PROCESS FOR CULTURING CELLS WHICH ARE CYTOTOXIC FOR NATURAL KILLER CELL RESISTANT TUMOR CELLS

摘要

There is disclosed an improved process for preparing lymphokine activated killer cells or tumor-infiltrating lymphocytes, the improvement comprising culturing precursor cells in a closed container made form copolymeric film material having a specified O2 permeability, selected from specified materials, and having a thickness of from about 0.04 mm to about 0.23 mm.