ArticleInternational journal of ophthalmology2014
Mitochondrial proteomic analysis of ecdysterone protection against oxidative damage in human lens epithelial cells.
Article in International journal of ophthalmology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- Anti-tumor Effect ofFrontiers in pharmacology · 2017Article
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8 authors at 1 institution in 1 country.
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Abstract
aimTo investigate the protective effects of the natural medicinal monomer ecdysterone (ECR) with estrogenic activity against oxidative damage in human lens epithelial cells B3 (HLE-B3) caused by hydrogen peroxide 21(H2O2) and to pursue the possible mitochondrial proteomic regularity of the protective effects.
methodsHLE-B3 cells were treated with H2O2 (300µmol/L), β-estuarial (E2; 10(-8)mol/L) and H2O2, ECR (10(-6)mol/L) and H2O2, or left untreated. Altered expression of all mitochondrial proteins was analyzed by protein array and surface-enhanced laser desorption ionization time of flight mass spectrometry (SELDI-TOF-MS). The mass/charge (M/Z) ratios of each peak were tested by the Kruskal-Wallis rank sum test, and the protein peak value of the M/Z ratio for each treatment by pair comparison was analyzed with the Nemenyi test.
resultsH2O2 up-regulated expression of two protein spots (with M/Z of 6 532 and 6 809). When E2 mitigated the oxidative damage, the expression of one protein spot (M/Z 6 532) was down-regulated. In contrast, ECR down-regulated both of protein spots (M/Z 6 532 and 6 809).
conclusionECR could effectively inhibite H2O2 induced oxidative damage in HLE-B3 cells. The protein spot at M/Z of 6 532 might be the target spot of ECR against oxidative damage induced by H2O2.
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