Sandholm M, Scott M L
Acta Vet Scand. 1979;20(3):329-42. doi: 10.1186/BF03546595.
Intraluminal digestive enzymes were shown to bind to chick intestinal epithelial surface (glycocalyx). Affinity of the intestinal epithelium for the enzymes decreased in the order, lipase > amylase > protease. The plant hemagglutinins, Con A, phytohemagglutinin, pokeweed mitogen and raw soybean effectively released lipase and amylase from the glycocalyx. Based on specific inhibition of binding by sugars, such as fucose and N-acetylated sugars, lipase and amylase appeared to be bound to blood group antigen-like sugar moieties on the glycocalyx of the microvilli.
腔内消化酶被证明可与鸡肠道上皮表面(糖萼)结合。肠道上皮对这些酶的亲和力按以下顺序降低:脂肪酶>淀粉酶>蛋白酶。植物血凝素,如刀豆球蛋白A、植物血凝素、商陆有丝分裂原和生大豆能有效地从糖萼中释放脂肪酶和淀粉酶。基于岩藻糖和N - 乙酰化糖等糖类对结合的特异性抑制作用,脂肪酶和淀粉酶似乎与微绒毛糖萼上的血型抗原样糖部分结合。