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Dietary fatty acids influence the appearance of tumour necrosis factor-α receptors on adipocytes following an immune challenge

Published online by Cambridge University Press:  09 March 2007

Hilary A. MacQueen ,
Dawn Sadler  and
Christine Mattacks
Hilary A. MacQueen*
Affiliation:
Department of Biological Sciences, The Open University, Milton Keynes MK7 6AA, UK
Dawn Sadler
Affiliation:
Department of Biological Sciences, The Open University, Milton Keynes MK7 6AA, UK
Christine Mattacks
Affiliation:
Department of Biological Sciences, The Open University, Milton Keynes MK7 6AA, UK
*
*Corresponding author: Hilary A. MacQueen, fax +44 1908 654167, email [email protected]
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Abstract

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Rats were fed from weaning on chow supplemented with suet or sunflower oil (10 % (w/w) each). The appearance of receptors for tumour necrosis factor-α on perinodal adipocytes from the popliteal depot following a subcutaneous injection of bacterial lipopolysaccharide was examined. In rats fed on sunflower oil-supplemented chow receptors appeared at a time similar to that described in rats fed unsupplemented chow, but in rats fed on chow supplemented with suet receptor appearance was significantly delayed. The popliteal adipocytes were found to contain different proportions of fatty acids as assessed by GLC. These preliminary results suggest that the fatty acid component of the diet can, by influencing the triacylglycerol-fatty acids within adipocytes, directly alter the time course of an early inflammatory immune response.

Keywords

Tumour necrosis factor-receptorsSuetSunflower oiln-6 PUFA
Type
Research Article
Information
British Journal of Nutrition , Volume 84 , Issue 3 , September 2000 , pp. 387 - 392
Copyright
Copyright © The Nutrition Society 2000

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