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    Tumour-derived PTH-related protein triggers adipose tissue browning and cancer cachexia (2014)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2014-07-22
    Description: Cachexia is a wasting disorder of adipose and skeletal muscle tissues that leads to profound weight loss and frailty. About half of all cancer patients suffer from cachexia, which impairs quality of life, limits cancer therapy and decreases survival. One key characteristic of cachexia is higher resting energy expenditure levels than in healthy individuals, which has been linked to greater thermogenesis by brown fat. How tumours induce brown fat activity is unknown. Here, using a Lewis lung carcinoma model of cancer cachexia, we show that tumour-derived parathyroid-hormone-related protein (PTHrP) has an important role in wasting, through driving the expression of genes involved in thermogenesis in adipose tissues. Neutralization of PTHrP in tumour-bearing mice blocked adipose tissue browning and the loss of muscle mass and strength. Our results demonstrate that PTHrP mediates energy wasting in fat tissues and contributes to the broader aspects of cancer cachexia. Thus, neutralization of PTHrP might hold promise for ameliorating cancer cachexia and improving patient survival.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4224962/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4224962/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kir, Serkan -- White, James P -- Kleiner, Sandra -- Kazak, Lawrence -- Cohen, Paul -- Baracos, Vickie E -- Spiegelman, Bruce M -- DK31405/DK/NIDDK NIH HHS/ -- R37 DK031405/DK/NIDDK NIH HHS/ -- England -- Nature. 2014 Sep 4;513(7516):100-4. doi: 10.1038/nature13528. Epub 2014 Jul 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02215, USA. ; Department of Oncology, Division of Palliative Care Medicine, University of Alberta, Edmonton T6G 1Z2, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25043053" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue, Brown/cytology/drug effects/*metabolism/pathology ; Animals ; Cachexia/*metabolism/pathology ; Carcinoma, Lewis Lung/genetics/*metabolism/*pathology ; Culture Media, Conditioned/pharmacology ; Energy Metabolism/drug effects ; Gene Expression Regulation, Neoplastic/drug effects ; Humans ; Male ; Mice ; Muscle, Skeletal/metabolism/pathology ; Organ Size/drug effects ; Parathyroid Hormone-Related Protein/antagonists & inhibitors/*metabolism ; Thermogenesis/drug effects/genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    FGF19 as a postprandial, insulin-independent activator of hepatic protein and glycogen synthesis (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-03-26
    Description: Fibroblast growth factor (FGF) 19 is an enterokine synthesized and released when bile acids are taken up into the ileum. We show that FGF19 stimulates hepatic protein and glycogen synthesis but does not induce lipogenesis. The effects of FGF19 are independent of the activity of either insulin or the protein kinase Akt and, instead, are mediated through a mitogen-activated protein kinase signaling pathway that activates components of the protein translation machinery and stimulates glycogen synthase activity. Mice lacking FGF15 (the mouse FGF19 ortholog) fail to properly maintain blood concentrations of glucose and normal postprandial amounts of liver glycogen. FGF19 treatment restored the loss of glycogen in diabetic animals lacking insulin. Thus, FGF19 activates a physiologically important, insulin-independent endocrine pathway that regulates hepatic protein and glycogen metabolism.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3076083/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3076083/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kir, Serkan -- Beddow, Sara A -- Samuel, Varman T -- Miller, Paul -- Previs, Stephen F -- Suino-Powell, Kelly -- Xu, H Eric -- Shulman, Gerald I -- Kliewer, Steven A -- Mangelsdorf, David J -- DK40936/DK/NIDDK NIH HHS/ -- DK62434/DK/NIDDK NIH HHS/ -- DK67158/DK/NIDDK NIH HHS/ -- R01 DK040936/DK/NIDDK NIH HHS/ -- R01 DK040936-23/DK/NIDDK NIH HHS/ -- R01 DK067158/DK/NIDDK NIH HHS/ -- R01 DK067158-09/DK/NIDDK NIH HHS/ -- R24 DK085638/DK/NIDDK NIH HHS/ -- U19 DK062434/DK/NIDDK NIH HHS/ -- U19 DK062434-10/DK/NIDDK NIH HHS/ -- U24 DK059635/DK/NIDDK NIH HHS/ -- U24 DK059635-05/DK/NIDDK NIH HHS/ -- U24 DK076169/DK/NIDDK NIH HHS/ -- U24 DK076169-05/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Mar 25;331(6024):1621-4. doi: 10.1126/science.1198363.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Texas Southwestern Medical Center, 6001 Forest Park Road, Dallas, TX 75390, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21436455" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Glucose/metabolism ; Diabetes Mellitus, Experimental/metabolism ; Eukaryotic Initiation Factors/metabolism ; Fibroblast Growth Factors/*metabolism/*pharmacology ; Glucose/metabolism ; Glycogen Synthase/metabolism ; Glycogen Synthase Kinase 3/metabolism ; Hep G2 Cells ; Humans ; Insulin/*metabolism/pharmacology ; Liver/drug effects/*metabolism ; Liver Glycogen/*biosynthesis ; MAP Kinase Signaling System ; Male ; Mice ; Mice, Inbred C57BL ; Phosphorylation ; *Protein Biosynthesis ; Proto-Oncogene Proteins c-akt/metabolism ; Ribosomal Protein S6/metabolism ; Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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