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Intratunical injection of stromal vascular fraction prevents fibrosis in a rat model of Peyronies disease
Univ Leuven, Belgium; Univ Coll London Hosp, England; IRCCS Osped San Raffaele, Italy.
Linköping University, Department of Medical and Health Sciences, Division of Drug Research. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Clinical Pharmacology. Lund Univ, Sweden.
Univ Leuven, Belgium.
Univ Leuven, Belgium; Airlangga Univ, Indonesia.
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2019 (English)In: BJU International, ISSN 1464-4096, E-ISSN 1464-410X, Vol. 124, no 2, p. 342-348Article in journal (Refereed) Published
Abstract [en]

Objective To investigate whether local injection of autologous adipose stromal vascular fraction (SVF) can prevent the development of fibrosis and elastosis in the tunica albuginea (TA) using a rat model of the acute phase of Peyronies disease (PD). Methods A total of 24 male 12-week-old Sprague-Dawley rats were divided into three equal groups: sham; PD without treatment (transforming growth factor-beta [TGF -beta]); and PD treated with SVF 1 day after disease induction. Sham rats received two injections of vehicle into the TA 1 day apart. TGF -beta rats received TGF- beta 1 injection and injection of vehicle 1 day later. SVF rats received TGF-beta 1 injection, followed by SVF 1 day later. One month after treatment, all rats underwent measurement of intracavernosal pressure and mean arterial pressure during electrostimulation of the cavernous nerve. The rats were then killed and penises were harvested for histology and Western blot analysis. Results Erectile function was moderately reduced in the TGF-beta group and was significantly improved after SVF treatment (P amp;lt; 0.05). PD rats developed areas of fibrosis with a significant upregulation of collagen III, collagen I and elastin protein expression. These fibrotic changes were prevented when treated with SVF. Conclusions Local injection of SVF may represent treatment for the acute phase of PD.

Place, publisher, year, edition, pages
WILEY , 2019. Vol. 124, no 2, p. 342-348
Keywords [en]
sexual dysfunction; penile plaque; adipose stem cell; #Peyronies; #erectiledysfunction
National Category
Surgery
Identifiers
URN: urn:nbn:se:liu:diva-160056DOI: 10.1111/bju.14570ISI: 000481428300026PubMedID: 30267556OAI: oai:DiVA.org:liu-160056DiVA, id: diva2:1349025
Note

Funding Agencies|European Society for Sexual Medicine; European Urological Scholarship Programme; National Institute for Health Research, Biomedical Research Centre at University College London Hospital

Available from: 2019-09-06 Created: 2019-09-06 Last updated: 2019-09-06

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