Gα s 抑制因子

Common Gα s Inhibitors include, but are not limited to SQ 22536 CAS 17318-31-9, NF449 CAS 627034-85-9, NF 023 CAS 104869-31-0, Nobiletin CAS 478-01-3 and MRS 1754 CAS 264622-58-4.

Gαs inhibitors are a class of chemical compounds specifically designed to target and inhibit the function of the Gαs protein, a crucial component of the heterotrimeric G protein complex involved in signal transduction. Gαs, or the G alpha subunit of the stimulatory G protein, plays a pivotal role in mediating cellular responses to extracellular signals, particularly those transmitted through G protein-coupled receptors (GPCRs). Upon activation by a GPCR, Gαs exchanges GDP for GTP and dissociates from the Gβγ subunits, subsequently activating adenylyl cyclase. This activation leads to the conversion of ATP to cyclic AMP (cAMP), a key secondary messenger that regulates numerous cellular processes, including metabolism, gene expression, and cell growth. By inhibiting Gαs, researchers can block the production of cAMP, effectively disrupting the downstream signaling pathways that rely on this molecule.

In research, Gαs inhibitors are valuable tools for dissecting the complex signaling networks mediated by GPCRs and for understanding the specific contributions of Gαs to various cellular functions. By blocking Gαs activity, scientists can explore how the inhibition affects cAMP levels and the subsequent impact on cellular processes such as energy metabolism, hormone regulation, and ion channel activity. These inhibitors allow researchers to investigate the dynamics of G protein signaling, including the interactions between Gαs and its associated receptors, effectors, and regulatory proteins. Additionally, Gαs inhibitors provide insights into the role of Gαs in physiological and pathological conditions where altered cAMP signaling plays a significant role. Through these studies, the use of Gαs inhibitors enhances our understanding of the molecular mechanisms underlying GPCR signaling, the regulation of secondary messengers like cAMP, and the broader implications of G protein function in cellular communication and homeostasis.