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  • Title: The effects of retinoic Acid analogs on the blast cells of acute myeloblastic-leukemia in culture.
    Author: Tohda S, Shudo K, Minden M.
    Journal: Int J Oncol; 1994 Jun; 4(6):1311-4. PubMed ID: 21567054.
    Abstract:
    The effects of retinoic acid (RA) analogues, Am80 and Ch55, on acute myeloblastic leukemia (AML) cells, acute promyelocytic leukemia (APL) cells, and normal bone marrow (BM) cells, were studied in vitro. These analogues have different binding affinity to RA receptors and cellular retinoic acid binding proteins (CRABP). All-trans RA (ATRA) showed various effects on the proliferation of AML cells and BM cells. These analogues showed similar effects. Regarding the differentiation of APL cells into neutrophils, Ch55 and Am80 were more potent than ATRA. Ch55, which does not bind to CRABP, may overcome the clinical problem of retinoid-resistance due to the induction of CRABP.
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