The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Targeting Foxo1 in Mice Using Antisense Oligonucleotide Improves Hepatic and Peripheral Insulin Action
Abstract
Fasting hyperglycemia, a prominent finding in diabetes, is primarily due to increased gluconeogenesis. The transcription factor Foxo1 links insulin signaling to decreased transcription of PEPCK and glucose-6-phosphatase (G6Pase) and provides a possible therapeutic target in insulin-resistant states. Synthetic, optimized antisense oligonucleotides (ASOs) specifically inhibit Foxo1 expression. Here we show the effect of such therapy on insulin resistance in mice with diet-induced obesity (DIO). Reducing Foxo1 mRNA expression with ASO therapy in mouse hepatocytes decreased levels of Foxo1 protein and mRNA expression of PEPCK by 48 ± 4% and G6Pase by 64 ± 3%. In mice with DIO and insulin resistance, Foxo1 ASO therapy lowered plasma glucose concentration and the rate of basal endogenous glucose production. In addition, Foxo1 ASO therapy lowered both hepatic triglyceride and diacylglycerol content and improved hepatic insulin sensitivity. Foxo1 ASO also improved adipocyte insulin action. At a tissue-specific level, this manifested as improved insulin-mediated 2-deoxyglucose uptake and suppression of lipolysis. On a whole-body level, the result was improved glucose tolerance after an intraperitoneal glucose load and increased insulin-stimulated whole-body glucose disposal during a hyperinsulinemic-euglycemic clamp. In conclusion, Foxo1 ASO therapy improved both hepatic insulin and peripheral insulin action. Foxo1 is a potential therapeutic target for improving insulin resistance.
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Cites
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Self-citationInsulin-regulated hepatic gluconeogenesis through FOXO1–PGC-1α interaction
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Cited by
Mechanisms of Insulin Action and Insulin Resistance
Petersen, M. C., & Shulman, G. I. (2018) · Physiological Reviews · doi:10.1152/physrev.00063.2017 · Cited by 3,028
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Metadata
- Authors
- Samuel, V. T., Choi, C. S., Phillips, T. G., Romanelli, A. J., Geisler, J. G., Bhanot, S., McKay, R., Monia, B., Shutter, J. R., Lindberg, R. A., Shulman, G. I., & Veniant, M. M.
- Venue
- Diabetes
- Publisher
- American Diabetes Association
- Published
- 2006-07-01
- Volume
- 55
- Issue
- 7
- Pages
- 2042-2050
- ISSN
- 0012-1797 (ISSN-L)
- 1939-327X
- OpenAlex
- W2103101787
- Cited by
- 177
- References
- 9
- FWCI
- 5.28
- Type
- journal article
- Language
- en
- Open access
- closed
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- Samuel, V. T., Choi, C. S., Phillips, T. G., Romanelli, A. J., Geisler, J. G., Bhanot, S., McKay, R., Monia, B., Shutter, J. R., Lindberg, R. A., Shulman, G. I., & Veniant, M. M. (2006). Targeting Foxo1 in Mice Using Antisense Oligonucleotide Improves Hepatic and Peripheral Insulin Action. Diabetes. https://doi.org/10.2337/db05-0705
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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