www.nature.com/scientificreports OPEN Lumican Peptides: Rational Design Targeting ALK5/TGFBRI received: 09 August 2016 accepted: 04 January 2017 Published: 09 February 2017 Tarsis Ferreira Gesteira1,*, Vivien J. Coulson-Thomas1,*,†,Yong Yuan1, Jianhua Zhang1, Helena B....