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Intestine Ischemia/reperfusion Induces ER Stress and Apoptosis in Miniature Pigs
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논문 기본 정보

Type
Academic journal
Author
Jae-Cheong Lim (전남대학교) Ho-Jae Han (전남대학교) Soo-Hyun Park (전남대학교)
Journal
The Korean Society For Biomedical Laboratory Sciences Biomedical Science Letters Vol.16 No.4 KCI Accredited Journals
Published
2010.12
Pages
359 - 363 (5page)

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Intestine Ischemia/reperfusion Induces ER Stress and Apoptosis in Miniature Pigs
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The miniature pig is a very suitable donor species in xenotransplantation of human organs. Intestine ischemia/ reperfusion (I/R) is associated with high morbidity and mortality. Endoplasmic reticulum (ER) stress and apoptosis has been associated with the onset of diverse diseases. Thus, we examined the effect of intestine I/R on the expression of ER stress and apotptosis related molecules. In the present study, I/R induced phosphorylation of protein kinase-like endoplasmic reticulum kinase (PERK), IRE, and ATF-4. I/R also increased the expression of the proapoptotic transcription factor CAAT/enhancer-binding protein homologous protein (CHOP). In addition, I/R decreased the expression of Bcl-2, but increased the expression of Bax, cleaved PARP, and cleaved caspase-3. Moreover, I/R increased splicing form of XBP-1 mRNA and the expression of caspase-6 and caspase-3 mRNA. In conclusion, intestine I/R induced ER stress and apoptosis in miniature pig.

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