Abstract
Aim: The Thomsen-Friedenreich antigen (TF-Ag) is a disaccharide hidden on normal cells, but selectively exposed on the surface of breast, colon, prostate and bladder cancer cells. JAA-F11, a highly specific monoclonal antibody to TF-Ag, reduces metastasis and prolongs survival in a mouse model. In addition, 124I-JAA-F11 localizes 4T1 tumors in mice. These studies continue translation of JAA-F11 to human breast cancer. Materials & methods & results: Of the 41 human breast cancer cell lines tested, 78% were positive for reactivity with JAA-F11 by whole-cell enzyme immunoassay and positivity occurred unrelated to estrogen, progesterone or HER2 receptor status. JAA-F11 inhibited the growth rate of the human cancer cell lines tested. At 1 h, approximately 80% of JAA-F11 internalized in the three cell lines tested. 124I-JAA-F11 specifically imaged human triple-negative tumors in mice by microPET. Conclusion: The results highlight the potential that humanized JAA-F11 may have for immunotherapy and drug conjugate therapy in breast cancer patients.
| Original language | English |
|---|---|
| Pages (from-to) | 385-399 |
| Number of pages | 15 |
| Journal | Future Oncology |
| Volume | 10 |
| Issue number | 3 |
| DOIs | |
| State | Published - Feb 2014 |
Keywords
- Enzyme immunoassay
- Human breast cancer cell lines
- JAA-F11 monoclonal antibody
- Monoclonal antibody
- Thomsen-Friedenreich antigen
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