Home General Physiology and Biophysics 2024 General Physiology and Biophysics Vol.43, No.6, p, 555–566, 2024

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Founded: 1982
ISSN 1338-4325 (online)
ISSN 0231-5882 (print)
Published in English,
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General Physiology and Biophysics Vol.43, No.6, p, 555–566, 2024

Title: Extremely low frequency pulsed magnetic field inhibits myocardial damage and apoptosis in rats with CLP-induced sepsis: A histopathological and immunohistochemical evaluation
Author: Serkan Gürgül, Fikret Gevrek, Serkan Yelli, Fatma Betül Şeker, Can Demirel
Abstract: We aimed to investigate whether pulsed magnetic fields (PMFs) (1 mT) may have preventive effects on myocardial damage and apoptosis in rats with sepsis. Twenty-eight adult Wistar albino rats were evenly distributed among four experimental groups, each consisting of seven rats: SH, LF-PMF, HF-PMF, and CLP. Sepsis induction was carried out via the cecal ligation and puncture (CLP) method, while rats in the LF-PMF and HF-PMF groups were exposed to 7.5 Hz and 15 Hz PMF, respectively, for duration of 24 hours. Following the removal of heart tissue, histological techniques were employed for the analysis. Histological scoring of apoptosis-related Bax, Bcl-2, and Acas-3 proteins as well as cTnI were performed in the heart tissue. The myocardial damage score significantly increased in the CLP group compared to the SH group (p < 0.05). Significant decreases were observed in Bcl-2 and cTnI protein levels in the CLP group, while significant increases were detected in the PMF groups (p < 0.05). An increase in Bax and Acas-3 protein levels, as well as the Bax/Bcl-2 ratio, was observed in the CLP group, with a decrease in the PMF groups (p < 0.05). The results demonstrate that PMF application has anti-apoptotic and therapeutic effects on septic heart tissue damage.
Keywords: Apoptosis — Heart — Pulsed magnetic field (PMF) — Myocardial damage — Sepsis
Published online: 14-Nov-2024
Year: 2024, Volume: 43, Issue: 6 Page From: 555, Page To: 566
doi:10.4149/gpb_2024029


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