clustering of the potassium channel Kir4. 1 and of the aquaporin AQP4 was proposed to be
the basis of the ERG abnormality observed in many Duchenne muscular dystrophy (DMD)
patients. However, the electroretinogram of Dp71-null mice, in which this clustering is
disrupted, shows only a moderate reduction of the b-wave with no change in the implicit
times. Additionally, the deficit in color discrimination found in DMD patients is hard to explain …