WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
Permanent URI for this collectionhttps://hdl.handle.net/11147/7150
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Editorial Citation - WoS: 8Citation - Scopus: 9Kras(g12c) Inhibitors on the Horizon(Future Science, 2019) Çağır, Ali; Azmi, Asfar S.RAS proteins (the four isoforms KRAS4A, KRAS4B, NRAS and HRAS encoded by three genes KRAS, NRAS and HRAS) act as molecular switches that when activated drive several key cellular processes such as cell growth, proliferation and survival [1]. In normal cells, RAS activity is under tight control by the precise activation (binding to GTP) and inactivation (GTP hydrolysis to GDP) [1]. As with other critical proteins, it is not at all surprising to note that the gene encoding the RAS protein isoforms is found mutated or altered in a significant proportion of tumors [2]. Mutant RAS loses its ability to hydrolyze GTP and remains in a permanently activated state (bound to GTP) leading to uncontrolled growth.Conference Object A Novel Inhibitor for Krasg12c Mutant Lung Carcinoma(International Association for the Study of Lung Cancer, 2020) Khan, H. Y.; Li, Y.; Aboukameel, A.; Mpilla, G.; Sexton, R.; Kanbur, Tuğçe; Nagasaka, M.; Çetinkaya, Hakkı; Çağır, AliMutations in KRAS are among the most common aberrations in cancer. However, despite considerable research efforts, KRAS remains a challenging therapeutic target. In recent years, there has been a drive to develop KRAS mutant specific drugs. Among the different known mutations, the KRASG12C (glycine 12 to cysteine) has been considered druggable. Studies have shown that due in part to the close proximity of Cysteine 12 to both the nucleotide pocket and the switch regions, thiol-reactive compounds can bind to the active site covalently and inhibit KRASG12C mutation-driven signaling. The absence of this particular cysteine residue in wild-type KRAS makes such an approach very selective towards cancer cells.
