4.7 Article

On the mechanisms of taurine in alleviating electrocardiographic, hemodynamic, and biochemical parameters following aluminum phosphide cardiotoxicity

Journal

FOOD AND CHEMICAL TOXICOLOGY
Volume 154, Issue -, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2021.112347

Keywords

Aluminum phosphide; Cardiotoxicity; Mitochondrial toxicity; Oxidative stress; Taurine

Funding

  1. [61104]

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The study demonstrated that taurine has protective effects against AlP-induced cardiotoxicity, improving cardiac function and reducing biochemical abnormalities through various pathways. Taurine may serve as a potential candidate for treating AlP cardiotoxicity by affecting mitochondrial electron transfer chain and maintaining intracellular ATP balance.
Background: Aluminum phosphide (AlP) causes severe cardiotoxicity. Taurine has been chosen for the present study because of its positive known effects on cardiac injuries. Method: To evaluate AlP-induced cardiotoxicity, the animals were divided into seven groups, including the control group, the taurine group (500 mg/kg), AlP with LD50 dose, AlP + taurine 20, 50, 100, and 200 mg/kg group. To assess cardiac hemodynamic parameters, Wistar rats received taurine intraperitoneally 60 min after AlP gavage. Cardiac hemodynamic parameters were evaluated for 180 min. To study biochemical parameters, 24 h after AlP treatment, the animals were sacrificed, and heart tissues were collected. Result: ECG, BP, and HR abnormalities of AlP poisoning were improved by taurine treatment. AlP induced biochemical alterations including complexes I and IV activities, the ADP/ATP ratio, mitochondrial membrane potential, cytochrome C release, and oxidative stress biomarkers ameliorated by taurine. Moreover, taurine improved apoptosis, as well as lessened CC-MB and troponin I levels. Also, there were no significant changes between taurine 500 mg/kg and the control group in tests. Conclusion: The present findings showed that taurine could be a possible candidate for AlP cardiotoxicity treatment via the effect on mitochondrial electron transfer chain and maintaining intracellular ATP balance.

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