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The secret cancer weapon in oats, barley and mushrooms
We depend upon our immune system to protect us from illness. Like an internal army, our immune cells operate independently of any organ, traveling where they are needed to destroy and eliminate invading pathogens.
Just recently, scientists at the University of Pennsylvania have done some important work, proving that certain types of immune cells can be trained to go after malignant tumors.
By using a natural substance that’s already known to prevent cancer, these scientists have shown that we can improve the “memory” of our immune cells so that they can fight cancer.
But before we get into that, it’s important to understand the two types of immunity in your body and how they differ.
Innate vs adaptive immunity
Innate immunity and adaptive immunity are two main types of immunity operating in your body.
Innate immunity, as the name implies, is present at birth. It is a kind of global, non-specific ability to search out and eliminate a broad range of pathogens.
What innate immunity doesn’t do is make fine distinctions between pathogens. For example, it doesn’t treat a cancerous cell any differently than it would treat a virus or a chemical toxin.
Innate immunity is fast-acting. It’s our first line of defense. It uses both physical and chemical barriers to defend us. These include phagocytes, natural killer (NK) cells, mast cells and plasma protein that lives in the blood.
Innate immune cells also have no memory. If you’re exposed to the same pathogen again, the battle starts from scratch.
In contrast, adaptive immunity only develops after exposure to a pathogen, and adaptive immune cells (B cells and T cells) can develop an immunological memory of a particular pathogen. It’s these cells that form the basis of vaccines.
Adaptive immunity is highly potent and specific. However, it is slow-moving. We’re talking as much as a week or two before their full potency is available to the body.
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The immune system can be trained
This brings us to the important questions that the University of Pennsylvania study sought to answer:
- Is there a way to “train” fast-acting innate immune cells to respond more specifically, for example, to help treat cancer?
- Can innate immune cells develop any sort of specific immunological memory?
Before the present study, the University of Pennsylvania team had already found that exposure to beta glucans, a soluble fiber found in foods like oatmeal, mushrooms, barley and seaweed, could improve immune recovery after chemotherapy in a mouse model.
They also found that this “memory” was held within the bone marrow, in stem cells that later developed into macrophages and other cells that are active in the adaptive immune system.
But the researchers weren’t satisfied to stop there.
“The fact that β-glucan helps you fight tumors doesn’t necessarily mean it was through trained immunity,” said George Hajishengallis of the University of Pennsylvania School of Dental Medicine, who co-led the study.
To confirm that link, the researchers took neutrophils (innate immune cells) from mice that had been exposed to beta glucan and transferred them to mice who had not received beta glucan. At the same time, they injected cells that grow into melanoma tumors.
Tumor growth was significantly slower in the mice who received the transplanted cells.
Just to be sure, the researchers performed bone marrow transplants where they transferred bone marrow cells from “trained “mice into mice that had lost much of their own bone marrow.
The recipients fought tumors much more effectively than mice that received “untrained” bone marrow.
“This is innate immune memory at work,” said Triantafyllos Chavakis, a long-term collaborator of Hajishengallis and co-senior author of the study.
How to get immune system insurance and more
Eating foods with beta glucans can provide you with some good immune system insurance.
Hopefully, you’ll never have to put the cancer-fighting power of beta glucans to the test. But this fiber can do so much more for your health!
Beta glucans can also:
- Boost heart health
- Regulate blood sugar levels
- Improve cholesterol levels
- Control blood pressure
This powerful fiber is readily available in oatmeal, barley, dates and mushrooms (boiling mushrooms increases their beta glucan levels).
If you’re not a fan of any of these foods, you can take beta glucan supplements.
Editor’s note: Discover how to live a cancer prevention lifestyle — using foods, vitamins, minerals and herbs — as well as little-known therapies allowed in other countries but denied to you by American mainstream medicine. Click here to discover Surviving Cancer! A Comprehensive Guide to Understanding the Causes, Treatments and Big Business Behind Medicine’s Most Frightening Diagnosis!
Sources:
Priming the immune system to attack cancer — Eureka Alert
Difference Between Innate and Adaptive Immunity — differencebetween.com
Beta Glucan and Cancer — beatcancer.org
By Joyce Hollman
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