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Arginine nutrition and cardiovascular function.

G Wu1, C J Meininger

  • 1Department of Animal Science and Faculty of Nutrition, Texas A&M University, College Station, 77843, USA.

The Journal of Nutrition
|October 29, 2000
PubMed
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This summary is machine-generated.

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L-Arginine (Arg) is crucial for nitric oxide (NO) synthesis, benefiting vascular health. Supplementation may prevent and treat cardiovascular diseases by improving endothelial function.

Area of Science:

  • Cardiovascular Science
  • Nutritional Science
  • Biochemistry

Background:

  • L-Arginine (Arg) is the precursor to nitric oxide (NO), a key regulator of vascular tone and hemodynamics.
  • NO plays vital roles in inhibiting platelet aggregation, leukocyte adhesion, and smooth muscle cell proliferation.
  • Arg also exhibits NO-independent effects influencing various physiological processes.

Purpose of the Study:

  • To review the vascular actions of L-Arginine, both NO-dependent and NO-independent.
  • To evaluate the efficacy of Arg administration in reversing endothelial dysfunction and treating cardiovascular disorders.
  • To explore the potential of dietary Arg supplementation as a nutritional strategy for cardiovascular disease prevention and treatment.

Main Methods:

  • Review of existing scientific literature on L-Arginine's role in vascular physiology and pathophysiology.

Related Experiment Videos

  • Analysis of studies investigating the effects of enteral or parenteral Arg administration.
  • Synthesis of evidence regarding Arg's impact on endothelial dysfunction and cardiovascular conditions.

    • Main Results:

    • L-Arginine administration reverses endothelial dysfunction linked to major cardiovascular risk factors like hypercholesterolemia, smoking, hypertension, diabetes, obesity, and aging.
    • Arg ameliorates common cardiovascular disorders including coronary and peripheral arterial disease, ischemia/reperfusion injury, and heart failure.
    • Evidence supports Arg's dual action through NO-dependent and NO-independent pathways.

    Conclusions:

    • L-Arginine plays a significant role in cardiovascular health through both NO-dependent and NO-independent mechanisms.
    • Arg administration is effective in improving endothelial function and managing various cardiovascular diseases.
    • Dietary L-Arginine supplementation presents a promising nutritional approach for preventing and treating cardiovascular disease.