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Análisis de la localización, dinámica intracelular y producción de O2 - por el sistema NADPH oxidasa de las células fagocíticas

Authors: Arias Sierra, Andrés Augusto; Rugeles López, María Teresa; Matute, Juan; Patiño Grajales, Pablo Javier;

Análisis de la localización, dinámica intracelular y producción de O2 - por el sistema NADPH oxidasa de las células fagocíticas

Abstract

RESUMEN: El sistema NADPH oxidasa, un sistema encargado de producir anión superóxido (O2 -) en las células fagocíticas, está formado por las proteínas: gp91 phox, p22 phox, p47 phox, p67 phox, p40 phox y la proteína Rac. Las células COS-7, una línea celular de riñón de simio, que expresa endógenamente Rac1, y que por transfección estable expresan gp91 phox, p47 phox y p22 phox, pueden ser cotransfectadas adicionalmente con vectores episomales pGFP-N3, pEGFP-C1 y pCDNA3.1zeo (+) que contengan el cDNA tipo silvestre y mutante de la proteína p67 phox obtenidos por mutagénesis sitio-dirigida. Estos vectores contienen el gen de la proteína verde fluorescente (GFP), útil para explorar la localización intracelular y la dinámica de los componentes del sistema oxidasa. Después de la cotransfección, se estimulan las células con PMA y se determina la producción de O2 - y la señal de fluorescencia generada por GFP de forma directa en células vivas por microscopía confocal.

Country
Colombia
Keywords

Phagocytes, NADPH Oxidasas, Enfermedad Granulomatosa Crónica, NADPH Oxidases, Granulomatous Disease, Fagocitos, Chronic, Granulomatous Disease, Chronic

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green