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Concentration of Zearalenone, Alpha-Zearalenol and Beta-Zearalenol in the Myocardium and the Results of Isometric Analyses of the Coronary Artery in Prepubertal Gilts

The carry-over of zearalenone (ZEN) to the myocardium and its effects on coronary vascular reactivity in vivo have not been addressed in the literature to date. Therefore, the objective of this study was to verify the hypothesis that low ZEN doses (MABEL, NOAEL and LOAEL) administered per os to prep...

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Autores principales: Gajęcka, Magdalena, Majewski, Michał S., Zielonka, Łukasz, Grzegorzewski, Waldemar, Onyszek, Ewa, Lisieska-Żołnierczyk, Sylwia, Juśkiewicz, Jerzy, Babuchowski, Andrzej, Gajęcki, Maciej T.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8228058/
https://www.ncbi.nlm.nih.gov/pubmed/34199438
http://dx.doi.org/10.3390/toxins13060396
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author Gajęcka, Magdalena
Majewski, Michał S.
Zielonka, Łukasz
Grzegorzewski, Waldemar
Onyszek, Ewa
Lisieska-Żołnierczyk, Sylwia
Juśkiewicz, Jerzy
Babuchowski, Andrzej
Gajęcki, Maciej T.
author_facet Gajęcka, Magdalena
Majewski, Michał S.
Zielonka, Łukasz
Grzegorzewski, Waldemar
Onyszek, Ewa
Lisieska-Żołnierczyk, Sylwia
Juśkiewicz, Jerzy
Babuchowski, Andrzej
Gajęcki, Maciej T.
author_sort Gajęcka, Magdalena
collection PubMed
description The carry-over of zearalenone (ZEN) to the myocardium and its effects on coronary vascular reactivity in vivo have not been addressed in the literature to date. Therefore, the objective of this study was to verify the hypothesis that low ZEN doses (MABEL, NOAEL and LOAEL) administered per os to prepubertal gilts for 21 days affect the accumulation of ZEN, α-ZEL and β-ZEL in the myocardium and the reactivity of the porcine coronary arteries to vasoconstrictors: acetylcholine, potassium chloride and vasodilator sodium nitroprusside. The contractile response to acetylcholine in the presence of a cyclooxygenase (COX) inhibitor, indomethacin and / or an endothelial nitric oxide synthase (e-NOS) inhibitor, L-NAME was also studied. The results of this study indicate that the carry-over of ZEN and its metabolites to the myocardium is a highly individualized process that occurs even at very low mycotoxin concentrations. The concentrations of the accumulated ZEN metabolites are inversely proportional to each other due to biotransformation processes. The levels of vasoconstrictors, acetylcholine and potassium chloride, were examined in the left anterior descending branch of the porcine coronary artery after oral administration of ZEN. The LOAEL dose clearly decreased vasoconstriction in response to both potassium chloride and acetylcholine (P < 0.05 for all values) and increased vasodilation in the presence of sodium nitroprusside (P = 0.021). The NOAEL dose significantly increased vasoconstriction caused by acetylcholine (P < 0.04), whereas the MABEL dose did not cause significant changes in the vascular response. Unlike higher doses of ZEN, 5 μg/kg had no negative influence on the vascular system.
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spelling pubmed-82280582021-06-26 Concentration of Zearalenone, Alpha-Zearalenol and Beta-Zearalenol in the Myocardium and the Results of Isometric Analyses of the Coronary Artery in Prepubertal Gilts Gajęcka, Magdalena Majewski, Michał S. Zielonka, Łukasz Grzegorzewski, Waldemar Onyszek, Ewa Lisieska-Żołnierczyk, Sylwia Juśkiewicz, Jerzy Babuchowski, Andrzej Gajęcki, Maciej T. Toxins (Basel) Article The carry-over of zearalenone (ZEN) to the myocardium and its effects on coronary vascular reactivity in vivo have not been addressed in the literature to date. Therefore, the objective of this study was to verify the hypothesis that low ZEN doses (MABEL, NOAEL and LOAEL) administered per os to prepubertal gilts for 21 days affect the accumulation of ZEN, α-ZEL and β-ZEL in the myocardium and the reactivity of the porcine coronary arteries to vasoconstrictors: acetylcholine, potassium chloride and vasodilator sodium nitroprusside. The contractile response to acetylcholine in the presence of a cyclooxygenase (COX) inhibitor, indomethacin and / or an endothelial nitric oxide synthase (e-NOS) inhibitor, L-NAME was also studied. The results of this study indicate that the carry-over of ZEN and its metabolites to the myocardium is a highly individualized process that occurs even at very low mycotoxin concentrations. The concentrations of the accumulated ZEN metabolites are inversely proportional to each other due to biotransformation processes. The levels of vasoconstrictors, acetylcholine and potassium chloride, were examined in the left anterior descending branch of the porcine coronary artery after oral administration of ZEN. The LOAEL dose clearly decreased vasoconstriction in response to both potassium chloride and acetylcholine (P < 0.05 for all values) and increased vasodilation in the presence of sodium nitroprusside (P = 0.021). The NOAEL dose significantly increased vasoconstriction caused by acetylcholine (P < 0.04), whereas the MABEL dose did not cause significant changes in the vascular response. Unlike higher doses of ZEN, 5 μg/kg had no negative influence on the vascular system. MDPI 2021-06-02 /pmc/articles/PMC8228058/ /pubmed/34199438 http://dx.doi.org/10.3390/toxins13060396 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Gajęcka, Magdalena
Majewski, Michał S.
Zielonka, Łukasz
Grzegorzewski, Waldemar
Onyszek, Ewa
Lisieska-Żołnierczyk, Sylwia
Juśkiewicz, Jerzy
Babuchowski, Andrzej
Gajęcki, Maciej T.
Concentration of Zearalenone, Alpha-Zearalenol and Beta-Zearalenol in the Myocardium and the Results of Isometric Analyses of the Coronary Artery in Prepubertal Gilts
title Concentration of Zearalenone, Alpha-Zearalenol and Beta-Zearalenol in the Myocardium and the Results of Isometric Analyses of the Coronary Artery in Prepubertal Gilts
title_full Concentration of Zearalenone, Alpha-Zearalenol and Beta-Zearalenol in the Myocardium and the Results of Isometric Analyses of the Coronary Artery in Prepubertal Gilts
title_fullStr Concentration of Zearalenone, Alpha-Zearalenol and Beta-Zearalenol in the Myocardium and the Results of Isometric Analyses of the Coronary Artery in Prepubertal Gilts
title_full_unstemmed Concentration of Zearalenone, Alpha-Zearalenol and Beta-Zearalenol in the Myocardium and the Results of Isometric Analyses of the Coronary Artery in Prepubertal Gilts
title_short Concentration of Zearalenone, Alpha-Zearalenol and Beta-Zearalenol in the Myocardium and the Results of Isometric Analyses of the Coronary Artery in Prepubertal Gilts
title_sort concentration of zearalenone, alpha-zearalenol and beta-zearalenol in the myocardium and the results of isometric analyses of the coronary artery in prepubertal gilts
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8228058/
https://www.ncbi.nlm.nih.gov/pubmed/34199438
http://dx.doi.org/10.3390/toxins13060396
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