Similarly, cholinergic projection neurons labeled for TrkA were significantly lower in numbers for L1 cohorts in MS (F1,312) = 6.6, p = 0.015) and VDB/HDB/NBM (F(1,32) = 12.8, p = 0.001) (Figure 5B,C). The gene discussed is NTRK1; the disease is myeloid sarcoma.