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Removal Of Tumor-Associated Immune Cell Protein Decreases Tumor Progression

The number of tumor-associated is correlated with poor prognosis in . Reducing these cells in mouse models of reduces , indicating that tumor-immune interactions are critical for cancer progression.

In the July 8, 2013 issue of the , and colleagues at the University of North Carolina a Chapel Hill demonstrate that removal of the protein MerTK from immune cells decreased tumor growth in mouse models of breast cancer, melanoma, and colon cancer. Loss of MerTK reduced the release of molecules associated with inflammation.

These findings suggest that drugs that inhibit MerTK may stimulate anti-tumor responses and could potentially have clinical benefit.


MerTK inhibition in tumor leukocytes decreases tumor growth and metastasis, Rebecca S. Cook, Kristen M. Jacobsen, Anne M. Wofford, Deborah DeRyckere, Jamie Stanford, Anne L. Prieto, Elizabeth Redente, Melissa Sandahl, Debra M. Hunter, Karen E. Strunk, Douglas K. Graham and H. Shelton Earp, J Clin Invest. doi:10.1172/JCI67655

Journal of Clinical Investigation