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Prostaglandin D Synthase (β-Trace) in Human Arachnoid and Meningioma Cells: Roles as a Cell Marker or in Cerebrospinal Fluid Absorption, Tumorigenesis, and Calcification Process

Tetsumori Yamashima, Kazushige Sakuda, Yasuo Tohma, Junkoh Yamashita, Hiroshi Oda, Daisuke Irikura, Naomi Eguchi, Carsten T. Beuckmann, Yoshihide Kanaoka, Yoshihiro Urade and Osamu Hayaishi
Journal of Neuroscience 1 April 1997, 17 (7) 2376-2382; DOI: https://doi.org/10.1523/JNEUROSCI.17-07-02376.1997
Tetsumori Yamashima
1Department of Neurosurgery, Kanazawa University School of Medicine, Kanazawa 920, Japan,
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Kazushige Sakuda
1Department of Neurosurgery, Kanazawa University School of Medicine, Kanazawa 920, Japan,
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Yasuo Tohma
1Department of Neurosurgery, Kanazawa University School of Medicine, Kanazawa 920, Japan,
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Junkoh Yamashita
1Department of Neurosurgery, Kanazawa University School of Medicine, Kanazawa 920, Japan,
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Hiroshi Oda
2Department of Biological Chemistry, Central Research Institute, Maruha Corporation, Tsukuba 300-42, Japan,
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Daisuke Irikura
3Department of Molecular Behavioral Biology, Osaka Bioscience Institute, Osaka 565, Japan, and
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Naomi Eguchi
4Department of Precursory Research for Embryonic Science and Technology, Osaka 590-02, Japan
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Carsten T. Beuckmann
3Department of Molecular Behavioral Biology, Osaka Bioscience Institute, Osaka 565, Japan, and
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Yoshihide Kanaoka
3Department of Molecular Behavioral Biology, Osaka Bioscience Institute, Osaka 565, Japan, and
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Yoshihiro Urade
3Department of Molecular Behavioral Biology, Osaka Bioscience Institute, Osaka 565, Japan, and
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Osamu Hayaishi
3Department of Molecular Behavioral Biology, Osaka Bioscience Institute, Osaka 565, Japan, and
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Abstract

Glutathione-independent prostaglandin D synthase (PGDS) is an enzyme responsible for biosynthesis of prostaglandin D2 in the CNS and is identical to a major cerebrospinal fluid protein, β-trace. Although PGDS has been identified recently in rat leptomeninges, little information is available about human meninges or meningiomas. Here, we report PGDS to be expressed consistently in 10 human arachnoid and arachnoid villi and in 21 meningiomas by immunohistochemistry, Western blot, and reverse transcription (RT)-PCR analyses. In arachnoid, PGDS immunoreactivity was seen in arachnoid barrier cells but was negligible in arachnoid trabecula and pia mater. In contrast, in arachnoid villi, PGDS was seen in core arachnoid cells rather than in the cap cell cluster or arachnoid cell layer. Meningioma cells also showed intense immunoreactivity in the perinuclear region, and it was often concentrated within meningocytic whorls and around calcifying psammoma bodies. Immunoelectron microscopic data, when compared with the ultrastructure, showed that PGDS was localized at rough endoplasmatic reticulum of arachnoid and meningioma cells. Western blot showed a 29 kDa immunoreactive band indicating PGDS, but the extent of expression was variable from case to case, which was compatible with immunohistochemical data. RT-PCR revealed PGDS gene expression in all meningiomas studied, regardless of histological subtypes, and also in human arachnoid villi. Because human arachnoid and meningioma cells exclusively express PGDS, it can be considered their specific cell marker. These results show functional differences in various types of meningeal cells attributable to differences in PGDS expression.

  • arachnoid
  • arachnoid villus
  • meningioma
  • prostaglandin D synthase
  • β-trace
  • prostaglandin
  • cerebrospinal fluid
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The Journal of Neuroscience: 17 (7)
Journal of Neuroscience
Vol. 17, Issue 7
1 Apr 1997
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Prostaglandin D Synthase (β-Trace) in Human Arachnoid and Meningioma Cells: Roles as a Cell Marker or in Cerebrospinal Fluid Absorption, Tumorigenesis, and Calcification Process
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Prostaglandin D Synthase (β-Trace) in Human Arachnoid and Meningioma Cells: Roles as a Cell Marker or in Cerebrospinal Fluid Absorption, Tumorigenesis, and Calcification Process
Tetsumori Yamashima, Kazushige Sakuda, Yasuo Tohma, Junkoh Yamashita, Hiroshi Oda, Daisuke Irikura, Naomi Eguchi, Carsten T. Beuckmann, Yoshihide Kanaoka, Yoshihiro Urade, Osamu Hayaishi
Journal of Neuroscience 1 April 1997, 17 (7) 2376-2382; DOI: 10.1523/JNEUROSCI.17-07-02376.1997

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Prostaglandin D Synthase (β-Trace) in Human Arachnoid and Meningioma Cells: Roles as a Cell Marker or in Cerebrospinal Fluid Absorption, Tumorigenesis, and Calcification Process
Tetsumori Yamashima, Kazushige Sakuda, Yasuo Tohma, Junkoh Yamashita, Hiroshi Oda, Daisuke Irikura, Naomi Eguchi, Carsten T. Beuckmann, Yoshihide Kanaoka, Yoshihiro Urade, Osamu Hayaishi
Journal of Neuroscience 1 April 1997, 17 (7) 2376-2382; DOI: 10.1523/JNEUROSCI.17-07-02376.1997
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Keywords

  • arachnoid
  • arachnoid villus
  • meningioma
  • prostaglandin D synthase
  • β-trace
  • prostaglandin
  • cerebrospinal fluid

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