Otnaess A B, Svennerholm A M
Infect Immun. 1982 Feb;35(2):738-40. doi: 10.1128/iai.35.2.738-740.1982.
Human milk was fractionated by ammonium sulphate precipitation and column chromatography. A milk fraction depleted of secretory immunoglobulin A and with an apparent molecular weight of greater than 400,000 inhibited fluid secretion induced by cholera toxin and Escherichia coli heat-labile toxin in rabbit ileal loops.
人乳通过硫酸铵沉淀和柱色谱法进行分级分离。一种分泌型免疫球蛋白A缺失且表观分子量大于400,000的乳级分,可抑制兔回肠袢中霍乱毒素和大肠杆菌不耐热毒素诱导的液体分泌。