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Table 4 Measurement of the spread of current in a 100-cell chain containing various numbers of gj-channels

From: Cable properties and propagation velocity in a long single chain of simulated myocardial cells

  ΔVm(mV)
Cell Number Number of gj-channels
  0 10 30 100 300 1000 3000
47 0 0 0 0 2.3 8.1 12.8
48 0 0 0 0 6.6 14.5 17.6
49 0 0 0 7.4 17.8 26.1 25.9
50 0 8 19.4 38.3 50.4 46.8 36.9
51 298 280 252 200 138 (50.9) 83.0 (30.5) 50.0 (18.4)
52 0 8 19.4 38.3 50.4 46.8 36.9
53 0 0 0 7.4 17.8 26.1 25.9
54 0 0 0 0 6.6 14.5 17.6
55 0 0 0 0 2.3 8.1 12.8
  1. Io (10 nA) was injected in the middle of the chain, namely cell # 51.
  2. Vx = Vo e-x/λ. When x = λ, Vx = Vo 1/e = 0.368 Vo.
  3. Values given in parentheses (cell #51) are the 1/e values (0.368 x Vo).