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Biol Chem. 1998 Jun;379(6):705-9.

Aminopeptidase P--a cell-surface antigen of endothelial and lymphoid cells: catalytic and immuno-histotopical evidences.

Author information

1
Institute of Physiological Chemistry, Medical Faculty, Martin-Luther-University Halle, Germany.

Abstract

The physiological function of the GPI-anchored ectoenzyme aminopeptidase P (APP) is still elusive. Most researchers suppose that this enzyme inactivates biologically active peptides like bradykinin, neuropeptide tyrosine (NPY) and others (Vanhoof et al., 1995). We demonstrate by immunohistology with a specific antibody raised in rabbits and measurement of enzymatic activity in suspensions and of confluent monolayers on microscopic coverslips ('monolayer kinetics') that APP is a cell surface enzyme (ectoenzyme) of endothelial and lymphoid cells.

PMID:
9687020
[Indexed for MEDLINE]

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