Protective effects of curcumin on biochemical and molecular changes in sodium arsenite-induced oxidative damage in embryonic fibroblast cells.

08:00 EDT 1st April 2019 | BioPortfolio

Summary of "Protective effects of curcumin on biochemical and molecular changes in sodium arsenite-induced oxidative damage in embryonic fibroblast cells."

The present study was aimed at determining the oxidative damage caused by sodium arsenite in 3T3 fibroblast cells and the possible protective role of curcumin (Cur) against sodium arsenite toxicity. Embryonic fibroblast cells were exposed to sodium arsenite (0.01, 0.1, 1, and 10 μM) in the presence and absence of Cur (2.5 μM) for 24 hours. Cell viability, cytotoxicity, lipid peroxidation, hydroxyl radical, hydrogen peroxide, antioxidant enzymes (superoxide dismutase, catalase, glutathione peroxidase, and glutathione-S-transferase) and expression levels of antioxidant genes (superoxide dismutase, catalase, and glutathione peroxidase) were measured in embryonic fibroblast cells. Results demonstrated that sodium arsenite directly affects antioxidant enzymes and genes in 3T3 embryonic fibroblast cells and induces oxidative damage by increasing the amount of hydrogen peroxide, hydroxyl radical, and lipid peroxidation in the cell. Furthermore, the study indicated that Cur might be a potential ameliorative antioxidant to protect the fibroblast cell toxicity induced by sodium arsenite.


Journal Details

This article was published in the following journal.

Name: Journal of biochemical and molecular toxicology
ISSN: 1099-0461
Pages: e22320


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Medical and Biotech [MESH] Definitions

Efflux pumps that use the energy of ATP hydrolysis to pump arsenite across a membrane. They are primarily found in prokaryotic organisms, where they play a role in protection against excess intracellular levels of arsenite ions.

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Oxidoreductases that specifically reduce arsenate ion to arsenite ion. Reduction of arsenate is a critical step for its biotransformation into a form that can be transported by ARSENITE TRANSPORTING ATPASES or complexed by specific sulfhydryl-containing proteins for the purpose of detoxification (METABOLIC DETOXIFICATION, DRUG). Arsenate reductases require reducing equivalents such as GLUTAREDOXIN or AZURIN.

A reagent commonly used in biochemical studies as a protective agent to prevent the oxidation of SH (thiol) groups and for reducing disulphides to dithiols.

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