Nanoparticle Improved Stem Cell Therapy for Erectile Dysfunction in a Rat Model of Cavernous Nerve Injury
2016
Purpose: Recently intracavernous injection of stem cells has garnered great interest as a potential treatment of erectile dysfunction. However, most stem cells are washed out immediately after intracavernous injection. The goal of this study was to investigate using NanoShuttle™ magnetic nanoparticles to maintain stem cells in the corpus cavernosum after intracavernous injection, thereby improving stem cell therapy of erectile dysfunction in an animal model.Materials and Methods: Adipose derived stem cells were magnetized with NanoShuttle magnetic nanoparticles to create Nano-adipose derived stem cells. A total of 24 rats underwent bilateral cavernous nerve crush and were randomly assigned to 3 groups, including adipose derived stem cells, Nano-adipose derived stem cells and Nano-adipose derived stem cells plus magnet. Cells were tracked at days 1, 3, 5 and 9 after intracavernous injection. Another 40 rats with bilateral cavernous nerve crush were randomly assigned to 4 groups, including bilateral caverno...
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