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The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.

Insulin selectively increases SREBP-1c mRNA in the livers of rats with streptozotocin-induced diabetes

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Shimomura, Iichiro, Bashmakov, Yuriy, Ikemoto, Shinji, Horton, Jay D., Brown, Michael S., Goldstein, Joseph L.·1999·Proceedings of the National Academy of Sciences

Abstract

Sterol regulatory element binding proteins (SREBPs) enhance transcription of genes encoding enzymes of cholesterol and fatty acid biosynthesis and uptake. In the current experiments, we observed a decline in the mRNA encoding one SREBP isoform, SREBP-1c, in the livers of rats that were rendered diabetic by treatment with streptozotocin. There was no change in the mRNA encoding SREBP-1a, which is derived from the same gene as SREBP-1c but uses a different promoter. The ratio of SREBP-1c:1a transcripts fell 25-fold from 5:1 in control rats to 0.2:1 in the diabetic animals. The SREBP-1c mRNA rose nearly to normal, and the 1c:1a ratio increased 17-fold when the diabetic rats were treated for 6 h with insulin. These treatments produced no change in the mRNA for SREBP-2, which is encoded by a separate gene. The SREBP-1c mRNA also fell selectively in freshly isolated rat hepatocytes and rose when the cells were treated with insulin. Considered together with recent data on hepatocytes [Foretz, M., Pacot, C., Dugal, I., et al. (1999) Mol. Cell. Biol. 19, 3760–3768], the current in vivo studies suggest that insulin may stimulate lipid synthesis in the liver by selectively inducing transcription of the SREBP-1c gene.

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Metadata

Authors
Shimomura, I., Bashmakov, Y., Ikemoto, S., Horton, J. D., Brown, M. S., & Goldstein, J. L.
Venue
Proceedings of the National Academy of Sciences
Published
1999-11-23
Volume
96
Issue
24
Pages
13656-13661
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2030610610
Cited by
793
References
2
FWCI
13.74
Type
journal article
Language
en
Open access
green

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