Ionomycin free acid
Chemical Name: (4R,6S,8S,10Z,12R,14R,16E,18R,19R,20S,21S)-11,19,21-Trihydroxy-4,6,8,12,14,18,20-heptamethyl-22-[(2S,2'R,5S,5'S)-octahydro-5'-[(1R)-1-hydroxyethyl]-2,5'-dimethyl[2,2'-bifuran]-5-yl]-9-oxo-10,16-docosadienoic acid
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Characterization of ionomycin as a calcium ionophore.
Liu and Hermann
Cation transport and specificity of ionomycin. Comparison with ionophore A23187 in rat liver mitochondria.
Kaufmann et al.
Ionomycin causes activation of p38 and p42/44 mitogen-activated protein kinases in human neutrophils.
Elzi et al.
Am.J.Physiol.Cell Physiol., 2001;281:C350
Citation for Ionomycin free acid
The citations listed below are publications that use Tocris products. Selected citations for Ionomycin free acid include:
1 Citation: Showing 1 - 1
Manipulation of Gut Microbiota Influences Immune Responses, Axon Preservation, and Motor Disability in a Model of Progressive Multiple Sclerosis.
Authors: Mestre Et al.
Front Immunol 2019;10:1374
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HEK293 cells were loaded with 1 µM intracellular Ca2+ sensitive dye, Fura-2AM in normal tyrode solution for 30 min in dark, washed, and left to equilibrate for 15 min. Fura2-loaded cells were excited alternately at 340 and 380 nm and the fluorescence at 510 nm was expressed as 340/380 ratio to indicate intracellular Ca2+ levels. Application of 1 µM ionomycin in Ca2+-free tyrode solution released Ca2+ from intracellular stores, manifested as a transient peak in fluorescence ratio.
Ionomycin was used as a calcium ionophore to bring large amounts of extracellular Ca2+ into activated CD8+ T-cells. With high intracellular Ca2+, this led to increased activation of CD8+ T-cells as measured by IFNg production via intracellular flow cytometry.