Developmental dependency of Merkel endings on trks in the palate

Hiroyuki Ichikawa, Saburo Matsuo, Inmaculada Silos-Santiago, Mark F. Jacquin, Tomosada Sugimoto

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Immunohistochemistry for protein gene product 9.5 was performed on Merkel cells in the palate of wildtype and knockout mice for trkA, trkB or trkC. In wildtype mice, numerous Merkel cells were observed at the top of anterior four rugae. In the posterior four rugae, Merkel cells were fewer and mostly located at the base of rugae. In knockout mice for trkA, trkB and trkC, Merkel cells at the top of rugae mostly disappeared although those at the base of rugae remained unchanged. Therefore, the number of Merkel cells in anterior four rugae decreased. In posterior four rugae, however, the number of Merkel cells in the mutant mice was similar to that for wildtype mice. Immunohistochemistry for S100 also demonstrated that the loss of genes for trkA, trkB and trkC caused the absence of the immunoreactive innervation of Merkel cells. The normal development of Merkel endings at the top of palatal rugae is probably dependent on trkA, trkB and trkC.

Original languageEnglish
Pages (from-to)171-175
Number of pages5
JournalMolecular Brain Research
Volume88
Issue number1-2
DOIs
Publication statusPublished - Mar 31 2001

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Merkel Cells
Palate
Knockout Mice
Immunohistochemistry

Keywords

  • Merkel cell
  • Mutant mouse
  • Palate
  • PGP 9.5
  • S100
  • Trk

ASJC Scopus subject areas

  • Molecular Biology
  • Cellular and Molecular Neuroscience

Cite this

Ichikawa, H., Matsuo, S., Silos-Santiago, I., Jacquin, M. F., & Sugimoto, T. (2001). Developmental dependency of Merkel endings on trks in the palate. Molecular Brain Research, 88(1-2), 171-175. https://doi.org/10.1016/S0169-328X(01)00035-3

Developmental dependency of Merkel endings on trks in the palate. / Ichikawa, Hiroyuki; Matsuo, Saburo; Silos-Santiago, Inmaculada; Jacquin, Mark F.; Sugimoto, Tomosada.

In: Molecular Brain Research, Vol. 88, No. 1-2, 31.03.2001, p. 171-175.

Research output: Contribution to journalArticle

Ichikawa, H, Matsuo, S, Silos-Santiago, I, Jacquin, MF & Sugimoto, T 2001, 'Developmental dependency of Merkel endings on trks in the palate', Molecular Brain Research, vol. 88, no. 1-2, pp. 171-175. https://doi.org/10.1016/S0169-328X(01)00035-3
Ichikawa H, Matsuo S, Silos-Santiago I, Jacquin MF, Sugimoto T. Developmental dependency of Merkel endings on trks in the palate. Molecular Brain Research. 2001 Mar 31;88(1-2):171-175. https://doi.org/10.1016/S0169-328X(01)00035-3
Ichikawa, Hiroyuki ; Matsuo, Saburo ; Silos-Santiago, Inmaculada ; Jacquin, Mark F. ; Sugimoto, Tomosada. / Developmental dependency of Merkel endings on trks in the palate. In: Molecular Brain Research. 2001 ; Vol. 88, No. 1-2. pp. 171-175.
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