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Title: The urokinase plasminogen activator and its inhibitors PAI-1 nad PAI-2 in primary cutaneous melanoma Authors: ID Markovič Božič, Jasmina (Author) ID Štabuc, Borut (Author) Files: PDF - Presentation file, download (231,89 KB) MD5: D0FA8BE6813165ADA262EE762CAC2B97   Language: English Typology: 1.01 - Original Scientific Article Organization: OI - Institute of Oncology Abstract: Background. We investigated the differences in urokinase plasminogen activator(uPA) and its inhibitors type-1 and 2 (PAI-1/2) concentrations in clinically suspected nevi, primary cutaneous melanoma and normal skin and correlations with histopathological prognostic factors of primary melanoma. Patients and methods. Fifty-one patients were enrolled. The tissue concentrations of uPA, PAI 1 and PAI2 were quantified by enzyme-linked immunosorbent assay (ELISA). Results. Mean uPA and PAI-1 concentrations in melanomas were higher than in normal surrounding skin (uPA: 1.08; vs. 0.48 ng/mgp; PAI-1: 14.07 vs. 2.07 ng/mgp; p < 0.001), uPA and PAI-1 concentrationswere higher in melanomas than in nevi, and higher in nevi than in normal surrounding skin (uPA: p > 0.05; PAI-1: p = 0.02). PAI-2 concentration was higher in normal surrounding skin than in nevi and melanomas(p > 0.05). Melanoma uPA, PAI-1 and PAI-2 concentrations correlated significantly with normal skin (r= 0.73, 0.54, 0.38 respectively). PAI 1 was significantly lower in melanomas of Breslow thickness < 0.75 mm, Clark invasion of O+I, without microscopic ulceration, without vascular invasion (p < 0.01) than in melanomas of Breslow thickness > 0.75 mm, Clark invasion > II,with ulceration and vascular invasion. Conclusions. Determination of uPA and PAI-1 can provide significant additional prognostic information for melanoma patients. Publication status: Published Publication version: Version of Record Publication date: 01.01.2003 Publisher: Association of Radiology and Oncology Year of publishing: 2003 Number of pages: str. 29-35 Numbering: Letn. 37, št. 1 Source: Ljubljana PID: 20.500.12556/DiRROS-18101-a3587b01-f563-8101-0321-e4e383b02641  UDC: 616.5 ISSN on article: 1318-2099 COBISS.SI-ID: 16232665  Copyright: by Authors Note: BSDOCID96231; Publication date in DiRROS: 06.02.2024 Views: 463 Downloads: 103 Metadata:    Cite this work Plain text BibTeX EndNote XML EndNote/Refer RIS ABNT ACM Ref AMA APA Chicago 17th Author-Date Harvard IEEE ISO 690 MLA Vancouver : Copy citation

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Record is a part of a journal

Title:	Radiology and oncology
Shortened title:	Radiol. oncol.
Publisher:	Slovenian Medical Society - Section of Radiology, Croatian Medical Association - Croatian Society of Radiology
ISSN:	1318-2099
COBISS.SI-ID:	32649472

Secondary language

Language:	Slovenian
Title:	[Urokinazni plazminogenski aktivator in njegova inhibitorja PAI-1 in PAI-2 pri primarnem kožnem melanomu]
Abstract:	Izhodišča. Ugotavljali smo razlike v koncentracijah urokinaznega plazminogenskega aktivatorja (uPA) in njegovih inhibitorjev tipa 1 in 2 (PAI-1/2) v klinično sumljivih nevusih, primarnem kožnem melanomu in zdravi koži v okolici ter korelacije s histopatološkimi napovednimi dejavniki primarnega melanoma. Bolniki in metode. Vključili smo 51 bolnikov. Tkivne koncentracije uPA, PAI-1 in PAI-2 smo merili z encimskoimunsko metodo (ELISA).Rezultati. Povprečne koncentracije uPA in PAI-1 v melanomih so bile višje kot v zdravi koži (uPA: 1,08; vs. 0,48 ng/mgp; PAI-1: 14,07 vs. 2,07 ng/mgp; p < 0,001). Koncentracije uPA in PAI1 so bile višje v melanomih kot v nevusih in višje v nevusih kot v zdravi koži (p > 0,05). Koncentracija PAI-2 je bila višja v zdravi koži kot v nevusih in melanomih (p > 0,05). Koncentracije uPA, PAI-1 in PAI-2 v melanomih so statistično značilno korelirale s koncentracijami v zdravi koži (r = 0,73; 0,54; 0,38). Koncentracije PAI-1 so bile statistično značilno nižje v melanomih debeline poBreslowu <_ 0,75 mm, invazije po Clarku O+I, z odsotno mikroskopsko ulceracijo, z odsotno vaskularno invazijo (p < 0,01) kot v melanomih debeline po Breslowu > 0,75 mm, invazije po Clarku > II, s prisotno mikroskopsko ulceracijo, s prisotno vaskularno invazijo. Zaključki. Z določitvijo uPA in PAI-1 lahko dobimo pomemben dodaten podatek o prognozi bolnikov z melanomom.

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