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Involvement of Neutrophil Hyporesponse and the Role of Toll-Like Receptors in Human Immunodeficiency Virus 1 Protection

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ID Minciencias: ART-0000161500-14
Ranking: ART-ART_A1

Abstract:

Objectives Neutrophils contribute to pathogen clearance through pattern recognition receptors (PRRs) activation. However, the role of PRRs in neutrophils in both HIV-1-infected [HIV-1(+)] and HIV-1-exposed seronegative individuals (HESN) is unknown. Here, a study was carried out to evaluate the level of PRR mRNAs and cytokines produced after activation of neutrophils from HIV-1(+), HESN and healthy donors. Methods The neutrophils were stimulated with specific agonists for TLR2, TLR4 and TLR9 in the presence of HIV-1 particles. Pro-inflammatory cytokine production, expression of neutrophil activation markers and reactive oxygen species (ROS) production were analyzed in neutrophils from HESN, HIV-1(+) and healthy donors (controls). Results We found that neutrophils from HESN presented reduced expression of PRR mRNAs (TLR4, TLR9, NOD1, NOD2, NLRC4 and RIG-I) and reduced expression of cytokine mRNAs (IL-1β, IL-6, IL-18, TNF-α and TGF-β). Moreover, neutrophils from HESN were less sensitive to stimulation through TLR4. Furthermore, neutrophils from HESN challenged with HIV-1 and stimulated with TLR2 and TLR4 agonists, produced significantly lower levels of reactive oxygen species, versus HIV-1(+). Conclusions A differential pattern of PRR expression and release of innate immune factors in neutrophils from HESN is evident. Our results suggest that lower neutrophil activation can be involved in protection against HIV-1 infection.

Tópico:

HIV Research and Treatment

Citaciones:

Citations: 21
21

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Paperbuzz Score: 0
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Información de la Fuente:

SCImago Journal & Country Rank
FuentePLoS ONE
Cuartil año de publicaciónNo disponible
Volumen10
Issue3
Páginase0119844 - e0119844
pISSNNo disponible
ISSNNo disponible

Enlaces e Identificadores:

Scienti ID0000161500-14Scienti ID0000283088-130Minciencias IDART-0000161500-14
Open_access URLhttps://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0119844&type=printablePmid URLhttps://pubmed.ncbi.nlm.nih.gov/25785697Uri URLhttps://hdl.handle.net/20.500.12494/49617
Oaipmh URLhttps://bibliotecadigital.udea.edu.co/oai/request?verb=GetRecord&metadataPrefix=dim&identifier=oai:bibliotecadigital.udea.edu.co:10495/10751Oaipmh URLhttps://repository.ucc.edu.co/server/oai/request?verb=GetRecord&metadataPrefix=dim&identifier=oai:repository.ucc.edu.co:20.500.12494/49617Pmcid URLhttps://www.ncbi.nlm.nih.gov/pmc/articles/4364960
Doi URLhttps://doi.org/10.1371/journal.pone.0119844Dspace URLhttps://repository.ucc.edu.co/handle/20.500.12494/970Uri URLhttps://hdl.handle.net/20.500.12494/970
Scienti URLhttp://journals.plos.org/plosone/s/submit-nowPdf URLhttps://journals.plos.org/plosone/article?id=10.1371/journal.pone.0119844Uri URLhttps://hdl.handle.net/20.500.12494/41893
Dspace URLhttps://repository.ucc.edu.co/handle/20.500.12494/49617Oaipmh URLhttps://repository.ucc.edu.co/server/oai/request?verb=GetRecord&metadataPrefix=dim&identifier=oai:repository.ucc.edu.co:20.500.12494/41893Scholar citations URLhttps://scholar.google.com/scholar?cites=7226622238542105048&as_sdt=2005&sciodt=0,5&hl=en
Uri URLhttp://hdl.handle.net/10495/10751Openalex URLhttps://openalex.org/W2133231058Scholar URLhttps://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=info%3A2Ik9PqMeSmQJ%3Ascholar.google.com&btnG=
Dspace URLhttps://bibliotecadigital.udea.edu.co/handle/10495/10751Dspace URLhttps://repository.ucc.edu.co/handle/20.500.12494/41893Oaipmh URLhttps://repository.ucc.edu.co/server/oai/request?verb=GetRecord&metadataPrefix=dim&identifier=oai:repository.ucc.edu.co:20.500.12494/970
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