MEG is a selective iNOS inhibitor and scavenger of peroxynitrite. The EC50 values for inhibition of iNOS (LPS-treated rat lung), eNOS (bovine endothelial), and nNOS (rat brain) are 11.5, 110, and 60 µM, respectively.1 MEG reacts with peroxynitrite with a second order rate constant of 1,900 M−1s−1 at 37°C.2 MEG has potent anti-inflammatory activity, which may be due to the combined effect of MEG acting as an inhibitor of iNOS and as a scavenger of peroxynitrite.3
1Southan, G.J., Zingarelli, B., O'Connor, M., et al. Spontaneous rearrangement of aminoalkylisothioureas into mercaptoalkylguanidines, a novel class of nitric oxide synthase inhibitors with selectivity towards the inducible isoform. Br J Pharmacol117619-632(1996).
2Szabó, C., Ferrer-Sueta, G., Zingarelli, B., et al. Mercaptoethylguanidine and guanidine inhibitors of nitric-oxide synthase react with peroxynitrite and protect against peroxynitrite-induced oxidative damage. J Biol Chem2729030-9036(1997).
3Cuzzocrea, S., Zingarelli, B., Hake, P., et al. Antiinflammatory effects of mercaptoethylguanidine, a combined inhibitor of nitric oxide synthase and peroxynitrite scavenger, in carrageenan-induced models of inflammation. Free Radic Biol Med24450-459(1998).
[C3H9N3S]2 · H2SO4
A crystalline solid
in continental US; may vary elsewhere
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Cayman Chemical was formed over thirty years ago by demonstrating the value of naturally growing gorgonian corals as a renewable, economically viable source of prostaglandins. Today we operate our business knowing that we owe our start to the renewable resources our environment had provided. As Cayman Chemical continues to grow we consistently evaluate our business processes to ensure we are operating at the highest environmental standards.
Manufacturer, supplier, and vendor of biochemical reagents, assay kits, forensic chemistry standards, antibodies, and proteins for scientific research
Analytical testing services and custom synthesis also available