Hypericum perforatum alleviates doxorubicin induced cardiotoxicity in rats via enhancement of cardiac adiponectin-AMPK signaling
Elwany, N., Mahmoud, N., Mohamed Abdel Hamid, A. (2020). Hypericum perforatum alleviates doxorubicin induced cardiotoxicity in rats via enhancement of cardiac adiponectin-AMPK signaling. EKB Journal Management System, 26(6), 1140-1151. doi: 10.21608/zumj.2020.333619
N E. Elwany; Nevertyty Mohamed Mahmoud; Amira Mohamed Abdel Hamid. "Hypericum perforatum alleviates doxorubicin induced cardiotoxicity in rats via enhancement of cardiac adiponectin-AMPK signaling". EKB Journal Management System, 26, 6, 2020, 1140-1151. doi: 10.21608/zumj.2020.333619
Elwany, N., Mahmoud, N., Mohamed Abdel Hamid, A. (2020). 'Hypericum perforatum alleviates doxorubicin induced cardiotoxicity in rats via enhancement of cardiac adiponectin-AMPK signaling', EKB Journal Management System, 26(6), pp. 1140-1151. doi: 10.21608/zumj.2020.333619
Elwany, N., Mahmoud, N., Mohamed Abdel Hamid, A. Hypericum perforatum alleviates doxorubicin induced cardiotoxicity in rats via enhancement of cardiac adiponectin-AMPK signaling. EKB Journal Management System, 2020; 26(6): 1140-1151. doi: 10.21608/zumj.2020.333619

Hypericum perforatum alleviates doxorubicin induced cardiotoxicity in rats via enhancement of cardiac adiponectin-AMPK signaling

Zagazig University Medical Journal
Volume 26, Issue 6, November 2020, Page 1140-1151  XML PDF (1.3 MB)
Document Type: Original Article
DOI: 10.21608/zumj.2020.333619
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Authors
N E. Elwany email orcid 1; Nevertyty Mohamed Mahmoud2; Amira Mohamed Abdel Hamid3
1Lecturer, Clinical Pharmacology Department, Faculty of Medicine, Zagazig University
2Clinical Pharmacology Department, Faculty of Medicine, Zagazig University, Egypt.
3Clinical Pharmacology Department, Faculty of Medicine, Zagazig University, Egypt
Abstract
Background: Doxorubicin (DOX) is commonly used for treatment of hematologic and solid malignancies but its dose related cardiotoxicity limits its use.  Therefore, this study aims to evaluate the possible protective effect of Hypericum perforatum (HP) against doxorubicin cardiotoxicity.
Methods: Rats were allocated into 4 groups: GI: received normal saline i.p.; GII: received DOX (15 mg/kg; single i.p. injection); GIII: received HP 125 mg/kg/day p.o for 3 weeks + DOX; GIV: received HP 250 mg/kg/day p.o. for 3 weeks+ DOX.
ECG was performed then the animals were sacrificed. Sera were collected for estimation of LDH, CK-MB and cTnT. Hearts were isolated for histopathological examination and determination of APN, adiponectin receptor 1, adiponectin receptor 2, AMPKα1, AMPKα2, GSH, and MDA. SOD and catalase activities besides, the gene expression of BCL2, Bax and caspase 3 were also determined.
Results: Dox induced bradycardia, widening of QRS complex and prolongation of PR intervals, increased serum LDH, CK-MB and cTnT, and promoted cardiomyocyte inflammation and apoptosis. Additionally, Dox increased Bax and caspase 3, while decreasing  BCL2 gene expression. Meanwhile, cardiac GSH, SOD, CAT, and GPx were decreased along with elevation of MDA. Furthermore, Dox decreased cardiac Adiponectin (APN), adiponectin receptor 1, adiponectin receptor 2, AMPKα1 and AMPKα2 gene expression. On the other hand, pretreatment with HP improved all the aforementioned parameters in a dose dependent fashion, with amelioration of cardiomyocyte inflammation and apoptosis compared with DOX group.
Conclusions: HP protects against DOX cardiotoxicity via enhancement of cardiac adiponectin-AMPK signaling.
Keywords
Adiponectin; Apoptosis; Cardiotoxicity; Doxorubicin; Hypericum perforatum
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