Author(s): Hirota S, Isozaki K, Nishida T, Kitamura Y
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Abstract Protooncogene c-kit encodes a receptor tyrosine kinase, KIT. Interstitial cells of Cajal (ICCs) that are important for the autonomous movement of the gastrointestinal tract essentially require the normal function of the KIT for their development. Therefore, germline loss-of-function mutations of the c-kit gene cause deficiency of ICCs that results in disturbed gastrointestinal movement. On the other hand, somatic gain-of-function mutations of the c-kit gene induce gastrointestinal stromal tumors (GIST) that are considered to originate from ICCs. Moreover, germline gain-of-function mutations of the c-kit gene are a cause of familial development of multiple GISTs.
This article was published in J Gastroenterol
and referenced in Journal of Clinical Case Reports