http://www.cnr.it/ontology/cnr/individuo/prodotto/ID313494
Down-regulation of oestrogen receptor-beta associates with transcriptional co-regulator PATZ1 delocalization in human testicular seminomas (Articolo in rivista)
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- Down-regulation of oestrogen receptor-beta associates with transcriptional co-regulator PATZ1 delocalization in human testicular seminomas (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/path.2846 (literal)
- Alternative label
Esposito, Francesco; Boscia, Francesca; Franco, Renato; Tornincasa, Mara; Fusco, Alfredo; Kitazawa, Sohei; Looijenga, Leendert H.; Chieffi, Paolo (2011)
Down-regulation of oestrogen receptor-beta associates with transcriptional co-regulator PATZ1 delocalization in human testicular seminomas
in Journal of pathology (Print)
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- Esposito, Francesco; Boscia, Francesca; Franco, Renato; Tornincasa, Mara; Fusco, Alfredo; Kitazawa, Sohei; Looijenga, Leendert H.; Chieffi, Paolo (literal)
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- Seconda Universita degli Studi di Napoli; University of Naples Federico II; University of Naples Federico II; University of Naples Federico II; Ist Nazl Tumori Fdn G Pascale; Kobe University; Erasmus University Rotterdam (literal)
- Titolo
- Down-regulation of oestrogen receptor-beta associates with transcriptional co-regulator PATZ1 delocalization in human testicular seminomas (literal)
- Abstract
- Oestrogen exposure has been linked to a risk for the development of testicular germ cell cancers. The effects of oestrogen are now known to be mediated by oestrogen receptor-alpha (ER alpha) and ER beta subtypes, but only ER beta has been found in human germ cells of normal testis. However, its expression was markedly diminished in seminomas, embryonal cell carcinomas and mixed germ cell tumours, but remains high in teratomas. PATZ1 is a recently discovered zinc finger protein that, due to the presence of the POZ domain, acts as a transcriptional repressor affecting the basal activity of different promoters. We have previously described that PATZ1 plays a crucial role in normal male gametogenesis and that its up-regulation and mislocalization could be associated with the development of testicular germ cell tumours. Here we show that ER beta interacts with PATZ1 in normal germ cells, while down-regulation of ER beta associates with transcriptional co-regulator PATZ1 delocalization in human testicular seminomas. In addition, we show that the translocation of PATZ1 from the cytoplasm into the nucleus is regulated by cAMP, which also induces increased expression and nuclear localization of ER beta, while this effect is counteracted by using the anti-oestrogen ICI 182-780. Copyright (C) 2011 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd. (literal)
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