Abstract:
:Ganoderma lucidum polysaccharide peptide (GLPP) scavenges oxygen free radicals that are a key factor in the pathogenesis of renal ischemia reperfusion injury (RIRI). The aim of this study was to determine whether GLPP could attenuate RIRI by counteracting the oxidative stress. The mechanism involved was assessed by an in vivo mouse RIRI model and an in vitro hypoxia/reoxygenation model, and tunicamycin-stimulated NRK-52E cells were used to explore the GLPP-mediated alleviation of ER stress. Experimental results showed that renal dysfunction and morphological damage were reduced in GLPP-treated group. The imbalance of redox status was reversed and production of ROS was reduced by GLPP. RIRI-induced mitochondrial- and ER stress-dependent apoptosis were dramatically inhibited in GLPP-treated group. Intriguingly, JNK activation in the kidney with RIRI or hypoxia/reoxygenation was inhibited by GLPP. These results suggest that the protective effect of GLPP against RIRI may be due to reducing oxidative stress, alleviating the mitochondrial and ER stress-dependent apoptosis caused by excessive ROS.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Zhong D,Wang H,Liu M,Li X,Huang M,Zhou H,Lin S,Lin Z,Yang Bdoi
10.1038/srep16910subject
Has Abstractpub_date
2015-11-25 00:00:00pages
16910issn
2045-2322pii
srep16910journal_volume
5pub_type
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