The excerpt that follows is in regards to this paper in 2005 which "demonstrated direct intestinal cell toxicity at micro molar concentrations", and this paper, 2009 paper here:
"At nanomolar concentrations WGA stimulates the synthesis of pro-inflammatory cytokines and thus the biological activity of WGA should be reconsidered by taking into account the effects of WGA on the immune system at the gastrointestinal interface. These results shed new light onto the molecular mechanisms underlying the onset of gastrointestinal disorders observed in vivo upon dietary intake of wheat-based foods"
Notice there is no mention of coeliac disease, you do not need to be genetically predisposed by HLA type to have WGA toxicity. This looks to be yet more direct molecular toxicity.
Now we are talking nanomolar concentrations.
It's a bit difficult to get your head round a nanomole of WGA. One mole is the molecular weight expressed in grams. For WGA this is a BIG number of grams. A nanomole is not very much. So a nanomole is not very much of quite a lot of grams! Without struggling with the math I'd just suggest putting the bread in the bin and seeing if I could get out of my wheelchair as my gut integrity improved! An angry immune cell, looking at a soup of gut peptides, is not going to care what collateral damage it does.
http://high-fat-nutrition.blogspot.com/2010/07/wheat-germ-agglutinin-how-little-is.html
What does it mean? Even a tiny bit of wheat can be too much!
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