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Acta bioquímica clínica latinoamericana
versión impresa ISSN 0325-2957versión On-line ISSN 1851-6114
Resumen
COOKE, Paula María; CAULA, Cinthya y ORSILLES, Miguel Ángel. Apoptosis de neutrófilos en la infección asintomática por Virus de la Inmunodeficiencia Humana. Acta bioquím. clín. latinoam. [online]. 2020, vol.54, n.3, pp.309-320. ISSN 0325-2957.
In recent years it has been determined that neutrophils are highly versatile and sophisticated cells whose functions go far beyond the elimination of microorganisms. In Human Immunodeficiency Virus (HIV) infection, the role of neutrophils is not fully characterized but it is now clear that the relationship between neutrophils and HIV is much more complex than previously thought. The aims of this study were to evaluate the effect of HIV infection on neutrophil cell death and the expression of surface molecules on neutrophils in patients with asymptomatic infection and without antiretroviral treatment (ART). In HIV seropositive patients without antiretroviral therapy there was an increase in the early apoptosis of neutrophils in relation to the control groups. This increased apoptosis does not depend on the activation of the extrinsic or intrinsic pathway. In these patients there was an increase in the expression of TLR2 which, together with the increase of early apoptosis, could be indicative of an activated phenotype of neutrophils. In conclusion, this study provides information on aspects related to the apoptosis of neutrophils in early stages of HIV infection and therefore contributes to a better understanding of the effect of this virus on components of the innate immune response.
Palabras clave : HIV; Neutrophils; Apoptosis; Asymptomatic infection.