mortality/aging
• mice die immediately after birth
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adipose tissue
• abnormal cell morphology in the presumptive brown adipose tissue (BAT) is seen at E20.5
• mitochondria from presumptive BAT at E20.5 have randomly oriented cristae
• presumptive BAT show a near complete loss of lipid staining at E20.5
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• MEFs fail to differentiate into brown adipocytes in culture
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• white adipose tissue shows decreased cell size at E20.5
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cellular
• MEFs fail to differentiate into brown adipocytes in culture
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• mitochondria from presumptive BAT at E20.5 have randomly oriented cristae
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