Oxidation of [1,12-14C]dodecanedioic acid by rat pancreatic islets

Wj Malaisse, Av Greco, Geltrude Mingrone

Risultato della ricerca: Contributo in rivistaArticolo in rivista

3 Citazioni (Scopus)


Several aliphatic dioic acids were recently reported to stimulate insulin release in isolated rat pancreatic islets incubated at close-to-physiological D-glucose concentrations. In order to gain insight into the mode of action of these acids in pancreatic islet B-cells, the oxidation of [1,12-14C]dodecanedioic acid (5.0 mM) was now measured in rat islets. Expressed as pmol of [1, 12-14C]dodecanedioic acid equivalent, the production of 14CO2 was close to 1.0 pmol/islet per 120 min, representing about 8% of that attributable to the oxidation of D-[U-14C]-glucose (8.3 mM). The dioic acid and the hexose failed to exert any significant reciprocal effect upon their respective oxidation rate. These findings support the view that the insulinotropic action of dodecanedioic acid, and presumably other aliphatic dioic acids, is causally linked to their capacity to act as nutrients in pancreatic islet cells.
Lingua originaleEnglish
pagine (da-a)453-454
Numero di pagine2
RivistaInternational Journal of Molecular Medicine
Stato di pubblicazionePubblicato - 2000


  • Animals
  • Carbon Dioxide
  • Carbon Radioisotopes
  • Dicarboxylic Acids
  • Female
  • Glucose
  • Islets of Langerhans
  • Oxidation-Reduction
  • Rats
  • Rats, Wistar


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