... predominant in the intestine but alsopresent in stomach. Both enzymes were detected in mucosabut, in general, ADH4 was found in outer cell layers, liningthe lumen, while ADH1 was detected in ... andprotein expression were investigated in rat gastrointestinaltissue homogenates by enzymatic and Western blot analyses. In addition, sections of adult rat gastrointestinal tract wereexamined by in ... ethanol-metabolizing ADHs in thedigestive tract tissues of adult rat. In previous reports,ADH1 was, in general, undetected in upper digestiveorgans, including stomach while ADH4 was not found in several intestinal...