Mouse sample preparation: 'Severe' SMA mice (Smn-/-;SMN2+/+) and wild-type (Smn+/+;SMN2+/+) littermates at postnatal day 5 (P5) were sacrificed by chilling on ice and decapitation. Levator auris longus (LAL, from the back of the neck) muscles were dissected in oxygenated mammalian physiological s...
ORGANISM(S): Mus musculus (Mouse)
