Coordinate up-regulation of Sp1 DNA-binding activity and urokinase receptor expression in breast carcinoma(832 views) Zannetti A, Del Vecchio S, Carriero MV, Fonti R, Franco P, Botti G, D'Aiuto G, Stoppelli MP, Salvatore M
Cancer Res (ISSN: 0008-5472, 1538-7445, 1538-7445electronic), 2000 Mar 15; 60(6): 1546-1551.
Keywords: Transcription Factor Sp1, Urokinase, Urokinase Receptor, Article, Breast Carcinoma, Cancer Invasion, Human, Human Cell, Priority Journal, Protein Expression, Regulatory Mechanism, Adult, Aged, 80 And Over, Blotting, Western, Breast Neoplasms, Dna-Binding Proteins, Female, Hela Cells, Immunohistochemistry, Middle Aged, Oligonucleotides, Protein Binding, Cell Surface, Sp1 Transcription Factor, Tumor Cells, Cultured, Up-Regulation, Urinary Plasminogen Activator,
Affiliations: Centro Medicina Nucleare, Consiglio Nazionale delle Ricerche, Università Federico II, 80131 Naples, Italy
Ist. Naz. Stud. e la Cura dei Tumori, 80131 Naples, Italy
Ist. Internazionale Genet. e Biofis., 80125 Naples, Italy
Medicina Nucleare, II Facoltà di Medicina, Università Federico II, Via S. Pansini, 5, 80131 Naples, Italy
References: Not available.
Coordinate up-regulation of Sp1 DNA-binding activity and urokinase receptor expression in breast carcinoma
The regulatory mechanisms underlying the overexpression of urokinase- type plasminogen activator (uPA) and its receptor (uPAR) in highly invasive breast carcinomas remain poorly understood. In this study, we have simultaneously determined the level of uPAR and the activity of the transcription factor Sp1 in 14 breast carcinomas and 5 benign lesions. We found that uPAR levels and Sp1-binding activity are coordinately elevated in malignant tumors (r, 0.94; P < 0.001). On the contrary, undetectable or only barely detectable levels of uPAR and Sp1 activity were found in benign breast lesions. Finally, the engagement of uPAR by catalytically inactive uPA in the MDA-MB-231 breast carcinoma cell line results in a rapid up-regulation of Sp1-binding activity followed by an increase of uPAR protein. These results, taken together, suggest the existence of a uPA-dependent positive regulatory loop that may progressively enhance malignant breast cell invasiveness.
Coordinate up-regulation of Sp1 DNA-binding activity and urokinase receptor expression in breast carcinoma
Petraglia F, Singh AA, Carafa V, Nebbioso A, Conte M, Scisciola L, Valente S, Baldi A, Mandoli A, Petrizzi VB, Ingenito C, De Falco S, Cicatiello V, Apicella I, Janssen-megens EM, Kim B, Yi G, Logie C, Heath S, Ruvo M, Wierenga ATJ, Flicek P, Yaspo ML, Della Valle V, Bernard O, Tomassi S, Novellino E, Feoli A, Sbardella G, Gut I, Vellenga E, Stunnenberg HG, Mai A, Martens JHA, Altucci L * Combined HAT/EZH2 modulation leads to cancer-selective cell death(608 views) Oncotarget (ISSN: 1949-2553electronic, 1949-2553linking), 2018 May 22; 9(39): 25630-25646. Impact Factor:5.008 ViewExport to BibTeXExport to EndNote
Santulli G, Cipolletta E, Sorriento D, Del Giudice C, Anastasio A, Monaco S, Maione AS, Condorelli G, Puca A, Trimarco B, Illario M, Iaccarino G * CaMK4 gene deletion induces hypertension(522 views) J Am Heart Assoc Journal Of The American Heart Association (ISSN: 2047-9980), 2012; 1(4): N/D-N/D. Impact Factor:2.882 ViewExport to BibTeXExport to EndNote
Aloj L, Aurilio M, Rinaldi V, D'Ambrosio L, Tesauro D, Peitl PK, Maina T, Mansi R, Von Guggenberg E, Joosten L, Sosabowski JK, Breeman WA, De Blois E, Koelewijn S, Melis M, Waser B, Beetschen K, Reubi JC, De Jong M * The EEE project(650 views) Proc Int Cosm Ray Conf Icrc Universidad Nacional Autonoma De Mexico, 2007; 5(HEPART2): 977-980. Impact Factor:0 ViewExport to BibTeXExport to EndNote
Vitiello M, Finamore E, Falanga A, Raieta K, Cantisani M, Galdiero F, Pedone C, Galdiero M, Galdiero S * Fusion in Coq(732 views) Lecture Notes In Computer Science (ISSN: 0302-9743, 0302-974335404636319783540463634, 0302-974335402975459783540297543), 2001; 2178LNCS: 583-596. Impact Factor:0.415 ViewExport to BibTeXExport to EndNote