Luminometric assay. (A) AT-101 alone in 6 cell lines of lymphoma and multiple myeloma; IC50s (μM) to AT-101 are shown; estimates from analysis of means and confidence intervals are shown between parentheses. (B) Combination of AT-101 with carfilzomib or 4-HC in HBL-2 after 24 hours. (C) Combination of AT-101 with carfilzomib or 4-HC in Granta after 24 hours. Error bars represent SD.