mortality/aging
• die within a few hours of birth
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craniofacial
• observed in homozygotes with ~80% penetrance
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digestive/alimentary system
• observed in homozygotes with ~80% penetrance
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nervous system
N |
• synapse formation and membrane properties of cultured neurons are not significantly different from wild-type neurons; vesicle pool sizes and evoked neurotransmitter release are similar in mutant and wild-type neurons
|
• number of apoptotic neurons in thalamus is increased 3-fold compared to controls
|
• excitatory spontaneous mini events show 2-fold increase in frequency in cultured neurons, while inhibitory minifrequency is decreased ~1.4 fold
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respiratory system
• plethysmography of newborns shows severe postnatal respiratory failure
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cellular
• number of apoptotic neurons in thalamus is increased 3-fold compared to controls
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growth/size/body
• observed in homozygotes with ~80% penetrance
|