http://www.cnr.it/ontology/cnr/individuo/prodotto/ID21272
HMGA2 induces pituitary tumorigenesis by enhancing E2F1 activity. (Articolo in rivista)
- Type
- Label
- HMGA2 induces pituitary tumorigenesis by enhancing E2F1 activity. (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.ccr.2006.04.024 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Fedele M; Visone R; De Martino I; Troncone G; Palmieri D; Battista S; Ciarmiello A; Pallante P; Arra C; Melillo RM; Helin K; Croce CM; Fusco A. (literal)
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- Rivista
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- Note
- ISI Web of Science (WOS) (literal)
- Scopus (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Istituto di Endocrinologia ed Oncologia Sperimentale del CNR and Dipartimento di Biologia e Patologia Cellulare e Molecolare,
Universita` di Napoli ''Federico II'', 80131 Naples, Italy
Division of Human Cancer Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio 43210
Dipartimento di Anatomia Patologica, Universita` di Napoli ''Federico II'', 80131 Naples, Italy
Istituto dei Tumori di Napoli Fondazione ''G. Pascale'', via Semmola, 80131 Naples, Italy
Biotech Research & Innovation Centre, Fruebjergvej 3, 2100 Copenhagen, Denmark
European Institute of Oncology, Department of Experimental Oncology, 20141 Milan, Italy
NOGEC (Naples Oncogenomic Center) - CEINGE, Biotecnologie Avanzate, Naples, Italy (literal)
- Titolo
- HMGA2 induces pituitary tumorigenesis by enhancing E2F1 activity. (literal)
- Abstract
- HMGA2 gene amplification and overexpression in human prolactinomas and the development of pituitary adenomas in
HMGA2 transgenic mice showed that HMGA2 plays a crucial role in pituitary tumorigenesis. We have explored the pRB/
E2F1 pathway to investigate the mechanism by which HMGA2 acts. Here we show that HMGA2 interacts with pRB and induces
E2F1 activity in mouse pituitary adenomas by displacing HDAC1 from the pRB/E2F1 complex--a process that results
in E2F1 acetylation. We found that loss of E2F1 function (obtained by mating HMGA2 and E2F12/2 mice) suppressed pituitary
tumorigenesis in HMGA2 mice. Thus, HMGA2-mediated E2F1 activation is a crucial event in the onset of these tumors in
transgenic mice and probably also in human prolactinomas. (literal)
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