Can eating plants trigger your immune system to attack your body?
Reaction of Lectin-Specific Antibody with Human Tissue: Possible Contributions to Autoimmunity
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Anti-lectin antibodies bind to brain, thyroid, and heart tissue—not just gut or joints.
Most people assume lectins only affect digestion or gut health, but this shows they can trigger systemic autoimmunity in vital organs.
Practical Takeaways
If you have rheumatoid arthritis or Hashimoto’s, consider an elimination trial of wheat and legumes for 4–6 weeks to see if symptoms improve.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Anti-lectin antibodies bind to brain, thyroid, and heart tissue—not just gut or joints.
Most people assume lectins only affect digestion or gut health, but this shows they can trigger systemic autoimmunity in vital organs.
Practical Takeaways
If you have rheumatoid arthritis or Hashimoto’s, consider an elimination trial of wheat and legumes for 4–6 weeks to see if symptoms improve.
Publication
Journal
Journal of Immunology Research
Year
2020
Authors
A. Vojdani, D. Afar, E. Vojdani
Related Content
Claims (6)
People with high levels of rheumatoid factor, a marker linked to rheumatoid arthritis, tend to have higher levels of IgM antibodies that react to certain plant proteins called lectins, especially lentil lectin. This pattern suggests a statistical relationship between these immune responses and the presence of rheumatoid arthritis biomarkers.
In healthy people, between 12% and 18% have IgM antibodies that bind to plant lectins, and between 9.7% and 16% have IgG or IgA antibodies that bind to these same plant proteins, showing that immune responses to undigested plant components occur in a notable fraction of the population.
In people with rheumatoid arthritis, certain antibodies called IgM anti-lectin antibodies tend to appear alongside rheumatoid factor but not alongside anti-nuclear antibodies, suggesting they are linked specifically to rheumatoid arthritis rather than autoimmune conditions in general.
Certain antibodies produced in response to proteins in wheat may bind to human proteins found in the thyroid, muscles, and other tissues, which could potentially trigger immune responses against the body's own tissues in some individuals.
Antibodies designed to target one plant protein can sometimes bind to other similar plant proteins because they share structural features, leading to reactions beyond their intended target.