Diet effects on honeybee immunocompetence

Diet effects on honeybee immunocompetence.

The maintenance of the immune system can be costly, and a lack of dietary protein can increase the susceptibility of organisms to disease. However, few studies have investigated the relationship between protein nutrition and immunity in insects. Here, we tested in honeybees (Apis mellifera) whether dietary protein quantity (monofloral pollen) and diet diversity (polyfloral pollen) can shape bas...

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Insulin effects on honeybee appetitive behaviour.

Worker honeybees (Apis mellifera) carry out multiple tasks throughout their adult lifespan. It has been suggested that the insulin/insulin-like signalling pathway participates in regulating behavioural maturation in eusocial insects. Insulin signalling increases as the honeybee worker transitions from nurse to food processor to forager. As behavioural shifts require differential usage of sensor...

The effects of bleomycin on immunocompetence in man.

Bleomycin was administered to six patients with advanced cancer. Multiple parameters of both antibody- and cell-mediated immunity were followed serially to characterize the effects of bleomycin on immunocompetence in humans. Antibody-mediated immunity, including primary vaccination with keyhole limpet hemocyanin, was not depressed. While there was no significant suppression of cell-mediated imm...

The Therapeutic Effects of Bioactive Compounds in Honeybee Products

Honey, royal jelly, propolis, and bee pollen are potentially beneficial to humans due to their bioactive agents. Different molecules of these honeybee products have been extracted and pharmacologically characterized. Phenolic acid, Major Royal Jelly Proteins (MRJPs), and oligosaccharides are major bioactive substances of these products. Propolis, especially Brazilian type, contains caffeic acid...