Isolation and characterization of a bovine cDNA encoding a functional homolog of human P-selectin

N. A. Strubel, M. Nguyen, G. S. Kansas, T. F. Tedder, J. Bischoff

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


A cDNA encoding a homologue of human P-selectin has been isolated from a bovine capillary endothelial cDNA library. The 2.7 kb cDNA encodes a 646 amino acid polypeptide with 77% identity to the human P-selectin except that it lacks three of the consensus repeat domains found in human P-selectin. Human P-selectin, expressed in platelets and endothelium, is a Ca2+-dependent receptor for myeloid cells that binds to carbohydrates on neutrophils and monocytes. To determine if bovine P-selectin exhibits a similar binding activity, its cDNA was expressed in COS cells and the ability of the transfectants to bind HL-60 human myelogenous leukemia cells was examined. The bovine P-selectin bound the myeloid cells in a manner similar to human P-selectin, indicating that the altered domain structure of bovine P-selectin does not affect P-selectin function in this in vitro cell adhesion assay.

Original languageEnglish (US)
Pages (from-to)338-344
Number of pages7
JournalBiochemical and Biophysical Research Communications
Issue number2
StatePublished - Apr 30 1993

ASJC Scopus subject areas

  • Molecular Biology
  • Biophysics
  • Biochemistry
  • Cell Biology


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