NewslettersCell Therapy NewsMuscle Cell News R-spondin3 Is a Myokine That Differentiates Myoblasts to Type I Fibres By lbeveridge - August 8, 2022 0 To examine whether R-spondin (Rspo3) induced type I fibres, primary myoblasts prepared from mouse soleus muscles were exposed to a differentiation medium containing the mouse recombinant Rspo3 protein. [Scientific Reports] Full Article