en Original Article Irisin, Mesenchymal stem cells, Parkinson’s disease, Substantia nigra, Tunel 722 728 https://ijbms.mums.ac.ir/article_13161.html Sam Zarbakhsh szarbakhsh@yahoo.com 55970 No Research Center of Nervous System Stem Cells, Department of Anatomy, Semnan University of Medical Sciences, Semnan , Iran Manouchehr Safari kh_safari@yahoo.com 55969 Yes Research Center of Nervous System Stem Cells, Department of Anatomy, Semnan University of Medical Sciences, Semnan , Iran Mohammad Reza Aldaghi mald222@yahoo.com 55975 No Research Center of Nervous System Stem Cells, Department of Anatomy, Semnan University of Medical Sciences, Semnan , Iran Hamidreza Sameni hrsameni@gmail.com 55972 No Research Center of Nervous System Stem Cells, Department of Anatomy, Semnan University of Medical Sciences, Semnan , Iran Laya Ghahari laya_gh@yahoo.com 55971 No Department of Anatomy, AJA University of Medical Sciences, Tehran, Iran Younes Khaleghi Lagmouj ykhaleghi@gmail.com 55973 No Research Center of Nervous System Stem Cells, Department of Anatomy, Semnan University of Medical Sciences, Semnan , Iran Khojasteh Rahimi Jaberi khojasterahimi@gmail.com 55974 No Research Center of Nervous System Stem Cells, Department of Anatomy, Semnan University of Medical Sciences, Semnan , Iran Houman Parsaie houman70parsaie@gmail.com 55976 No Research Center of Nervous System Stem Cells, Department of Anatomy, Semnan University of Medical Sciences, Semnan , Iran