Localization of organic anion transporting polypeptide 3 (oatp3) in mouse brain parenchymal and capillary endothelial cells

Sumio Ohtsuki, Takuya Takizawa, Hitomi Takanaga, Satoko Hori, Ken Ichi Hosoya, Tetsuya Terasaki

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Organic anion transporting polypeptide 3 (oatp3) transports various CNS-acting endogenous compounds, including thyroid hormones and prostaglandin E2, between extra- and intracellular spaces, suggesting a possible role in CNS function. The purpose of this study was to clarify the expression and localization of oatp3 in the mouse brain. RT-PCR analysis revealed that oatp3 mRNA is expressed in brain capillary-rich fraction, conditionally immortalized brain capillary endothelial cells, choroid plexus, brain and lung, but not in liver or kidney, where oatp1, 2 and 5 mRNAs were detected. Immunohistochemical analysis with anti-oatp3 antibody suggests that oatp3 protein is localized at the brush-border membrane of mouse choroid plexus epithelial cells. Furthermore, intense immunoreactivity was detected in neural cells in the border region between hypothalamus and thalamus, and in the olfactory bulb. Immunoreactivity was also detected in brain capillary endothelial cells in the cerebral cortex. These localizations in the mouse brain suggest that oatp3 plays roles in blood-brain and -cerebrospinal fluid barrier transport of organic anions and signal mediators, and in hormone uptake by neural cells.

Original languageEnglish
Pages (from-to)743-749
Number of pages7
JournalJournal of Neurochemistry
Volume90
Issue number3
DOIs
Publication statusPublished - 2004 Aug 1
Externally publishedYes

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Endothelial cells
Anions
Brain
Endothelial Cells
Peptides
Choroid Plexus
Intracellular Space
Cerebrospinal fluid
Messenger RNA
Olfactory Bulb
Extracellular Space
Brushes
Microvilli
Mouse Oatp3 protein
Thalamus
Thyroid Hormones
Dinoprostone
Liver
Cerebral Cortex
Hypothalamus

Keywords

  • Blood-brain barrier
  • Choroid plexus
  • Hypothalamus
  • Olfactory bulb
  • Organic anion transporting polypeptide 3

ASJC Scopus subject areas

  • Biochemistry
  • Cellular and Molecular Neuroscience

Cite this

Localization of organic anion transporting polypeptide 3 (oatp3) in mouse brain parenchymal and capillary endothelial cells. / Ohtsuki, Sumio; Takizawa, Takuya; Takanaga, Hitomi; Hori, Satoko; Hosoya, Ken Ichi; Terasaki, Tetsuya.

In: Journal of Neurochemistry, Vol. 90, No. 3, 01.08.2004, p. 743-749.

Research output: Contribution to journalArticle

Ohtsuki, Sumio ; Takizawa, Takuya ; Takanaga, Hitomi ; Hori, Satoko ; Hosoya, Ken Ichi ; Terasaki, Tetsuya. / Localization of organic anion transporting polypeptide 3 (oatp3) in mouse brain parenchymal and capillary endothelial cells. In: Journal of Neurochemistry. 2004 ; Vol. 90, No. 3. pp. 743-749.
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