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KRAS (Kirsten rat sarcoma virus) is a gene that provides instructions for making a protein called K-Ras, a part of the RAS/MAPK pathway. The protein relays signals from outside the cell to the cell's nucleus. These signals instruct the cell to grow and divide (proliferate) or to mature and take on specialized functions (differentiate).
Ras, from "Rat sarcoma virus", is a family of related proteins that are expressed in all animal cell lineages and organs. All Ras protein family members belong to a class of protein called small GTPase, and are involved in transmitting signals within cells (cellular signal transduction).
The signal that starts the MAPK/ERK pathway is the binding of extracellular mitogen to a cell surface receptor.This allows a Ras protein (a Small GTPase) to swap a GDP molecule for a GTP molecule, flipping the "on/off switch" of the pathway.
Planegg/Martinsried, September 14, 2024. Medigene AG (Medigene or the “Company”, FSE: MDG1, Prime Standard), an oncology platform company focused on the research and development of T cell receptor (TCR)-guided therapies for the treatment of cancer, presented updates for its T cell receptor (TCR) library targeting the Kirsten rat sarcoma viral oncogene homolog (KRAS) and also highlighted ...
The N-Ras gene specifies two main transcripts of 2 kb and 4.3 kb. The difference between the two transcripts is a simple extension through the termination site of the 2 kb transcript. The N-Ras gene consists of seven exons (-I, I, II, III, IV, V, VI). The smaller 2 kb transcript contains the VIa exon, and the larger 4.3 kb transcript contains ...
Sotorasib, sold under the brand names Lumakras and Lumykras, is an anti-cancer medication used to treat non-small-cell lung cancer. [4] [5] It targets a specific mutation, G12C, in the protein K-Ras encoded by gene KRAS which is responsible for various forms of cancer.
Cardiofaciocutaneous (CFC) syndrome is an extremely rare genetic disorder, and is one of the RASopathies. It was first described in 1986. [2] [3] [4] It is characterized by the following: Distinctive facial appearance; Unusually sparse, brittle, curly scalp hair
Accordingly, genetic testing to confirm the absence of KRAS mutations (and so the presence of the KRAS wild-type gene), is now clinically routine before the start of treatment with EGFR inhibitors. mCRC patients with wild-type KRAS tumors have been shown to benefit from a response rate of over 60% and a decreased risk for progression of over 40 ...
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