Abstract
The ability of bacterial lipopolysaccharides to induce lymphocyte mitogenesis and to act as an adjuvant of antibody formation was attributable to the lipid-A region of the molecule. Measured by induction of DNA synthesis, lipid A was mitogenic for bone marrow-derived lymphocytes obtained from spleens of congenitally athymic mice but not for thymocytes obtained from thymuses of normal mice. Adjuvanticity was demonstrated by the ability of lipid A to convert a tolerogenic regimen of antigen into one eliciting an immune response and by its ability to markedly enhance the antibody response to a weak antigen.
MeSH Terms
Adjuvants, Immunologic
Animals
Antibody Formation/drug effects
B-Lymphocytes/drug effects
Escherichia coli/analysis
Immune Tolerance/drug effects
Immunization
Lipopolysaccharides/isolation & purification,pharmacology
Lymphocyte Activation
Mice
Mice, Inbred A
Mitogens/pharmacology
Polysaccharides, Bacterial/isolation & purification,pharmacology
Salmonella/analysis
Serum Albumin, Bovine
Structure-Activity Relationship
T-Lymphocytes/drug effects
Chemicals
Adjuvants, Immunologic
Lipopolysaccharides
Mitogens
Polysaccharides, Bacterial
Serum Albumin, Bovine
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Chiller J M
Skidmore B J
Morrison D C
Weigle W O
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