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dc.contributor.authorGallardo, M. Esther-
dc.contributor.authorLopez-Rios, Javier-
dc.contributor.authorFernaud-Espinosa, Isabel-
dc.contributor.authorGranadino, Begoña-
dc.contributor.authorSanz, Raúl-
dc.contributor.authorRamos, Carmen-
dc.contributor.authorAyuso, Carmen-
dc.contributor.authorSeller, Mary J.-
dc.contributor.authorBrunner, Han G.-
dc.contributor.authorBovolenta, Paola-
dc.contributor.authorRodríguez de Córdoba, Santiago-
dc.date.accessioned2013-03-07T10:07:02Z-
dc.date.available2013-03-07T10:07:02Z-
dc.date.issued1999-
dc.identifierdoi: 10.1006/geno.1999.5916-
dc.identifierissn: 0888-7543-
dc.identifiere-issn: 1089-8646-
dc.identifier.citationGenomics 61(1):82-91(1999)-
dc.identifier.urihttp://hdl.handle.net/10261/71660-
dc.description.abstractThe Drosophila gene sine oculis (so), a nuclear homeoprotein that is required for eye development, has several homologues in vertebrates (the SIX gene family). Among them, SIX3 is considered to be the functional orthologue of so because it is strongly expressed in the developing eye. However, embryonic SIX3 expression is not limited to the eye field, and SIX3 has been found to be mutated in some patients with holoprosencephaly type 2 (HPE2), suggesting that SIX3 has wide implications in head development. We report here the cloning and characterization of SIX6, a novel human SIX gene that is the homologue of the chick Six6(Optx2) gene. SIX6 is closely related to SIX3 and is expressed in the developing and adult human retina. Data from chick and mouse suggest that the human SIX6 gene is also expressed in the hypothalamic and the pituitary regions. SIX6 spans 2567 bp of genomic DNA and is split in two exons that are transcribed into a 1393-nucleotide-long mRNA. Chromosomal mapping of SIX6 revealed that it is closely linked to SIX1 and SIX4 in human chromosome 14q22.3-q23, which provides clues about the origin and evolution of the vertebrate SIX family. Recently three independent reports have associated interstitial deletions at 14q22.3-q23 with bilateral anophthalmia and pituitary anomalies. Genomic analyses of one of these cases demonstrated SIX6 hemizygosity, strongly suggesting that SIX6 haploinsufficiency is responsible for these developmental disorders.-
dc.description.sponsorshipThis work was supported by the Fundación Jose Antonio de Castro, the Spanish Comisión Interministerial de Ciencia y Tecnología (SAF96/ 0055), the Fondo de Investigaciones Sanitarias (FIS95/0885) to S.R. deC., the Spanish Direccio´n General de Enseñananza (PM97-0019), the Comunidad de Madrid (08.5-0008/1997), and the European Communities (BIO4-CT98-0399) to P.B. J.L-R and M.E.G. are supported by predoctoral fellowships from the Spanish Ministerio de Educación y Cultura.-
dc.language.isoeng-
dc.publisherElsevier España-
dc.relationBIO4-CT98-0399-
dc.rightsclosedAccess-
dc.titleGenomic cloning and characterization of the human homeobox gene SIX6 reveals a cluster of SIX genes in chromosome 14 and associates SIX6 hemizygosity with bilateral anophthalmia and pituitary anomalies-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.1006/geno.1999.5916-
dc.date.updated2013-03-07T10:07:02Z-
dc.description.versionPeer Reviewed-
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