Linked Life Data

9560442

Source:http://linkedlifedata.com/resource/pubmed/id/9560442

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1998-6-18
pubmed:abstractText
We have characterized the molecular species and internalization of urinary trypsin inhibitor (UTI) in human uterine fibroblasts. Link protein (LP) has previously been identified as one of the cell-associated UTI binding proteins. The truncated forms of UTI were readily detectable in the cells after incubating the cells with purified UTI. Immunoblotting analysis with a panel of domain-specific antibodies revealed that the UTI species lacked the amino-terminal domain of UTI, but contained the carboxyl-terminal domain. We have examined whether LP is involved in the UTI internalization in the cells. Internalization of 125I-labelled UTI was blocked by the intact UTI, but not by the carboxyl-terminal domain of UTI. Treatment with a polyclonal antibody to the UTI binding domain of LP partially inhibited UTI binding to the cells, but did not significantly prevent UTI internalization. In addition, preincubation of the cells with hyaluronidase reduced the UTI binding to the cells, but had no effect on the rate with which UTI was internalized. These data allow us to conclude that there are at least two different mechanisms for internalization of UTI. The major one is via unknown UTI receptors in a Ca2+, Mg2+-sensitive manner and another is via LP.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0031-6768
pubmed:author
pubmed:issnType
Print
pubmed:volume
436
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
16-25
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
1998
pubmed:articleTitle
Internalization of urinary trypsin inhibitor in human uterine fibroblasts.
pubmed:affiliation
Department of Obstetrics and Gynecology, Hamamatsu University School of Medicine, Handacho 3600, Hamamatsu, Shizuoka, 431-31, Japan.
pubmed:publicationType
Journal Article