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Pax2 is persistently expressed by GABAergic neurons throughout the adult rat dorsal horn.
Linköping University, Department of Clinical and Experimental Medicine, Division of Cell Biology. Linköping University, Faculty of Medicine and Health Sciences.ORCID iD: 0000-0003-3584-7829
2017 (English)In: Neuroscience Letters, ISSN 0304-3940, E-ISSN 1872-7972, Vol. 638, 96-101 p.Article in journal (Refereed) Published
Abstract [en]

The transcription factor Pax2 is required for the differentiation of GABAergic neurons in the mouse dorsal horn. Pax2 continues to be expressed in the adult murine spinal cord and has been used as a presumed marker of GABAergic neurons in the superficial dorsal horn of the adult mouse, although a strict association between adult Pax2 expression and presence of GABA throughout the dorsal horn has not been firmly established. Moreover, whether Pax2 is selectively expressed in GABAergic dorsal horn neurons also in the rat is unknown. Here, immunofluorescent labeling of Pax2 and GABA in the lumbar spinal cord of adult rats was used to investigate this issue. Indeed, essentially all GABA immunoreactive neurons in laminae I-V were immunolabeled for Pax2. Conversely, essentially all Pax2 immunopositive neurons in these laminae exhibited somatic GABA immunolabeling. These results indicate persistent Pax2 expression in GABAergic neurons in the adult rat dorsal horn, supporting the hypothesis that Pax2 may be required for the maintenance of a GABAergic phenotype in mature inhibitory dorsal horn neurons in the rat. Furthermore, Pax2 may be used as a selective and specific general somatic marker of such neurons.

Place, publisher, year, edition, pages
2017. Vol. 638, 96-101 p.
National Category
Neurosciences
Identifiers
URN: urn:nbn:se:liu:diva-134544DOI: 10.1016/j.neulet.2016.12.015ISI: 000392787400016PubMedID: 27939388OAI: oai:DiVA.org:liu-134544DiVA: diva2:1074259
Note

Funding agencies: Linkoping Centre for Systems Neurobiology; Medical Faculty at Linkoping University; Royal Academy of Sciences

Available from: 2017-02-15 Created: 2017-02-15 Last updated: 2017-11-29

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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  • Other style
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  • de-DE
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