Mr. Abbas Shahi, a master's degree student in immunology from Tehran University of Medical Sciences, completed his dissertation in Rheumatology Research Center Laboratory. He defended his dissertation entitled "Evaluation of All-trans retinoic acid (ATRA) effect on the expression of AQP-3 and fibrosis mediators in fibroblasts of systemic sclerosis patients" successfully under the instruction of Dr. Ali Akbar Amirzargar and Dr. Elham Farhadi and the advice of Dr. Mahdi Mahmoudi on 2020/2/8.