Epigenetic control of the critical region for premature ovarian failure on autosomal genes translocated to the X chromosome: a hypothesis. (Articolo in rivista)

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  • Epigenetic control of the critical region for premature ovarian failure on autosomal genes translocated to the X chromosome: a hypothesis. (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s00439-007-0329-z (literal)
Alternative label
  • Rizzolio F; Sala C; Alboresi S; Bione S; Gilli S; Goegan M; Pramparo T; Zuffardi O; Toniolo D. (2007)
    Epigenetic control of the critical region for premature ovarian failure on autosomal genes translocated to the X chromosome: a hypothesis.
    in Human genetics; Springer Berlin / Heildelberg, Berlin (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Rizzolio F; Sala C; Alboresi S; Bione S; Gilli S; Goegan M; Pramparo T; Zuffardi O; Toniolo D. (literal)
Pagina inizio
  • 441 (literal)
Pagina fine
  • 450 (literal)
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  • Original contribution, not a review (literal)
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  • http://www.springerlink.com/content/kj2182815417t10t/?MUD=MP (literal)
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  • 121 (literal)
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  • REVIEW (literal)
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  • 10 (literal)
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  • 3-4 (literal)
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  • ISI Web of Science (WOS) (literal)
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  • Department of Molecular Biology and Functional Genomics, San Raffaele Scientific Institute, Milan, Italy; Institute of Molecular Genetics, CNR, Pavia, Italy; Department of Pathology and Medical Genetics, University of Pavia, Pavia, Italy; DIBIT, San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy. (literal)
Titolo
  • Epigenetic control of the critical region for premature ovarian failure on autosomal genes translocated to the X chromosome: a hypothesis. (literal)
Abstract
  • Chromosomal rearrangements in Xq are frequently associated to premature ovarian failure (POF) and have contributed to define a POF “critical region” from Xq13.3 to Xq26. Search for X-linked genes responsible for the phenotype has been elusive as most rearrangements did not interrupt genes and many were mapped to gene deserts. We now report that ovary-expressed genes flanked autosomal breakpoints in four POF cases analyzed whose X chromosome breakpoints interrupted a gene poor region in Xq21, where no ovary-expressed candidate genes could be found. We also show that the global down regulation in the oocyte and up regulation in the ovary of X-linked genes compared to the autosomes is mainly due to genes in the POF “critical region”. We thus propose that POF, in X;autosome balanced translocations, may not only be caused by haploinsufficiency, but also by a oocyte-specific position effect on autosomal genes, dependent on dosage compensation mechanisms operating on the active X chromosome in mammals. (literal)
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