Fumitremorgin-type alkaloid. Tremorgenic neurotoxic mycotoxin. Selective blocker of KCa1.1 (high-conductance Ca2+-activated K+; BK; maxi-K) channels. Decreases GABA levels in CNS. Increases spontaneous glutamate and aspartate release. At toxic doses, increases the number and decreases the affinity of DHP receptors in rat cortex. Cell cycle inhibitor at the M phase. Inhibits calmodulin and PKC activity. Has apoptotic effects on human T lymphocytes. Stimulates the growth of seedling roots of buckwheat.Source:Aspergillus fumigatus.Solubility:Soluble in DMSO, 100% ethanol, methanol or dichloromethane. Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
