Northern blot analysis of DHA, ROCK-1, and Homer-3. mRNA expression was analyzed in 4 myeloma cell lines (RPMI 8226, MM1S, U266, and IM9), 5 leukemia cell lines, HL60 (acute promyelocytic leukemia), HEL (erythroleukemia), K562 (chronic myelogenous leukemia), KG1 (acute myelogenous leukemia), Jurkat (acute T-cell leukemia), 1 Burkitt lymphoma cell line (Daudi), 2 primary AML cells, and PBL and BM from healthy donors.