High sulfotransferase activity for phenolic aromatic odorants present in the mouse olfactory organ

Hiroomi Tamura, Atsushi Miyawaki, Naoko Inoh, Yuki Harada, Katsuhiko Mikoshiba, Michio Matsui

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Mouse nasal cytosols show high sulfotransferase (ST) activities toward phenolic aromatic odorants, but have little activities for most alcoholic aromatic odorants. Most ST activities toward the phenolic odorants preferred slightly acidic pH (6.4) and were sensitive to 2,6-dichloro-4-nitrophenol, a specific inhibitor for phenol ST (P-ST) but were not inhibited by triethylamine and tetra-n-butylammonium chloride, which are specific inhibitors for hydroxysteroid ST (HS-ST). These results suggested that P-ST activities are responsible for sulfation of the phenolic odorants. The spectra of the ST activities for these odorants were similar in mouse nasal and liver cytosols, however, nasal cytosols showed much higher ST activity toward cinnamyl alcohol than liver cytosols. This activity preferred higher pH (7.4) compared to the phenolic odorant-ST activities and was inhibited by both types of inhibitors, specific for P-ST and HS-ST. These results appear to indicate the participation of multiple ST isoforms for the sulfation of odorants in mouse nasal cytosols. The existence of P-ST(s) active for the phenolic odorants in olfactory cytosols suggests a role in odorant perception, in particular, in the signal termination process.

Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalChemico-Biological Interactions
Volume104
Issue number1
DOIs
Publication statusPublished - 1997 Apr 18

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Sulfotransferases
Cytosol
Phenol
Nose
Liver
Arylsulfotransferase
Hydroxysteroids
Odorants
Protein Isoforms

Keywords

  • Inhibitor
  • Mouse
  • Odorant
  • Olfactory
  • Phenol
  • Sulfotransferase

ASJC Scopus subject areas

  • Toxicology

Cite this

High sulfotransferase activity for phenolic aromatic odorants present in the mouse olfactory organ. / Tamura, Hiroomi; Miyawaki, Atsushi; Inoh, Naoko; Harada, Yuki; Mikoshiba, Katsuhiko; Matsui, Michio.

In: Chemico-Biological Interactions, Vol. 104, No. 1, 18.04.1997, p. 1-9.

Research output: Contribution to journalArticle

Tamura, Hiroomi ; Miyawaki, Atsushi ; Inoh, Naoko ; Harada, Yuki ; Mikoshiba, Katsuhiko ; Matsui, Michio. / High sulfotransferase activity for phenolic aromatic odorants present in the mouse olfactory organ. In: Chemico-Biological Interactions. 1997 ; Vol. 104, No. 1. pp. 1-9.
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