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Comparative Study
. 1993 Jun 15;90(12):5569-73.
doi: 10.1073/pnas.90.12.5569.

Molecular cloning and adhesive properties of murine platelet/endothelial cell adhesion molecule 1

Y Xie  1 , W A Muller
Affiliations
Comparative Study

Molecular cloning and adhesive properties of murine platelet/endothelial cell adhesion molecule 1

Y Xie et al. Proc Natl Acad Sci U S A. .

Abstract

We describe the isolation and characterization of a functional murine platelet/endothelial cell adhesion molecule (PECAM) 1 cDNA clone from a mouse lung library. At the nucleotide level, the coding sequence of murine PECAM-1 is 73% identical to human PECAM-1, and at the amino acid level, the sequence is 79% homologous to its human counterpart. Southern hybridization reveals that one copy of the gene exists in the mouse genome; Northern hybridization reveals a single mRNA species in mouse lung tissue. COS-7 and mouse L cells transfected with murine PECAM-1 expressed a 130-kDa glycoprotein on their surfaces that reacted with anti-murine PECAM-1 monoclonal antibody and comigrated on SDS/PAGE with human PECAM-1. Stable L-cell transfectants aggregate with each other in a PECAM-dependent, homophilic manner.

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