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The insulin-like growth factor-1 receptor (IGF1-R) is a cellular receptor overexpressed in many tumor cell lines and in some human tumors that seems to play a critical role in transformation, tumorigenicity, and metastasis. To date, a comprehensive evaluation of tissue distribution of IGF1-R in human carcinomas from different anatomical sites has been lacking. Using stage-oriented human cancer tissue...
Recent studies have suggested that the presence of a c-Kit/c-Kit ligand autocrine loop may be an important regulator of proliferation and progression of human colorectal cancer, capable of affecting the prognosis of these patients. If present, the c-Kit alteration may provide a suitable target for therapy, similar to what has been observed in gastrointestinal stromal tumors. To determine the incidence...
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