Determinants of Sensitivity to DZNep Induced Apoptosis in Multiple Myeloma Cells
2011

Effects of DZNep on Multiple Myeloma Cells

Sample size: 8 publication 10 minutes Evidence: moderate

Author Information

Author(s): Xie Zhigang, Bi Chonglei, Cheong Lip Lee, Liu Shaw Cheng, Huang Gaofeng, Zhou Jianbiao, Yu Qiang, Chen Chien-Shing, Chng Wee Joo

Primary Institution: Cancer Science Institute of Singapore, National University of Singapore

Hypothesis

The study investigates the mechanisms of DZNep-induced apoptosis in multiple myeloma cells.

Conclusion

DZNep may be a viable therapeutic strategy for a subset of multiple myeloma patients due to its ability to down-regulate ALOX5 levels.

Supporting Evidence

  • DZNep treatment significantly inhibited growth and induced apoptosis in 2 of 8 multiple myeloma cell lines.
  • ALOX5 was the most down-regulated gene in sensitive cells after DZNep treatment.
  • Combining DZNep with ABT-737 synergistically inhibited growth and induced apoptosis in DZNep insensitive cells.

Takeaway

DZNep can help kill some cancer cells in multiple myeloma by lowering a specific protein called ALOX5, which helps the cancer cells survive.

Methodology

The study used various assays including MTS colorimetric assay, flow cytometry, and gene expression analysis to evaluate the effects of DZNep on multiple myeloma cell lines.

Limitations

The study primarily focused on a limited number of cell lines and may not fully represent the diversity of multiple myeloma.

Statistical Information

P-Value

0.002

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021583

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