Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1986-11-7
pubmed:abstractText
To study an enzymatic basis for the postnatal changes in intestinal glycosylation, the activities of sialyl- and fucosyltransferases were determined in the particulate fraction of mucosal cells prepared from rat small intestine of various ages. The results show that sialyltransferase activity was present in increased levels compared to adults during the preweaning period (1-2 weeks) and subsequently declined 5-fold to adult levels after weaning, while fucosyltransferase activity was decreased compared to adults in the first 3 weeks of life, rapidly increased at 4 weeks, and reached adult levels (10-fold) by 5 weeks. The changes in both sialyl- and fucosyltransferase activities were reflected by the membranous content of glycosidic-bound sialic acid and fucose, respectively. Cortisone injection precociously induced a decreased sialyltransferase activity and an increased fucosyltransferase activity in 2-week-old suckling rats. This study indicates that the activities of sialyl- and fucosyltransferases were reciprocally related and modulated by cortisone action in the developing intestine. These enzyme changes may be responsible for the previously noted shift from sialylation to fucosylation of the intestinal mucosa during maturation.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0006-3002
pubmed:author
pubmed:issnType
Print
pubmed:day
1
pubmed:volume
883
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
496-500
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1986
pubmed:articleTitle
Developmental changes in the activities of sialyl- and fucosyltransferases in rat small intestine.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.