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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 ...
Gefitinib is a tyrosine kinase inhibitor that targets the epidermal growth factor receptor, inducing favorable outcomes in patients with non-small cell lung cancers. A common, widespread cancer, non-small cell lung cancer is the cause of death in more people than breast, colorectal, and prostate cancer together. [ 15 ]
Ibrutinib is a potent, irreversible inhibitor of Bruton's tyrosine kinase (BTK). The acrylamide group of ibrutinib forms a covalent bond with the cysteine residue C481 in the BTK active site, leading to sustained inhibition of BTK enzymatic activity. BTK is an important signalling molecule of the B-cell antigen receptor (BCR) pathway, which ...
Bruton's tyrosine kinase is named for Ogden Bruton, who first described XLA in 1952. [10] [40] Later studies in 1993 and 1994 reported the discovery of BTK (initially termed B cell progenitor kinase or BPK) and found that BTK levels are reduced in B cells from XLA patients. [41] [42] [43]
Bcr-Abl tyrosine-kinase inhibitors (TKI) are the first-line therapy for most patients with chronic myelogenous leukemia (CML). More than 90% of CML cases are caused by a chromosomal abnormality that results in the formation of a so-called Philadelphia chromosome.
Inhibitors of tyrosine kinase are mainly used against some specific forms of cancer. Subcategories. This category has the following 2 subcategories, out of 2 total. ...
These inhibitors are used to treat cancers like non-small cell lung cancer, medullary thyroid carcinoma, and some types of colorectal and pancreatic cancer. RET inhibitors fall under the category of the tyrosine kinase inhibitors, which work by inhibiting proteins involved in the abnormal growth of cancer cells. Existing molecules fall in two ...
Lucitanib is a tyrosine kinase activity inhibitor, highly selective for VEGFR types 1-3, FGFR types 1-2 and PDGFR alpha/beta. [17] Tumor types such as breast carcinoma show amplification of fibroblast growth factor related genes. Simultaneous inhibition of VEGF and FGF receptors in FGFR1 dependent tumors could be therapeutically advantageous. [18]
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