Presence of β-arrestin-1 immunoreactivity in the cutaneous nerve fibers of rat glabrous skin

Naoka Komori, Jane Neal, Sandra D. Cain, Justin Logan, Celeste Wirsig, Kenneth Miller

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

β-Arrestin-1 (βArr1) plays a major role in the desensitization and internalization of G protein-coupled receptors. We previously localized βArr1 in the sensory neurons of rat lumbar 4 and 5 dorsal root ganglia (DRG) and reported the predominant presence of βArr1 in the small-diameter DRG neurons that are often implicated with nociception. Because of βArr1's crucial role in regulating the initiation of cellular signaling, in the current study we evaluated the distribution of βArr1 in the peripheral sensory terminals where various receptors are present. Western blotting confirmed the presence of βArr1 immunoreactivity in the rat skin. Sciatic nerve ligation demonstrated that βArr1 is transported peripherally from the DRG, and immunohistochemistry showed βArr1 immunoreactivity in the glabrous skin of the rat hindpaw. In the glabrous skin, strong βArr1 immunoreactivity was detected in nerve fibers in the dermal nerve plexus and dermal papillae. Fine varicose immunoreactive fibers were found in the epidermis. In addition, βArr1 was observed in specialized sensory receptors such as Meissner corpuscles. Our observations thus indicate that βArr1 may be involved in modulation of specific tactile stimulation from the skin in addition to nociception.

Original languageEnglish
Pages (from-to)121-129
Number of pages9
JournalBrain Research
Volume988
Issue number1-2
DOIs
StatePublished - 24 Oct 2003

Fingerprint

Arrestin
Nerve Fibers
Skin
Spinal Ganglia
Nociception
Sensory Receptor Cells
Mechanoreceptors
Touch
Sciatic Nerve
G-Protein-Coupled Receptors
Epidermis
Ligation
Western Blotting
Immunohistochemistry

Keywords

  • Anterograde transport
  • Calcitonin-gene related peptide
  • Mechanoreceptor
  • PGP-9.5
  • Peripheral nociceptor terminal
  • Peripherin

Cite this

Komori, Naoka ; Neal, Jane ; Cain, Sandra D. ; Logan, Justin ; Wirsig, Celeste ; Miller, Kenneth. / Presence of β-arrestin-1 immunoreactivity in the cutaneous nerve fibers of rat glabrous skin. In: Brain Research. 2003 ; Vol. 988, No. 1-2. pp. 121-129.
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Presence of β-arrestin-1 immunoreactivity in the cutaneous nerve fibers of rat glabrous skin. / Komori, Naoka; Neal, Jane; Cain, Sandra D.; Logan, Justin; Wirsig, Celeste; Miller, Kenneth.

In: Brain Research, Vol. 988, No. 1-2, 24.10.2003, p. 121-129.

Research output: Contribution to journalArticle

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