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extracellular domain, which contains the hormone-binding site and is linked to the transmembrane domain by the hinge

October 2022 "Systolic heart failure (HF) is a chronic clinical syndrome characterized by the reduction in cardiac function and still remains the disease with the highest mortality worldwide. Despite considerable advances in pharmacological treatment, HF represents a severe clinical and social burden. Chronic human HF is characterized by several important neurohormonal perturbations, emanating from both the autonomic nervous system and the adrenal glands. Circulating catecholamines (norepinephrine and epinephrine) and aldosterone elevations are among the salient alterations that confer significant hormonal burden on the already compromised function of the failing heart. This is why sympatholytic treatments (such as β-blockers) and renin-angiotensin system inhibitors or mineralocorticoid receptor antagonists, which block the effects of angiotensin II (AngII) and aldosterone on the failing heart, are part of the mainstay HF pharmacotherapy presently. The adrenal gland plays an important role in the modulation of cardiac neurohormonal stress because it is the source of almost all aldosterone, of all epinephrine, and of a significant amount of norepinephrine reaching the failing myocardium from the blood circulation. Synthesis and release of these hormones in the adrenals is tightly regulated by adrenal G protein-coupled receptors (GPCRs), such as adrenergic receptors and AngII receptors. In this review, we discuss important aspects of adrenal GPCR signaling and regulation, as they pertain to modulation of cardiac function in the context of chronic HF, by focusing on the 2 best studied adrenal GPCR types in that context, adrenergic receptors and AngII receptors (AT 1 Rs). Particular emphasis is given to findings from the past decade and a half that highlight the emerging roles of the GPCR-kinases and the β-arrestins in the adrenals, 2 protein families that regulate the signaling and functioning of GPCRs in all tissues, including the myocardium and the adrenal gland." Read more at the source #DrGPCR #GPCR #IndustryNews

September 2022 Regulator of G Protein Signaling 20 Correlates with Long Intergenic Non-Coding RNA (lincRNAs ; (d) RGS20 was found to be significantly associated with some tumor-related signaling pathways and long

Authors Jie Xiong , Yu-Ting Dai , Wen-Fang Wang , Hao Zhang , Chao-Fu Wang , Tong Yin , Shu Cheng , Hui-Juan Zhong , Shan-He Yu , Lu Jiang , Sheng-Yue Wang , Hai Fang , Rui-Hong Zhang , Yue Zhu , Hong-Mei Yi ,

Authors Peng Kong , Xu Wang , Ya-Kun Gao , Dan-Dan Zhang , Xiao-Fu Huang , Yu Song , Wen-Di Zhang , Rui-Juan

Authors Amos Hong Pheng Loh , Min Thura , Abhishek Gupta , Sheng Hui Tan , Kelvin Kam Yew Kuan , Koon Hwee Ang , Khurshid Merchant , Kenneth Tou En Chang , Hui Yi Yon , Yong Chen , Mathew Hern Wang Cheng