article in BMC immunology, 2026. 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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Abstract
backgroundThe high genetic diversity of HIV-1, persistent immune activation and rising antiretroviral drug resistance continue to hinder HIV treatment, especially in Sub-Saharan Africa. This study examined inflammatory responses in relation to HIV-1 genetic subtypes and antiretroviral drug (ARVD) resistance among patients experiencing virological failure in Minna, Niger State, Nigeria. METHODOLOGY: A cross-sectional design involved people living with HIV-1 (PLWH-1) on ART with virological failure (defined as repeated viral load ≥ 1000 copies/mL). Plasma levels of IL-6, IL-10, hs-CRP, and TNF-α were assessed as markers of inflammation; CD4 + counts and viral load served as immune and virological indicators. Genotypic analysis targeting the HIV-1 protease and reverse transcriptase regions was performed to identify subtypes and resistance mutations.
resultsHIV-1 subtypes G and CRF02_AG predominated. Subtype G was linked to elevated TNF-α and IL-6 levels and a higher frequency of drug resistance mutations, suggesting subtype-specific polymorphisms and elevated pro-inflammatory markers which correlated with poor treatment outcomes. Co-infections with HBV, HCV, and Mtb were also common, especially among individuals with heightened inflammatory markers and virological failure, complicating disease progression. IL-6, IL-10, hs-CRP, and TNF-α emerged as potential surrogate biomarkers for predicting virological failure and immune reconstitution inflammatory syndrome (IRIS).
conclusionThe findings underscore the importance of integrating inflammatory profiling and genotypic resistance testing to inform clinical decisions and improve ART outcomes. A personalized approach to HIV care, accounting for viral subtype, immune-inflammatory status, and resistance patterns are recommended to enhance treatment efficacy and reduce HIV-related morbidity and mortality in resource-limited settings.
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