【摘 要】
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Although cholecystokinin octapeptide-8 is important for neurological function, its neuropro-tective properties remain unclear. We speculated that cholecystokini
【机 构】
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Department of 0phthalmology,Department of Endoscope Room
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Although cholecystokinin octapeptide-8 is important for neurological function, its neuropro-tective properties remain unclear. We speculated that cholecystokinin octapeptide-8 can protect human retinal pigment epithelial cells against oxidative injury. In this study, retinal pigment epithelial cells were treated with peroxynitrite to induce oxidative stress. Peroxynitrite triggered apoptosis in these cells, and increased the expression of Fas-associated death domain, Bax, caspa-se-8 and Bcl-2. These changes were suppressed by treatment with cholecystokinin octapeptide-8. These results suggest that cholecystokinin octapeptide-8 can protect human retinal pigment epi-thelial cells against apoptosis induced by peroxynitrite.
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