He is also working on new receptor types that could allow cell therapies to more effectively penetrate disease sites and reside there for the duration of the treatment. (aaas.org)
Gradually, the motor neurons create new receptors to replace those blocked by the toxin. (discovermagazine.com)
Which Means That In the case of IGF1 which does act on muscle tissue it will trigger the growth of fresh muscle fibers, and for bodybuilders consequently new receptors for testosterone. (factsonhgh.com)