Figure 3. Abnormal nuclear morphology in NF-YA v-cko motor neurons.
(a,b) Sections of cervical cord (a) or brain stem (b) of 6-week-old NF-YA cko mice (flox/flox; VA-cre; RNZ) were stained with LacZ, lamin A/C and Grp94, and analyzed by confocal microscopy. Note the abnormal nuclear morphology of LacZ-positive cells without Grp94 staining. (c) Electron micrographs of spinal cord motor neurons in 5-week-old NF-YA v-cko (flox/flox, VA-cre) or Cont (flox/+) mice. Lower panels are enlarged images of upper ones. Note the abnormal nuclear morphology of motor neurons of NF-YA v-cko mice, compared to normal and rounded nuclei in those of control mice. Scale bars are 20 μm (a,b) and 10 μm (c).