Expression of the VAP-B(P56S) mutant in cultured cells results in the formation of insoluble protein aggregates. These aggregates might induce loss-of-function of wild-type VAP-B protein, gain of toxic function, or both.

Expression of the VAP-B(P56S) mutant in cultured cells results in the formation of insoluble protein aggregates. These aggregates might induce loss-of-function of wild-type VAP-B protein, gain of toxic function, or both.