A new study may shed some light into why some of us seem to have lots of positive results when it comes to food antibody testing, that may lead us to believe we are allergic to all sorts of foods. It's not true, we are not allergic, it just happens that Borrelia antibodies are similar to some produced by people that have real food intolerance, thus when u run a food antibody panel you get false positives.
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In the last ten years or so, in my own clinical immunology lab, I have performed hundreds of IgG and IgM antibody assays for the detection of Lyme disease and viral infection. And in the course of processing the continual parade of samples, antigens and antibodies, I made a personal observation of a curious correlation.
I noted that patients’ samples with high titers of antibodies against the antigens of certain infectious diseases, specifically Borrelia burgdorferi, Epstein-Barr virus VCA, EBV-EA or EBNA consistently had significant reactions when tested against certain food antigens. These samples with high titers of antibodies against these infectious agents would react to 20-60% of tested food antigens. Conversely, samples with low levels of Borrelia and EBV antibodies reacted to only 5-20% of tested food antigens. What was the meaning of this correlation? With this in mind, I initiated this study in order to clarify the relevance of these antibodies to the food antibody testing that is currently performed in many laboratories for the detection of adverse reaction to foods.
The findings of this current study indicate that, indeed, some of the IgG immune reactivity test results reported by many labs for the detection of food immune reactions may be due to cross-reactivity with infectious agents, and, hence, could be false-positive."
dx.doi.org/10.4172/2155-9899.1000359So we should be a bit skeptic about
the results of food intolerance/antibody test panels we run... (especially if they say we are allergic to foods that fall into the ones that cross react with Borrelia antigen, see the charts on page 4 of the PDF).