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EnglishPreeclampsia (PE) is a serious disorder of human pregnancy, it is often associated with fetal growth restriction (FGR) which is a failure of the fetus to reach its own growth potential. Activator protein-1 (AP-1) is a family of transcription factors inducible in response to a variety of extracellular stimuli and functions. AP-1 plays a complex role in the regulation of different fundamental cellular processes, including cell proliferation, survival, death and transformation. We investigate the expression pattern of AP-1 transcription factors in normal placentas during gestation and in placentas from PE without and with FGR using semiquantitative RT-PCR and immunohistochemistry techniques. The most interesting data concern the alterations of protein expression patterns of c-fos, Jun D and c-jun in normal gestation as well as in PE and PE-FGR pathologies. In addition, alterations but not significant changes are detected in mRNA expressions for these transcription factors. We strongly suggest that c-fos is implicated in regulating invasiveness mechanism of extravillous trophoblast in normal gestation as well as in PE placentas. In addition, we suggest that the opposite modulation of Jun D and c-jun in PE and PE-FGR supports the recent hypothesis that PE and PE-FGR could be considered two pathologies with different origin (maternal and placental) each of which has a different molecular pattern of expression
| Titolo: | Activating protein-1 family of transcription factors in the human placenta complicated by preeclampsia with and without fetal growth restriction | |
| Autori Riconosciuti: | ||
| Autori: | Marzioni D; Todros T; Cardaropoli S; Rolfo A; Lorenzi T.; Ciarmela P.; Romagnoli R.; Paulesu L.; Castellucci M. | |
| Data di pubblicazione: | 2010 | |
| Abstract: | Preeclampsia (PE) is a serious disorder of human pregnancy, it is often associated with fetal growth restriction (FGR) which is a failure of the fetus to reach its own growth potential. Activator protein-1 (AP-1) is a family of transcription factors inducible in response to a variety of extracellular stimuli and functions. AP-1 plays a complex role in the regulation of different fundamental cellular processes, including cell proliferation, survival, death and transformation. We investigate the expression pattern of AP-1 transcription factors in normal placentas during gestation and in placentas from PE without and with FGR using semiquantitative RT-PCR and immunohistochemistry techniques. The most interesting data concern the alterations of protein expression patterns of c-fos, Jun D and c-jun in normal gestation as well as in PE and PE-FGR pathologies. In addition, alterations but not significant changes are detected in mRNA expressions for these transcription factors. We strongly suggest that c-fos is implicated in regulating invasiveness mechanism of extravillous trophoblast in normal gestation as well as in PE placentas. In addition, we suggest that the opposite modulation of Jun D and c-jun in PE and PE-FGR supports the recent hypothesis that PE and PE-FGR could be considered two pathologies with different origin (maternal and placental) each of which has a different molecular pattern of expression | |
| Volume: | 31 | |
| Fascicolo: | 10 | |
| Pagina iniziale: | 919 | |
| Pagina finale: | 927 | |
| Digital Object Identifier (DOI): | 10.1016/j.placenta.2010.08.001 | |
| Parole Chiave: | Preeclampsia; FGR; Placenta; Jun; Fos; AP-1 | |
| Rivista: | PLACENTA | |
| Appare nelle tipologie: | 03A-Articolo su Rivista |
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