期刊
JOURNAL OF CROHNS & COLITIS
卷 7, 期 4, 页码 338-341出版社
OXFORD UNIV PRESS
DOI: 10.1016/j.crohns.2013.01.004
关键词
Crohn's; Diet; Incidence; Pathogenesis; Bacterial translocation; Polysorbate; Emulsifier
Crohn's disease (CD) incidence has increased over the past fifty years but the explanation is unclear. CD can be brought into remission by liquid enteral feeding, but the mechanism for this response is unknown. We suggest that consumption of emulsifiers in processed foods may promote CD by increasing bacterial translocation. This is supported by evidence that (i) geographical variation in CD correlates with emulsifier consumption as does the increasing incidence of CD in Japan; (ii) although CD incidence also correlates with fat consumption, the response to enteral feeding is not affected by the fat content of the feed and (iii) very small concentrations of the emulsifier polysorbate 80 enhance bacterial translocation across intestinal epithelia. Undigested emulsifiers may increase bacterial translocation, particularly in the small intestine where the mucus layer is discontinuous. The hypothesis should be testable by trials of enteral feeding with/without emulsifiers. (c) 2013 European Crohn's and Colitis Organisation. Published by Elsevier B.V. All rights reserved.
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