We have characterised a 2.4-Mb genomic sequence of a smallest region of overlap (SRO) deleted in the human microdeletion syndrome 7p21 by in silico analysis. Patients harbouring this minimal deletion present in addition to the clinical features of Saethre-Chotzen syndrome (MIM 101400) a distinct learning disability. This genomic region shows a very low gene content. Besides the transcription factor gene TWIST, the Histone Deacetylase 9 (HDAC9), Sorting Nexin 13 (SNX13) and an evolutionarily conserved bHLH transcription factor gene Nephew of Atonal 3 (HNATO3) have been detected previously. Here we describe the localisation and characterisation of the TWIST NEIGHBOR (TWISTNB) gene. Comparison of the predicted proteins of human TWISTNB and mouse Twistnb shows a high degree of conservation. Northern blot analysis of human fetal and adult tissues shows ubiquitous expression in all tissues tested.
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| rdf:type | |
| rdfs:comment |
We have characterised a 2.4-Mb genomic sequence of a smallest region of overlap (SRO) deleted in the human microdeletion syndrome 7p21 by in silico analysis. Patients harbouring this minimal deletion present in addition to the clinical features of Saethre-Chotzen syndrome (MIM 101400) a distinct learning disability. This genomic region shows a very low gene content. Besides the transcription factor gene TWIST, the Histone Deacetylase 9 (HDAC9), Sorting Nexin 13 (SNX13) and an evolutionarily conserved bHLH transcription factor gene Nephew of Atonal 3 (HNATO3) have been detected previously. Here we describe the localisation and characterisation of the TWIST NEIGHBOR (TWISTNB) gene. Comparison of the predicted proteins of human TWISTNB and mouse Twistnb shows a high degree of conservation. Northern blot analysis of human fetal and adult tissues shows ubiquitous expression in all tissues tested.
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| skos:exactMatch | |
| uniprot:name |
Cytogenet. Genome Res.
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| uniprot:author |
Kosan C.,
Kunz J.
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| uniprot:date |
2002
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| uniprot:pages |
167-170
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| uniprot:title |
Identification and characterisation of the gene TWIST NEIGHBOR (TWISTNB) located in the microdeletion syndrome 7p21 region.
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| uniprot:volume |
97
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| dc-term:identifier |
doi:10.1159/000066618
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