ArticleMemorias do Instituto Oswaldo Cruz2024
HSV1-induced enhancement of productive HIV-1 replication is associated with interferon pathway downregulation in human macrophages.
Article in Memorias do Instituto Oswaldo Cruz, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Novel Hsp90 inhibitor JD‑02 inhibits HSV‑1 infection via the Raf/MEK/ERK signaling pathway.International journal of molecular medicine · 2026Article
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundHerpesviruses are common co-pathogens in individuals infected with human immunodeficiency virus (HIV). Herpes simplex virus type 1 (HSV1) enhances HIV-1 replication and has evolved mechanisms to evade or disrupt host innate immune responses, including interference with interferon (IFN) signalling pathways.
objectivesThe aimed of this work was evaluated whether it HSV1 affects HIV-1 replication through the modulation of the IFN pathway in human macrophages.
methodsCo-infections with HSV1 and HIV-1 were performed in monocyte-derived human macrophages (hMDMs). The production of infectious HIV-1 and HSV-1 was monitored 48 h post-coinfection. Additionally, mRNA and protein expression levels of interferon-stimulated genes (ISGs) were evaluated in both HIV-1-HSV1 coinfections and HSV1 mono-infections.
findingsThe HSV1 coinfection increasing the HIV-1 productive replication, following of downregulation of interferon-alpha (IFN-α) and interferon-induced transmembrane protein 3 (IFITM3) expression in hMDMs. Acyclovir treatment, in a dose-dependent manner, mitigated HSV1's ability to decrease IFITM3 levels. Knockdown of HSV1 Us11 and virion host shutoff (VHS) genes reactivated the IFN pathway, evidenced by restored IFITM3 expression and activation of eIF2-α and PKR. This knockdown also returned HIV-1 replication to baseline levels. MAIN
conclusionsOur data suggested that HSV1 increases HIV-1 replication in human macrophages is associated with the downregulating interferon pathways and ISGs expression.
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