The Role of Metallothionein in Oxidative Stress
By B. Ruttkay-Nedecky, L. Nejdl, J. Gumulec, O. Zítka, M. Masařík, T. Eckschlager, M. Stiborová, V. Adam, R. Kizek. International Journal of Molecular Sciences, 2013
804 citations recorded by the source corpus.
Free radicals are chemical particles containing one or more unpaired electrons, which may be part of the molecule. They cause the molecule to become highly reactive. The free radicals are also known to play a dual role in biological systems, as they can be either beneficial or harmful for living systems. It is clear that there are numerous mechanisms participating on the protection of a cell against free radicals. In this review, our attention is paid to metallothioneins (MTs) as small, cysteine-rich and heavy metal-binding proteins, which participate in an array of protective stress responses. The mechanism of the reaction of metallothioneins with oxidants and electrophilic compounds is discussed. Numerous reports indicate that MT protects cells from exposure to oxidants and electrophiles, which react readily with sulfhydryl groups. Moreover, MT plays a key role in regulation of zinc levels and distribution in the intracellular space. The connections between zinc, MT and cancer are highlighted.
Subfields: Health, Toxicology and Mutagenesis, Hematology, Nutrition and Dietetics
View Paper: https://www.semanticscholar.org/paper/f5f7c72ef340d8d2ee8fc3b29d7848616770d2dd
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Citations in the corpus
- Antioxidant and anti-inflammatory effects of zinc. Zinc-dependent NF-κB signaling (2017, background): “They are able to capture a wide range of reactive oxygen species (ROS), including superoxide, hydrogen peroxide, hydroxyl radicals, and nitric oxide (Sato and Kondoh 2002; Ruttkay-Nedecky et al. 2013).”
- Metallothionein-1G Facilitates Sorafenib Resistance through Inhibition of Ferroptosis (2016, background): “MT-1G might regulate depletion of GSH through modulation of GSH biosynthetic enzymes.((45)) Furthermore, ferroptosis inhibitors (but not other cell death inhibitors) reverted the MT-1G knockdown-mediated phenotypes in response to sorafenib and erastin.”
- Mechanistic Basis of Antimicrobial Actions of Silver Nanoparticles (2016, background): “Infectious Grampositive bacteria include Actinomyces, Bacillus, Clostridium, Corynebacterium, Enterococcus, Listeria, Mycobacterium, Nocardia, Staphylococcus, Streptococcus, and Streptomyces.”