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Título: | Multi-dimensional Transcriptional Remodeling by Physiological Insulin In Vivo |
Autor: | Batista, Thiago M.; García-Martín, Rubén; Cai, Weikang; Konishi, Masahiro; O’Neill, Brian T.; Sakaguchi, Masaji; Hun Kim, Jong; Young Jung, Dae; Kim, Jason K.; Kahn, C. Ronald | Palabras clave: | Insulin action Gene expression Skeletal muscle Mitochondria Liver Diabetes Non-coding RNAs Fatty acid oxidation |
Fecha de publicación: | 19-mar-2019 | Editor: | Cell Press | Citación: | Cell Reports 26(12): 3429-3443.e3 (2019) | Resumen: | Regulation of gene expression is an important aspect of insulin action but in vivo is intertwined with changing levels of glucose and counter-regulatory hormones. Here we demonstrate that under euglycemic clamp conditions, physiological levels of insulin regulate interrelated networks of more than 1,000 transcripts in muscle and liver. These include expected pathways related to glucose and lipid utilization, mitochondrial function, and autophagy, as well as unexpected pathways, such as chromatin remodeling, mRNA splicing, and Notch signaling. These acutely regulated pathways extend beyond those dysregulated in mice with chronic insulin deficiency or insulin resistance and involve a broad network of transcription factors. More than 150 non-coding RNAs were regulated by insulin, many of which also responded to fasting and refeeding. Pathway analysis and RNAi knockdown revealed a role for lncRNA Gm15441 in regulating fatty acid oxidation in hepatocytes. Altogether, these changes in coding and non-coding RNAs provide an integrated transcriptional network underlying the complexity of insulin action. | Versión del editor: | https://doi.org/10.1016/j.celrep.2019.02.081 | URI: | http://hdl.handle.net/10261/346575 | DOI: | 10.1016/j.celrep.2019.02.081 | ISSN: | 2211-1247 |
Aparece en las colecciones: | (CNB) Artículos |
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Multi-dimensional_Batista_Art_2019.pdf | 6,35 MB | Adobe PDF | Visualizar/Abrir |
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