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Related Experiment Videos

Hydrocephalus in the Otx2+/- mutant mouse

Y Makiyama1, S Shoji, H Mizusawa

  • 1Laboratory of Molecular Oncology, Tsukuba Life Science Center, Institute of Physical and Chemical Research (RIKEN), Ibaraki, Japan.

Experimental Neurology
|December 17, 1997
PubMed
Summary
This summary is machine-generated.

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Otx2 gene mutations in mice cause severe developmental issues, including hydrocephalus and skeletal abnormalities. This research highlights Otx2

Area of Science:

  • Developmental Biology
  • Genetics
  • Neuroscience

Background:

  • The Otx2 gene is crucial for embryonic development, particularly in the head region.
  • Mutations in developmental genes can lead to severe congenital abnormalities.

Purpose of the Study:

  • To investigate the role of the Otx2 gene in mammalian head development.
  • To characterize the phenotypic consequences of Otx2 mutations.

Main Methods:

  • Generation of Otx2+/- mutant mice using TT2 ES cells crossed with CBA mice.
  • Clinical observation and autopsy of affected animals.
  • Histological analysis of brain tissue.

Main Results:

  • Otx2+/- mice exhibit hydrocephalus, characterized by dilated lateral ventricles and a ballooned cerebrum.

Related Experiment Videos

  • Histology revealed edematous changes in periventricular white matter.
  • Associated phenotypes include craniobasal skeletal anomalies and dwarfism in some females.

    • Conclusions:

    • Otx2 functions as a critical head organizer during development.
    • Otx2 gene mutation is a likely cause of hydrocephalus in mammals.
    • Otx2+/- mutation leads to a spectrum of developmental defects affecting the brain and skeleton.