A method of immunodepletion that allows the growth of xenogeneic cell lines in mice is described. Treatment of adult BALB/c mice with sublethal irradiation (400 total body rads) and CD4+ lymphocyte depletion renders them tolerant to the growth of human lymphocytic (CEM), monocytic (U937), and epithelial (HEp-2) cell lines. The system has also been used to generate ascites from rat hybridomas. The methodology is technically easy, inexpensive, and expedient and should have multiple uses in biomedical research including mouse modeling of human viral infections and investigation of transplant rejection.


This work was in part supported by the United States Army Medical Research and Development Command under contract DAMD17-88-C-8071. This study was presented in part at the Fifth International Conference on AIDS, Montreal, WCP 144, p. 615, 1989. The views, opinions, interpretations, conclusions, recommendations, and/or findings contained in this report are those of the authors and should not be construed as an official Department of the Army position, policy, or decision unless so designated by other documentation.

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