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Fish oil induced increase in walking distance, but not ankle brachial pressure index, in peripheral arterial disease is dependent on both body mass index and inflammatory genotype

Madden, Jacqueline, Brunner, Andreas, Dastur, Neville D., Tan, Rebecca M., Nash, Gerard B., Rainger, G. Ed, Shearman, Cliff P., Calder, Philip C. and Grimble, Robert F. (2007) Fish oil induced increase in walking distance, but not ankle brachial pressure index, in peripheral arterial disease is dependent on both body mass index and inflammatory genotype Prostaglandins, Leukotrienes and Essential Fatty Acids, 76, (6), pp. 331-340. (doi:10.1016/j.plefa.2007.04.003).

Record type: Article

Abstract

Peripheral arterial disease (PAD) is an atherosclerotic disease. Evidence suggests that atherosclerosis is an inflammatory condition and long chain n-3 fatty acids, found in oily fish and fish oils, have been shown to reduce inflammation. Genetic and lifestyle factors such as body mass index (BMI) also influence inflammation. In this study we have examined the effect of fish oil in patients with claudication secondary to PAD. Fish oil supplementation, providing 1g EPA and 0.7 g DHA per day for 12 weeks, increased walking distance on a treadmill set at 3.2 km/h with a 7% incline. Walking distance to first pain increased from 76.2+/-8.5 m before fish oil to 140.6+/-25.5 m after fish oil (mean+/-SEM, p=0.004) and total distance walked increased from 160.0+/-21.5 m before fish oil to 242.1+/-34.5 m after fish oil (p=0.002). Fish oil supplementation also improved ankle brachial pressure index (ABPI) from 0.599+/-0.017 before fish oil to 0.776+/-0.030 after fish oil (p<0.001). The increase in walking distance was dependent on both BMI and genotype for single nucleotide polymorphisms in the genes encoding the pro-inflammatory cytokines tumour necrosis factor-alpha and interleukin (IL)-1beta and the anti-inflammatory cytokine IL-10 (detected using amplification refractory mutation system polymerase chain reaction). Neither BMI nor any of the genotypes examined affected the ability of fish oil to increase ABPI. The mechanisms by which fish oil affects walking distance and ABPI do not appear to be the same.

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More information

Published date: June 2007
Additional Information: WEB/URL: --> PM:17600695; ; AU: --> Madden, J., Brunner, A., Dastur, N. D., Tan, R. M., Nash, G. B., Rainger, G. E., Shearman, C. P., Calder, P. C., and Grimble, R. F.; note --> Volume => 76;
Organisations: Dev Origins of Health & Disease

Identifiers

Local EPrints ID: 61352
URI: http://eprints.soton.ac.uk/id/eprint/61352
PURE UUID: f9d76c48-6d69-43a3-bfe9-4df272c1f9e3

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Date deposited: 30 Sep 2008
Last modified: 17 Jul 2017 14:22

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Contributors

Author: Jacqueline Madden
Author: Andreas Brunner
Author: Neville D. Dastur
Author: Rebecca M. Tan
Author: Gerard B. Nash
Author: G. Ed Rainger
Author: Robert F. Grimble

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