Adhesion of adenosine diphosphate-activated platelets to human brain microvascular endothelial cells under flow in vitro is mediated via GPIIb/IIIa

Norio Tanahashi, Yasuo Fukuuchi, Minoru Tomita, Yutaka Tomita, Koji Inoue, Hideki Satoh, Takato Abe

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Employing video-enhanced contrast (VEC) microscopy, we examined whether TAK-029 (GPIIb/IIIa antagonist) inhibits the adhesion of activated platelets to human brain microvascular endothelial cells (HBEC) in vitro. HBECs were cultured on a coverglass and put in the observation chamber of VEC microscopy. Then, activated platelets by adenosine diphosphate (ADP) (2 μM) were perfused over HBEC at a low shear rate of 10 s-1 for 30 min and washed out. Platelets adhered directly to HBEC. However, platelet adhesion to HBEC was suppressed when platelet rich plasma with ADP (2 μM) plus TAK-029 (GPIIb/IIIa antagonist; 1 μM) was perfused over HBEC for 30 min and washed out. Anti-GPIbα antibody (GUR20-5) did not inhibit adhesion of ADP-activated platelets to HBEC. The above results showed adhesion of ADP-activated platelets to HBEC under flow in vitro is mediated via GPIIb/IIIa.

Original languageEnglish
Pages (from-to)33-36
Number of pages4
JournalNeuroscience Letters
Volume301
Issue number1
DOIs
Publication statusPublished - 2001 Mar 23

Fingerprint

Adenosine Diphosphate
Blood Platelets
Endothelial Cells
Brain
Microscopy
Platelet-Rich Plasma
In Vitro Techniques
Anti-Idiotypic Antibodies
Observation

Keywords

  • GPIbα
  • GPIIb/IIIa
  • Human brain microvascular endothelial cells
  • Platelet adhesion
  • Platelet aggregation

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Adhesion of adenosine diphosphate-activated platelets to human brain microvascular endothelial cells under flow in vitro is mediated via GPIIb/IIIa. / Tanahashi, Norio; Fukuuchi, Yasuo; Tomita, Minoru; Tomita, Yutaka; Inoue, Koji; Satoh, Hideki; Abe, Takato.

In: Neuroscience Letters, Vol. 301, No. 1, 23.03.2001, p. 33-36.

Research output: Contribution to journalArticle

Tanahashi, Norio ; Fukuuchi, Yasuo ; Tomita, Minoru ; Tomita, Yutaka ; Inoue, Koji ; Satoh, Hideki ; Abe, Takato. / Adhesion of adenosine diphosphate-activated platelets to human brain microvascular endothelial cells under flow in vitro is mediated via GPIIb/IIIa. In: Neuroscience Letters. 2001 ; Vol. 301, No. 1. pp. 33-36.
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