Sulfotransferases in a human colon carcinoma cell line, Caco-2

Tomoko Satoh, Michio Matsui, Hiroomi Tamura

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

We investigated the expression of sulfotransferases (STs) in the human colon carcinoma cell line, Caco-2, which is widely used as a human intestine model for orally administered drugs. By reverse transcription-polymerase chain reaction (RT-PCR), we could detect mRNA expressions of phenol STs (P- ST), hydroxysteroid ST (HS-ST) and estrogen ST (E-ST). Treatment with 1,25- dihydroxyvitamine D3, which induces CYP3A4 expression in Caco-2 cells, did not affect the ST expression of the cells. We detected significant P-ST activity toward 2··naphthol and dopamine in the cell extract. We also observed detectable HS-ST activity toward dehydroepiandrosterone (DHEA), but no E-ST activity toward β-estradiol was observed in the extract. Analyses by RT-PCR and separation of P-ST activities on ion-exchange column chromatography showed that the thermolabile monoamine phenol sulfotransferase (M-PST) is dominant in Caco-2 cells.

Original languageEnglish
Pages (from-to)810-814
Number of pages5
JournalBiological and Pharmaceutical Bulletin
Volume23
Issue number7
Publication statusPublished - 2000 Jul

Fingerprint

Sulfotransferases
Colon
Arylsulfotransferase
Carcinoma
Cell Line
Caco-2 Cells
Reverse Transcription
Hydroxysteroids
Cytochrome P-450 CYP3A
Polymerase Chain Reaction
Dehydroepiandrosterone
Ion Exchange Chromatography
Cell Extracts
Intestines
Estradiol
Dopamine
Estrogens
Messenger RNA
Pharmaceutical Preparations

Keywords

  • Caco-2
  • Intestine
  • Sulfotransferase

ASJC Scopus subject areas

  • Molecular Medicine
  • Pharmacology, Toxicology and Pharmaceutics(all)

Cite this

Sulfotransferases in a human colon carcinoma cell line, Caco-2. / Satoh, Tomoko; Matsui, Michio; Tamura, Hiroomi.

In: Biological and Pharmaceutical Bulletin, Vol. 23, No. 7, 07.2000, p. 810-814.

Research output: Contribution to journalArticle

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