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Comparing administration route in rats with streptozocin-induced diabetes and inhibition of myoblast growth of vanadium [V(III), V(IV), and V(V)] dipicolinic acid complexes

  • Gail R. Willsky
  • , Michael E. Godzalla
  • , Paul J. Kostyniak
  • , Lai Har Chi
  • , Rohit Gupta
  • , Violet G. Yuen
  • , John H. McNeill
  • , Mohammad Mahroof-Tahir
  • , Jason J. Smee
  • , Luqin Yang
  • , Aaron Lobernick
  • , Shari Watson
  • , Debbie C. Crans
  • SUNY Buffalo
  • University of British Columbia
  • Colorado State University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

9 Scopus citations

Abstract

The V(V) dipicolinic acid complex was the most potent complex in two administration routes for reducing diabetic hyperglycemia or hyperlipidemia. After V(V) dipic treatment in both routes an inverse correlation of the blood/serum vanadium pool versus blood/plasma glucose pool was found. This is the first vanadium complex to show such a correlation in any diabetic population. The distribution in blood of V(V) and V (IV) dipic complexes was best modeled with a 2compartment model after acute administration. Only the V(III) and V(V) dipic complexes stimulated myoblast growth at 1 μM complex, while all complexes inhibited growth at higher concentrations. These experiments show that the oxidation state of the vanadium in dipic complexes affects biological efficacy and that processing of the V(V) dipic complex is different fom that of the lower oxidation states. These results also show that effects of vanadium complexes on rat myoblasts are similar to those observed in diabetic animals administered compounds intraperitoneally.

Original languageEnglish
Title of host publicationVanadium
Subtitle of host publicationThe Versatile Metal
EditorsKenneth Kustin, Joao Pessoa, Debbie Crans
Pages93-109
Number of pages17
StatePublished - 2007

Publication series

NameACS Symposium Series
Volume974
ISSN (Print)0097-6156

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