Harmine specifically inhibits protein kinase DYRK1A and interferes with neurite formation. [2009] Title Harmine specifically inhibits protein kinase DYRK1A and interferes with neurite formation.FRBS J. 276, 6324-6337. Author Nora Gockler, Guillermo Jofre, Chrisovalantis Papadopoulos, Ulf Soppa, Francisco J Tejedor, and Walter Becker Related Products and Services PUREfrex®