Table 2

Quantitative analysis of Kv2.1 and Kv2.2 immunoreactivities in cartwheel cells

Cell bodies in
p27 male
Cell bodies
in p30 male
Cell bodies in
p34 female
Cell bodies
in the three mice
AISs in the
three mice
Proximal dendrites
in biocytin-filled cells
Kv2.1(+) and Kv2.2
(+)/total
25/37 (67.6%)31/43 (72.1%)36/50 (72.0%)92/130 (70.8%)0/12 (0.0%)0/10 (0.0%)
Kv2.1(−) and Kv2.2
(+)/total
11/37 (29.7%)10/43 (23.3%)13/50 (26.0%)34/130 (26.2%)0/12 (0.0%)0/10 (0.0%)
Kv2.1(+) and Kv2.2
(-)/total
0/37 (0%)0/43 (0%)0/50 (0%)0/130 (0%)0/12 (0.0%)0/10 (0.0%)
Kv2.1(−) and Kv2.2 (−)/total1/37 (2.7%)2/43 (4.7%)1/50 (2.0%)4/130 (3.1%)12/12 (100.0%)10/10 (100.0%)
  • For the examination of immunoreactivity to cell bodies and AISs, ryanodine-positive, medium-sized cells were considered as cartwheel cells. When cartwheel cells were labeled intracellularly, the cell type was confirmed by recording the characteristic complex spiking behavior.