Homogenization Model for Aberrant Crypt Foci
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چکیده
منابع مشابه
Homogenization Model for Aberrant Crypt Foci
Several explanations can be found in the literature about the origin of colorectal cancer. There is however some agreement on the fact that the carcinogenic process is a result of several genetic mutations of normal cells. The colon epithelium is characterized by millions of invaginations, very small cavities, called crypts, where most of the cellular activity occurs. It is consensual in the me...
متن کاملAn Homogenization Model for Aberrant Crypt Foci
Several explanations can be found in the literature on how colorectal cancer begins. There is however some agreement on the fact that its carcinogenic process is a result of several genetic mutations of normal cells. The colon epithelium is characterized by millions of invaginations, very small cavities, called crypts, where most of the cellular activity occurs. It is consensual in the medical ...
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Aberrant crypt foci (ACF) are putative precursors of colorectal adenomas and have been postulated as a potential biomarker for colorectal cancer. Few studies have followed subjects after ACF removal to monitor recurrence. Subjects enrolled in the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial were recruited for a study of ACF. A standardized protocol using magnified endoscopy an...
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Foci of aberrant crypts similar to those seen in experimental animals exposed to colon carcinogens have been identified and quantified on the mucosal surface of fixed resections of human colon after methylene blue staining. Many of the foci in humans showed dysplasia on histologic examination and were considered to be microadenoma (MA). These lesions may be precursors for adenomatous polyps and...
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Aberrant crypt foci (ACF) are distinct microscopic lesions of the colon thought to be the earliest identifiable precursors of colon cancer. As precursors of colon cancer, ACF may contain mutations in genes that are altered early in colorectal tumorigenesis. Candidates for these genes include APC, K-Ras, and those of the DNA mismatch repair system. Some colon cancers with mutations in DNA mismat...
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ژورنال
عنوان ژورنال: SIAM Journal on Applied Mathematics
سال: 2016
ISSN: 0036-1399,1095-712X
DOI: 10.1137/140967660