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• W2023003333 abstract "No AccessJournal of UrologyInvestigative Urology1 May 1996Argon Laser Induced Autofluorescence May Distinguish Between Normal and Tumor Human Urothelial Cells: A Microspectrofluorimetric Study Maurice Anidjar, Olivier Cussenot, Jocelyne Blais, Olivier Bourdon, Sigrid Avrillier, Dominique Ettori, Jean-Marie Villette, Jean Fiet, Pierre Teillac, and Alain Le Duc Maurice AnidjarMaurice Anidjar More articles by this author , Olivier CussenotOlivier Cussenot More articles by this author , Jocelyne BlaisJocelyne Blais More articles by this author , Olivier BourdonOlivier Bourdon More articles by this author , Sigrid AvrillierSigrid Avrillier More articles by this author , Dominique EttoriDominique Ettori More articles by this author , Jean-Marie VilletteJean-Marie Villette More articles by this author , Jean FietJean Fiet More articles by this author , Pierre TeillacPierre Teillac More articles by this author , and Alain Le DucAlain Le Duc More articles by this author View All Author Informationhttps://doi.org/10.1016/S0022-5347(01)66195-0AboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract Purpose: To assess the ability of argon laser-induced autofluorescence spectroscopy (LIAFS) to discriminate normal from tumor human urothelial cells. Materials and Methods: Emission spectra of single living cells excited at 488 nm. have been studied with a confocal microspectrofluorimeter. Results: Cellular autofluorescence appeared as a broad band with a maximum in the same “green” spectral range, 550 to 560 nm., probably corresponding to oxidized flavoprotein emission. However, the maximum autofluorescence intensity of normal urothelial cells was much higher, 10 times (p less than 0.0001) that of any of the tumor cell types tested. Conclusion: These results, suggesting a significantly reduced oxidized flavoprotein concentration in tumor urothelial cells, should prompt us to evaluate argon LIAFS as a potential tool to detect occult urothelial severe dysplasia and carcinoma in situ. References 1 : Detection and localization of in situ carcinoma of the bladder with hematoporphyrin derivative. Mayo Clin. Proc1982; 57: 548. 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Google Scholar 15 : Fluorometric studies of flavin component of the respiratory chain. In: Flavins and Flavoproteins. Edited by . New York: Elsevier Publishing Company1996: 510. Google Scholar 16 : Cellular autofluorescence–Is it due to flavins?. J. Histochem. Cytochem1979; 27: 44. Google Scholar 17 : B Vitamins in cancerous tissues I. Riboflavin. Cancer Res1942; 2: 739. Google Scholar 18 : Autofluorescence of normal and malignant bronchial tissue. Lasers Surg. Med1991; 11: 99. Google Scholar 19 : Detection and localization of early lung cancer by imaging techniques. Chest1993; 103: 12S. Google Scholar 20 : Spectral optical-density measurements of small particles and breast tissues. Appl. Opt.1993; 32: 4, 549. Google Scholar 21 : Intracellular oxidation-reduction states in vivo. Science1962; 137: 499. Google Scholar 22 : Characteristic autofluorescence for cancer diagnosis and its origin. Lasers Surg. Med1987; 7: 528. Google Scholar 23 : Endogenous porphyrin fluorescence in tumors. Lasers Surg. Med1987; 7: 467. Google Scholar Departement d' Urologie and the Laboratoire de Biologie Hormonale, Hopital Saint-Louis, the Laboratoire de Physico-Chimie Biomoleculaire et Cellulaire, Universite P. et M. Curie, Paris, and the Laboratoire de Physique des Lasers, Universite Paris XIII, Villetaneuse, France.© 1996 by American Urological Association, Inc.FiguresReferencesRelatedDetailsCited bySchäfauer C, Ettori D, Rouprêt M, Phé V, Tualle J, Tinet E, Avrillier S, Egrot C, Traxer O and Cussenot O (2018) Detection of Bladder Urothelial Carcinoma Using In Vivo Noncontact, Ultraviolet Excited Autofluorescence Measurements Converted into Simple Color Coded Images: A Feasibility StudyJournal of Urology, VOL. 190, NO. 1, (271-277), Online publication date: 1-Jul-2013. Volume 155Issue 5May 1996Page: 1771-1774 Advertisement Copyright & Permissions© 1996 by American Urological Association, Inc.MetricsAuthor Information Maurice Anidjar More articles by this author Olivier Cussenot More articles by this author Jocelyne Blais More articles by this author Olivier Bourdon More articles by this author Sigrid Avrillier More articles by this author Dominique Ettori More articles by this author Jean-Marie Villette More articles by this author Jean Fiet More articles by this author Pierre Teillac More articles by this author Alain Le Duc More articles by this author Expand All Advertisement PDF downloadLoading ..." @default.
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