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pubmed:abstractText |
By reverse phase PCR and Northern blotting, RNA of the 14 kDa galactose-binding protein (galectin-1) could be identified in primary cultures of human tubular epithelial cells. To assess protein synthesis and the possible function of galectin-1 on TEC, the cellular proteins were biosyntheticically labeled with [34S]-methionine and absorbed to immobilized laminin. Multiple radiolabeled proteins were eluted, a strong band in the area of 14 kDa was seen, coinciding with the galectin-1 band as identified by Western blotting. Surface expression of galectin-1 was seen by cytofluorometry with two different polyclonal antibodies to galectin-1. These data are in line with the finding that tubular epithelial cells adhere to laminin, partly in a Ca(2+)-independent manner.
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