The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
Irs1 Serine 307 Promotes Insulin Sensitivity in Mice
Open accessAbstract
Summary Phosphorylation of the insulin receptor substrates (Irs) on serine residues—typified by Ser307 of rodent Irs1—is thought to mediate insulin resistance. To determine whether Ser307 negatively regulates Irs1 in vivo, we generated knock-in mice in which Ser307 (human Ser312) was replaced with alanine (A/A). Unexpectedly, A/A mice that were fed a high fat diet developed more severe insulin resistance than control mice, accompanied by enhanced pancreatic compensation and impaired muscle insulin signaling. Chow-fed mice whose livers lacked Irs2, but retained a single knock-in allele (A/lox::LKO2) were profoundly insulin resistant (versus +/lox::LKO2 mice), and their hepatocytes showed impaired insulin signaling ex vivo. Similarly, mutant A307 Irs1 adenovirus only partially restored the response to injected insulin in mice lacking hepatic Irs1 and Irs2. Thus, contrary to the results of cell-based experiments, Ser307 in mice is a positive regulatory site that moderates the severity of insulin resistance by maintaining proximal insulin signaling.
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Cites
A central role for JNK in obesity and insulin resistance
Hirosumi, J., Tuncman, G., Chang, L., Görgün, C. Z., Uysal, K. T., Maeda, K., Karin, M., & Hotamisligil, G. S. (2002) · Nature · doi:10.1038/nature01137 · Cited by 3,359
Absence of S6K1 protects against age- and diet-induced obesity while enhancing insulin sensitivity
Um, S. H., Frigerio, F., Watanabe, M., Picard, F., Joaquin, M., Sticker, M., Fumagalli, S., Allegrini, P. R., Kozma, S. C., Auwerx, J., et al. (2004) · Nature · doi:10.1038/nature02866 · Cited by 1,677
Yu, C., Chen, Y., Cline, G. W., Zhang, D., Zong, H., Wang, Y., Bergeron, R., Kim, J. K., Cushman, S. W., Cooney, G. J., et al. (2002) · Journal of Biological Chemistry · doi:10.1074/jbc.m200958200 · Cited by 1,561 · cited 3×
“In skeletal muscle of humans and rodents, infusion of triglyceride impairs insulin-stimulated glucose disposal through a mechanism involving decreased Irs1-associated PI3K activity (Kruszynska et al., 2002; Yu et al., 2002).”
Self-citationAguirre, V., Uchida, T., Yenush, L., Davis, R., & White, M. F. (2000) · Journal of Biological Chemistry · doi:10.1074/jbc.275.12.9047 · Cited by 1,487
Self-citationMorino, K. (2005) · Journal of Clinical Investigation · doi:10.1172/jci25151 · Cited by 811
PKC-θ knockout mice are protected from fat-induced insulin resistance
Kim, J. K., Fillmore, J. J., Sunshine, M. J., Albrecht, B., Higashimori, T., Kim, D.-W., Liu, Z.-X., Soos, T. J., Cline, G. W., O’Brien, W. R., et al. (2004) · Journal of Clinical Investigation · doi:10.1172/jci200422230 · Cited by 500
Dong, X. C., Copps, K. D., Guo, S., Li, Y., Kollipara, R., DePinho, R. A., & White, M. F. (2008) · Cell Metabolism · doi:10.1016/j.cmet.2008.06.006 · Cited by 463
Self-citationMorino, K., Neschen, S., Bilz, S., Sono, S., Tsirigotis, D., Reznick, R. M., Moore, I., Nagai, Y., Samuel, V., Sebastian, D., et al. (2008) · Diabetes · doi:10.2337/db06-0454 · Cited by 125
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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
Mechanisms for Insulin Resistance: Common Threads and Missing Links
Samuel, V. T., & Shulman, G. I. (2012) · Cell · doi:10.1016/j.cell.2012.02.017 · Cited by 2,294
Talbot, K., Wang, H.-Y., Kazi, H., Han, L.-Y., Bakshi, K. P., Stucky, A., Fuino, R. L., Kawaguchi, K. R., Samoyedny, A. J., Wilson, R. S., et al. (2012) · Journal of Clinical Investigation · doi:10.1172/jci59903 · Cited by 1,871
Copps, K. D., & White, M. F. (2012) · Diabetologia · doi:10.1007/s00125-012-2644-8 · Cited by 1,017
“In contrast, we used genetic knock-in to replace wild-type IRS1 in mice with a mutant form (S307A, ‘A’) lacking the ability to be phosphorylated at S307 (hS312) [171].”
MethodSelf-citationBomfim, T. R., Forny-Germano, L., Sathler, L. B., Brito-Moreira, J., Houzel, J.-C., Decker, H., Silverman, M. A., Kazi, H., Melo, H. M., McClean, P. L., et al. (2012) · Journal of Clinical Investigation · doi:10.1172/jci57256 · Cited by 832
Metadata
- Authors
- Copps, K. D., Hancer, N. J., Opare-Ado, L., Qiu, W., Walsh, C., & White, M. F.
- Venue
- Cell Metabolism
- Publisher
- Elsevier BV
- Published
- 2010-01
- Volume
- 11
- Issue
- 1
- Pages
- 84-92
- ISSN
- 1550-4131 (ISSN-L)
- OpenAlex
- W2089250607
- Cited by
- 196
- References
- 8
- FWCI
- 6.62
- Type
- journal article
- Language
- en
- Open access
- bronze
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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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