1. Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Cairo University, Giza, Egypt;
2. Department of Biochemistry and Molecular Biology, Faculty of Medicine, Beni Suef University, Beni Suef, Egypt;
3. Medical College, Al-Jouf University, Al-Jawf, Saudi Arabia;
4. Department of Biotechnology, Faculty of Science, Sebha University, Sabha, Libya;
5. Department of Histology and Cell Biology, Helwan Faculty of Medicine, Helwan University, Cairo, Egypt