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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Effect of the peroxisome proliferator perfluoro-n-decanoic acid on glucose transport in the isolated perfused rat liver.

The perfluorinated carboxylic acid, perfluoro-n-decanoic acid (PFDA), is a known peroxisome proliferator which displays toxicity in rodents. Using a paired-tracer first-pass extraction technique, the effect of PFDA on hepatic glucose transport was determined in the isolated perfused rat liver. In brief, livers isolated from PFDA-treated and control rats on day 5 posttreatment were administered the radiolabeled glucose analog, 3-O-[14C]methyl-D-glucose ([14C]3-O-MG) in addition to [fructose-1-3H(N)]sucrose ([3H]sucrose), which served as a measure of extracellular volume. Hepatic glucose transport was calculated from the change in the ratio [14C]3-O-MG/[3H]sucrose during passage through the liver. Data from this study indicate that PFDA inhibits hepatic glucose transport. Percent hepatic glucose extraction is 1.8-fold greater in controls than in PFDA-treated rats. No significant difference in lactate dehydrogenase levels was observed in the liver perfusate from PFDA-treated and control rats. This suggests that the difference in percent glucose extraction between PFDA-treated and control groups is specifically due to the PFDA treatment and is not attributed to differences in liver viability between groups. Although the exact mechanism for this inhibition in hepatic glucose transport is not known, it is hypothesized that PFDA may have a major impact on membrane structure/function which, in turn, may alter glucose transport.[1]

References

  1. Effect of the peroxisome proliferator perfluoro-n-decanoic acid on glucose transport in the isolated perfused rat liver. Goecke-Flora, C.M., Wyman, J.F., Jarnot, B.M., Reo, N.V. Chem. Res. Toxicol. (1995) [Pubmed]
 
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