While BM-MSCs and AD-MSCs showed no significant difference in the expression of PitX3, yet remarkable increase in the expression of NGN2 in BM-MSCs (10.6 ± 0.6 folds) as compared to those in AD-MSCs (8.3 ± 0.3 folds) was seen. The gene discussed is PITX3; the disease is Alzheimer disease.