is_specified_input_of suspension cell line culturing immortal human B cell line cell SUP-B15 cell disease: acute lymphoblastic leukemia LCL-1041 SUP-B15 ATCC: CRL-1929 WEB: http://www.atcc.org/products/all/CRL-1929.aspx CRL-1929 ATCC CRL-1929 an immortal human B cell line cell that is derived from a 8-year-old Caucasian male human patient with an acute lymphoblastic leukemia. WEB: http://www.atcc.org/~/ps/CRL-1929.ashx