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[Subcutaneous injection of spleen cells from mice bearing large methylcholanthrene-induced sarcoma enhances subcutaneous tumors and artificial pulmonary metastases]. 1987

K Tsuchiya, and H Yamagishi, and H Hamada, and H Komichi, and T Oka, and T Tanaka, and S Inaba
Second Department of Surgery, Kyoto Prefectural University, School of Medicine, Japan.

To examine the effect of spleen cell on host antitumor immunity, spleen cells from mice bearing large Methylcholanthrene-induced sarcoma (MCA-F) (F4w spc) were injected subcutaneously into mice which had been inoculated subcutaneously with MCA-F cells or intravenously with the subline from MCA-F cells which had high potential of metastasis (FLn2). F4w spc enhanced significantly the growth of subcutaneous MCA-F tumor in a dose-dependent fashion (p less than 0.05) and increased the number of metastatic lesions induced by intravenous FLn2, but not spleen cells from normal mice or spleen cells from mice bearing MCA-D tumor which is antigenically different from MCA-F. These results suggest that spleen cells of mice bearing a large tumor have a component suppressing specifically antitumor immunity. In this study, effects of spleen cells were assessed by the subcutaneous injection into tumor bearing mice instead of Winn's assay, and this method was thought to be useful for analysis of effector cells in tumor immunity.

UI MeSH Term Description Entries
D007108 Immune Tolerance The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc. Immunosuppression (Physiology),Immunosuppressions (Physiology),Tolerance, Immune
D007279 Injections, Subcutaneous Forceful administration under the skin of liquid medication, nutrient, or other fluid through a hollow needle piercing the skin. Subcutaneous Injections,Injection, Subcutaneous,Subcutaneous Injection
D008175 Lung Neoplasms Tumors or cancer of the LUNG. Cancer of Lung,Lung Cancer,Pulmonary Cancer,Pulmonary Neoplasms,Cancer of the Lung,Neoplasms, Lung,Neoplasms, Pulmonary,Cancer, Lung,Cancer, Pulmonary,Cancers, Lung,Cancers, Pulmonary,Lung Cancers,Lung Neoplasm,Neoplasm, Lung,Neoplasm, Pulmonary,Pulmonary Cancers,Pulmonary Neoplasm
D008297 Male Males
D008748 Methylcholanthrene A carcinogen that is often used in experimental cancer studies. 20-Methylcholanthrene,3-Methylcholanthrene,20 Methylcholanthrene,3 Methylcholanthrene
D008809 Mice, Inbred C3H An inbred strain of mouse that is used as a general purpose strain in a wide variety of RESEARCH areas including CANCER; INFECTIOUS DISEASES; sensorineural, and cardiovascular biology research. Mice, C3H,Mouse, C3H,Mouse, Inbred C3H,C3H Mice,C3H Mice, Inbred,C3H Mouse,C3H Mouse, Inbred,Inbred C3H Mice,Inbred C3H Mouse
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
D000939 Epitopes Sites on an antigen that interact with specific antibodies. Antigenic Determinant,Antigenic Determinants,Antigenic Specificity,Epitope,Determinant, Antigenic,Determinants, Antigenic,Specificity, Antigenic
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
D013154 Spleen An encapsulated lymphatic organ through which venous blood filters.

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