A t(2;8) balanced translocation with breakpoints near the human HOXD complex causes mesomelic dysplasia and vertebral defects
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Mammalian Hox genes encode transcription factors that are crucial for proper morphogenesis along the various body axes. Despite their extensive structural and functional characterization, the nature of their target genes remains elusive. We have addressed ...
2005
Single nucleotide polymorphisms (SNPs) are likely to contribute to the study of complex genetic diseases. The genomic sequence of human chromosome 21q was recently completed with 225 annotated genes, thus permitting efficient identification and precise map ...
The mouse limb deformity (ld) mutations cause limb malformations by disrupting epithelial-mesenchymal signaling between the polarizing region and the apical ectodermal ridge. Formin was proposed as the relevant gene because three of the five ld alleles dis ...
Polyalanine expansion in the human HOXD13 gene induces synpolydactyly (SPD), an inherited congenital limb malformation. A mouse model was isolated, which showed a spontaneous alanine expansion due to a 21-bp duplication at the corresponding place in the mo ...
In mice, the loxP/Cre recombinase-dependent system of recombination offers powerful possibilities for engineering genetic configurations of interest. This system can also be advantageously used for conditional mutagenesis in vivo, whenever such an approach ...
2002
The evolution of metazoan body plans has involved changes to the Hox genes, which are involved in patterning the body axis and display striking evolutionary conservation of structure and expression. Invertebrates contain a single Hox cluster whereas tetrap ...
During limb development, coordinated expression of several Hoxd genes is required in presumptive digits. We searched for the underlying control sequences upstream from the cluster and found Lunapark (Lnp), a gene which shares limb and CNS expression specif ...
2003
Homeobox genes play an important role in the regulation of early embryonic development. They represent a family of evolutionarily highly conserved transcription factors. In this work, several genes that belong to the four HOX gene clusters are assigned by ...
Hox genes, located at one end of the HoxD cluster, are essential for the development of the extremities of our limbs; that is, the digits. This 'collinear' correspondence is accompanied by a gradual decrease in the transcriptional efficiency of the genes. ...
The CCAAT/enhancer binding protein family (C/EBP) are transcription factors that play integral roles in the development and function of many organ systems, including hematopoietic cells, adipose tissues, and liver. We have identified and characterized puta ...
