Article ; Online: The autophagy-related protein ATG5 is a central mediator of a non-canonical autophagy pathway hijacked by HIV-1 to weaken the host's response to infection.
2023 Volume 20, Issue 4, Page(s) 973–975
Abstract: Understanding how viruses evade innate defenses to efficiently spread in their hosts is crucial in the fight against infections. In our study, we provided new insights on the first step initiating an LC3C (microtubule associated protein 1 light chain 3 ... ...
Abstract | Understanding how viruses evade innate defenses to efficiently spread in their hosts is crucial in the fight against infections. In our study, we provided new insights on the first step initiating an LC3C (microtubule associated protein 1 light chain 3 gamma)-associated degradative pathway exploited by HIV-1 (human immunodeficiency virus type 1) to overcome the antiviral action of the restriction factor BST2 (bone marrow stromal cell antigen 2)/tetherin. We have uncovered an unsuspected and unconventional function of the autophagy-related protein ATG5 in the recognition and engagement of BST2 molecules trapping viruses at the plasma membrane, and directing them toward this LC3C-associated pathway for degradation. Additionally, we highlighted that HIV-1 uses this LC3C-associated process to attenuate the inflammatory responses triggered by BST2-mediated sensing of viruses. |
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MeSH term(s) | Autophagy/physiology ; HIV-1/physiology ; HIV-1/metabolism ; Humans ; Autophagy-Related Protein 5/metabolism ; HIV Infections/virology ; HIV Infections/metabolism ; HIV Infections/immunology ; Microtubule-Associated Proteins/metabolism ; GPI-Linked Proteins/metabolism ; Antigens, CD/metabolism ; Host-Pathogen Interactions ; Bone Marrow Stromal Antigen 2 |
Chemical Substances | Autophagy-Related Protein 5 ; Microtubule-Associated Proteins ; GPI-Linked Proteins ; BST2 protein, human ; ATG5 protein, human ; Antigens, CD ; Bone Marrow Stromal Antigen 2 |
Language | English |
Publishing date | 2023-07-09 |
Publishing country | United States |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2454135-7 |
ISSN | 1554-8635 ; 1554-8627 |
ISSN (online) | 1554-8635 |
ISSN | 1554-8627 |
DOI | 10.1080/15548627.2023.2232225 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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