Establishment and characterization of transgenic mice expressing human platelet glycoprotein Ibα

Tetsuya Kitaguchi, Mitsuru Murata, Takashi Kuramochi, Kimio Kobayashi, Mamoru Ito, Yoshito Ueyama, Tatsuji Nomura, Ken Hikichi, Yoshitaka Miyakawa, Makoto Handa, Yoshiki Hiraoka, Sadakazu Aiso, Yasuo Ikeda

Research output: Contribution to journalArticle

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Abstract

The platelet glycoprotein (GP) Ib/IX/V is a hetero-oligomeric receptor complex for von Willebrand factor (VWF) and mediates platelet adhesion and aggregation under high shear stress conditions. It is composed of α and β chain of GP Ib, GP IX, AND and GP V. To establish transgenic mice carrying human GP Ibα, we injected into mouse zygotes a 6 kb DNA fragment containing human GP Ibα gene that included entire coding sequence and putative promoter region. One hundred and thirteen offsprings were screened, and only one was found to express human GP Ibα protein and has passed the human GP Ibα gene as well as the expression of the gene to next generation. The expression of human GP Ibα in transgenic mice was limited to platelets and megakaryocytes. Glycocalicin, a proteolytic fragment of human GP Ibα found in normal human plasma, was not detected in transgenic mouse plasma. Human VWF in the presence of ristocetin supported agglutination of transgenic mouse platelets, but not of control mouse platelets.

Original languageEnglish
Pages (from-to)418-424
Number of pages7
JournalBiochemical and Biophysical Research Communications
Volume220
Issue number2
DOIs
Publication statusPublished - 1996 Mar 18
Externally publishedYes

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Platelet Glycoprotein GPIb-IX Complex
Platelet Membrane Glycoproteins
Platelets
Genes
von Willebrand Factor
Glycoproteins
Ristocetin
Plasma (human)
Genetic Promoter Regions
Shear stress
Adhesion
Agglomeration
Plasmas

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Establishment and characterization of transgenic mice expressing human platelet glycoprotein Ibα. / Kitaguchi, Tetsuya; Murata, Mitsuru; Kuramochi, Takashi; Kobayashi, Kimio; Ito, Mamoru; Ueyama, Yoshito; Nomura, Tatsuji; Hikichi, Ken; Miyakawa, Yoshitaka; Handa, Makoto; Hiraoka, Yoshiki; Aiso, Sadakazu; Ikeda, Yasuo.

In: Biochemical and Biophysical Research Communications, Vol. 220, No. 2, 18.03.1996, p. 418-424.

Research output: Contribution to journalArticle

Kitaguchi, T, Murata, M, Kuramochi, T, Kobayashi, K, Ito, M, Ueyama, Y, Nomura, T, Hikichi, K, Miyakawa, Y, Handa, M, Hiraoka, Y, Aiso, S & Ikeda, Y 1996, 'Establishment and characterization of transgenic mice expressing human platelet glycoprotein Ibα', Biochemical and Biophysical Research Communications, vol. 220, no. 2, pp. 418-424. https://doi.org/10.1006/bbrc.1996.0420
Kitaguchi, Tetsuya ; Murata, Mitsuru ; Kuramochi, Takashi ; Kobayashi, Kimio ; Ito, Mamoru ; Ueyama, Yoshito ; Nomura, Tatsuji ; Hikichi, Ken ; Miyakawa, Yoshitaka ; Handa, Makoto ; Hiraoka, Yoshiki ; Aiso, Sadakazu ; Ikeda, Yasuo. / Establishment and characterization of transgenic mice expressing human platelet glycoprotein Ibα. In: Biochemical and Biophysical Research Communications. 1996 ; Vol. 220, No. 2. pp. 418-424.
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