Related Experiment Videos
Propolis: lymphocyte proliferation and IFN-gamma production
A Sá-Nunes1, L H Faccioli, J M Sforcin
1Department of Clinical Analysis, Toxicology and Bromatology, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
Journal of Ethnopharmacology
|June 6, 2003
Summary
Propolis, a natural compound, was found to suppress lymphocyte proliferation and enhance interferon-gamma (IFN-gamma) production in mice. This suggests a dual immunomodulatory action impacting both specific and non-specific immunity.
Area of Science:
- Immunology
- Natural Products Research
Background:
- Propolis is a resinous mixture produced by honeybees.
- Its immunomodulatory effects require further elucidation.
Purpose of the Study:
- To investigate the influence of propolis on lymphocyte activation.
- To understand propolis's impact on concanavalin A (Con A)-induced splenocyte proliferation and cytokine production.
Main Methods:
- In vitro experiments assessing propolis effects on splenocyte proliferation and IFN-gamma production.
- In vivo study involving intraperitoneal administration of propolis to mice.
Main Results:
- Propolis decreased splenocyte proliferation in both the absence and presence of Con A.
- Mice treated with propolis showed suppressed mitogen-induced splenocyte proliferation.
- Increased IFN-gamma production was observed in spleen cell cultures.
Conclusions:
- Propolis exhibits a dual action on lymphocyte activation: it suppresses proliferation and stimulates IFN-gamma production.
- These findings contribute to understanding propolis's immunomodulatory role in host immunity.