Abstract
HIV-1 elite controllers (EC) are a rare but heterogeneous group of HIV-1-infected individuals who are able to suppress viral replication in the absence of antiretroviral therapy. The mechanisms of how EC achieve undetectable viral loads remain unclear. This study aimed to investigate host plasma metabolomics and targeted plasma proteomics in a Swedish HIV-1 cohortincluding EC and treatment-naive viremic progressors (VP) as well as HIV-negative individuals (HC) to get insights into mechanisms governing EC status. Metabolites belonging to antioxidant defense had higher levels in EC relative to VP while inflammation markers were increased in VP compared to EC. Only four plasma proteins (CCL4, CCL7, CCL20, and NOS3) were increased in EC compared to HC and CCL20/CCR6 axis can play important role. Our study suggests that lowlevelinflammation and oxidative stress at physiological levels could be important factors contributing to control of viral replication.
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