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Dietary Sulfur – Allyl isothiocyanate (Organosulfides) and Liver cancer

Wednesday, January 2, 2013 16:53
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Home of Kyle J. Norton for The Better of Living & Living Health Sulfur represents approximately 1/4% of our total body weight and occurs principally in the body as a constituent of the cysteine and methionine. It plays an important role in protein synthesis and enzyme reaction functions and is found abundantly in broccoli, cauliflower, cabbage, kale, kohlrabi, etc.
I. Organosulfides
Organosulfur compounds present in natural food are generally considered as beneficial for health because of their antioxidant and anticarcinogenic properties. This has led to their excessive and long-term consumption. However, there is also evidence that these compounds demonstrate toxicity and adverse health effects suggesting their potential dual biological roles. Thus, they can act as double-edged biological swords(a).
Allyl isothiocyanate is phytochemical containing sulfur in the class of organosulfur compound, found abundantly in horseradish, mustard, wasabi, etc.
Liver cancer
In the investigation of the possible protective effect of allyl isothiocyanate (AITC) in nitrite- and nitrosamine-treated human hepatoma cells (HepG2) with the evaluation by cytotoxic effects and genotoxic effects determined by the single-cell gel electrophoresis (SCGE), showed that Allyl isothiocyanate treatment enhanced cell viability and reduced intracellular reactive oxygen species (ROS) production in both nitrite- and nitrosamine-treated cells significantly. In SCGE, when compared to untreated control cells, all of the treated groups caused increases in the tail intensity (%) such as nitrite at 17%, N-nitrosodimethylamine (NDMA) at 279%, N-nitrosodiethylamine (NDEA) at 324%, and N-nitrosomorpholine (NMOR) at 288%, according to “Effect of allyl isothiocyanate (AITC) in both nitrite- and nitrosamine-induced cell death, production of reactive oxygen species, and DNA damage by the single-cell gel electrophoresis (SCGE): does it have any protective effect on HepG2 cells?” by Erkekoğlu P, Baydar T.(11).

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Sources
(11) http://www.ncbi.nlm.nih.gov/pubmed/20448263

http://medicaladvisorjournals.blogspot.com



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