22-kD peripheral myelin protein, ALCAR, ATF3, Acetyl-L-carnitine, BCNI, CN, CTGF, NED, NGF, NO, Neurogenic erectile dysfunction, ROCK, Ras homolog gene family member A, Rat, Rat Schwann cell (SC) line, Rho-associated protein kinase, RhoA, S100, S16, SC, Smad 2/3, TGF-?, TH, bilateral CN injury, cGMP, cavernous nerve, cavernous nerve injury, collagen, connective tissue growth factor, cyclic guanosine monophosphate, nNOS, nerve growth factor, neuronal nitric oxide synthase, nitric oxide, penile erection, penile fibrosis, rats, smooth, transforming growth factor-beta, tyrosine, tyrosine hydroxylase