Castration effects on tumor specific immunity. 1977

G E Brannen, and D M Gomolka, and J N Wettlaufer, and R O Modarelli

Using two immunogenic methylcholanthrene-induced fibrosarcomas in CD2F1 male mice, initial observations suggested that the rate of tumor growth might be enhanced by castration. For confirmation, tumor transplantation experiments using more than 500 mice were carried out in order to compare tumor specific transplantation immunity in castrate and in control male mice. Inbred mice bearing a 3-methylcholanthrene-induced fibrosarcoma transplant underwent surgical excision of the tumor; and specific resistance to subsequent challenges using varying doses of that tumor cell line were compared in castrate and in noncastrate groups of mice. Although castration influenced the rate of tumor growth, castration had no apparent effect on tumor specific immunoresistance. Mechanisms of host-tumor immunorelationships are discussed.

UI MeSH Term Description Entries
D008297 Male Males
D008748 Methylcholanthrene A carcinogen that is often used in experimental cancer studies. 20-Methylcholanthrene,3-Methylcholanthrene,20 Methylcholanthrene,3 Methylcholanthrene
D002369 Castration Surgical removal or artificial destruction of gonads. Gonadectomy,Castrations,Gonadectomies
D005354 Fibrosarcoma A sarcoma derived from deep fibrous tissue, characterized by bundles of immature proliferating fibroblasts with variable collagen formation, which tends to invade locally and metastasize by the bloodstream. (Stedman, 25th ed) Fibrosarcomas
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012513 Sarcoma, Experimental Experimentally induced neoplasms of CONNECTIVE TISSUE in animals to provide a model for studying human SARCOMA. EHS Tumor,Sarcoma, Engelbreth-Holm-Swarm,Sarcoma, Jensen,Experimental Sarcoma,Experimental Sarcomas,Sarcomas, Experimental,Engelbreth-Holm-Swarm Sarcoma,Jensen Sarcoma,Sarcoma, Engelbreth Holm Swarm,Tumor, EHS
D014181 Transplantation Immunology A general term for the complex phenomena involved in allo- and xenograft rejection by a host and graft vs host reaction. Although the reactions involved in transplantation immunology are primarily thymus-dependent phenomena of cellular immunity, humoral factors also play a part in late rejection. Immunology, Transplantation
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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