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- W4299580293 abstract "No AccessJournal of UrologyClinical Urology: Original Article1 Feb 1997Evolution and Clinical Significance of the T Cell Proliferative and Cytokine Response Directed Against the Fibronectin Binding Antigen 85 Complex of Bacillus Calmette-Guerin During Intravesical Treatment of Superficial Bladder Cancer Alexandre R. Zlotta, Annie Drowart, Jean-Paul Van Vooren, Michel de Cock, Michel Pirson, Kamiel Palfliet, Fabienne Jurion, Albert Vanonckelen, Jacques Simon, Claude C. Schulman, and Kris Huygen Alexandre R. ZlottaAlexandre R. Zlotta More articles by this author , Annie DrowartAnnie Drowart More articles by this author , Jean-Paul Van VoorenJean-Paul Van Vooren More articles by this author , Michel de CockMichel de Cock More articles by this author , Michel PirsonMichel Pirson More articles by this author , Kamiel PalflietKamiel Palfliet More articles by this author , Fabienne JurionFabienne Jurion More articles by this author , Albert VanonckelenAlbert Vanonckelen More articles by this author , Jacques SimonJacques Simon More articles by this author , Claude C. SchulmanClaude C. Schulman More articles by this author , and Kris HuygenKris Huygen More articles by this author View All Author Informationhttps://doi.org/10.1016/S0022-5347(01)65185-1AboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract Purpose: The antitumorigenic effect of intravesical bacillus Calmette-Guerin (BCG) in superficial bladder cancer was reported to be initiated by the attachment of BCG to the bladder wall via fibronectin. The antigen 85 complex secreted in BCG culture filtrate binds specifically to fibronectin and is a powerful T cell stimulus. Therefore, we investigated the evolution and clinical significance of the cellular proliferative response and cytokine production during intravesical BCG therapy against this purified antigen 85 complex. Materials and Methods: Evolution of the lymphoproliferation, interleukin-2 and interferon-gamma production of peripheral blood lymphocytes against tuberculin (purified protein derivative), purified antigen 85, BCG culture filtrate, whole BCG bacilli and pokeweed mitogen was tested before and after 6 weekly intravesical BCG instillations in 29 patients with superficial bladder cancer at intermediate or high risk for recurrence. Results: A major increase in the lymphoproliferative response against purified protein derivative, antigen 85, BCG culture filtrate, whole BCG and pokeweed mitogen was observed in 69.0, 65.5, 79.3, 48.3 and 65.3% of the patients, respectively, analyzed after BCG therapy. Reactivity returned to baseline values at 6 months of followup. Of the patients who received a second BCG course because of tumor recurrence 66% had a novel increase in lymphoproliferation against antigen 85. An increase in the production of interleukin-2 and interferon-gamma by peripheral lymphocytes against antigen 85 was noted in 42.1 and 50% of the treated patients, respectively, after a single BCG course. During a mean followup of 23.11 months 48.5% of the patients remained tumor-free. No correlation could be found between the immunological response against any of the BCG antigens and the clinical evolution of the response. Conclusions: Intravesical BCG instillations induce a transient (less than 6 months) peripheral immune activation against several purified BCG antigens and among them the fibronectin binding antigen 85 complex. Reactivation is observed in most cases after additional BCG courses. The absence of long lasting immune activation after a single 6-week course of BCG could be related to the increased clinical efficacy observed with BCG maintenance instillations. References 1 : Long-term results of intravesical therapy for superficial bladder cancer. Urol. Clin. N. 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Google Scholar Department of Urology and Chest Department, Erasme Hospital, University Clinics of Brussels and Department of Virology, Pasteur Institute of Brussels, Brussels, Belgium.© 1997 by American Urological Association, Inc.FiguresReferencesRelatedDetailsCited By (2018) EDITORIAL COMMENTJournal of Urology, VOL. 166, NO. 4, (1305-1305), Online publication date: 1-Oct-2001.ELSÄSSER-BEILE U, GUTZEIT O, BAUER S, KATZENWADEL A, SCHULTZE-SEEMANN W and WETTERAUER U (2018) SYSTEMIC AND LOCAL IMMUNOMODULATORY EFFECTS OF INTRAVESICAL BCG THERAPY IN PATIENTS WITH SUPERFICIAL URINARY BLADDER CARCINOMASJournal of Urology, VOL. 163, NO. 1, (296-299), Online publication date: 1-Jan-2000.ZLOTTA A, NOEL J, FAYT I, DROWART A, VAN VOOREN J, HUYGEN K, SIMON J and SCHULMAN C (2018) CORRELATION AND PROGNOSTIC SIGNIFICANCE OF p53, p21WAF1/CIP1 AND Ki-67 EXPRESSION IN PATIENTS WITH SUPERFICIAL BLADDER TUMORS TREATED WITH BACILLUS CALMETTE-GUERIN INTRAVESICAL THERAPYJournal of Urology, VOL. 161, NO. 3, (792-798), Online publication date: 1-Mar-1999.ZLOTTA A, DROWART A, VAN VOOREN J, SHEKARSARAI H, DE COCK M, PIRSON M, PALFLIET K, JURION F, SIMON J, SCHULMAN C and HUYGEN K (2018) SUPERFICIAL BLADDER TUMORS AND INCREASED REACTIVITY AGAINST MYCOBACTERIAL ANTIGENS BEFORE BACILLUS CALMETTE-GUERIN THERAPYJournal of Urology, VOL. 159, NO. 6, (1885-1891), Online publication date: 1-Jun-1998. Volume 157Issue 2February 1997Page: 492-498 Advertisement Copyright & Permissions© 1997 by American Urological Association, Inc.MetricsAuthor Information Alexandre R. Zlotta More articles by this author Annie Drowart More articles by this author Jean-Paul Van Vooren More articles by this author Michel de Cock More articles by this author Michel Pirson More articles by this author Kamiel Palfliet More articles by this author Fabienne Jurion More articles by this author Albert Vanonckelen More articles by this author Jacques Simon More articles by this author Claude C. Schulman More articles by this author Kris Huygen More articles by this author Expand All Advertisement PDF DownloadLoading ..." @default.
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