Aminopeptidase N/CD13 induces angiogenesis through interaction with a pro-angiogenic protein, galectin-3

Eunju Yang, Joong Sup Shim, Hee Jong Woo, Kyu Won Kim, Ho Jeong Kwon

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Aminopeptidase N/CD13 is an endothelial cell surface ectoenzyme involved in one of the initial steps of angiogenesis. However, little is known how APN induces angiogenesis in endothelial cells. Using human cDNA library-encoding phage display biopanning method, we here identified a galactoside-specific lectin family protein, galectin-3, as an interacting protein of APN. Galectin-3 specifically binds to APN both in vitro and in human umbilical vein endothelial cells (HUVECs) in a carbohydrate recognition-dependent manner. Immunohistochemical analysis demonstrates that both APN and galectin-3 are exclusively coexpressed during the angiogenic stage of mouse forebrain development. Finally, exogenous addition of galectin-3 into HUVECs induced angiogenesis in an APN-dependent manner, implying that APN is a crucial mediator of galectin-3-induced angiogenesis in endothelial cells.

Original languageEnglish
Pages (from-to)336-341
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume363
Issue number2
DOIs
Publication statusPublished - 2007 Nov 16

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Angiogenic Proteins
Galectin 3
CD13 Antigens
Endothelial cells
Endothelial Cells
Human Umbilical Vein Endothelial Cells
Galactosides
Bacteriophages
Prosencephalon
Gene Library
Lectins
Proteins
Display devices
Carbohydrates

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

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abstract = "Aminopeptidase N/CD13 is an endothelial cell surface ectoenzyme involved in one of the initial steps of angiogenesis. However, little is known how APN induces angiogenesis in endothelial cells. Using human cDNA library-encoding phage display biopanning method, we here identified a galactoside-specific lectin family protein, galectin-3, as an interacting protein of APN. Galectin-3 specifically binds to APN both in vitro and in human umbilical vein endothelial cells (HUVECs) in a carbohydrate recognition-dependent manner. Immunohistochemical analysis demonstrates that both APN and galectin-3 are exclusively coexpressed during the angiogenic stage of mouse forebrain development. Finally, exogenous addition of galectin-3 into HUVECs induced angiogenesis in an APN-dependent manner, implying that APN is a crucial mediator of galectin-3-induced angiogenesis in endothelial cells.",
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Aminopeptidase N/CD13 induces angiogenesis through interaction with a pro-angiogenic protein, galectin-3. / Yang, Eunju; Shim, Joong Sup; Woo, Hee Jong; Kim, Kyu Won; Kwon, Ho Jeong.

In: Biochemical and Biophysical Research Communications, Vol. 363, No. 2, 16.11.2007, p. 336-341.

Research output: Contribution to journalArticle

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