CD26/dipeptidyl peptidase IV enhances expression of topoisomerase II alpha and sensitivity to apoptosis induced by topoisomerase II inhibitors
2003

CD26 Enhances Cancer Cell Sensitivity to Treatment

publication Evidence: moderate

Author Information

Author(s): K Sato, U Aytac, T Yamochi, K Ohnuma, K S McKee, C Morimoto, NH Dang

Primary Institution: MD Anderson Cancer Center

Hypothesis

Does CD26/dipeptidyl peptidase IV enhance the expression of topoisomerase II alpha and sensitivity to apoptosis induced by topoisomerase II inhibitors?

Conclusion

The presence of CD26/DPPIV enhances sensitivity to apoptosis induced by topoisomerase II inhibitors, which may be exploited for future cancer treatments.

Supporting Evidence

  • CD26 Jurkat transfectants showed increased sensitivity to etoposide and doxorubicin.
  • Enhanced apoptosis was linked to increased cleavage of apoptotic proteins.
  • CD26 presence was associated with higher topoisomerase II alpha expression.

Takeaway

CD26 helps cancer cells die when treated with certain drugs, making them more effective in fighting cancer.

Methodology

The study involved using Jurkat T-cell leukaemia stable transfectants to assess the effects of CD26/DPPIV on apoptosis induced by doxorubicin and etoposide.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6601253

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