passages.id: split_6_test_2263_passage
passages.type: progene_text
passages.text: To this end , we established three lines of congenic SHL mice with a genetic background of C57BL/6 , BALB/c or C3H / He , and named them , respectively , C57BL/6.KOR - Apoe ( shl ) ( B6.KOR - Apoe ( shl ) ) , BALB / c.KOR - Apoe (shl) ( C.KOR - Apoe ( shl ) ) and C3H / He.KOR - Apoe ( shl ) ( C3.KOR - Apoe ( shl ) ) .