Introducción: La determinación de las diferentes subpoblaciones de los linfocitos T en las diversas patologías y el monitoreo postratamiento ayuda a que el médico tome decisiones terapéuticas teniendo como referencia la cinética de los linfocitos T localizados en sangre periférica. Métodos: Se realizó la estandarización de un perfil de moléculas de superficie para la caracterización de subpoblaciones de linfocitos T: naϊve, activados y de memoria, así como las células natural killer o asesinas naturales (CD3− CD56+) en sangre periférica de individuos clínicamente sanos. Resultados: Se identificaron las subpoblaciones de linfocitos: naïve (CD3+, CD4+ o CD8+, CD45RA+, CD62L+, CCR7+), activados (CD3+, CD4+ o CD8+, CD45RA+ o CD45RO+, CD69+ y/o CRTAM+), efectores (CD3+, CD4+ o CD8+, CD45RA+, CD62L−, CCR7−), de memoria central (CD3+, CD4+ o CD8+, CD45RO+, CD62L+, CCR7+) y de memoria efectora (CD3+, CD4+ o CD8+, CD45RO+, CD62L−, CCR7−) en las poblaciones de linfocitos T CD4+ y CD8+. Se integraron los datos obtenidos con estadística descriptiva (valores mínimos, valores máximos, media, mediana). Conclusiones: Este panel será de gran utilidad para monitorear pacientes en quienes se requiera valorar el estado inmunológico desde el punto de vista celular. Particularmente, puede apoyar en el seguimiento de los pacientes en los que se requiera evaluar la reconstitución inmunológica (componente celular de estirpe T).
Background:The knowledge of the participation of different subpopulations of T lymphocytes in various pathologies helps to make therapeutic decisions, having as reference the presence of the different subpopulations of the T lymphocytes associated with the disease. Methods: A profile standardization of surface molecules for the characterization of subpopulations of T cells was conducted: naϊve, activated and memory, as well as natural killer (CD3− CD56+) cells in peripheral blood of clinically healthy individuals. Results: Naïve (CD3+, CD4+ or CD8+, CD45RA+, CD62L+, CCR7+), activated (CD3+, CD4+ or CD8+, CD45RA+ or CD45RO+, CD69+ and/or CRTAM+), effectors (CD3+, CD4+ o CD8+, CD45RA+, CD62L−, CCR7−), central memory (CD3+, CD4+ o CD8+, CD45RO+, CD62L+, CCR7+), memory effectors (CD3+, CD4+ or CD8+, CD62RO+, CD62L−, CCR7−) subpopulations were analyzed by flow cytometry. Descriptive statistics parameters were calculated (minimum values, maximum values, mean values, median). Conclusions: This panel can be very useful for monitoring patients in whom the immunological status from a cellular perspective is needed. Particularly, it can support the follow-up of patients who require an immunological reconstitution (T-cell component) evaluation.
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