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Article type: Research Article
Authors: Sam J. Bhathena,
Affiliations: Phytonutrients Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, USDA, Beltsville, MD 20705, USA
Note: [] Phytonutrients Laboratory, BHNRC, ARS, USDA, Bldg. 307, Rm. 315, Beltsville, MD 20705-2350, USA. Tel.: +1 301 504 8422; Fax: +1 301 504 9456; E-mail: bhathena@307.bhnrc.usda.gov
Abstract: Significant interactions exist between fatty acids and the endocrine system. Hormones affect the metabolism of fatty acids and the fatty acid composition of tissue lipids. The principal hormones involved in lipid metabolism are insulin, glucagon, catecholamines, cortisol and growth hormone. The concentrations of these hormones are altered in chronic degenerative conditions such as diabetes and cardiovascular disease, which in turn lead to alterations in tissue lipids. Lipogenesis and lipolysis, which modulate fatty acid concentrations in plasma and tissues, are under hormonal control. Neuropeptides are involved in lipid metabolism in brain and other tissues. Polyunsaturated fatty acids (PUFA) are also precursors for eicosanoids including prostaglandins, leukotrienes, and thromboxanes, which have hormone-like activities. Fatty acids in turn alter both hormone and neuropeptide concentrations and their receptors. Saturated and trans fatty acids (TFA) decrease insulin concentration leading to insulin resistance. In contrast, PUFA increase plasma insulin concentration and decrease insulin resistance. In humans, omega-3 PUFA alter the levels of opioid peptides in plasma.
Journal: BioFactors, vol. 13, no. 1-4, pp. 35-39, 2000
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