MMP-2,MMP-9 and Activin A blood levels in patients with breast cancer or prostate cancer metastatic to the bone.

Giovam Battista Rini, Gaetano Leto, Carlo Arcara, Carmela Sferrazza, Salvatore Fricano, Lorena Incorvaia, Danilo Di Trapani, Giuseppe Badalamenti, Nicola Gebbia, Giovambattista Rini

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Abstract

Background: The clinical significance of the circulating levels of activin A and matrix metalloproteinase-2 (MMP-2) and -9 (MMP-9) was investigated in patients with breast cancer (BC) or prostate cancer (PC) with (M1) or without (M0) bone metastasis. Patients and Methods: MMP-2, MMP-9 and activin A blood concentrations were measured by enzyme immunoassays in 79 cancer patients and in 57 healthy blood donors (HS) who served as a control group. The diagnostic accuracy of these molecules to discriminate between M0 and M1 patients was evaluated by the receiver operating characteristic curve (ROC) and compared to that of tumor markers CA15.3 or prostate-specific antigen (PSA). Results: Activin A and MMP-2 were significantly increased in BC and PC patients as compared to sex-matched HS while MMP-9 levels were more elevated only in the PC patients. Interestingly, in the PC patients, activin A levels were significantly higher than those measured in the BC patients. In this latter group, activin A and CA15.3 but not MMP-2 or MMP-9 were increased in the M1 patients as compared to M0 patients. Furthermore, a significant relationship was also highlighted between activin A concentration and the number of bone metastases and tumor grade, between MMP-9 and tumor grade, and between MMP-2 and CA15.3. ROC curve analysis showed a good diagnostic accuracy for activin A and CA15.3 but a poor accuracy for MMP-2 and MMP-9 in discriminating between M0 and M1 patients. However, CA15.3 retained the best diagnostic accuracy in this respect. In the PC group, only activin A and PSA levels were significantly increased in the M1 patients as compared to the M0 patients. A similar although not statistically significant trend was noted for MMP-9. Interestingly, a significant correlation was observed between PSA and activin A and MMP-9, and between Activin A and Gleason score and the number of skeletal metastases. ROC curve analysis showed a good diagnostic accuracy for activin A, MMP-9 and PSA and a poor diagnostic accuracy for MMP-2 in detecting M1 patients. However, PSA showed the highest diagnostic accuracy. Conclusion: Activin A, MMP-2 and MMP-9 may be regarded as possible therapeutic targets in the treatment of metastatic bone disease. However, their usefulness as additional markers of bone metastasis remains to be better defined
Lingua originaleEnglish
pagine (da-a)1519-1526
Numero di pagine8
RivistaAnticancer Research
Volume27
Stato di pubblicazionePublished - 2007

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All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

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Rini, G. B., Leto, G., Arcara, C., Sferrazza, C., Fricano, S., Incorvaia, L., Di Trapani, D., Badalamenti, G., Gebbia, N., & Rini, G. (2007). MMP-2,MMP-9 and Activin A blood levels in patients with breast cancer or prostate cancer metastatic to the bone. Anticancer Research, 27, 1519-1526.