首页|Regulatory T cells in inflammatory bowel diseases and colorectal cancer

Regulatory T cells in inflammatory bowel diseases and colorectal cancer

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Regulatory T cells (Tregs) are key elements in immunological self-tolerance.The number of Tregs may alter in both peripheral blood and in colonic mucosa during pathological circumstances.The local cellular,microbiological and cytokine milieu affect immunophenotype and function of Tregs.Forkhead box P3+ Tregs function shows altered properties in inflammatory bowel diseases (IBDs).This alteration of Tregs function can furthermore be observed between Crohn's disease and ulcerative colitis,which may have both clinical and therapeutical consequences.Chronic mucosal inflammation may also influence Tregs function,which together with the intestinal bacterial flora seem to have a supporting role in colitis-associated colorectal carcinogenesis.Tregs have a crucial role in the immunoevasion of cancer cells in sporadic colorectal cancer.Furthermore,their number and phenotype correlate dosely with the clinical outcome of the disease,even if their contribution to carcinogenesis has previously been controversial.Despite knowledge of the clinical relationship between IBD and colitis-associated colon cancer,and the growing number of immunological aspects encompassing sporadic colorectal carcinogenesis,the molecular and cellular links amongst Tregs,regulation of the inflammation,and cancer development are still not well understood.In this paper,we aimed to review the current data surrounding the role of Tregs in the pathogenesis of IBD,colitis-associated colon cancer and sporadic colorectal cancer.

Regulatory T cellsForkhead box P3Inflammatory bowel diseasesColitis-associated colon cancerColorectal cancer

Gy(o)rgyi Müzes、Béla Molnár、Ferenc Sipos

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Department of Internal Medicine, Semmelweis University, 1088 Budapest, Hungary

Molecular Medicine Research Unit, Hungarian Academy of Sciences, 1051 Budapest, Hungary

2012

世界胃肠病学杂志(英文版)
太原消化病研治中心

世界胃肠病学杂志(英文版)

SCI
影响因子:1.001
ISSN:1007-9327
年,卷(期):2012.18(40)
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