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Zhu, H.* ; Shyh-Chang, N.* ; Segrè, A.V.* ; Shinoda, G.* ; Shah, S.P.* ; Einhorn, W.S.* ; Takeuchi, A.* ; Engreitz, J.M.* ; Hagan, J.P.* ; Kharas, M.G.* ; Urbach, A.* ; Thornton, J.E.* ; Triboulet, R.* ; Gregory, R.I* ; DIAGRAM Consortium (Huth, C. ; Grallert, H. ; Gieger, C. ; Klopp, N. ; Meitinger, T. ; Petersen, A.-K. ; Thorand, B. ; Wichmann, H.-E. ; Illig, T.) ; MAGIC Investigators (Grallert, H. ; Gieger, C. ; Meisinger, C. ; Thorand, B. ; Wichmann, H.-E. ; Illig, T.) ; Altshuler, D.* ; Daley, G.Q.*

The Lin28/let-7 axis regulates glucose metabolism.

Cell 147, 81-94 (2011)
Verlagsversion DOI PMC
Closed
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
The let-7 tumor suppressor microRNAs are known for their regulation of oncogenes, while the RNA-binding proteins Lin28a/b promote malignancy by inhibiting let-7 biogenesis. We have uncovered unexpected roles for the Lin28/let-7 pathway in regulating metabolism. When overexpressed in mice, both Lin28a and LIN28B promote an insulin-sensitized state that resists high-fat-diet induced diabetes. Conversely, muscle-specific loss of Lin28a or overexpression of let-7 results in insulin resistance and impaired glucose tolerance. These phenomena occur, in part, through the let-7-mediated repression of multiple components of the insulin-PI3K-mTOR pathway, including IGF1R, INSR, and IRS2. In addition, the mTOR inhibitor, rapamycin, abrogates Lin28a-mediated insulin sensitivity and enhanced glucose uptake. Moreover, let-7 targets are enriched for genes containing SNPs associated with type 2 diabetes and control of fasting glucose in human genome-wide association studies. These data establish the Lin28/let-7 pathway as a central regulator of mammalian glucose metabolism.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Let-7 microrna family; Human hepatocellular-carcinoma; Caenorhabditis-elegans; Promotes transformation; Insulin-resistance; Tansgenic mice; Messenger- RNA; Stem-cells; LIN-28; LIN28
Sprache englisch
Veröffentlichungsjahr 2011
HGF-Berichtsjahr 2011
ISSN (print) / ISBN 0092-8674
e-ISSN 1097-4172
Zeitschrift Cell
Quellenangaben Band: 147, Heft: 1, Seiten: 81-94 Artikelnummer: , Supplement: ,
Verlag Cell Press
Verlagsort Cambridge, Mass.
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Molecular Epidemiology (AME)
Institute of Epidemiology (EPI)
Institute of Genetic Epidemiology (IGE)
Institute of Human Genetics (IHG)
POF Topic(s) 30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
30202 - Environmental Health
30503 - Chronic Diseases of the Lung and Allergies
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-504200-002
G-504000-002
G-504100-001
G-503900-001
G-500700-001
PubMed ID 21962509
DOI 10.1016/j.cell.2011.08.033
Erfassungsdatum 2011-12-07
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