Abstract
The effect of different mycobacterial adjuvants on the parameters of delayed hypersensitivity was investigated in strain 13 guinea pigs. The composition of the tubercle bacilli and the type of vehicle in which the antigen was presented determined the presence and extent of suppressor cell activity. When antigen was introduced in complete Freund adjuvant, both adherent and nonadherent cells had suppressive properties, with the suppressive effect demonstrable in vitro from 1 to 5 weeks after sensitization. Suppressor activity was indicated in vivo by a reduction of delayed footpad hypersensitivity in animals presensitized with complete Freund adjuvant.
MeSH Terms
Adjuvants, Immunologic/pharmacology
Animals
Antigens, Bacterial
BCG Vaccine
Cell Division
Guinea Pigs
Hypersensitivity, Delayed
Macrophage Migration-Inhibitory Factors/biosynthesis
Macrophages/immunology
Mycobacterium bovis/immunology
T-Lymphocytes/immunology
Chemicals
Adjuvants, Immunologic
Antigens, Bacterial
BCG Vaccine
Macrophage Migration-Inhibitory Factors
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Neta R
Salvin S B
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