Activated RhoA/Rho kinase impairs erectile function after cavernous nerve injury in rats. C Gratzke, TD Strong, MA Gebska, HC Champion, CG Stief, AL Burnett, TJ Bivalacqua. J Urol 2010;184:2197-204. Pentoxifylline promotes recovery of erectile function in a rat model of postprostatectomy erectile dysfunction. M Albersen, TM Fandel, H Zhang, L Banie, G Lin, D De Ridder, CS Lin, TF Lue. Eur Urol 2011;59:286-96. Regeneration of the cavernous nerve by Sonic hedgehog using aligned peptide amphiphile nanofibers. NL Angeloni, CW Bond, Y Tang, DA Harrington, S Zhang, SI Stupp, KE McKenna, CA Podlasek. Biomaterials 2011;32:1091-101. Editorial Comment: Despite the increasing use of techniques that are designed to be less invasive and minimize damage to nerves associated with the pelvic plexus, the occurrence of erectile dysfunction after surgical procedures, such as prostatectomy, remains an important consideration in postsurgical care. These three studies investigate
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