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Updated: Jul 3, 2026

Yeast Luminometric and Xenopus Oocyte Electrophysiological Examinations of the Molecular Mechanosensitivity of TRPV4
Published on: December 31, 2013
Localization of transient receptor potential vanilloid (TRPV) in the human larynx
Takao Hamamoto1, Masaya Takumida, Katsuhiro Hirakawa
1Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan. hamamoto-takao@ams.odn.ne.jp
Conclusion:
Transient receptor potential vanilloid (TRPV) 1, 2, 3, and 4 were expressed in the human larynx, which may act as laryngeal nociceptors perceiving luminal noxious stimuli, play an important role in thermal sensation and osmotic sensation, and are also related to some pathological conditions and prevention of aspiration.
Objective:
Expression of TRPV1, 2, 3, and 4 in the human larynx was analyzed.
Materials And Methods:
Specimens of human epiglottic epithelium obtained from six patients were used in this study. The localization of TRPV1, 2, 3, and 4 in the laryngeal epithelium was investigated by immunohistochemistry.
Results:
Immunohistochemical study revealed the presence of TRPV1, 2, 3, and 4 in the laryngeal epithelial cells. Chemoradiotherapy may reduce the expression of TRPV1, 2, 3, and 4, which might be a result of the mucositis and neuropathy in laryngeal epithelium.
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