front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |26 |27 |28 |29 |30 |31 |32 |33 |34 |35 |review

There are no DNA variations of LPH correlated with hypolactasia or with lactase persistence. Thus, an unusual mechanism is involved: a developmentally regulated change in mRNA transcription which does not occur in subjects with persistence of lactase and affects specifically LPH and not the other brush border glycosidases