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Follicular Dendritic Cells of Lymph Nodes as Human Immunodeficiency Virus/Simian Immunodeficiency Virus Reservoirs and Insights on Cervical Lymph Node
Journal article   Open access   Peer reviewed

Follicular Dendritic Cells of Lymph Nodes as Human Immunodeficiency Virus/Simian Immunodeficiency Virus Reservoirs and Insights on Cervical Lymph Node

Rajnish S Dave, Pooja Jain and Siddappa N Byrareddy
Frontiers in immunology, v 9, pp 805-805
2018
PMID: 29725333
url
https://doi.org/10.3389/fimmu.2018.00805View
Published, Version of Record (VoR)CC BY V4.0 Open

Abstract

Animals Anti-Retroviral Agents - therapeutic use CD4-Positive T-Lymphocytes - virology Dendritic Cells, Follicular - immunology Dendritic Cells, Follicular - virology Disease Reservoirs - virology HIV Infections - drug therapy HIV Infections - immunology HIV-1 - drug effects HIV-1 - physiology Humans Lymph Nodes - cytology Lymph Nodes - virology Lymphatic Vessels Mice Neck Simian Immunodeficiency Virus - physiology Viremia Virus Replication - drug effects
A hallmark feature of follicular dendritic cells (FDCs) within the lymph nodes (LNs) is their ability to retain antigens and virions for a prolonged duration. FDCs in the cervical lymph nodes (CLNs) are particularly relevant in elucidating human immunodeficiency virus (HIV)-1 infection within the cerebrospinal fluid (CSF) draining LNs of the central nervous system. The FDC viral reservoir in both peripheral LN and CLN, like the other HIV reservoirs, contribute to both low-level viremia and viral resurgence upon cessation or failure of combined antiretroviral therapy (cART). Besides prolonged virion retention on FDCs in LNs and CLNs, the suboptimal penetration of cART at these anatomical sites is another factor contributing to establishing and maintaining this viral reservoir. Unlike the FDCs within the peripheral LNs, the CLN FDCs have only recently garnered attention. This interest in CLN FDCs has been driven by detailed characterization of the meningeal lymphatic system. As the CSF drains through the meningeal lymphatics and nasal lymphatics the cribriform plate, CLN FDCs may acquire HIV after capturing them from T cells, antigen-presenting cells, or cell-free virions. In addition, CD4+ T follicular helper cells within the CLNs are productively infected as a result of acquiring the virus from the FDCs. In this review, we outline the underlying mechanisms of viral accumulation on CLN FDCs and its potential impact on viral resurgence or achieving a cure for HIV infection.

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Collaboration types
Domestic collaboration
Web of Science research areas
Immunology
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