Based on the memorandum of understanding between University of Zakho and University of Pavia, Italy; a joint research program (Post Doctorate) was conducted between University of Zakho and University of Pavia as the active researcher Dr. Dlzar A. Kheder appointed to participate in a project for 18 months. Dr. Kheder presented a seminar on one of his current research in October 10th, at the Faculty of Science, University of Zakho. His work was accomplished with international co-authors from different universities and research centers in Italy. One of the conclusions of his research was that a novel mechanism pathway of acetylcholine induced intracellular Ca2+ concentration and nitric oxide release in mouse brain endothelial cells.