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Changes of neutrophil gelatinase associated lipocalin after endoplasmic reticulum stress by thapsigargin in renal tubular epithelial cells / 国际儿科学杂志
International Journal of Pediatrics ; (6): 352-355, 2017.
Artigo em Chinês | WPRIM | ID: wpr-612313
ABSTRACT
Objective To observe the changes of neutrophil gelatinase associated lipocalin,NGAL after endoplasmic reticulum stress by thapsigargin in renal tubular epithelial cells.Methods The renal tubular epithelial cells were treated with thapsigargin to establish the model of endoplasmic reticulum stress (ER group).CHOP and GRP78 expression were detected by Western-blot to confirm endoplasmic reticulum stress in renal tubular epithelial cells by thapsigargin.NGAL expression were detected by Western-blot in ER group and control group(normal renal tubular epithelial cells).Results After treated with 2.5 μmol/L and 5 μmol/L thapsigargin for 4 hours and 8 hours respectively,endoplasmic reticulum stress in the renal tubular epithelial cells were significantly increased comparing with control group (0.585 ± 0.045 to 0.523 ± 0.030;0.785 ± 0.049 to 0.728 ± 0.064),which was approved by the increased expression of CHOP and GRP78 (P < 0.05).The expression of NGAL was significantly increased in ER group (0.567 ± 0.024 to 0.826 ± 0.057,P < 0.05) and it was corresponded with the changes of CHOP and GRP78,which increased significantly with the severity of endoplasmic reticulum stress.Conclusion Endoplasmic reticulum stress can be induced by thapsigargin in renal tubular epithelial cells.The expression of CHOP,GRP78 and NGAL were significantly increased correspondingly with the severity of endoplasmic reticulum stress.It is speculated that the expression of NGAL may be related with endoplasmic reticulum stress in tubular epithelial cells.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: International Journal of Pediatrics Ano de publicação: 2017 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: International Journal of Pediatrics Ano de publicação: 2017 Tipo de documento: Artigo