Related Experiment Video
Updated: Aug 14, 2026

Protective Efficacy and Pulmonary Immune Response Following Subcutaneous and Intranasal BCG Administration in Mice
Published on: September 19, 2016
[The immunological status indices of monkeys inoculated with a meningococcal B vaccine]
Abstract:
The method for the determination of bacterial antibodies to group B meningococci was worked out. The method was used for the determination of antibodies to group B meningococcal vaccine produced in the USSR. The dynamic study of antibodies to protein, polysaccharide and lipopolysaccharide antigens of group B meningococci was made by the method of the enzyme immunoassay (EIA), and the safety of the vaccine was studied by the determination of autoantibodies active against brain tissue antigens. The data thus obtained were indicative of the immunological activity of group B protein-polysaccharide vaccines, manifested by the capacity for stimulating bactericidal antibodies whose level increased 8- to 10-fold after the immunization of monkeys in 2 and 3 injections. Similarity in the dynamics of the formation of bacteriolysins and antibodies to protein antigen, as determined in EIA, was noted. The vaccine was found to stimulate no cytotoxic anticerebral antibodies in the glia migration test, which was indicative of the safety of group B meningococcal vaccine.
Insights
A new enzyme immunoassay (EIA) method effectively measures antibodies to group B meningococcal vaccines. This study confirms the vaccine
Area of Science:
- Immunology
- Microbiology
- Vaccinology
Background:
- Group B meningococcal infections pose a significant public health threat.
- Development of effective and safe vaccines against Neisseria meningitidis serogroup B is crucial.
Purpose of the Study:
- To develop and validate a method for determining bacterial antibodies against group B meningococci.
- To assess the immunogenicity and safety of a group B meningococcal vaccine.
Main Methods:
- Enzyme immunoassay (EIA) was employed to quantify antibodies against protein, polysaccharide, and lipopolysaccharide antigens.
- The glia migration test was utilized to evaluate vaccine safety by detecting anticerebral autoantibodies.
Main Results:
- The developed EIA method successfully determined antibodies to group B meningococcal vaccine antigens.
- Immunization of monkeys with the group B vaccine led to an 8- to 10-fold increase in bactericidal antibodies.
- The vaccine did not induce cytotoxic anticerebral antibodies, indicating a favorable safety profile.
Conclusions:
- The group B meningococcal vaccine demonstrates significant immunological activity by stimulating bactericidal antibodies.
- The vaccine is deemed safe, as evidenced by the absence of anticerebral autoantibodies.
- The EIA method is a reliable tool for assessing the immune response to group B meningococcal vaccines.
Related Concept Videos
Vaccinations
Bacterial Meningitis II: Pathophysiology

