Coexpression of calretinin and parvalbumin in Ruffini-like endings in the rat incisor periodontal ligament

Hiroyuki Ichikawa, David M. Jacobowitz, Tomosada Sugimoto

研究成果: Article

47 引用 (Scopus)

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The coexpression of calretinin- (CR) and parvalbumin-immunoreactivities (irs) was examined in oro-facial tissues of the rat. Nerve fibers coexpressing these calcium-binding proteins (CaBPs) were observed in the lingual periodontal ligament of incisors but not other tissues. In the part of periodontal ligament adjacent to the alveolar bone, such nerve fibers left nerve bundles and formed bush-like endings, i.e., they ramified repeatedly and terminated with one to four twigs. An immunoelectron microscopic method indicated that these endings were identical to Ruffini- like endings. 4% of trigeminal neurons retrogradely labeled from the inferior alveolar nerve coexpressed CR- and parvalbumin-irs. The present observations suggest that the coexpression of these CaBPs may be a specific marker for low-threshold mechanoreceptors in the trigeminal ganglion.

元の言語English
ページ(範囲)294-297
ページ数4
ジャーナルBrain research
770
発行部数1-2
DOI
出版物ステータスPublished - 1997 10 3
外部発表Yes

ASJC Scopus subject areas

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

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