Cordyceps kill cancer cells and boost immunity, studies suggest
(NaturalHealth365) In a development that sounds almost as far-fetched as a plot twist penned by a Hollywood screenwriter, some medical researchers are hopeful that a parasitic fungus (cordyceps) found on Tibetan caterpillars may hold the key to ending the cancer epidemic.
Today, we’ll take a closer look at how an ancient remedy can help you to reduce the risk of cancer cell growth by improving immune system function.
Cordyceps offer many powerful health benefits
Cordyceps, scientifically known as Cordyceps sinensis, is one of the most important and revered herbal treatments in Traditional Chinese Medicine (TCM) – where it is known as semitake, aweto, yartsu gunbu, and Dong Chong Xia. The first recorded use of cordyceps took place in the 15th century; it was likely used for many centuries before that.
Usually prescribed to restore energy, boost the immune system, promote longevity, and improve quality of life, cordyceps has also been used in TCM to treat serious ailments, including chronic obstructive pulmonary disease and kidney failure.
Cordyceps is produced by a strange pairing between insect and fungus. The substance grows from the mummified remains of insect larvae found on the heads of a subterranean caterpillar that lives at high altitudes in the Qinghai-Tibetan plateau. Unfortunately, most commercial varieties have been artificially cultivated due to the expense and difficulty of harvesting natural cordyceps.
Major hospital recognize the anti-cancer properties of cordyceps
According to Memorial Sloan-Kettering Cancer Center (MSKCC), cordyceps have antitumor, radioprotective, and antidiabetic effects. In addition, MSKCC cites a study in which cordyceps made the cancer medication cisplatin more toxic to lung cancer cells and confirms that cordyceps can also help infection-fighting lymphocytes live longer, increase levels of T helper cells, reduce tumor cell proliferation, and boost the activity of natural killer cells.
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And, finally, the medical center reports that some studies have shown that cordyceps have caused cancer symptoms to improve, in addition to helping patients better tolerate the rigors of chemotherapy.
What exactly is in cordyceps?
Despite its bizarre provenance, cordyceps is not only non-toxic but safe and even nutritious to consume. According to the International Journal of Medicinal Mushrooms, the fungus contains essential amino acids, several essential B-complex vitamins, and the vitamins E and K. Beneficial fatty acids – including oleic acid, the same healthful monounsaturated fatty acid found in olives – are also present.
However, cordyceps’ most significant feature may be its nucleosides. Researchers believe that nucleosides, key signaling molecules in the body, help fight cancer; nucleoside analogs are medically used as anticancer and antiviral agents.
In addition, cordyceps contains many nucleosides, including guanidine and guanosine; the most potent – and most studied – of these seems to be 3-deoxyadenosine, which researchers have dubbed cordycepin.
Is there any proof that cordyceps kill cancer cells?
Although human studies are limited, animal and test-tube research have shown time and time again that cordyceps has the capacity to destroy cancer cells, help normalize low white blood cell count occurring as a result of chemotherapy, and even make certain medications more toxic to cancer cells.
In a study published in 2008 in Experimental Biology and Medicine, researchers explored the effects of cordyceps on mice that had low counts of infection-fighting white blood cells in their bone marrow as a result of being given the chemotherapy drug Taxol. Mice given cordyceps daily – for three weeks – had their white blood cell counts restored to normal ranges; the white blood cell counts in the non-cordyceps group were dramatically lower, sometimes by as much as 50 percent.
Concluding that cordyceps enhance recovery from clinically-induced leucopenia, the team remarked that the substance positively affects osteoblast differentiation – an essential factor in new bone formation – by acting on proteins and core binding factors that are needed to produce new bone cells.
In a cell study published in Cancer Chemotherapy and Pharmacology in 2007, cordycepin extracted from cordyceps had an apoptotic effect on human oral cancer cells – causing them to self-destruct.
Researchers used flow cytometry and viability assays to show that the survival of cancer cells significantly decreased with the administration of cordyceps and noted that the effects became more dramatic as the dose and duration of cordyceps increased.
Scientists continue to identify and isolate new beneficial constituents
In yet another test-tube study published in 2009 in Cell Proliferation, scientists isolated two new anticancer constituents from cordyceps and named them gliocladicillins A and B. These inhibited the growth of tumor cells, causing cell self-destruction through extrinsic and intrinsic pathways.
Calling the gliocladicillins “effective antitumor agents,” the team called for more study to explore the pair’s use in treating cancer in humans.
What do natural healthcare practitioners recommend?
Cordyceps is currently marketed as a health food supplement and nutraceutical and can be found in health food stores or online. Most practitioners recommend taking between 2 to 3 grams a day with food.
Cordyceps is generally considered safe. Of course, you should consult your doctor before taking it, especially if you take blood thinners or medication for diabetes. Don’t use cordyceps to treat cancer unless under the guidance of a well-trained physician.
And, of course, make sure you obtain cordyceps from a reputable supplier – as some samples are contaminated with lead.
Although a parasitic fungus may seem an unlikely ally in the road to recovering from a cancer diagnosis, cordyceps could turn out to be a very important – and even a lifesaving player. Once again, Mother Nature has supplied a beneficial substance well worth attention and further study.
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