Bloch R J, Randall W R
Curr Biol. 1994 Oct 1;4(10):936-8. doi: 10.1016/s0960-9822(00)00211-6.
alpha-Dystroglycan has been suggested to be the receptor for agrin, an extracellular glycoprotein that signals postsynaptic differentiation at the neuromuscular junction, but it may not have the necessary specificity.
