File Name : supplementary figure 1.tif

Caption :  the authentication of sh-sy5y cells. the dna of cells were isolated and used for pcr amplification of mouse or human line-1 fragments. the pcr products were subjected to 1% agarose gel electrophoresis. lane1: ds5000 bp ladder. lanes2-5: products from primers of mouse line-1 fragments (lane2: positive control#1 (mouse dna); lane3: negative control#1 (human dna); lanes4-5: sh-sy5y). lanes6-9: products from primers of human line-1 fragments (lane6: positive control#2 (human dna); lane7: negative control#2 (mouse dna); lanes8-9: sh-sy5y).