Tat-CBD3 is a chemical compound inhibiting the interaction between the N-type voltage-gated calcium channel Cav2.2 and collapsin response mediator protein 2 (CRMP2), as well as the interaction between CRMP2 and the NMDA receptor NR2B subunit. At a concentration of 10 µM, Tat-CBD3 reduces the Cav2.2-CRMP2 interaction by 43% in cell-free assays and impedes the NMDA receptor NR2B subunit-CRMP2 interaction in immunoprecipitation assays. It lowers voltage-induced calcium currents by about 60% in primary rat dorsal root ganglion (DRG) neurons and decreases glutamate-induced cytosolic calcium level rises in primary rat hippocampal neurons. When administered at 20 mg/kg, Tat-CBD3 lessens infarct volume in a rat model of cerebral ischemia following middle cerebral artery occlusion (MCAO). Additionally, intrathecal delivery of Tat-CBD3 at a dose of 20 µg/5 µl mitigates carrageenan-induced thermal hypersensitivity in rats.
Molecular Weight:
3192.74
Formula:
C134H243N59O32.XCF3COOH
T83731
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