Abstract:
:Vanadium compounds maintain euglycemic effects in diabetic rats long after drug withdrawal and bis(α-furancarboxylato)oxovanadium(IV) (BFOV) possesses potent antidiabetic effects in diabetic rats. Here, we investigated the treatment and posttreatment effects of BFOV in diabetic Kuo Kondo [1, 2] with Ay gene (KKAy) mice, and whether these effects were associated with changes in matrix metalloproteinases (MMPs). KKAy mice received normal saline or BFOV initially at 70 μmol/kg/day for 1 month, which was tapered to 17 μmol/kg/day in the next 2 months and discontinued thereafter. Compared to diabetic controls, fasting plasma glucose (FPG) was reduced by 46 and 19 % in KKAy mice after 70 μmol/kg BFOV for 1 month and 3 months after BFOV withdrawal, respectively. OGTT and ITT showed improved glucose tolerance and a better response of FPG to insulin with a significant decrease in HOMA-IR and a marked rise in the insulin sensitivity index after 70 μmol/kg BFOV for 1 month and 4 months after BFOV withdrawal (P <0.05 in all vs. diabetic controls). BFOV treatment resulted in a moderate but significant reduction in body weight and systolic blood pressure (SBP) at 1 month of treatment and 4 months following BFOV withdrawal (P <0.05 in all vs. diabetic controls). Gelatin zymography showed that serum MMP2 activity was significantly reduced and immunoblotting assays further showed that MMP2 expression was markedly downregulated in the liver after 1 month of treatment with 70 μmol/kg and 4 months after BFOV withdrawal (P <0.05 in all vs. diabetic controls). These results suggested that BFOV possessed potent treatment and posttreatment effects in KKAy mice with improved metabolic profile and reduced body weight and SBP. Furthermore, these effects were associated with decreased MMP2 expression and activity in diabetic KKAy mice.
journal_name
Biol Trace Elem Resjournal_title
Biological trace element researchauthors
Li L,Gao L,Liu S,Liu Q,Sun S,Huan Y,Li C,Peng J,Hou G,Li L,Liu W,Shen Zdoi
10.1007/s12011-013-9689-5subject
Has Abstractpub_date
2013-06-01 00:00:00pages
329-39issue
1-3eissn
0163-4984issn
1559-0720journal_volume
153pub_type
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