Neuronal Gap Junction Coupling Is Regulated by Glutamate and Plays Critical Role in Cell Death during Neuronal Injury

Table 1.

Incidence of electrotonic coupling in mature neuronal somatosensory cortical cultures under different experimental conditions

Conditions No. of tested neuronal pairs No. of coupled neuronal pairs
WT cultures
    Sham OGD
        Control 26 0
        LY379268 (2 μm) 23 4 (i) p = 0.042
        LY341495 (2 μm) 24 0 (i) NS
    OGD
        Nontreated 32 7 (i) p = 0.013
        LY379268 (2 μm) 25 10 (i) p = 0.0003, (ii) NS
        LY341495 (2 μm) 40 1 (i) NS, (ii) p = 0.019
Cx36 knock-out cultures
    Sham OGD
        Control 15 0
        LY379268 (2 μm) 18 0
    OGD
        Nontreated 18 0
  • Statistical analysis was as follows: Fisher's exact probability test, shown relative to control (i) and nontreated plus OGD (ii) in wild-type cultures. NS, Nonsignificant.

  1. The Journal of Neuroscience vol. 32 no. 2 713-725
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