ArticleNeurourology and urodynamics2018
Sonic hedgehog regulation of human rhabdosphincter muscle:Potential implications for treatment of stress urinary incontinence.
Article in Neurourology and urodynamics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 5 citations in OpenAlex.
- Sonic Hedgehog Signaling in Primary Culture of Human Corpora Cavernosal Tissue From Prostatectomy, Diabetic, and Peyronie's Patients.The journal of sexual medicine · 2022Article
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Authors and funding
10 authors at 5 institutions in 1 country.
Funding
Abstract
aimsRhabdosphincter (RS) muscle injury occurs during prostatectomy, and is a leading cause of stress urinary incontinence (SUI). Current SUI treatments engender significant side effects, which negatively impact patient quality of life. Thus an unmet need exists to develop novel RS regeneration methods. We have shown that Sonic hedgehog (SHH) is a critical regulator of penile smooth muscle, and we have developed novel peptide amphiphile nanofiber hydrogel delivery of SHH protein to the penis to regenerate smooth muscle after prostatectomy induced injury. If similar SHH signaling mechanisms regulate RS muscle homeostasis, this innovative technology may be adapted for RS regeneration post-prostatectomy. We examine the SHH pathway in human RS muscle.
methodsHuman RS obtained during radical cystoprostatectomy (n = 13), underwent SHH pathway analysis. Primary cultures were established (n = 5), and RS cells were treated with SHH protein, SHH inhibitor, or PBS (control). Immunohistochemical analysis for SHH pathway, skeletal muscle actin, and trichrome stain were performed. RS growth was quantified at 3 and 6 days.
resultsSHH, it is receptors patched and smoothened, and transcriptional activators, GLI proteins, were identified in human RS muscle. At 3 and 6 days, RS cells increased 62% and 78% (P = 0.0001) with SHH treatment and decreased 40% (P = 0.0001) and 18% (P = 0.039) with SHH inhibition.
conclusionsThe SHH pathway was identified in human RS. RS growth increased with SHH treatment, indicating intervention may be possible to enhance RS regeneration, and impact SUI. Peptide amphiphile delivery of SHH may be applicable for RS regeneration and SUI prevention.
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