**** *** * **** **** *** Shahriary et al.- Supplementary Figure 4 (a) Incubated Nrg-1 50 ng/ml Fresh Nrg-1 50 ng/ml Incubated Nrg-1 200 ng/ml Fresh Nrg-1 200 ng/ml Control media Incubated IFN-γ+ TNF-α Fresh IFN-γ+ TNF-α **** *** % of BrdU+ to DAPI+ cells (a) Control media Incubated Nrg-1 50 ng/ml Fresh Nrg-1 200 ng/ml IFN-γ+ TNF-α b c d e f g h BrdU+ DAPI BrdU+ DAPI GFAP/DAPI Control media Incubated Nrg-1 50 ng/ml Fresh Nrg-1 200 ng/ml j k l m n Proportion of GFAP+/DAPI+ cells normalized to control media (i) **** * Incubated Nrg-1 200 ng/ml Control media Nrg-1 50 ng/ml Fresh NG2/DAPI p q r s t Proportion of NG2+/DAPI+ cells normalized to control media (o) *** ****