Activation by ligands of G-protein coupled receptors that interact with the trimeric G-protein alpha-12/beta/gamma causes the exchange of GDP for GTP bound to G protein alpha subunits followed by dissociation of the beta/gamma heterodimers. Free alpha and beta/gamma subunits are active and ...

Adenosine A2B receptor influences cell differentiation and proliferation. A2B receptors are G-protein-coupled receptors coupling to classical second messenger pathways, such as modulation of Cyclic Adenosine 3',5'-phosphate (cAMP) production or the Phospholipase ...

Adenosine is a potent biological mediator that affects numerous cell types including neural cells, platelets, neutrophils and smooth muscle cells. Currently, four adenosine receptor subtypes have been identified: A1, A2A, A2B and A3. Adenosine receptors are G-protein-coupled receptors that ...

Human eosinophils are key effector cells implicated in a number of chronic inflammatory reactions, associated with bronchial asthma, allergic-inflammatory diseases and parasitic infections. Chemoattractants/chemokines, generated at the affected sites, promote migration of eosinophils from vasculature ...

Endothelin-1, a potent endothelium-derived vasoconstrictor peptide, exerts a growth-promoting effect on vascular smooth muscle cells, implicating its pathogenic role in vascular remodeling. Endothelin-1 action is initiated by its binding to Endothelin receptor type A (EDNRA) ...