Transport of D-glucose across cultured stratified cell layer of human oral mucosal cells

T. Kimura, H. Yamano, A. Tanaka, T. Matsumura, M. Ueda, K. I. Ogawara, Kazutaka Higaki

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

To evaluate the role of several specialized mechanisms for D-glucose transport in human oral mucosa, a cultured stratified cell layer derived from human oral mucosa was employed. Although this culture system has been used for reconstructive surgery, we, for the first time, tried to apply this system to the evaluation of nutrients and drug transport. Cell number and transepithelial electrical resistance (TEER) reached steady state 7-8 days after inoculation on the Transwell and TEER values at steady state were 130-140 Ω cm2, which was higher or lower than that of small intestine or Caco-2 cells, respectively. The transport studies were carried out using the cultured epithelium on the Transwell. The transport of D-glucose across the cultured stratified layer of oral epithelial cells was much more extensive than L-glucose, and was inhibited by 2-deoxy-D-glucose, a substrate of facilitative glucose transporters, and α-methyl-D-glucoside, a specific substrate of a Na+/glucose cotransporter (SGLT1). The results indicate that the sugar transporters function not only to take up D-glucose by the epithelial cells but also to transport the sugar across the stratified epithelial layer.

Original languageEnglish
Pages (from-to)213-219
Number of pages7
JournalJournal of Pharmacy and Pharmacology
Volume54
Issue number2
DOIs
Publication statusPublished - 2002

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Cultured Cells
Glucose
Mouth Mucosa
Electric Impedance
Reconstructive Surgical Procedures
Epithelial Cells
Drug Evaluation
Caco-2 Cells
Facilitative Glucose Transport Proteins
Deoxyglucose
Small Intestine
Epithelium
Cell Count
Food

ASJC Scopus subject areas

  • Pharmacology
  • Pharmaceutical Science

Cite this

Transport of D-glucose across cultured stratified cell layer of human oral mucosal cells. / Kimura, T.; Yamano, H.; Tanaka, A.; Matsumura, T.; Ueda, M.; Ogawara, K. I.; Higaki, Kazutaka.

In: Journal of Pharmacy and Pharmacology, Vol. 54, No. 2, 2002, p. 213-219.

Research output: Contribution to journalArticle

Kimura, T. ; Yamano, H. ; Tanaka, A. ; Matsumura, T. ; Ueda, M. ; Ogawara, K. I. ; Higaki, Kazutaka. / Transport of D-glucose across cultured stratified cell layer of human oral mucosal cells. In: Journal of Pharmacy and Pharmacology. 2002 ; Vol. 54, No. 2. pp. 213-219.
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