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Table 2 Effect of depolarization with high K+ on number of ER cisternal stacks in neuronal somas in dissociated cultures, expressed as number per 100 neuronal somas

From: Stimulation-induced structural changes at the nucleus, endoplasmic reticulum and mitochondria of hippocampal neurons

Exp

Cont

2′ K+

3′ K+

2′K+/EGTA

3′K+/EGTA

1

0 (20)

20 (20)

   

2

0 (31)

0 (16)

   

3

0 (22)

83 (18)

   

4

0 (20)

32 (28)

110 (20)

  

5

0 (20)

15 (20)

 

0 (20)

 

6

0 (20)

31 (16)

65 (17)

 

0 (20)

7

0 (20)

 

74 (23)

 

0 (20)

Mean ± SEM

0

30 ± 12

83 ± 14

 

0

  1. Statistical analysis by ANOVA with Tukey’s post-test: 3′ K+ is significant over other conditions (P < 0.0005 vs. cont; P < 0.05 vs. 2′K+; P < 0.005 vs. 3′ K/EGTA). 2′ K+ is barely significant over control (P < 0.1). Other multiple comparisons are all non-significant
  2. (n) number of somas examined
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Molecular Brain

ISSN: 1756-6606