Is Homoarginine a Protective Cardiovascular Risk Factor?

ES Karetnikova, N Jarzebska, AG Markov, N Weiss, SR. Lentz, RN Rodionov

Research output

7 Citations (Scopus)


A series of recent epidemiological studies have implicated the endogenous nonproteinogenic amino acid l-homoarginine as a novel candidate cardiovascular risk factor. The association between homoarginine levels and the risk of adverse cardiovascular outcomes is inverse (ie, high cardiovascular risk is predicted by low rather than high homoarginine levels), which makes it plausible to normalize systemic homoarginine levels via oral supplementation. The emergence of homoarginine as a potentially treatable protective cardiovascular risk factor has generated a wave of hope in the field of cardiovascular prevention. Herein, we review the biochemistry, physiology, and metabolism of homoarginine, summarize the strengths and weaknesses of the epidemiological evidence linking homoarginine to cardiovascular disease and its potential protective cardiovascular effects, and identify priorities for future research needed to define the clinical utility of homoarginine as a prognostic factor and therapeutic target in cardiovascular disease.

Original languageEnglish
Article numberQ1
Pages (from-to)869-875
Number of pages7
JournalArteriosclerosis, Thrombosis, and Vascular Biology
Issue number5
Publication statusPublished - May 2019

Scopus subject areas

  • Physiology (medical)
  • Cardiology and Cardiovascular Medicine

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