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Immunogenetics. 1986;23(5):326-32.

Identification and characterization of the human Pgp-1 glycoprotein.

Abstract

Two monoclonal antibodies have been raised against human Pgp-1 by the immunization of mice with human fibroblasts. The human molecule, like the previously identified mouse counterpart, is an abundant membrane protein (Mr approximately 95 000) with a broad tissue distribution. Pgp-1 is phosphorylated, and phosphoamino acid analysis demonstrates that this occurs exclusively on serine residues. A major difference between the mouse and the human is that 50-60% of human thymocytes are Pgp-1+ compared to 5-10% of mouse thymocytes at an equivalent stage in development. Immunofluorescence studies of cryostat sections showed that the majority of human medullary thymocytes are strongly stained with Pgp-1-specific antibody, whereas the expression of Pgp-1 on cortical thymocytes is much more heterogeneous.

PMID:
3519447
DOI:
10.1007/bf00398797
[Indexed for MEDLINE]

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