Complex sentence: Consuming oats when anti-gliadin antibodies or gliadin are present increases anti-avenin antibodies and may promote ASE, therefore duodenal biopsy may be recommended after oat consumption is initiated; the DQ phenotype of all 3 ASE individuals studied so far indicated DQ2 homozygotes are at risk for ASE.
Split into simpler sentences: Consuming oats when anti-gliadin antibodies or gliadin are present increases anti-avenin antibodies, and may promote ASE. The DQ phenotype of all 3 ASE individuals studied so far indicated DQ2 homozygotes are at risk for ASE.