Originally published July 25 2005
Pineapple may have cancer-fighting abilities
by Mike Adams, the Health Ranger, NaturalNews Editor
Researchers in Australia have found that two molecules derived from crushed pineapple stems can act as anti-cancer agents, and they say the research has great potential for the development of new cancer-fighting drugs.
Scientists at the Queensland Institute of Medical Research (QIMR) said their work centred on two molecules from bromelaine, an extract derived from crushed pineapple stems that is used to tenderise meat, clarify beers and tan hides.
One of the molecules, CCZ, stimulates the body's immune system to target and kill cancer cells, the other, CCS, blocks a protein called Ras, which is defective in 30 percent of all cancers.
QIMR researcher Tracey Mynott said her team had set out to find why the enzyme-rich bromelaine crush had such strong effects on biological material.
"In searching for these components, we discovered the CCS and CCZ proteins and found that they could block growth of a broad range of tumour cells, including breast, lung, colon, ovarian and melanoma," Mynott said in a statement.
While clinical trials are a long way off, Mynott said the research had huge potential.
"The way CCS and CCZ work is different to any other drug in clinical use today," she said.
"Therefore, CCS and CCZ will represent a totally new way of treating disease and potentially a whole new class of anti-cancer agent."
QIMR has launched a two-year study to examine the safety of the treatment and means of securing a reliable source of CCS and CCZ.
If it succeeds it will seek a commercial partner to develop a drug that could be used in human clinical trials.
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