Current Chemical Genomics and Translational Medicine


ISSN: 2213-9885 ― Volume 12, 2018

Vitamin D Attenuates Myocardial Injury by Reduces ERK Phosphorylation Induced by I/R in Mice Model

Noor Ghaffar Said AL Habooby1, Nasser Ghaly Yousif2, *, Najah R. Hadi1, Jinan Jasim Al-Baghdadi2
1 Medical College, Kufa University, Kufa, Iraq
2 Al Muthanna Medical School/ Al Muthanna University, Al Muthanna, Iraq



Myocardial injury caused by ischemia followed by reperfusion mediates a complex series of inflammatory response that reduces the benefit of medical interventions, such as percutaneous coronary intervention, thrombolytic therapy, and coronary bypass surgery. Therefore, suppression of Ischemia/Reperfusion (I/R) -mediated myocardial injury is important in clinical practice. The objective of this study was to investigate whether vitamin has some protective effect on heart after myocardial I/R, and the mechanistic pathway of this effect.


Adult (4 - 6 months) male Albino-Webster mice were randomly divided into 2 groups: (1) sham-control group, (2) Ischemia and Reperfusion (I/R) operated group, (3) vehicle-treated group, and (4) vitamin D-treated group receiving vitamin D 20 mg/kg once daily shortly before I/R. 72h later, hemodynamics and Evan blue staining were applied to evaluate cardiac function and Area At Risk (AAR). ELISA technique are applied to investigate myocardial and plasma expression of cytokines (IL-1β, IL-6, and TNF-α), chemokine (MCP-1), and cTn-I. In addition, the activity of pERK1/2 was analyzed by Western blot. Further, the ischemia changes and myocytes injured were examined by Hematoxylin and Eosin (H&E) stain.

Key Findings:

The results demonstrated that the treatment of vitamin D markedly improved Left Ventricular Function (LVF) in mice, and reduced plasma level of cTn-I as marker of cardiac injury. Moreover, the effects of vitamin D was associated with attenuations in both chemokine and cytokines expression following I/R, through down-regulation of activation of ERK1/2 pathway.


Together, the present study results show that the treatment with vitamin D was able to improve LV function after I/R, which was associated with the reductions of inflammatory response and activity of pERK1/2 as mechanistic of its action.

Keywords: Vitamin D, Myocardial ischemia and reperfusion, ERK1/2, Cytokines, IL-1β.

Article Information

Identifiers and Pagination:

Year: 2018
Volume: 12
First Page: 27
Last Page: 38
Publisher Id: CCGTM-12-27
DOI: 10.2174/2213988501812010027

Article History:

Received Date: 24/8/2018
Revision Received Date: 4/10/2018
Acceptance Date: 10/10/2018
Electronic publication date: 31/12/2018
Collection year: 2018

© 2018 Habooby et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: ( This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Al Muthanna Medical School/ Al Muthanna University, Al Muthanna, Iraq, Tel: 009647825425669; E-mail:

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