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

作者: Hiroyuki Ichikawa , David M Jacobowitz , Tomosada Sugimoto

DOI: 10.1016/S0006-8993(97)00826-3

关键词: CalretininInferior alveolar nerveIncisorPathologyPeriodontal fiberAnatomyTrigeminal ganglionParvalbuminDental alveolusImmunohistochemistryChemistry

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

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