Dickkopf2 rescues erectile function by enhancing penile neurovascular regeneration in a mouse model of cavernous nerve injury

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dc.contributor.authorGhatak, Kalyanko
dc.contributor.authorYin, Guo Nanko
dc.contributor.authorChoi, Min-Jiko
dc.contributor.authorLimanjaya, Anitako
dc.contributor.authorNguyen Nhat Minhko
dc.contributor.authorOck, Jiyeonko
dc.contributor.authorSong, Kang-Moonko
dc.contributor.authorKang, Dong Hyukko
dc.contributor.authorKwon, Young-Guenko
dc.contributor.authorKim, Ho Minko
dc.contributor.authorRyu, Ji-Kanko
dc.contributor.authorSuh, Jun-Kyuko
dc.date.accessioned2018-01-30T04:17:08Z-
dc.date.available2018-01-30T04:17:08Z-
dc.date.created2018-01-08-
dc.date.created2018-01-08-
dc.date.issued2017-12-
dc.identifier.citationSCIENTIFIC REPORTS, v.7-
dc.identifier.issn2045-2322-
dc.identifier.urihttp://hdl.handle.net/10203/238777-
dc.description.abstractPenile erection is a neurovascular event and neurologic or vascular disturbances are major causes of erectile dysfunction (ED). Radical prostatectomy for prostate cancer not only induces cavernous nerve injury (CNI) but also results in cavernous angiopathy, which is responsible for poor responsiveness to oral phosphodiesterase-5 inhibitors. Dickkopf2 (DKK2) is known as a Wnt signaling antagonist and is reported to promote mature and stable blood vessel formation. Here, we demonstrated in CNI mice that overexpression of DKK2 by administering DKK2 protein or by using DKK2-Tg mice successfully restored erectile function: this recovery was accompanied by enhanced neural regeneration through the secretion of neurotrophic factors, and restoration of cavernous endothelial cell and pericyte content. DKK2 protein also promoted neurite outgrowth in an ex vivo major pelvic ganglion culture experiment and enhanced tube formation in primary cultured mouse cavernous endothelial cells and pericytes co-culture system in vitro. In light of critical role of neuropathy and angiopathy in the pathogenesis of radical prostatectomy-induced ED, reprogramming of damaged erectile tissue toward neurovascular repair by use of a DKK2 therapeutic protein may represent viable treatment option for this condition.-
dc.languageEnglish-
dc.publisherNATURE PUBLISHING GROUP-
dc.subjectENDOTHELIAL GROWTH-FACTOR-
dc.subjectRAT MODEL-
dc.subjectRADICAL PROSTATECTOMY-
dc.subjectTHERAPEUTIC TARGET-
dc.subjectCORPUS CAVERNOSUM-
dc.subjectSTEM-CELLS-
dc.subjectDYSFUNCTION-
dc.subjectSILDENAFIL-
dc.subjectPERICYTES-
dc.subjectRECOVERY-
dc.titleDickkopf2 rescues erectile function by enhancing penile neurovascular regeneration in a mouse model of cavernous nerve injury-
dc.typeArticle-
dc.identifier.wosid000418359600069-
dc.identifier.scopusid2-s2.0-85038639347-
dc.type.rimsART-
dc.citation.volume7-
dc.citation.publicationnameSCIENTIFIC REPORTS-
dc.identifier.doi10.1038/s41598-017-17862-5-
dc.contributor.localauthorKim, Ho Min-
dc.contributor.nonIdAuthorGhatak, Kalyan-
dc.contributor.nonIdAuthorYin, Guo Nan-
dc.contributor.nonIdAuthorChoi, Min-Ji-
dc.contributor.nonIdAuthorLimanjaya, Anita-
dc.contributor.nonIdAuthorNguyen Nhat Minh-
dc.contributor.nonIdAuthorOck, Jiyeon-
dc.contributor.nonIdAuthorSong, Kang-Moon-
dc.contributor.nonIdAuthorKang, Dong Hyuk-
dc.contributor.nonIdAuthorKwon, Young-Guen-
dc.contributor.nonIdAuthorRyu, Ji-Kan-
dc.contributor.nonIdAuthorSuh, Jun-Kyu-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
dc.subject.keywordPlusENDOTHELIAL GROWTH-FACTOR-
dc.subject.keywordPlusRAT MODEL-
dc.subject.keywordPlusRADICAL PROSTATECTOMY-
dc.subject.keywordPlusTHERAPEUTIC TARGET-
dc.subject.keywordPlusCORPUS CAVERNOSUM-
dc.subject.keywordPlusSTEM-CELLS-
dc.subject.keywordPlusDYSFUNCTION-
dc.subject.keywordPlusSILDENAFIL-
dc.subject.keywordPlusPERICYTES-
dc.subject.keywordPlusRECOVERY-
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