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Cooling of the urinary bladder activates neurons in the dorsal horn of the spinal cord
Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of cell biology.
Department of Cell andMolecular Biology Karolinska Institute.
2004 (English)In: NeuroReport, ISSN 0959-4965, Vol. 15, no 2, 351-355 p.Article in journal (Refereed) Published
Abstract [en]

Although visceral innocuous cold receptors have been documented, the central termination of their afferents is unknown. We used menthol solution (0. 6 m M) to obtain selective activation of cold receptors in the urinary bladder of rats. Innocuous cold stimulation induced Fos expression in a population of neurons in the superficial dorsal horn of L6-SI segments of the spinal cord. Neurons in other regions of the spinal cord, e.g. the lumbar parasympathetic nucleus or the dorsal commissure region, were activated to a similar degree by menthol and control infusions, indicating a response to bladder filling. Our results are consistent with the proposal that subsets of modality-specific dorsal horn neurons convey specific information regarding the exteroceptive and interoceptive state of the animal. © 2004 Lippincott Williams & Wilkins.

Place, publisher, year, edition, pages
2004. Vol. 15, no 2, 351-355 p.
Keyword [en]
c fos
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-39569DOI: 10.1097/00001756-200402090-00028Local ID: 49792OAI: diva2:260418
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2011-01-12

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Jiang, Chonghe
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