<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Sulfur-containing amino acids are integral part of molecular mechanisms which underlie many aspects of cellular function and homeostasis, facilitated by reversible changes in oxidation states of sulfur atoms. Dysregulation of these pathways is associated with diverse pathologies, notably of the cardiovascular system, which are typically characterized by inappropriate plasma levels of sulfur-containing amino acids. The aim of this study was to assess the acute, direct effects of sulfur-containing amino acids and inorganic NaHS, as H<sub>2</sub>S donor, on cardiodynamic parameters in homocysteine treated rats. Moderate hyperhomocysteinemia did not cause significant decrease in myocardial contractility, but our findings suggest that NaHS and L-methionine cause negative effects on cardiac function in hearts of the rats treated with homocysteine, even in a single administration. Further investigations need to be carried out with purpose of better understanding and highlightening the impact of Hcy and sulphur amino acids on cardiac function.</p>
</abstract>

Sulfur-containing amino acids are integral part of molecular mechanisms which underlie many aspects of cellular function and homeostasis, facilitated by reversible changes in oxidation states of sulfur atoms. Dysregulation of these pathways is associated with diverse pathologies, notably of the cardiovascular system, which are typically characterized by inappropriate plasma levels of sulfur-containing amino acids. The aim of this study was to assess the acute, direct effects of sulfur-containing amino acids and inorganic NaHS, as H2S donor, on cardiodynamic parameters in homocysteine treated rats. Moderate hyperhomocysteinemia did not cause significant decrease in myocardial contractility, but our findings suggest that NaHS and L-methionine cause negative effects on cardiac function in hearts of the rats treated with homocysteine, even in a single administration. Further investigations need to be carried out with purpose of better understanding and highlightening the impact of Hcy and sulphur amino acids on cardiac function.

Effects of Sulfur Amino Acids on Cardiodynamic Parameters of Isolated Rat Heart

University Clinical Centre of the Republic of Srpska

University of Banja Luka, Faculty of Medicine

University of Kragujevac, Faculty of Medical Sciences

I.M. Sechenov First Moscow State Medical University (Sechenov University)

University of Belgrade, Faculty of Medicine

Experimental and Applied Biomedical Research (EABR)

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Effects of Sulfur Amino Acids on Cardiodynamic Parameters of Isolated Rat Heart"}

Sulfur-containing amino acids are integral part of molecular mechanisms which underlie many aspects of cellular function and homeostasis, facilitated by...

Effects of Sulfur Amino Acids on Cardiodynamic Parameters of Isolated Rat Heart

Online veröffentlicht: 05. Apr. 2023

Seitenbereich: 7 - 16

Eingereicht: 30. Juni 2020

Akzeptiert: 01. Juli 2020

DOI: https://doi.org/10.2478/sjecr-2020-0025

Schlüsselwörter
Sulfur amino acids, L-methionine, L-cysteine, N-acetylcysteine, hiperhomocysteinemia, heart function

© 2023 Nikola Sobot et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Effects of Sulfur Amino Acids on Cardiodynamic Parameters of Isolated Rat Heart

Online veröffentlicht: 05. Apr. 2023

Seitenbereich: 7 - 16

Eingereicht: 30. Juni 2020

Akzeptiert: 01. Juli 2020

DOI: https://doi.org/10.2478/sjecr-2020-0025

SchlüsselwörterSulfur amino acids, L-methionine, L-cysteine, N-acetylcysteine, hiperhomocysteinemia, heart function

© 2023 Nikola Sobot et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Schlüsselwörter
Sulfur amino acids, L-methionine, L-cysteine, N-acetylcysteine, hiperhomocysteinemia, heart function