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|dc.identifier.citation||VOL 51, 231-241||-|
|dc.description.abstract||Retinal ganglion cells (RGCs) death caused by oxidative stress is a common risk factor for glaucoma. In the present study, 8-hydroxycalamenene was isolated from the hexane fraction of Reynoutria elliptica. We showed that 8-hydroxycalamenene attenuated the cell death of transformed RGC-5 cells. This compound also produced a dose-dependent decrease in the expression of apoptotic proteins (cleaved PARP and caspase- 3) induced by L-buthionine-(S,R)-sulfoximine (BSO) plus glutamate and stimulated glutathione and glutathione S-transferase activity. Moreover, the addition of 8-hydroxycalamenene to cell cultures restored the reduced mitochondrial membrane potential resulting from glutamate/BSO treatment. The presence of N-methyl-D-aspartate in the retina of rats affected the thickness of the inner plexiform layer (IPL) and increased the number of TUNEL-positive RGCs. However, 8-hydroxycalamenene protected against thinning of the IPL and reduced TUNEL-positive cells in the ganglion cell layer. Thus, 8-hydroxycalamenene isolated from R. elliptica exerts neuroprotective effects both in vitro and in vivo.||-|
|dc.publisher||Food and chemical toxicology||-|
|dc.title||8-Hydroxycalamenene isolated from the rhizomes of Reynoutria elliptica exerts neuroprotective effects both in vitro and in vivo||-|
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