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KMID : 0613820120220010117
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Journal of Life Science
2012 Volume.22 No. 1 p.117 ~ p.125
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Hepatoprotective Effects of Various Enzyme Hydrolysates from Oysters on Tacrine-Induced Toxicity in Human Hepatoma Cells
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Park Hye-Jin
Do Hyung-Joo
Kim Ok-Ju
Kim An-dre
Ha Jong-Myung
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Abstract
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This study investigated the potential hepatoprotective benefits of Crassostrea gigas oyster hydrolysates. Oysters are known to have many biofunctional properties. In particular, oyster enzymatic hydrolysates produce substances with beneficial functions. The potential hepatoprotective effects of C. gigas hydrolysates against damage induced by tacrine were evaluated in vitro in HepG2 cells. Peptides were generated from C. gigas by enzymatic hydrolysis with Neutrase, Flavourzyme, or Protamex enzyme preparations. Tacrine treatment induced considerable cell damage in HepG2 cells, as shown by significant leakage of glutamic oxaloacetic transaminase (GOT) and lactate dehydrogenase (LDH). Cells treated with C. gigas hydrolysates showed an increased resistance to oxidative challenge compared to control cells, as revealed by higher cell survival against tacrine-induced hepatotoxicity. In addition, treatment with C. gigas hydrolysates reduced the leakage of GOT and LDH. These findings indicate that enzyme hydrolysates derived from C. gigas may be of benefit for developing hepatoprotective foods and drugs.
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KEYWORD
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Crassostrea gigas, oyster enzyme hydrolysates, tacrine, hepatoprotective, oligopeptide
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