Faculty Research 1990 - 1999

Title

Screening mouse mutations for resistance to cancer metastasis.

Document Type

Article

Publication Date

1992

Keywords

Crosses-Genetic, Disease-Susceptibility: ge, Female, H-2-Antigens: ge, Linkage-(Genetics), Lymphoma: ge, im, Male, Mice, Mice-Inbred-C57BL, Mutation, Neoplasm-Metastasis: ge, im, Neoplasm-Transplantation, Rhabdomyosarcoma: ge, im, Sarcoma-Experimental: ge, im, SUPPORT-U-S-GOVT-P-H-S

JAX Source

Immunogenetics 1992;36(4):219-23

Grant

GM28017, GM40563

Abstract

To search for host genes for resistance/susceptibility to cancer metastasis, mutation analysis was employed. Ten putative mutants of resistance to lymphoma EL4 and four putative mutants of resistance to sarcoma MCA/77-23 of C57BL/6J (B6) mice were produced. These mutants were designated S (for "survivor:) mutants; they do not reject parental strain B6 skin grafts. S-mutants resist moderate tumor cell doses: TD50 values in them were increased by a factor of 12 to 600. Genetic linkage tests showed that five S-mutants were linked to mouse major histocompatibility complex (H-2) and five other S-mutants were not linked to this locus. A group of H-2-linked S-mutants resisting EL4 and a mutant, S-87/2, resisting MCA/77-23 were tested for resistance to spontaneous metastases of the same two tumors, EL4 and MCA/77-23. Two of the mutants, S-31 (lymphoma-resisting) and S-87/2 (sarcoma-resisting), were shown to carry mutations of mouse gene(s) for resistance to tumor metastases. In both of these mutants resistance to the original tumor transplant coexisted with highly increased susceptibility to metastasis. These mutants are a new tool to study genes for resistance to cancer metastasis and of mechanism of resistance controlled by each individual gene.

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