Abstract Title:

Protective effect of Rosa laevigata against amyloid beta peptide-induced oxidative stress.

Abstract Source:

Amyloid. 2006 Mar ;13(1):6-12. PMID: 16690494

Abstract Author(s):

Soo Jung Choi, Mi Jeong Kim, Ho Jin Heo, Hye Kyung Kim, Bumshik Hong, Chang-Ju Kim, Byung-Gee Kim, Dong Hoon Shin

Article Affiliation:

Soo Jung Choi


The amyloid beta (Abeta) peptide is known to increase free radical production in nerve cells, leading to cell death. To investigate the effect of Rosa laevigata against Abeta-induced oxidative damage, in vitro assays and in vivo behavioral tests were performed. R. laevigata showed cell protective effects against oxidative stress-induced cytotoxicity. MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide) reduction assay exhibited significant increase in cell viability when rat pheochromocytoma (PC 12) cells were treated with R. laevigata extracts. Administration of R. laevigata extracts to mice significantly reversed the Abeta-induced learning and memory impairment in in vivo behavioral tests. These results suggest that R. laevigata extracts can reduce the cytotoxicity of Abeta in PC 12 cells, possibly by the reduction of oxidative stress, and these extracts may be useful in the prevention of Alzheimer's disease.

Study Type : Animal Study, In Vitro Study

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