Rp-8-CPT-cAMPS sodium, a cAMP analog, is a potent and competitive antagonist of cAMP-induced activation of cAMP-dependentPKAIandII. Rp-8-CPT-cAMPS sodium preferentially selects site A of RI compares to site A of RII and site B of RII compares to site B of RI^[1][2].

PKA^[1]

Rp-8-CPT-cAMPS (100 μM; 15 min) blocks phosphorylation of VASP by 6-Bnz-cAMP and largely reduces VASP phosphorylation by forskolin and fenoterol^[2].
Rp-8-CPT-cAMPS (100 μM; 30 min) reduces GTP-loading of Rap1 by both 8-pCPT-2'-O-Me-cAMP and 6-Bnz-cAMP^[2].
Rp-8-CPT-cAMPS (100 μM; 30 min) largely diminishes the augmentation of bradykinin-induced IL-8 release by the PKA activator 6-Bnz-cAMP and the Epac activator 8-pCPT-2'-O-Me-cAMP^[2].
Rp-8-CPT-cAMPS (10 μM) inhibits the endothelium-dependent and -independent relaxation which induced by Venom in pre-contracted rat mesenteric artery rings^[3].

509.86

C₁₆H₁₄ClN₅NaO₅PS₂

221905-35-7

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Please store the product under the recommended conditions in the Certificate of Analysis.