Partially hydrolyzed guar gum supplement reduces high-fat diet increased blood lipids and oxidative stress and ameliorates FeCl

Dar Chih Kuo, Shih Ping Hsu, Chiang-Ting Chien

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Increased reactive oxygen species (ROS) and hyperlipidemia can promote arterial thrombus. We evaluated the potential of a partially hydrolyzed guar gum (PHGG) as dietary fiber on lipid profiles and FeCl3-induced arterial thrombosis in the high fat-diet fed hamsters. Our in vitro results found that PHGG is efficient to scavenge O2-, H2O2, and HOCl. High fat-diet increased plasma triglyceride, total cholesterol, LDL, VLDL, methylguanidine and dityrosine level and accelerated FeCl3-induced arterial thrombosis formation (from 463 51 to 303 45 sec). Low dose PHGG supplement significantly decreased the total cholesterol, LDL, methylguanidine and dityrosine level and delayed the time for arterial thrombosis formation (528 75 sec). High dose PHGG supplement decreased the level in triglyceride, total cholesterol, LDL and VLDL and further delayed the time for arterial thrombus (671 36 sec). The increased Bax protein and decreased Bcl-2 and HSP-70 protein expression was found in the carotid and femoral arteries of high fat-diet hamsters. Low and high dose of PHGG supplement decreased Bax expression and increased Bcl-2 and HSP-70 protein expression. We found that FeCl3 significantly enhanced intercellular adhesion molecule-1 and 4-hydroxynonenal expression in the endothelial site of damaged artery after 150-sec FeCl3 stimulation. PHGG supplement decreased the endothelial ICAM-1 and 4-hydroxynonenal expression after 150-sec FeCl3 stimulation. Based on these results, we conclude that PHGG supplement can increase antioxidant protein expression and thus decrease oxidative stress induced arterial injury.

Original languageEnglish
Article number15
JournalJournal of Biomedical Science
Volume16
Issue number1
DOIs
Publication statusPublished - 2009 Apr 6

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guar gum
Oxidative stress
High Fat Diet
Nutrition
Oxidative Stress
Blood
Fats
Lipids
Thrombosis
Methylguanidine
LDL Cholesterol
VLDL Cholesterol
Intercellular Adhesion Molecule-1
Cricetinae
Triglycerides
bcl-2-Associated X Protein
Proteins
Dietary Fiber
Femoral Artery
Hyperlipidemias

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Molecular Biology
  • Clinical Biochemistry
  • Cell Biology
  • Biochemistry, medical
  • Pharmacology (medical)

Cite this

Partially hydrolyzed guar gum supplement reduces high-fat diet increased blood lipids and oxidative stress and ameliorates FeCl. / Kuo, Dar Chih; Hsu, Shih Ping; Chien, Chiang-Ting.

In: Journal of Biomedical Science, Vol. 16, No. 1, 15, 06.04.2009.

Research output: Contribution to journalArticle

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