Brain size reductions associated with endothelin B receptor mutation, a cause of Hirschsprung's disease.

Abstract excerpt

BACKGROUND: ETB has been reported to regulate neurogenesis and vasoregulation in foetal development. Its dysfunction was known to cause HSCR, an aganglionic colonic disorder with syndromic forms reported to associate with both small heads and developmental delay. We therefore asked, "is CNS maldevelopment a more general feature of ETB mutation?" To investigate, we reviewed the micro-CT scans of an ETB-/- model...

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