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INTESTINAL BRUSH BORDER AND LYSOSOMAL ENZYMES AND IMMUNOGLOBULIN ABSORPTION IN THE NEWLY‐BORN LAMB
Author(s) -
Healy PJ
Publication year - 1977
Publication title -
australian journal of experimental biology and medical science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.999
H-Index - 104
eISSN - 1440-1711
pISSN - 0004-945X
DOI - 10.1038/icb.1977.27
Subject(s) - colostrum , lactase , brush border , aminopeptidase , alkaline phosphatase , jejunum , enzyme , ileum , disaccharidase , antibody , leucine , biology , biochemistry , chemistry , endocrinology , medicine , immunology , amino acid , membrane , vesicle
Summary Activities of the brush border enzymes alkaline phosphatase, leucine aminopeptidase and lactase and the lysosomal enzymes α‐mannosidase and β‐N‐acetylglucosaminidase increased in the serum of newly‐bum lambs fed colostrum. Feeding lipid and protein components of colostrum and bovine serum resulted in enzyme responses simitar to those observed after feeding colostrum. Activities of each of the enzymes increased in mesenteric lymph collected from newly‐born lambs when immunoglobulins were being absorbed from the jejunum and ileum.