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Activin is a dimer composed of two identical or very similar beta subunits. Inhibin is also a dimer wherein the first component is a beta subunit similar or identical to the beta subunit in activin. However, in contrast to activin, the second component of the inhibin dimer is a more distantly-related alpha subunit.
INHBA is a subunit of both activin and inhibin, two closely related glycoproteins with opposing biological effects. Function [ edit ] The inhibin beta A subunit joins the alpha subunit to form a pituitary FSH secretion inhibitor.
The activin type 2 receptors belong to a larger TGF-beta receptor family and modulate signals for transforming growth factor beta ligands. These receptors are involved in a host of physiological processes including, growth , cell differentiation , homeostasis , osteogenesis , apoptosis and many other functions.
ACVR1. Activin A receptor, type I ( ACVR1) is a protein which in humans is encoded by the ACVR1 gene; also known as ALK-2 ( a ctivin receptor- l ike k inase-2). [5] ACVR1 has been linked to the 2q23-24 region of the genome. [6] This protein is important in the bone morphogenic protein (BMP) pathway which is responsible for the development and ...
The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
The TGF beta signaling pathway is involved in a wide range of cellular process and subsequently is very heavily regulated. There are a variety of mechanisms where the pathway is modulated either positively or negatively, including the agonists for ligands and R-SMADs, the decoy receptors, and the ubiquitination of R-SMADs and receptors.
Cardiac physiology. Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.
The Activin type I receptors transduce signals for a variety of members of the Transforming growth factor beta superfamily of ligands. This family of cytokines and hormones include activin, anti-Müllerian hormone (AMH), bone morphogenetic proteins (BMPs), and Nodal. They are involved in a host of physiological processes including, growth, cell ...