Dr. Lahouel Mesbah is currently working as Professor at Laboratoire de Toxicologie Moleculaire, Faculte des Sciences Universite de Jijel. He has published 37 articles in journals, more than 70 communications and 3 book and book chapters contributed as author/co-author. In past he worked as Lecturer at the University of Pharmacology and Toxicology Constantine and at the University of Jijel. He also supervised 12 doctorate thesis. His scientific responsibilities include worked as Head of Toxicology Department Saidal (Algiers), Algeria, Deputy Director Incharge of Teaching at the ENS in Jijel, Algeria, Deputy Director for Post graduation and Research in the Department of Biochemistry. University JIJEL, Head of the LMD Sciences Faculty, Head of the LMD field SNV, University of Jijel February, Chairman of the Scientific Committee of the Department of Molecular Biology and Cell, Director of Molecular Toxicology Research Laboratory. He is member of the international panel of reviewers (MSM: Medical Science Monitor), Master Manager Experimental Pharmacology, Responsible Magisterium Molecular Toxicology (University of Jijel), Member of expert commissions for the authorization of doctoral programs LMD conference des Eastern universities, Expert NRP (National Research Projects), the Excellence Cluster Biology, and member of Medical Excellence Cluster.