Novel vitamin D analogues; cytotoxic and anti-proliferative activity against a diffuse large B-cell lymphoma cell line and B-cells from healthy donors

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  • Pawel Kozielewicz
  • Andrzej Kutner
  • John Gordon


Calcitriol (1,25-dihydroxyvitamin D3, 1,25D3) and vitamin D side-chain modified analogs (VDAs) have gained considerable attention as potential drugs in the treatment of acute myeloid leukemia (AML), yet studies of the impact of 1,25D3 and VDAs upon other haematological malignancies are more limited. To address this gap in knowledge, we have examined the action of 1,25D3 and VDAs on a human cell line (DOHH2, K422) typifying diffuse large B-cell lymphoma (DLBCL) and also peripheral blood B-cells isolated from healthy donors. 1,25D3 and certain VDAs displayed moderate cytotoxic and pro-apoptotic actions upon DLBCL cells. 1,25D3 and VDAs (100nM) caused the death of approximately 40% DOHH2 cells after 24hours stimulation, similar to their impact on HL-60 cells (acute myeloid leukaemia cell line). In addition, 1,25D3 and VDAs displayed concentration and time-dependent anti-proliferative actions upon stimulated B-cells from healthy donors. The VDAs inhibited proliferation by approximately 30%. Hence VDAs may offer therapeutic potential for the treatment of DLBCL or conditions benefitted by B-cell depletion.

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Original languageEnglish
JournalThe Journal of Steroid Biochemistry and Molecular Biology
Early online date17 Oct 2015
Publication statusE-pub ahead of print - 17 Oct 2015