Gene Therapy
I could not find if this has been posted before and thought it should be mentioned. Here is the link.
http://www.jurology.com/article/S0022-5347(05)68152-9/abstract
ENDOTHELIAL CELL TRANSPLANTATION INTO THE CORPUS CAVERNOSUM: MOVING TOWARDS CELL-BASED GENE THERAPY
If its old news, sorry! Dated from 1999