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Segmentation is an important process that is frequently used during development to segregate groups of cells with distinct features. Segmental compartments provide a mechanism for generating and organizing regional properties along an embryonic axis and within tissues. In vertebrates the development of two major systems, the hindbrain and the paraxial(More)
The products of Hox genes function in assigning positional identity along the anterior-posterior body axis during animal development. In mouse embryos, Hox genes located at the 3' end of HoxA and HoxB complexes are expressed in nested patterns in the progenitors of the secondary heart field during early cardiogenesis and the combined activities of both of(More)
We present the case of a patient with Tako-Tsubo cardiomyopathy whose initial diagnosis, based on the location of shoulder and chest pain and electrocardiographic (ECG) changes, suggested that she was suffering from pericarditis. However, 24 h after admission, evolutionary changes of ECG and the echocardiogram performed suggested a Tako-Tsubo(More)
BAC transgenesis in mice has proved to be useful in exploring the regulatory mechanisms and functions of the Hox complexes. The large constructs used may include most of the relevant components of the cis-regulatory landscape. Manipulations can be accomplished without compromising the integrity of the endogenous complex which reduces the likelihood of(More)
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