Toxicological Sciences, Vol 52, 107-110, Copyright © 1999 by Society of Toxicology
MW Pariza, Y Park and ME Cook
The effects of conjugated linoleic acid (CLA) in animals are reviewed. In
most of the CLA preparations that have been investigated to date for
biological activity, two CLA isomers are present in about equal
concentrations: cis-9,trans-11 CLA, and trans-10,cis-12 CLA. The occurrence
of these isomers in foods and their production by rumen microorganisms are
discussed. Potential mechanisms of action as regards the effects of CLA on
cancer and body composition are reviewed, including recent evidence that
body composition changes are produced by the trans-10,cis-12 CLA isomer.
Evidence is presented indicating that CLA may modulate cellular response to
tumor necrosis factor-alpha (TNF- alpha). The mechanistic implications of
this finding are considered.
ARTICLES
Conjugated linoleic acid and the control of cancer and obesity
Food Research Institute, Department of Food Microbiology and Toxicology, University of Wisconsin-Madison, 53706-1187, USA. mwpariza@facstaff.wisc.edu
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