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  • Title: Effector cells working for rejection of Ad12 tumors in mice.
    Author: Maeta Y, Toshima M, Miura R, Yamai TY, Hamada C.
    Journal: Microbiol Immunol; 1982; 26(12):1139-48. PubMed ID: 6302452.
    Abstract:
    Immune spleen cells (ISC) capable of inhibiting the growth of adenovirus type 12 (Ad12) tumors were raised in C57BL/6 mice by immunization with Ad12, fractionated according to their affinity for plastic and nylon-wool substrates or treated with various antisera plus complement, and subjected to the tumor-neutralization test (Winn) to define the effector cells for the cell species. Full antitumor activity of ISC was recovered in the cell fractions nonadherent to the two substrates; the antitumor activity of ISC was abrogated entirely by anti-Thy-1,2 serum and almost entirely by anti-Lyt-2.2 ascites fluid plus complement. These results clearly indicate that T-lymphocytes, particularly those bearing Lyt-2.2 antigen, are the principal effectors in ISC against Ad12 tumors in animals.
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