Journal
BRAIN RESEARCH
Volume 1213, Issue -, Pages 35-40Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.brainres.2008.01.096
Keywords
Conjugated linoleic acid; angiogenesis; exercise; brain; cerebellum
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Conjugated Linoleic Acid (CLA) is fatty acid found endogenously in food sources that prevents new tumor development and reduces the growth of existing tumors in laboratory animals. CIA exerts its anti-carcinogenic effect by reducing VEGF and bFGF serum levels and by blocking flk-1 receptors, thereby inhibiting vascular growth critical to tumor growth and survival. Although the ability of CLA to inhibit angiogenesis in the peripheral nervous system is well characterized, it remains unknown whether CLA also affects vascular morphology in the central nervous system. Therefore, in the present study, exercising and sedentary animals received either standard rat chow or a specially formulated diet consisting of 0.5% CLA for 24 days. The brains were then examined to determine the extent of vascular growth in the cerebellum, a region known to exhibit robust exercise-induced angiogenesis. Our results indicate that CLA administration significantly reduces angiogenesis in the cerebellum. This study is the first to demonstrate the anti-angiogenic effect of CLA in the brain, and suggests that CLA be explored as a therapeutic treatment for cancer and tumors in the brain. (c) 2008 Elsevier B.V. All rights reserved.
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