نتایج جستجو برای: adenomatous polyposis coli apc
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Multiple intestinal neoplasia (Min) mice were originally identified by Moser et al. Min mice have a heterozygous mutation in the tumor suppressor gene, adenomatous polyposis coli (Apc). The APC gene is mutated in familial adenomatous polyposis (FAP). Min mice spontaneously develop intestinal polyps, similar to humans, but mainly in the small intestine. Polyps form as early as approximately 4 we...
The Adenomatous polyposis coli (Apc) gene is mutated in up to 80% of sporadic colorectal cancers. After Apc loss, there is deregulation of the Wnt signaling pathway and transactivation of T-cell factor/leukemia enhancing factor target genes such as C-Myc. This review focuses on recent data highlighting the importance of the C-Myc oncogene and its transcriptional targets in establishing all of t...
objective: colorectal cancer (crc) is one of the most common and aggressive cancers worldwide. the majority of crc cases are sporadic that caused by somatic mutations. the adenomatous polyposis coli (apc; omim 611731) is a tumor suppressor gene of wnt pathway and is frequently mutated in crc cases. this study was designed to investigate the spectrum of apc gene mutations in iranian patients wit...
PURPOSE Hypertrophy and hyperplasia of the retinal pigment epithelium (RPE) is associated with an inherited predisposition to human familial adenomatous polyposis coli, suggesting that expression of the adenomatous polyposis coli (APC) tumor suppressor may regulate RPE proliferation/differentiation. Distinctive APC isoforms exist in different cell types due to alternative splicing of the APC tr...
The gene encoding the adenomatous polyposis coli protein (APC) is mutated in most colon cancers. The major role of APC is thought to be as a scaffold for a protein complex that regulates the phosphorylation and thus degradation of β-catenin in the WNT signalling pathway (Huelsken and Behrens, 2002). However, there is increasing evidence that dysregulation of β-catenin is not the only effect of ...
Colorectal cancer (CRC) is a major cause of cancer-related mortality. A contributing factor to the progression of this disease is sporadic or hereditary mutation of the adenomatous polyposis coli (APC) gene, a negative regulator of the Wnt signalling pathway. Inherited mutations in APC cause the disorder familial adenomatous polyposis (FAP), which leads to CRC development in early adulthood. Ho...
Members of the protein kinase C (PKC) family appear to play important roles in colorectal carcinogenesis. To investigate the potential involvement of PKC isozymes in adenomatous transformation induced by inactivation of the adenomatous polyposis coli (APC) gene product, we examined protein levels and localizations of ten PKC isozymes by immunohistochemistry in normal and adenomatous ileal epith...
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