Anti-beta 2 Adrenergic Receptor (phospho S346) antibody

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

The beta 2 adrenergic receptor (also known as beta-2 adrenergic receptor B2 adrenergic receptor beta-2 receptor) is a transmembrane protein that acts as a receptor for catecholamines like adrenaline and noradrenaline. It belongs to the G protein-coupled receptors (GPCRs) superfamily and is involved in signal transduction by activating adenylate cyclase through the Gs protein. The mass of the beta 2 adrenergic receptor is approximately 46 kDa. This receptor is expressed in various tissues including the lungs skeletal muscle liver and smooth muscle.

Biological function summary

The beta 2 adrenergic receptor is important for mediating the physiological responses to adrenaline and noradrenaline. It plays a significant role in bronchodilation and vasodilation by relaxing airway and vascular smooth muscles. While it does not form a part of any complex its signaling initiates a cascade of intracellular events leading to changes in cellular function. This receptor ensures tissue responsiveness to catecholamines influencing cardiac output metabolic rate and smooth muscle relaxation.

Pathways

This receptor is an important component of the adrenergic signaling pathway and is closely associated with the cAMP-dependent signaling pathway. The activation of the beta 2 adrenergic receptor increases intracellular cAMP levels resulting in the activation of protein kinase A (PKA) and subsequent phosphorylation of various target proteins. The receptor interacts with other proteins within these pathways such as adenylate cyclase and PKA ensuring the propagation of downstream signaling that modulates cellular responses.

The beta 2 adrenergic receptor has a notable connection to asthma and chronic obstructive pulmonary disease (COPD). Its role in bronchodilation makes it a therapeutic target for managing these respiratory conditions. Alterations in the function or expression of the beta 2 adrenergic receptor can exacerbate these diseases. Additionally these disorders demonstrate a link with the muscarinic acetylcholine receptors which also affect airway tone regulation. Understanding the interactions between these receptors is essential for developing therapeutic strategies for respiratory diseases.