1 H-00425-2016-R1 1 2 The effects of β-adrenergic receptor drugs on embryonic ventricular 3 cell proliferation and differentiation and their impact on donor cell 4 transplantation 5 6 7 8 Tiam Feridooni 1 , Adam Hotchkiss 1 , Mark Baguma-Nibasheka 1 , Feixiong Zhang 1 , Brittney 9 Allen 1 , Sarita Chinni 1 and Kishore B.S. Pasumarthi 1 * 10 11 12 13 1 Department of Pharmacology, Dalhousie University, 14 Halifax, Nova Scotia, Canada 15 16 17 18 19 20 21 * Corresponding author: 22 23 KISHORE B.S. PASUMARTHI, Ph.D. 24 Department of Pharmacology 25 Dalhousie University 26 Sir Charles Tupper Building 27 5850 College Street, P.O. Box 15000 28 Halifax, Nova Scotia, B3H 4R2 29 Canada 30 Phone: 902-494-2681 31 Fax: 902-494-1388 32 E-mail: kpasumar@dal.ca 33 34 Running Title : β-adrenergic drugs and ventricular cell proliferation 35