1. Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran;
2. Department of Immunology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran;
3. Department of Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran;
4. Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran;
5. Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, IranCommunicated by Ramaswamy H. Sarma