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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 ...
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.
Tyrosine kinase activity in the nucleus involves cell-cycle control and properties of transcription factors. [3] In this way, in fact, tyrosine kinase activity is involved in mitogenesis, or the induction of mitosis in a cell; proteins in the cytosol and proteins in the nucleus are phosphorylated at tyrosine residues during this process. [3]
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 ...
Entrectinib is a selective tyrosine kinase inhibitor with specificity, at low nanomolar concentrations, for all of three Trk proteins (encoded by the NTRK1, 2, and 3 genes, respectively) as well as the ROS1, and ALK receptor tyrosine kinases. [24]
ALK inhibitors are anti-cancer drugs that act on tumours with variations of anaplastic lymphoma kinase (ALK) such as an EML4-ALK translocation. [1] They fall under the category of tyrosine kinase inhibitors , which work by inhibiting proteins involved in the abnormal growth of tumour cells.
Regorafenib, sold under the brand name Stivarga among others, is an oral multi-kinase inhibitor developed by Bayer which targets angiogenic, stromal and oncogenic receptor tyrosine kinase (RTK). Regorafenib shows anti- angiogenic activity due to its dual targeted VEGFR2-TIE2 tyrosine kinase inhibition.
Tivozanib, sold under the brand name Fotivda, is a medication used for the treatment of advanced renal cell carcinoma (kidney cancer). [3] It is an oral VEGF receptor tyrosine kinase inhibitor.