Honey-Bee Products to Prevent and Treat Cancer

Article ID: 508615

Released: 2-Dec-2004 10:50 AM EST

Source Newsroom: Society of Chemical Industry

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Newswise — Natural honey-bee products such as propolis, royal jelly, caffeic acid, honey and venom may have applications in cancer treatment and prevention, say Croatian researchers in Journal of the Science of Food and Agriculture this month.

Nada Orsolic and colleagues from the University of Zagreb found that bee products significantly decreased tumour growth and / or spreading (metastasis) in mice when they were applied orally or by injection.

The researchers tested both the preventative and curative effects of the bee products on tumour models in mice. In the prevention studies, the products were administered before inoculation with the tumour cells. In the curative studies, the products were administered after tumour inoculation.

"The effects of the tested compounds were demonstrated either by inhibition of tumour growth or metastases (secondary tumour) formation and by increased survival of the animals," said Dr Orsolic.

Propolis or caffeic acid significantly reduced subcutaneous tumour growth and prolonged the survival of mice. Honey also inhibited the spread of the tumour when applied before tumour cell inoculation in the lungs. Simultaneous inoculation with royal jelly and tumour cells significantly inhibited tumour spread. When bee venom was injected intratumourally, tumour shrinkage occurred, and the delay of tumour growth was evident. Survival of bee venom-treated mice was prolonged compared to control mice.

The way in which the bee products work to combat the tumours is not clear, but the authors suggest the chemicals cause apoptosis (cell suicide) or necrosis of the cancerous cells, or that they exert directly toxic or immunomodulatory effects. They may also reduce harmful oxyradicals in cells or body fluids.

The authors conclude that the intake of honey-bee products could be advantageous in the prevention and treatment of cancer.

"These results suggest the benefits of potential clinical trials using propolis or honey, combined with chemotherapeutic agents," said Dr Orsolic.

Honey-bee products in prevention and / or therapy of murine transplantable tumoursNada Orsolic, Svjetlana Terzic, Lidija Sver and Ivan BasicJournal of the Science of Food and Agriculture (available online 3rd December 2004).

About Journal of the Science of Food and AgricultureJournal of the Science of Food and Agriculture (JSFA) publishes peer-reviewed original research and critical reviews in these areas, with particular emphasis on interdisciplinary studies at the agriculture/food interface. This international journal covers fundamental and applied research.

JSFA is an SCI journal, published by John Wiley & Sons, on behalf of the Society of Chemical Industry, and is available in print (ISSN: 0022-5142) and online (ISSN: 1097-0010) via Wiley InterScience http://www.interscience.wiley.com. For further information about the journal go to http://interscience.wiley.com/jsfa

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