Compensatory CSF2-driven macrophage activation promotes adaptive resistance to CSF1R inhibition in breast-to-brain metastasis
F. Klemm, A. Schaeffer, A. Salamero-Boix, T. Alekseeva, M. Schulz, K. Niesel, R. R. Maas, M. Groth, B. T. Elie, R. L. Bowman, M. E. Hegi, R. T. Daniel, P. S. Zeiner, J. Zinke, P. N. Harter, , L. Sevenich
The paper shows that blocking CSF1R in brain metastases initially reduces tumor growth but is ineffective in established tumors due to compensatory macrophage activation, which is overcome by combining CSF1R and STAT5 inhibition.
bioRxiv · Jun 7, 2021Cancer Biology