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Anti-diabetic drugs inhibit obesity-linked phosphorylation of PPARγ by Cdk5
Open accessAbstract
Obesity induced in mice by high-fat feeding activates the protein kinase Cdk5 (cyclin-dependent kinase 5) in adipose tissues. This results in phosphorylation of the nuclear receptor PPARγ (peroxisome proliferator-activated receptor γ), a dominant regulator of adipogenesis and fat cell gene expression, at serine 273. This modification of PPARγ does not alter its adipogenic capacity, but leads to dysregulation of a large number of genes whose expression is altered in obesity, including a reduction in the expression of the insulin-sensitizing adipokine, adiponectin. The phosphorylation of PPARγ by Cdk5 is blocked by anti-diabetic PPARγ ligands, such as rosiglitazone and MRL24. This inhibition works both in vivo and in vitro, and is completely independent of classical receptor transcriptional agonism. Similarly, inhibition of PPARγ phosphorylation in obese patients by rosiglitazone is very tightly associated with the anti-diabetic effects of this drug. All these findings strongly suggest that Cdk5-mediated phosphorylation of PPARγ may be involved in the pathogenesis of insulin-resistance, and present an opportunity for development of an improved generation of anti-diabetic drugs through PPARγ.
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Overweight, obesity, and mortality from cancer in a prospectively studied cohort of U.S. Adults
Calle, E. E., Rodriguez, C., Walker-Thurmond, K., & Thun, M. J. (2003) · New England Journal of Medicine · doi:10.1056/nejmoa021423 · Cited by 7,696
Model-based analysis of oligonucleotide arrays: Expression index computation and outlier detection.
Li, C., & Wong, W. H. (2001) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.98.1.31 · Cited by 3,133
The adipocyte-secreted protein Acrp30 enhances hepatic insulin action
Berg, A. H., Combs, T. P., Du, X., Brownlee, M., & Scherer, P. E. (2001) · Nature Medicine · doi:10.1038/90992 · Cited by 2,526
Leesnitzer, L. M., Parks, D. J., Bledsoe, R. K., Cobb, J. E., Collins, J. L., Consler, T. G., Davis, R. G., Hull-Ryde, E. A., Lenhard, J. M., Patel, L., et al. (2002) · Biochemistry · doi:10.1021/bi0159581 · Cited by 566
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Rosen, E. D., & Spiegelman, B. M. (2014) · Cell · doi:10.1016/j.cell.2013.12.012 · Cited by 2,373
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Harms, M., & Seale, P. (2013) · Nature Medicine · doi:10.1038/nm.3361 · Cited by 2,328
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Ahmadian, M., Suh, J. M., Hah, N., Liddle, C., Atkins, A. R., Downes, M., & Evans, R. M. (2013) · Nature Medicine · doi:10.1038/nm.3159 · Cited by 2,016
Insulin action and resistance in obesity and type 2 diabetes
Czech, M. P. (2017) · Nature Medicine · doi:10.1038/nm.4350 · Cited by 1,258
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Tabas, I., & Glass, C. K. (2013) · Science · doi:10.1126/science.1230720 · Cited by 1,093
Metadata
- Authors
- Choi, J. H., Banks, A. S., Estall, J. L., Kajimura, S., Boström, P., Laznik, D., Ruas, J. L., Chalmers, M. J., Kamenecka, T. M., Blüher, M., Griffin, P. R., & Spiegelman, B. M.
- Venue
- Nature
- Published
- 2010-07
- Volume
- 466
- Issue
- 7305
- Pages
- 451-456
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W2135009079
- Cited by
- 875
- References
- 4
- FWCI
- 29.54
- Type
- journal article
- Language
- en
- Open access
- green
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- Choi, J. H., Banks, A. S., Estall, J. L., Kajimura, S., Boström, P., Laznik, D., Ruas, J. L., Chalmers, M. J., Kamenecka, T. M., Blüher, M., Griffin, P. R., & Spiegelman, B. M. (2010). Anti-diabetic drugs inhibit obesity-linked phosphorylation of PPARγ by Cdk5. Nature. https://doi.org/10.1038/nature09291
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
