| 1 | Effect of Recql5 deficiency on the intestinal tumor susceptibility of Apc^(min) mice显示文摘AIM:To investigate whether Recql5,a DNA helicase that plays an important role in the maintenance of genome integrity,is a tumor suppressor in the gastrointestinal tract in mice.METHODS:We generated cohorts of both Recql5-proficient and Recql5-deficient Apcmin/+mice and compared the tumor susceptibility in their gastrointestinal tracts.RESULTS:Recql5 deficiency in Apcmin/+mice resulted in a significant increase in the tumor incidence in both the colon(P=0.0162)and the small intestine(P<0.01).These findings have provided the first genetic evidence for a tumor suppression role of Recql5 in the gastrointestinal tract of mice.Importantly,since mouse Recql5 and human RECQL5 are highly conserved,these findings also suggest that RECQL5 may be a tu-mor suppressor for human colon cancer.CONCLUSION:Recql5 has a tumor suppression role in the mouse gastrointestinal tract. | Yiduo Hu,Xincheng Lu,Guangbin Luo,Department of Genetics,Case Comprehensive Cancer Center and University Hospitals of Cleveland,Case Western Reserve University,Cleveland,OH 44106,United States Yiduo Hu,Department of Cancer Biology,Dana-Farber Cancer Institute,Boston,MA 02115,United States | 2010 | World Journal of Gastroenterology2010，16，12： | 6 |
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