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Experimental study of effect of low power laser on telomere length of cells / 生物医学工程学杂志
Journal of Biomedical Engineering ; (6): 592-596, 2013.
Artículo en Chino | WPRIM | ID: wpr-352203
ABSTRACT
To investigate the effect of low power helium neon laser (He-Ne laser) on the telomere length of human fetal lung diploid fibroblast (2BS) cell, we used the laser (gamma = 632. 8 nm, P = 2 mW) to treat the young 2BS cells. Cell growth and proliferation was observed through MTT method after treating with low power laser. The relative telomere length of 2BS cells was detected by fluorescence real-time quantitative PCR (q-PCR). The results showed that the cells of the treated groups grew better than the untreated groups. The telomere DNA length of the old 2BS cells, treated by low power He-Ne laser when they were young, was longer than that of untreated group. The results of the present study indicated that the low power He-Ne laser might decrease shortening rate of telomere and delay the aging of cells. Therefore, this study provides the experimental basis for us to further investigate the effect of low power laser on cell aging at the gene level.
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Efectos de la Radiación / Línea Celular / Senescencia Celular / Biología Celular / Feto / Homeostasis del Telómero / Fibroblastos / Rayos Láser / Pulmón Límite: Humanos Idioma: Chino Revista: Journal of Biomedical Engineering Año: 2013 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Efectos de la Radiación / Línea Celular / Senescencia Celular / Biología Celular / Feto / Homeostasis del Telómero / Fibroblastos / Rayos Láser / Pulmón Límite: Humanos Idioma: Chino Revista: Journal of Biomedical Engineering Año: 2013 Tipo del documento: Artículo