Cited by 87Nitric Oxide and Endothelin EffectsDiabetes, Cardiovascular Risks, and LipoproteinsCardiovascular Health and Disease Prevention

Effects of low‐dose l‐arginine on insulin‐mediated vasodilatation and insulin sensitivity

WASCHER, T. C., GRAIER, W. F., DITTRICH, P., HUSSAIN, M. A., BAHADORI, B., WALLNER, S., TOPLAK, H.·1997·European Journal of Clinical Investigation

Abstract

The present study was carried out to evaluate the effect of a low-dose intravenous supplementation of L-arginine on insulin-mediated vasodilatation and insulin sensitivity. The study was performed in healthy subjects (n = 7) and patients with obesity (n = 9) and non-insulin-dependent diabetes mellitus (NIDDM) (n = 9). Insulin-mediated vasodilatation was measured by venous occlusion plethysmography during the insulin suppression test, evaluating insulin sensitivity. Experiments were performed twice in each subject in the presence or absence of a concomitant infusion of L-arginine (0.52 mg kg-1 min-1). L-Arginine restored the imparied insulin-mediated vasodilatation observed in obesity (22.4 +/- 4.1%, P < 0.01 vs. without L-arginine) and NIDDM (20.3 +/- 3.2%, P < 0.01 vs. without L-arginine). In healthy subjects, no effect on insulin mediated-vasodilatation was observed (24.8 +/- 3.1% vs. 21.4 +/- 3.1%). Insulin sensitivity was improved significantly (P < 0.001) in all three groups by infusion of L-arginine. No effect of L-arginine was observed on insulin, insulin-like growth factor I (IGF-I), free fatty acids (FFAs) or C-peptide levels during the insulin suppression test. Our data indicate that defective insulin-mediated vasodilatation in obesity and NIDDM can be normalized by intravenous L-arginine. Furthermore, L-arginine improves insulin sensitivity in obese patients and NIDDM patients as well as in healthy subjects, indicating a possible mechanism that is different from the restoration of insulin-mediated vasodilatation.

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Crossref · 10.1046/j.1365-2362.1997.1730718.x

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  • Human studies have repeatedly shown that L-arginine supplementation has favorable effects on body composition and insulin sensitivity.

    “However, human studies have repeatedly shown that L-arginine supplementation has favorable effects on body composition and insulin sensitivity [271-277].”

    From Regulation of obesity and insulin resistance by nitric oxide (2014) · cites this paper as [271]

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Authors
WASCHER, T. C., GRAIER, W. F., DITTRICH, P., HUSSAIN, M. A., BAHADORI, B., WALLNER, S., & TOPLAK, H.
Affiliations
  • University of Graz (AT)
  • University Hospital Zurich (CH)
Corresponding author
WASCHER, T. C.
Venue
European Journal of Clinical Investigation
Publisher
Wiley
Published
1997-08
Volume
27
Issue
8
Pages
690-695
ISSN
  • 0014-2972 (ISSN-L)
  • 1365-2362
OpenAlex
W1978337405
Cited by
87
References
0
Citations by year
2026: 2 · 2025: 2 · 2023: 4 · 2022: 5 · 2021: 1 · 2020: 3 · 2019: 1 · 2018: 3 · 2017: 4 · 2016: 3 · 2014: 7 · 2013: 5 · 2012: 6
FWCI
2.24
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Clinical Investigation (publishedVersion)
  • PubMed (publishedVersion)
Funders
Oesterreichische Nationalbank
Topics
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Disease Prevention
Keywords
L-arginine, insulin sensitivity, obesity, type 2 diabetes, insulin resistance, intravenous supplementation, insulin suppression test, insulin-like growth factor I, free fatty acids, C-peptide
MeSH terms
Adult, Arginine, C-Peptide, Diabetes Mellitus, Type 2, Fatty Acids, Female, Humans, Insulin, Insulin Resistance, Insulin-Like Growth Factor I, Male, Middle Aged, Obesity, Vasodilation

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