Abstract:
:The control of cellular adhesion to extracellular matrix proteins is poorly understood. In the present analyses, we set out to test the hypothesis that high galectin-3 concentration on the cell surface downregulates cellular adhesion to the extracellular matrix proteins. Various tumor cell lines were briefly incubated without or with galectin-3 and then allowed to adhere to wells coated with laminin-1, collagen IV and fibronectin. Our data demonstrated that the cells which were incubated with galectin-3 prior to plating had significantly reduced adhesion to extracellular matrix proteins. This inhibition involved the carbohydrate recognition domain of the lectin because adhesion was achieved in the presence of galectin-3 and lactose but not galectin-3 and sucrose. Furthermore we demonstrated that galectin-3 associates with alpha 1 beta 1 integrin in a lactose dependent manner.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Ochieng J,Leite-Browning ML,Warfield Pdoi
10.1006/bbrc.1998.8708subject
Has Abstractpub_date
1998-05-29 00:00:00pages
788-91issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(98)98708-3journal_volume
246pub_type
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journal_title:Biochemical and biophysical research communications
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