Abnormal taste perception in mice lacking the type 3 inositol 1,4,5-trisphosphate receptor

Chihiro Hisatsune, Keiko Yasumatsu, Hiromi Takahashi-Iwanaga, Naoko Ogawa, Yukiko Kuroda, Ryusuke Yoshida, Yuzo Ninomiya, Katsuhiko Mikoshiba

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

Inositol 1,4,5-trisphosphate receptor (IP3R) is one of the important calcium channels expressed in the endoplasmic reticulum and has been shown to play crucial roles in various physiological phenomena. Type 3 IP 3R is expressed in taste cells, but the physiological relevance of this receptor in taste perception in vivo is still unknown. Here, we show that mice lacking IP3R3 show abnormal behavioral and electrophysiological responses to sweet, umami, and bitter substances that trigger G-protein-coupled receptor activation. In contrast, responses to salty and acid tastes are largely normal in the mutant mice. We conclude that IP3R3 is a principal mediator of sweet, bitter, and umami taste perception and would be a missing molecule linking phospholipase C β2 to TRPM5 activation.

Original languageEnglish
Pages (from-to)37225-37231
Number of pages7
JournalJournal of Biological Chemistry
Volume282
Issue number51
DOIs
Publication statusPublished - Dec 21 2007
Externally publishedYes

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Taste Perception
Inositol 1,4,5-Trisphosphate Receptors
Chemical activation
Physiological Phenomena
Type C Phospholipases
Calcium Channels
G-Protein-Coupled Receptors
Endoplasmic Reticulum
Molecules
Acids

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Hisatsune, C., Yasumatsu, K., Takahashi-Iwanaga, H., Ogawa, N., Kuroda, Y., Yoshida, R., ... Mikoshiba, K. (2007). Abnormal taste perception in mice lacking the type 3 inositol 1,4,5-trisphosphate receptor. Journal of Biological Chemistry, 282(51), 37225-37231. https://doi.org/10.1074/jbc.M705641200

Abnormal taste perception in mice lacking the type 3 inositol 1,4,5-trisphosphate receptor. / Hisatsune, Chihiro; Yasumatsu, Keiko; Takahashi-Iwanaga, Hiromi; Ogawa, Naoko; Kuroda, Yukiko; Yoshida, Ryusuke; Ninomiya, Yuzo; Mikoshiba, Katsuhiko.

In: Journal of Biological Chemistry, Vol. 282, No. 51, 21.12.2007, p. 37225-37231.

Research output: Contribution to journalArticle

Hisatsune, C, Yasumatsu, K, Takahashi-Iwanaga, H, Ogawa, N, Kuroda, Y, Yoshida, R, Ninomiya, Y & Mikoshiba, K 2007, 'Abnormal taste perception in mice lacking the type 3 inositol 1,4,5-trisphosphate receptor', Journal of Biological Chemistry, vol. 282, no. 51, pp. 37225-37231. https://doi.org/10.1074/jbc.M705641200
Hisatsune, Chihiro ; Yasumatsu, Keiko ; Takahashi-Iwanaga, Hiromi ; Ogawa, Naoko ; Kuroda, Yukiko ; Yoshida, Ryusuke ; Ninomiya, Yuzo ; Mikoshiba, Katsuhiko. / Abnormal taste perception in mice lacking the type 3 inositol 1,4,5-trisphosphate receptor. In: Journal of Biological Chemistry. 2007 ; Vol. 282, No. 51. pp. 37225-37231.
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