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Article
April 1991

Treatment of Human Melanoma Hepatic Metastases in Nude Mice With Human Cytotoxic T Lymphocytes

Author Affiliations

From the Department of Surgery, Duke University Medical Center, Durham, NC.

Arch Surg. 1991;126(4):433-437. doi:10.1001/archsurg.1991.01410280031003
Abstract

• We investigated the effects of human melanoma–specific cytotoxic T lymphocytes in treating experimental human melanoma hepatic metastases in a nude mouse model of adoptive immunotherapy. Hepatic metastases were generated by intrasplenic injection of 1.5×106 human melanoma cells. Three days after injection, animals received salt solution and interleukin 2 or interleukin 2 and cytotoxic T lymphocytes. Twenty-four of 25 control animals had developed multiple tumor nodules in the liver; 11 of 13 animals receiving only interleukin 2 also had significant tumor burdens. In striking contrast, 17 of 18 animals receiving cytotoxic T lymphocytes and interleukin 2 had no gross or histologic evidence of tumors. The remaining animal had a 2-mm nodule. Human tumor-specific cytotoxic T lymphocytes are effective in vivo in a model of adoptive immunotherapy and may prove useful in adoptive immunotherapy of humans with metastatic melanoma.

(Arch Surg. 1991;126:433-437)

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