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Spatio-temporal transcriptome of the human brain 总被引:1,自引:0,他引:1
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Cornelia de Lange syndrome (CdLS) is a multiple malformation disorder characterized by dysmorphic facial features, mental retardation, growth delay and limb reduction defects. We indentified and characterized a new gene, NIPBL, that is mutated in individuals with CdLS and determined its structure and the structures of mouse, rat and zebrafish homologs. We named its protein product delangin. Vertebrate delangins have substantial homology to orthologs in flies, worms, plants and fungi, including Scc2-type sister chromatid cohesion proteins, and D. melanogaster Nipped-B. We propose that perturbed delangin function may inappropriately activate DLX genes, thereby contributing to the proximodistal limb patterning defects in CdLS. Genome analyses typically identify individual delangin or Nipped-B-like orthologs in diploid animal and plant genomes. The evolution of an ancestral sister chromatid cohesion protein to acquire an additional role in developmental gene regulation suggests that there are parallels between CdLS and Roberts syndrome. 相似文献
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Tarpey P Thomas S Sarvananthan N Mallya U Lisgo S Talbot CJ Roberts EO Awan M Surendran M McLean RJ Reinecke RD Langmann A Lindner S Koch M Jain S Woodruff G Gale RP Bastawrous A Degg C Droutsas K Asproudis I Zubcov AA Pieh C Veal CD Machado RD Backhouse OC Baumber L Constantinescu CS Brodsky MC Hunter DG Hertle RW Read RJ Edkins S O'Meara S Parker A Stevens C Teague J Wooster R Futreal PA Trembath RC Stratton MR Raymond FL Gottlob I 《Nature genetics》2006,38(11):1242-1244
Idiopathic congenital nystagmus is characterized by involuntary, periodic, predominantly horizontal oscillations of both eyes. We identified 22 mutations in FRMD7 in 26 families with X-linked idiopathic congenital nystagmus. Screening of 42 singleton cases of idiopathic congenital nystagmus (28 male, 14 females) yielded three mutations (7%). We found restricted expression of FRMD7 in human embryonic brain and developing neural retina, suggesting a specific role in the control of eye movement and gaze stability. 相似文献
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