Gene expression of epithelial glucose transporters: The role of diabetes mellitus

Jesus Dominguez, Buguang Song, Lidia Maianu, W. Timothy Garvey, Mona Qulali

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The functions of absorption of dietary glucose by the small intestine and reabsorption of filtered glucose by the renal proximal tubule are strikingly similar in their organization and in the way they adapt to uncontrolled diabetes mellitus. In both cases, transepithelial glucose and Na+ fluxes are augmented. The epithelial adaptations to hyperglycemia of uncontrolled diabetes are accomplished by increasing the glucose transport surface area and the number of the efflux glucose transporter GLUT2 located in the basolateral membrane. The signals that modify the size of the epithelium and the overexpression of basolateral GLUT2 are not known. It was speculated that high glucose levels and enhanced Na+ flux may be important factors in the signaling event that culminates in a renal and intestinal epithelium that is modified to transport higher rates of glucose against a higher extracellular level of glucose.

Original languageEnglish
JournalJournal of the American Society of Nephrology
Volume5
Issue number1 SUPPL.
StatePublished - Nov 1994

Fingerprint

Facilitative Glucose Transport Proteins
Diabetes Mellitus
Gene Expression
Glucose
Proximal Kidney Tubule
Intestinal Mucosa
Hyperglycemia
Small Intestine
Epithelium
Kidney
Membranes

Keywords

  • Glucose
  • GLUT1
  • GLUT2
  • Sodium/glucose cotransporter

ASJC Scopus subject areas

  • Nephrology

Cite this

Gene expression of epithelial glucose transporters : The role of diabetes mellitus. / Dominguez, Jesus; Song, Buguang; Maianu, Lidia; Garvey, W. Timothy; Qulali, Mona.

In: Journal of the American Society of Nephrology, Vol. 5, No. 1 SUPPL., 11.1994.

Research output: Contribution to journalArticle

Dominguez, Jesus ; Song, Buguang ; Maianu, Lidia ; Garvey, W. Timothy ; Qulali, Mona. / Gene expression of epithelial glucose transporters : The role of diabetes mellitus. In: Journal of the American Society of Nephrology. 1994 ; Vol. 5, No. 1 SUPPL.
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