Dual effect of chitosan activated platelet rich plasma (cPRP) improved erectile function after cavernous nerve injury.
2021
Background The intracavernosal (IC) injection of chitosan activated platelet rich plasma (cPRP) has shown to improve the erectile dysfunction in cavernous nerve injury rat model. However, the action target of PRP in improving neurogenic erectile dysfunction remains unclear. We aimed to determine the effect of cPRP action at early stage that further mediates its effect on erectile function (EF) recovery in the bilateral cavernous nerve crushing (BCNC) injury rat model. Methods Fifty-four rats were randomly divided into two equal groups: intracavernosal ( IC) injection of saline after BCNC (group 1) and IC injection of cPRP after BCNC (group 2). Five animals in each group were euthanized at 3, 7 and 14 day (d) post-injection, and the tissues were harvested to conduct transmission electron microscopy and histological assays. Six animals in each group were used to determine the recovery of EF at 14 and 28 d post-injury. Results IC injections of cPRP increased all EF parameters at 28 d and 14 d post-injury (p Conclusion These results suggest that the application of cPRP was beneficial to restore EF via neuroprotective and tissue-protective effects at early stage.
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