Amr Ahmed El-Arabey is presently Lecturer in Pharmacology and Toxicology Department, Faculty of Pharmacy, AL-Azhar University. Amr received his PhD from AL-Azhar University as Joint supervision between Egypt and MD Anderson Cancer Center, University of Texas, Houston, Texas, USA. His PhD thesis is on the regulatory functions of the well-known transcription factor GATA3 of macrophage-microenvironment interactions in cancer. Amr is the author of book entitled '' Novel use of Thymol and Carvacrol''Copyright © OmniScriptum GmbH & Co. KG.  ISBN: 978-3-659-71247-0. Amr has more than 60 scientific papers in reputed international journals. He is member of the editorial board of several journals in the specialty including PLOS ONE (Q1 Journal). He has worked as a peer reviewer for more than 50 journals including The Lancet Respiratory Medicine, International Immunopharmacology, World Journal of Gastroenterology, Clinical and Translational Oncology, Journal of Cancer, Human Cell, Journal of Medical Virology, Cell cycle, Life Sciences, Archives of Medical Research, Medical Science Monitor, Advances in Medical Sciences, Toxicology letters and Toxicology Reports.