Testing for KIT (CD117) in Gastrointestinal Stromal Tumors
نویسندگان
چکیده
منابع مشابه
The significance of KIT (CD117) in gastrointestinal stromal tumors.
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متن کاملFrequent KIT Mutations in Human Gastrointestinal Stromal Tumors
Identifying gene mutations in individual tumors is critical to improve the efficacy of cancer therapy by matching targeted drugs to specific mutations. Gastrointestinal stromal tumors (GIST) are stromal or mesenchymal subepithelial neoplasms affecting the gastrointestinal tract and frequently contain activating gene mutations in either KIT or platelet-derived growth factor A (PDGFRA). Although ...
متن کاملC-kit gene mutation in human gastrointestinal stromal tumors.
AIM To investigate the significance of c-kit gene mutation in gastrointestinal stromal tumors (GIST). METHODS Fifty two cases of GIST and 28 cases of other tumors were examined. DNA samples were extracted from paraffin sections and fresh blocks. Exons 11, 9 and 13 of the c-kit gene were amplified by PCR and sequenced. RESULTS Mutations of exon 11 were found in 14 of 25 malignant GISTs (56%)...
متن کاملMotesanib inhibits Kit mutations associated with gastrointestinal stromal tumors
BACKGROUND Activating mutations in Kit receptor tyrosine kinase or the related platelet-derived growth factor receptor (PDGFR) play an important role in the pathogenesis of gastrointestinal stromal tumors (GIST). METHODS This study investigated the activity of motesanib, an inhibitor of vascular endothelial growth factor receptors (VEGFR) 1, 2, and 3; PDGFR; and Kit, against primary activatin...
متن کاملKIT activation is a ubiquitous feature of gastrointestinal stromal tumors.
Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract, and they are generally resistant to chemotherapy and radiation therapy. Most GISTs express the KIT receptor tyrosine kinase protein, and a subset of GISTs contain activating mutations within the KIT juxtamembrane region. We evaluated 48 GISTs, including 10 benign, 10 borderline, and 28 ...
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ژورنال
عنوان ژورنال: American Journal of Clinical Pathology
سال: 2002
ISSN: 0002-9173,1943-7722
DOI: 10.1309/u1j7-avtm-kv80-mtng