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The insulin-like growth factor 1 (IGF-1) receptor is a protein found on the surface of human cells. It is a transmembrane receptor that is activated by a hormone called insulin-like growth factor 1 and by a related hormone called IGF-2. It belongs to the large class of tyrosine kinase receptors. This receptor mediates the effects of IGF-1 ...
The IGF-1 receptor is the "physiological" receptor. IGF-1 binds to it at significantly higher affinity than it binds the insulin receptor. Like the insulin receptor, the IGF-1 receptor is a receptor tyrosine kinase—meaning the receptor signals by causing the addition of a phosphate molecule on particular tyrosines. The IGF-2 receptor only ...
IGF-1 binds to at least two cell surface receptor tyrosine kinases: the IGF-1 receptor (IGF1R), and the insulin receptor. Its primary action is mediated by binding to its specific receptor, IGF1R, which is present on the surface of many cell types in many tissues [further explanation needed]. Binding to the IGF1R initiates intracellular signaling.
Name Brand name Type Source Target Approved Use 3F8: mab: mouse: GD2 ganglioside: ... Programmed death ligand-1 (PD-L1) Y: cutaneous squamous cell carcinoma ...
PD-1 and PD-L1 inhibitors act to inhibit the association of the programmed death-ligand 1 with its receptor, programmed cell death protein 1 (PD-1). The interaction of these cell surface proteins is involved in the suppression of the immune system and occurs following infection to limit the killing of bystander host cells and prevent autoimmune ...
Picropodophyllin is a non-toxic small molecule inhibitor of the insulin-like growth factor-1 receptor (IGF1R). It is a stereoisomer of the molecule podophyllotoxin (PPT) which also acts as an inhibitor of the IGF1R.
Insulin receptor substrate 1 (IRS-1) is a signaling adapter protein that in humans is encoded by the IRS1 gene. [5] It is a 180 kDa protein with amino acid sequence of 1242 residues. [ 6 ] It contains a single pleckstrin homology (PH) domain at the N-terminus and a PTB domain ca. 40 residues downstream of this, followed by a poorly conserved C ...
PD-1 is the transmembrane programmed cell death 1 protein (also called PDCD1 and CD279), which interacts with PD-L1 (PD-1 ligand 1, or CD274). PD-L1 on the cell surface binds to PD-1 on an immune cell surface, which inhibits immune cell activity. Among PD-L1 functions is a key regulatory role on T cell activities. [3] [4] It appears that ...