Table 1.

Microelectrode recordings from mouse diaphragm

MEPP MEPC Quantal content of EPP
Mouse n Amplitude (mV) Amplitude (msec) n Amplitude (nA) Amplitude (msec) n
Control (C57BL/6) 49 0.89 ± 0.036 1.45 ± 0.041 31 2.27 ± 0.090 0.55 ± 0.017 29 42.8 ± 2.6
α-Syntrophin null 32 0.69 ± 0.020 (p < 0.001) 1.31 ± 0.057 (p < 0.05) 45 2.09 ± 0.087 (p, NS) 0.39 ± 0.023 (p < 0.001) 28 49.4 ± 3.4 (p, NS)
α/β2-Syntrophin null 47 0.73 ± 0.025 (p < 0.001) 1.53 ± 0.056 (p, NS) 42 1.71 ± 0.059 (p < 0.001) 0.39 ± 0.022 (p < 0.001) 17 39.1 ± 3.9 (p, NS)
  • Values indicate mean ± SE; n indicates the number of endplates examined. NS, Not significant.