Regionally restricted developmental defects resulting from targeted disruption of the mouse homeobox gene hox-1.5.

Abstract excerpt

Gene targeting in mouse embryo-derived stem cells has been used to disrupt the homeobox gene hox-1.5. Mice heterozygous at the hox-1.5 locus appear normal, whereas hox-1.5-/hox-1.5- mice die at or shortly after birth. These homozygotes are athymic, aparathyroid, have reduced thyroid and submaxillary tissue and exhibit a wide range of throat abnormalities. In addition, they often feature defects of the heart and...

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