by Bob Yirka, Medical Xpress The number of injected hfNPCs inversely correlates with brain volume loss. Color-coded areas of brain atrophy (blue) and growth (red) representing PBVC at 2 years from hfNPC transplantation in two representative patients, respectively, receiving a low dose (a, red in c) and high dose (b, green in c) of hfNPCs....