Autotaxin and vascular endothelial growth factor receptor-2 and -3 are related to vascular development during the progression of chronic viral hepatitis C

Hiroaki Yokomori, Wataru Ando, Fumihiko Kaneko, Hidekazu Suzuki, Koji Igarashi, Masaya Oda

Research output: Contribution to journalArticle

Abstract

Vascular endothelial growth factor (VEGF) and autotaxin (ATX) play important roles in embryonic vasculogenesis and cancer progression. This study examines whether these two angiogenic factors cooperate in the mechanism that regulates vascular development during the progression of chronic viral hepatitis C (CVH-C) (Inuyama classification, F1–F4). First, surgical wedge biopsy specimens and needle biopsy specimens were obtained. Immunohistochemical staining for ATX and vascular endothelial growth factor receptor was assessed in serial sections. Immunoelectron microscopy was conducted with a perfusion-fixation method. In normal control liver tissue specimens, ATX was expressed at low levels within the branches of the hepatic artery and hepatic sinusoids. In F1 CVH-C liver tissue specimens, ATX was expressed within the branches of the hepatic artery. Additionally, VEGFR-2 was expressed within the branches of the hepatic artery and capillaries. In F3–F4 CVH-C liver tissue specimens, positive staining for ATX and VEGFR-2 or VEGFR-3 was detected in the branches of the hepatic artery or microlymphatic vessels. ATX-1 reaction products were specifically expressed on the plasma membrane of some microvascular endothelial cells (ECs) in the proliferative capillary artery. VEGFR-2 was expressed on caveolae in ECs and vascular smooth muscle cells. VEGFR-3 immunogold particles were also observed in lymphatic ECs. These results suggest functional interactions among ATX, VEGFR-2, and VEGFR-3 in the modulation of hemovascular and lymphovascular cell activation during vascular development.

Original languageEnglish
Pages (from-to)913-921
Number of pages9
JournalAPMIS
Volume126
Issue number12
DOIs
Publication statusPublished - 2018 Dec 1

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Vascular Endothelial Growth Factor Receptor-3
Vascular Endothelial Growth Factor Receptor-2
Hepatic Artery
Chronic Hepatitis C
Blood Vessels
Endothelial Cells
Liver
Staining and Labeling
Caveolae
Vascular Endothelial Growth Factor Receptor
Immunoelectron Microscopy
Angiogenesis Inducing Agents
Needle Biopsy
Vascular Smooth Muscle
Vascular Endothelial Growth Factor A
Smooth Muscle Myocytes
Arteries
Perfusion
Cell Membrane
Biopsy

Keywords

  • Autotaxin
  • hepatitis C
  • vascular development
  • VEGF

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Immunology and Allergy
  • Microbiology (medical)

Cite this

Autotaxin and vascular endothelial growth factor receptor-2 and -3 are related to vascular development during the progression of chronic viral hepatitis C. / Yokomori, Hiroaki; Ando, Wataru; Kaneko, Fumihiko; Suzuki, Hidekazu; Igarashi, Koji; Oda, Masaya.

In: APMIS, Vol. 126, No. 12, 01.12.2018, p. 913-921.

Research output: Contribution to journalArticle

Yokomori, Hiroaki ; Ando, Wataru ; Kaneko, Fumihiko ; Suzuki, Hidekazu ; Igarashi, Koji ; Oda, Masaya. / Autotaxin and vascular endothelial growth factor receptor-2 and -3 are related to vascular development during the progression of chronic viral hepatitis C. In: APMIS. 2018 ; Vol. 126, No. 12. pp. 913-921.
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