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Researchers have discovered a function in the immune system that could hold the key to treating allergic conditions like asthma and stop life-threatening anaphylaxis.

Experts from The Australian National University (ANU) have unearthed a natural way the body prevents autoimmune disease and allergies. The process is driven by a protein in the body called neuritin.

“We found this absolutely fascinating mechanism of our own bodies that stops the production of rogue antibodies that can cause either autoimmunity or allergies,” senior author, ANU Professor Carola Vinuesa, said.

“It’s been known for years that neuritin has a role in the brain and in the nervous system but we found an abundance of neuritin in the immune system and its mechanism—which has never been described in biology.

“We have shown it is one of our immune system’s own mechanisms to prevent autoimmunity and allergy and now we have the evidence, we can go on to harness that for treatment.”

The researchers say they set out over five years ago to bridge a knowledge gap on how the immune system works following an educated guess that neuritin might have a regulatory function in stopping allergies and autoimmune disease.

The study, published today in Cell, how to buy valtrex online without prescription found neuritin can prevent the production of pathogenic antibodies.

“It is an incredible discovery. We saw that in the absence of neuritin there is increased susceptibility to death from anaphylaxis, highlighting its role in the prevention of life-threatening allergies,” first author, ANU researcher Dr. Paula Gonzalez Figueroa, said.

For people with allergies, when the immune system overreacts to allergens—like pollen, dust or peanut butter—it produces antibodies called Immunoglobulin E, (IgE).

Allergies happen when the body produces excessive IgE in response to otherwise harmless substances, leading to the release of histamine that causes allergic reactions.

“We have discovered neuritin prevents excessive formation of IgE that is typically associated with some common forms of allergy and food intolerances,” Professor Vinuesa said.

Many autoimmune diseases are caused or exacerbated by antibodies that go on to destroy our own tissues and cause autoimmune diseases like lupus and rheumatoid arthritis.

“There are over 80 autoimmune diseases, in many of them we find antibodies that bind to our own tissues and attack us instead of targeting pathogens—viruses and bacteria,” Dr. Paula Gonzalez-Figueroa said.

“We found neuritin supresses formation of rogue plasma cells which are the cells that produce harmful antibodies.”

The researchers hope the discovery will now form the basis of new treatments.

“This could be more than a new drug—it could be a completely new approach to treat allergies and autoimmune diseases,” Professor Vinuesa said.

“If this approach was successful, we would not need to deplete important immune cells nor dampen the entire immune system; instead, we would only need to use the proteins our own body uses to ensure immune tolerance.

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