NTRK1 and ganglioneuroma: By 30 minutes, ER-associated 110kDa TrkA had reduced to 42.5±3.6% (fractions 5 and 6; P = 0.0007, n = 6), COP-associated 110kDa TrkA had increased to 37.3±3.2% (fractions 3 and 4; P = 0.002, df = 6), GN-associated 110kDa TrkA had increased to 20±1.7% (fractions 1 and 2; P < 0.0001, df = 6) and 140kDa TrkA was more clearly detected in GN membranes (fractions 1 and 2).