13. A method to improve penile erectile function in a subject comprising injecting into the corpus cavernosum of the penis of the subject a composition comprising a substantially pure population of freshly isolated stromal vascular fraction (SVF) cells present in a biocompatible liquid three-dimensional matrix.
13. A method to improve penile erectile function in a subject comprising injecting into the corpus cavernosum of the penis of the subject a composition comprising a substantially pure population of freshly isolated stromal vascular fraction (SVF) cells present in a biocompatible liquid three-dimensional matrix. 17. The method of claim 13 , wherein the composition does not comprise endothelial cells.