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Colorectal carcinogenesis-update and perspectives

World Journal of Gastroenterology 2014年第48期20卷 18151-18164页

作者： hans raskov hans-Christian Pommergaard Jakob Burcharth Jacob Rosenberg Speciall?gecentret ved Diakonissestiftelsen 2000 Frederiksberg Denmark Department of Surgery Herlev Hospital University of Copenhagen DK-2730 Herlev Denmark

Colorectal cancer(CRC)is a very common malignancy in the Western World and despite advances in surgery,chemotherapy and screening,it is still the second leading cause of cancer deaths in this part of the *** factors are found important in the development of CRC including colonocyte metbolism,high risk luminal environment,inflammation,as well as lifestyle factors such as diet,tobacco,and alchohol *** recent years focus has turned towards the genetics and molecular biology of CRC and several interesting and promising correlations and pathways have been *** major genetic pathways of CRC are the Chromosome Instability Pathway representing the pathway of sporadic CRC through the K-ras,APC,and P53 mutations,and the Microsatellite Instability Pathway representing the pathway of he re di t ar y non-polyposis c olon c anc e r t hrough mutations in mismatch repair *** identify early cancers,screening programs have been initiated,and the leading strategy has been the use of faecal occult blood testing followed by colonoscopy in positive *** the treatment of colorectal cancer,significant advances have been made in the recent *** molecular targets of CRC include at least two important cell surface receptors:the epidermal growth factorreceptor and the vascular endothelial growth factor *** genetic and molecular knowledge of CRC has widen the scientific and clinical perspectives of diagnosing and ***,despite significant advances in the understanding and treatment of CRC,results from targeted therapy are still not *** studies will determine the role for this new treatment modality.

关键词： Colorectal carcinogenesis Risk factors Microbiology Genetics Diet Microbiome Inflammation

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