The DOI matches its Crossref record; 59 of the 59 references it cites were found in a registry or an index.
Metabolic stress–induced activation of FoxO1 triggers diabetic cardiomyopathy in mice
Open accessAbstract
The leading cause of death in diabetic patients is cardiovascular disease; diabetic cardiomyopathy is typified by alterations in cardiac morphology and function, independent of hypertension or coronary disease. However, the molecular mechanism that links diabetes to cardiomyopathy is incompletely understood. Insulin resistance is a hallmark feature of diabetes, and the FoxO family of transcription factors, which regulate cell size, viability, and metabolism, are established targets of insulin and growth factor signaling. Here, we set out to evaluate a possible role of FoxO proteins in diabetic cardiomyopathy. We found that FoxO proteins were persistently activated in cardiac tissue in mice with diabetes induced either genetically or by high-fat diet (HFD). FoxO activity was critically linked with development of cardiomyopathy: cardiomyocyte-specific deletion of FoxO1 rescued HFD-induced declines in cardiac function and preserved cardiomyocyte insulin responsiveness. FoxO1-depleted cells displayed a shift in their metabolic substrate usage, from free fatty acids to glucose, associated with decreased accumulation of lipids in the heart. Furthermore, we found that FoxO1-dependent downregulation of IRS1 resulted in blunted Akt signaling and insulin resistance. Together, these data suggest that activation of FoxO1 is an important mediator of diabetic cardiomyopathy and is a promising therapeutic target for the disease.
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Cites
Biochemistry and molecular cell biology of diabetic complications
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Cited by
Molecular mechanisms of diabetic cardiomyopathy
Bugger, H., & Abel, E. D. (2014) · Diabetologia · doi:10.1007/s00125-014-3171-6 · Cited by 903
Guo, S. (2014) · Journal of Endocrinology · doi:10.1530/joe-13-0327 · Cited by 623
Implications of Underlying Mechanisms for the Recognition and Management of Diabetic Cardiomyopathy
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Noyan-Ashraf, M. H., Shikatani, E. A., Schuiki, I., Mukovozov, I., Wu, J., Li, R.-K., Volchuk, A., Robinson, L. A., Billia, F., Drucker, D. J., et al. (2013) · Circulation · doi:10.1161/circulationaha.112.091215 · Cited by 259
Metadata
- Authors
- Battiprolu, P. K., Hojayev, B., Jiang, N., Wang, Z. V., Luo, X., Iglewski, M., Shelton, J. M., Gerard, R. D., Rothermel, B. A., Gillette, T. G., Lavandero, S., & Hill, J. A.
- Venue
- Journal of Clinical Investigation
- Published
- 2012-03-01
- Volume
- 122
- Issue
- 3
- Pages
- 1109-1118
- ISSN
- 0021-9738 (ISSN-L)
- OpenAlex
- W1982380248
- Cited by
- 345
- References
- 59
- FWCI
- 8.60
- Type
- journal article
- Language
- en
- Open access
- green
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- Battiprolu, P. K., Hojayev, B., Jiang, N., Wang, Z. V., Luo, X., Iglewski, M., Shelton, J. M., Gerard, R. D., Rothermel, B. A., Gillette, T. G., Lavandero, S., & Hill, J. A. (2012). Metabolic stress–induced activation of FoxO1 triggers diabetic cardiomyopathy in mice. Journal of Clinical Investigation. https://doi.org/10.1172/jci60329
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