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Protection Against Cold Storage-Induced Renal Tubular Cell Apoptosis (CROSBI ID 229482)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Jain, Swati ; Keys, Daniel ; Galešić Ljubanović, Danica ; Edelstein, Charles L. ; Jani, Alkesh Protection Against Cold Storage-Induced Renal Tubular Cell Apoptosis // Transplantation, 99 (2015), 11; 2311-2316. doi: 10.1097/TP.0000000000000774

Podaci o odgovornosti

Jain, Swati ; Keys, Daniel ; Galešić Ljubanović, Danica ; Edelstein, Charles L. ; Jani, Alkesh

engleski

Protection Against Cold Storage-Induced Renal Tubular Cell Apoptosis

BACKGROUND: Prolonged cold storage (CS) of donor kidneys is associated with tubular cell apoptosis and caspase-3 activation. We have previously shown that pancaspase inhibition prevents CS-associated tubular apoptosis. Because of the nonspecific nature of pancaspase inhibitors, which block all caspases including proinflammatory caspase-1, the effect of specific caspase-3 inhibition during CS is unknown. X-linked inhibitor of apoptosis (XIAP) is the most potent naturally occurring specific inhibitor of caspase-3. We hypothesized that prolonged CS would decrease XIAP, whereas upregulation of XIAP with the novel compound UCF- 101 would protect against caspase-3 activation and tubular cell apoptosis. METHODS: LLC-PK1 tubular cells and whole kidneys from C57BL/6 mice were subjected to prolonged CS with or without UCF-101, and examined for XIAP, caspase-3, and tubular apoptosis. RESULTS: Tubular cells subjected to prolonged CS in vitro demonstrated significantly decreased XIAP and significantly increased apoptosis, caspase-3 protein and activity. UCF-101 treatment significantly increased XIAP, significantly decreased capsase-3 protein and activity, and protected against apoptosis. To determine the therapeutic significance, whole kidneys were subjected to prolonged CS with UCF-101. UCF-101 significantly increased XIAP in donor kidneys and protected against apoptosis. CONCLUSIONS: Prolonged CS of tubular cells in vitro and whole mouse kidneys ex vivo is associated with loss of XIAP and subsequent tubular cell apoptosis. UCF- 101 protects against the loss of XIAP during prolonged CS both in vitro and ex vivo, and is associated with significantly reduced tubular cell apoptosis. UCF-101 may represent an attractive approach to improve organ preservation.

Prolonged cold storage ; Renal Tubular Cell Apoptosis

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Podaci o izdanju

99 (11)

2015.

2311-2316

objavljeno

0041-1337

10.1097/TP.0000000000000774

Povezanost rada

Kliničke medicinske znanosti

Poveznice
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