{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:49:10Z","timestamp":1787017750777,"version":"build-2736575974"},"reference-count":44,"publisher":"American Physiological Society","issue":"3","funder":[{"DOI":"10.13039\/501100001807","name":"S\u00e3o Paulo Research Foundation","doi-asserted-by":"crossref","award":["2017\/15175-1"],"award-info":[{"award-number":["2017\/15175-1"]}],"id":[{"id":"10.13039\/501100001807","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Coordination of Improvement of Higher Education Personnel","award":["1680776"],"award-info":[{"award-number":["1680776"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Renal Physiology"],"published-print":{"date-parts":[[2018,9,1]]},"abstract":"<jats:p>\n                    Interstitial Cystitis\/Bladder Pain Syndrome (IC\/BPS) is a chronic inflammatory disease without consistently effective treatment. We investigate the role of toll-like receptor 4 (TLR4) on voiding dysfunction and inflammation in the cyclophosphamide (CYP)-induced mouse cystitis. Male C57BL\/6 [wild-type, (WT)] and\/or TLR4 knockout (TLR4\n                    <jats:sup>\u2212\/\u2212<\/jats:sup>\n                    ) mice were treated with an injection of CYP (300 mg\/kg, 24 h) or saline (10 ml\/kg). The pharmacological blockade of the TLR4 by resatorvid (10 mg\/kg) was also performed 1 h prior CYP-injection in WT mice. Urodynamic profiles were assessed by voiding stain on filter paper and filling cystometry. Contractile responses to carbachol were measured in isolated bladders. In CYP-exposed WT mice, mRNA for TLR4, myeloid differentiation primary response 88, and TIR-domain-containing adapter-inducing interferon-\u03b2 increased by 45%, 72%, and 38%, respectively ( P &lt; 0.05). In free-moving mice, CYP-exposed mice exhibited a higher number of urinary spots and smaller urinary volumes. Increases of micturition frequency and nonvoiding contractions, concomitant with decreases of intercontraction intervals and capacity, were observed in the filling cystometry of WT mice ( P &lt; 0.05). Carbachol-induced bladder contractions were significantly reduced in the CYP group, which was paralleled by reduced mRNA for M2 and M3 muscarinic receptors. These functional and molecular alterations induced by CYP were prevented in TLR4\n                    <jats:sup>\u2212\/\u2212<\/jats:sup>\n                    and resatorvid-treated mice. Additionally, the increased levels of inflammatory markers induced by CYP exposure, myeloperoxidase activity, interleukin-6, and tumor necrosis factor-alpha were significantly reduced by resatorvid treatment. Our findings reveal a central role for the TLR4 signaling pathway in initiating CYP-induced bladder dysfunction and inflammation and thus emphasize that TLR4 receptor blockade may have clinical value for IC\/BPS treatment.\n                  <\/jats:p>","DOI":"10.1152\/ajprenal.00100.2018","type":"journal-article","created":{"date-parts":[[2018,5,2]],"date-time":"2018-05-02T09:01:37Z","timestamp":1525251697000},"page":"F460-F468","source":"Crossref","is-referenced-by-count":24,"title":["Deletion or pharmacological blockade of TLR4 confers protection against cyclophosphamide-induced mouse cystitis"],"prefix":"10.1152","volume":"315","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2226-2530","authenticated-orcid":false,"given":"Mariana G.","family":"de Oliveira","sequence":"first","affiliation":[{"name":"Department of Pharmacology, Faculty of Medical Sciences, University of Campinas, Campinas, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabiola Z.","family":"M\u00f3nica","sequence":"additional","affiliation":[{"name":"Department of Pharmacology, Faculty of Medical Sciences, University of Campinas, Campinas, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabiano B.","family":"Calmasini","sequence":"additional","affiliation":[{"name":"Department of Pharmacology, Faculty of Medical Sciences, University of Campinas, Campinas, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9482-6799","authenticated-orcid":false,"given":"Eduardo C.","family":"Alexandre","sequence":"additional","affiliation":[{"name":"Department of Pharmacology, Faculty of Medical Sciences, University of Campinas, Campinas, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edith B. 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