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A tyrosine kinase inhibitor (TKI) is a pharmaceutical drug that inhibits tyrosine kinases. Tyrosine kinases are enzymes responsible for the activation of many proteins by signal transduction cascades. The proteins are activated by adding a phosphate group to the protein (phosphorylation), a step that TKIs inhibit. TKIs are typically used as ...
Cancer's response to an inhibitor of tyrosine kinase was assessed in a clinical trial. [15] In this case, Gefitinib is the inhibitor of tyrosine kinase. Incorrect tyrosine kinase function can lead to non-small cell lung cancer. [16]
Imatinib is a 2-phenyl amino pyrimidine derivative that functions as a specific inhibitor of a number of tyrosine kinase enzymes. It occupies the TK active site, leading to a decrease in activity. There are a large number of TK enzymes in the body, including the insulin receptor .
Intedanib is a multiple tyrosine kinase inhibitor and is the first drug to treat idiopathic pulmonary fibrosis. [4] Indol derivatives with 1-NH of 2-indolinone motif that is an H-bond donor, and 2-carbonyl oxygen that acts as an H-bond acceptor, bind with Glu915 and Cys917, respectively.
It is a small molecule tyrosine-kinase inhibitor, targeting vascular endothelial growth factor receptor, fibroblast growth factor receptor and platelet derived growth factor receptor. [5] Ofev was developed by Boehringer Ingelheim.
Its primary mechanism of action is thought to be vascular endothelial growth factor receptor 1–3, c-KIT and PDGFR inhibition, this, in turn, enables it to inhibit angiogenesis (the formation of new blood vessels by tumours). [20] It was also proposed that it might act by inducing autophagy, as some other tyrosine kinase inhibitors, like ...
Nilotinib is a selective Bcr-Abl kinase inhibitor. [13] [18] Nilotinib is 10-30 fold more potent than imatinib in inhibiting activity of the Bcr-Abl tyrosine kinase and proliferation of Bcr-Abl expressing cells. [12] [18] [20] [21] The drug effectively inhibits the auto phosphorylation of Bcr-Abl on Tyr-177 that is involved in CML pathogenesis ...
Nilotinib is a Bcr-Abl tyrosine kinase inhibitor and works by interfering with signalling within the cancer cell. [3] [8] Nilotinib was approved for medical use in the United States in 2007. [3] [8] It is on the World Health Organization's List of Essential Medicines. [9] It is approved as a generic medication. [10]
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