{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T19:10:37Z","timestamp":1761765037620},"reference-count":27,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2008,6,12]],"date-time":"2008-06-12T00:00:00Z","timestamp":1213228800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neurourology and Urodynamics"],"published-print":{"date-parts":[[2008,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>The goal of this study was to investigate the effect of different severities in bladder dysfunction on corpus cavernosum physiology, morphology and expression of Rho\u2010kinase in rabbits.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Male New Zealand rabbits were divided into control, 2 and 8 weeks of partial bladder outlet obstruction (PBOO) groups. Isolated cavernosal strips from all groups were precontracted with phenylephrine and the relaxant responses to electrical field stimulation (EFS), ATP, acetylcholine, and sodium nitroprusside (SNP) were determined. Histological and molecular studies were performed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Corpus cavernosum smooth muscle (CCSM) from 8 weeks obstruction rabbits showed significant decreases in the contractile response to phenylephrine and further decreased relaxation responses to EFS in comparison to 2 weeks group. Relaxation induced by ATP, acetylcholine, and SNP were all significantly diminished at both 2 and 8 weeks obstruction equally. The ratio of smooth muscle to collagen decreased at 2 weeks and further dropped at 8 weeks obstruction. Expression of both isoforms of Rho\u2010kinase were increased in both obstruction groups at 2 weeks obstruction and decreased significantly (from the 2 week obstructed values) at 8 weeks while remaining above control values.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The present study indicated that severe bladder dysfunction secondary to chronic PBOO induced significant physiological dysfunctions of CCSM as well as morphological changes. Activities of both ROK isoenzymes showed increases at 2\u2010 and 8\u2010week obstructions. Increase in Rho\u2010kinase expression\/activity would be expected to make the CCSM more difficult to relax and also contribute to reduction of EFS\u2010induced relaxation of CCSM after chronic PBOO. Neurourol. Urodynam. 27:826\u2013831, 2008, \u00a9 2008 Wiley\u2010Liss, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/nau.20607","type":"journal-article","created":{"date-parts":[[2008,6,12]],"date-time":"2008-06-12T19:47:34Z","timestamp":1213300054000},"page":"826-831","source":"Crossref","is-referenced-by-count":11,"title":["The effect of chronic partial bladder outlet obstruction on corpus cavernosum smooth muscle and Rho\u2010kinase in 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