In this report, we describe a protocol for isolating highly purified populations of leukocytes that infiltrate tumors. This protocol is adapted from the Miltenyi Biotech protocol to enhance yield and purity for isolating cells from complex tumor tissue.
Watkins, S. K., Zhu, Z., Watkins, K. E., Hurwitz, A. A. Isolation of Immune Cells from Primary Tumors. J. Vis. Exp. (64), e3952, doi:10.3791/3952 (2012).