Identification of the novel localization of tenascinX in the monkey choroid plexus and comparison with the mouse

K. Imura, I. Sato
  • I. Sato
    Affiliation not present


Tenascin-X (Tn-X) belongs to the tenascin family of glycoproteins and has been reported to be significantly associated with schizophrenia in a single nucleotide polymorphism analysis in humans. This finding indicates an important role of Tn-X in the central nervous system (CNS). However, details of Tn-X localization are not clear in the primate CNS. Using immunohistochemical techniques, we found novel localizations of Tn-X in the interstitial connective tissue and around blood vessels in the choroid plexus (CP) in macaque monkeys. To verify the reliability of Tn-X localization, we compared the Tn-X localization with the tenascin-C (Tn-C) localization in corresponding regions using neighbouring sections. Localization of Tn-C was not observed in CP. This result indicated consistently restricted localization of Tn-X in CP. Comparative investigations using mouse tissues showed equivalent results. Our observations provide possible insight into specific roles of Tn-X in CP for mammalian CNS function.


tenascin-X, choroid plexus, monkey, mouse, Ehlers–Danlos syndrome, schizophrenia.

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Submitted: 2009-12-01 10:26:56
Published: 2009-12-09 00:00:00
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