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Int Urol Nephrol. 2016 Aug;48(8):1335-1341. doi: 10.1007/s11255-016-1300-5. Epub 2016 Apr 26.

Effect of flaxseed oil on serum systemic and vascular inflammation markers and oxidative stress in hemodialysis patients: a randomized controlled trial.

Author information

1
Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.
2
Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, 46, West Arghavan St., Farahzadi Blvd., Shahrak Qods, P.O. Box 19395-4741, Tehran, Islamic Republic of Iran. hadtabibi@yahoo.com.
3
Department of Nephrology, Taleghani Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.
4
Cellular and Molecular Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.
5
Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Islamic Republic of Iran.

Abstract

PURPOSE:

The aim of this study was to investigate the effects of flaxseed oil consumption on serum systemic and vascular inflammation markers, and oxidative stress in hemodialysis (HD) patients.

METHODS:

In this randomized, double-blind, clinical trial, 34 HD patients were randomly assigned to either the flaxseed oil or the control group. The patients in the flaxseed oil group received 6 g/day flaxseed oil for 8 week, whereas the control group received 6 g/day medium-chain triglycerides (MCT) oil. At baseline and the end of week 8, serum concentrations of high-sensitive C-reactive protein (hs-CRP), soluble intercellular adhesion molecule type 1 (sICAM-1), soluble vascular cell adhesion molecule type 1 (sVCAM-1), sE-selectin, and malondialdehyde (MDA) were measured after a 12- to 14-h fast.

RESULTS:

Serum hs-CRP, a systemic inflammation marker, and sVCAM-1, a vascular inflammation marker, reduced significantly in the flaxseed oil group at the end of week 8 compared to baseline (P < 0.05), and the reductions were significant in comparison with the MCT oil group (P < 0.05). There were no significant differences between the two groups in mean changes in serum sICAM-1, sE-selectin, and MDA.

CONCLUSION:

This study indicates that daily consumption of 6 g flaxseed oil reduces serum hs-CRP and sVCAM-1, which are two risk factors for CVD. Therefore, the inclusion of flaxseed oil in the usual diet of HD patients can be considered as a strategy for reducing CVD risk factors.

KEYWORDS:

Flaxseed oil; Hemodialysis; Oxidative stress; Systemic inflammation; Vascular inflammation

PMID:
27115157
DOI:
10.1007/s11255-016-1300-5
[Indexed for MEDLINE]

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