partially differentiated ESC BG01 partial diff

c("cell type: ESC", "cell line: BG01")
c("cell type: partially differentiated ESC", "parental cell line: BG01")
c("cell type: ESC", "parental cell line: H9")
c("cell type: partial differentiated ESC", "parental cell line: H9")
c("cell type: ESC", "cell line: BG01")
cell type: primary fetal RPE
c("cell type: pigmented cluster", "parental cell line: H9")
c("cell type: ES-RPE", "parental cell line: H9")
c("cell type: ES-RPE", "parental cell line: hiPS2")
c("cell type: ES-RPE", "parental cell line: HSF1")