Anisodamine inhibits endoplasmic reticulum stress-associated TXNIP/NLRP3 inflammasome activation in rhabdomyolysis-induced acute kidney injury

Yuan, Xiaopeng; Zheng, Yitao; Chen, Chuanbao; Wang, Changxi
December 2017
Apoptosis;Dec2017, Vol. 22 Issue 12, p1524
Academic Journal
Anisodamine protects against free radical-induced cellular damage. This study aimed to investigate the protective effect of anisodamine on rhabdomyolysis-induced acute kidney injury (RIAKI). C57BL/6 J mice, TXNIP and NLRP3 (both were C57BL/6 J background) mice were used to construct RIAKI model. Anisodamine administration was performed on RIAKI mice only. Mice were divided into control, TXNIP-KD (knock down), LNPR3-KD, and anisodamine group (n = 15 in each group). The renal injury, renal function, renal tubular cells apoptosis and expression of Caspase-1, ASC, endoplasmic reticulum (ER) stress markers IRE-1α, CHOP, and ATF4, and interleukin (IL-1α, IL-1β, and IL-18) were detected. The knock down of TXNIP or NLRP3 expression in mice showed protective effect against RIAKI pathogenesis, as compared with the RIAKI mice. The expression of Caspase-1, ASC, and interleukins, renal injury, renal tubular cells apoptosis in TXNIP-KD and LNPR3-KD mice were significantly inhibited in comparison with the RIAKI mice. Moreover, anisodamine treatment reduced expression of ER stress markers IRE-1α, CHOP, and ATF4, TXNIP and NLRP3, as well as ACS, Caspase-1, IL-1α, IL-1β, and IL-18, showing moderate protective effect on the changes of above factors comparing with TXNIP or NLRP3 knock down. This study declared that anisodamine showed protective effect on RIAKI model may by inhibiting ER stress associated TXNIP/NLRP3 inflammasome.


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