Frequently Asked Questions Live Chat and Frequently Asked Questions are available for this Product. Analysis Note Tested for inhibition of interleukin-2 production by Jurkat cells. Biochem/physiol Actions Cell-permeable diterpenoid that possesses anti-hypertensive, positive inotropic, and adenylyl cyclase activating properties. Many of its biological effects are due to its activation of adenylyl cyclase and the resulting increase in intracellular cAMP concentration.1 Forskolin effects calcium currents and inhibits MAP kinase.