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Curr Opin Clin Nutr Metab Care. 2004 Sep;7(5):563-7.

The butyrate story: old wine in new bottles?

Author information

1
Division of Gastroenterology, Department of Medicine, University of Wuerzburg, Josef-Schneider-Strasse 2, D-97080 Wuerzburg, Germany. scheppach_w@klinik.uni-wuerzburg.de

Abstract

PURPOSE OF REVIEW:

Short-chain fatty acids are important end products of bacterial carbohydrate fermentation in the colon. In particular, n-butyrate is thought to play a regulatory role in the maintenance of a physiological environment. Disturbances in the interplay between the microflora and the lining epithelium may lead to mucosal inflammation and promote carcinogenesis. The purpose of this article is to review the literature between March 2003 and February 2004 and to determine if recent studies have improved the understanding of butyrate effects in health and disease.

RECENT FINDINGS:

Preclinical studies (cell culture experiments, animal studies) using modern molecular biological tools (including cDNA arrays) have provided new insights into the action of butyrate on colonic epithelial, vascular endothelial and extracolonic cell types. The new information adds pieces of evidence to the assumption that butyrate may ameliorate colonic inflammation and may be chemopreventive in carcinogenesis. In contrast, new data from clinical studies have been limited in the review period.

SUMMARY:

In the era of molecular biology our understanding of subcellular processes that ultimately lead to inflammatory bowel disease or colorectal cancer has widened considerably. The new powerful technology of genomics and proteomics, however, raises new questions without easy answers. With this new information in mind, we will have to go back to human intervention trials to test the hypotheses generated in vitro. The preclinical data from the review period justify the need for carefully designed clinical trials to test the benefits derived from butyrate production.

PMID:
15295277
[Indexed for MEDLINE]
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