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. 2025 Mar;39(3):e70193.
doi: 10.1002/jbt.70193.

Protective Effects of Galangin Against Cyclophosphamide-Induced Cardiotoxicity via Suppressing NF-κB and Improving Mitochondrial Biogenesis

Manar Ali Elsayed  1 , Doaa A Radwan  2 , Hanem Mohamed Rabah  3 , Hemat El-Sayed El-Horany  3   4 , Nahla Anas Nasef  3 , Rehab E Abo El Gheit  5   6 , Marwa N Emam  5   7 , Rasha Osama Elesawy  8 , Walaa Elseady  2 , Alia Mahmoud  1
Affiliations

Protective Effects of Galangin Against Cyclophosphamide-Induced Cardiotoxicity via Suppressing NF-κB and Improving Mitochondrial Biogenesis

Manar Ali Elsayed et al. J Biochem Mol Toxicol. 2025 Mar.

Abstract

Cyclophosphamide (CYP) is an effective chemotherapeutic and immunosuppressive agent; however, its clinical application is limited by a variety of toxic side effects. Mitochondrial dysfunction has been associated with the pathogenesis of chemotherapy-induced cardiotoxicity. This work aimed to evaluate the possible protective effect of galangin (Gal) on CYP-induced cardiotoxicity, pointing to its ability to promote mitochondrial biogenesis. Thirty two male rats were allocated equally into four groups: control; Gal-treated; CYP-treated; and Gal + CYP-treated groups. Markers of cardiac injury, oxidative/antioxidant status, inflammation, apoptosis, and mitochondrial function were assessed in addition to histopathological and electrocardiographic (ECG) evaluation. The current results revealed that Gal treatment significantly attenuated the cardiac injury and retrieved the alterations in cardiac histopathology and ECG changes. Also, it restored redox balance, as evidenced by the alleviation of malondialdehyde (MDA) levels and increased glutathione peroxidase (GPx) activity. Gal activated the sirtuin (SIRT) 1/nuclear factor erythroid 2-related factor 2 (Nrf2)-mediated signaling pathway, as indicated by upregulation of SIRT1, Nrf2, SIRT3, and mitochondrial transcription factor (TFAM), in addition to increased levels of superoxide dismutase 2 (SOD)2 and peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α), together with increased activity of citrate synthase (CS), pointing to improved mitochondrial function. It ameliorated the inflammation and apoptosis-associated markers supported by biochemical and immunostaining data. Our study provided novel insights elucidating the mitigative potential of against CYP-induced cardiac oxidative damage, inflammation, apoptosis, and mitochondrial dysfunction by upregulating the SIRT1/Nrf2/SIRT3/PGC-1α/TFAM survival pathway.

Keywords: SIRT3; cyclophosphamide; cyclophosphamide‐induced cardiotoxicity; galangin; mitochondrial biogenesis.

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