Reports

Fate of α-Bungarotoxin Bound to Acetylcholine Receptors of Normal and Denervated Muscle

Science  26 Apr 1974:
Vol. 184, Issue 4135, pp. 473-475
DOI: 10.1126/science.184.4135.473

Abstract

In organ culture, α-[125I]bungarotoxin bound to extrajunctional receptors of denervated muscle is lost from the tissue at a more rapid rate than the toxin bound to the junctional receptors of normal muscle. The rapid loss of toxin from denervated muscle can be blocked by inhibitors of energy production and protein synthesis, and may reflect turnover of the toxin-receptor complex in the membrane.

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