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Metformin increases...
Metformin increases AMP-activated-protein-kinase activity in skeletal of subjects with type 2 diabetes
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- Musi, N. (författare)
- Joslin Diabetes Center, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
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- Hirschman, M. F. (författare)
- Joslin Diabetes Center, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
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- Nygren, J. (författare)
- Karolinska Institutet
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- Svanfeldt, M. (författare)
- Karolinska Institutet
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- Båvenholm, P. (författare)
- Division of Medicine, Karolinska Hospital and Institute, Stockholm, Sweden; Department of Emergency and Cardiovascular Medicine, Karolinska Hospital and Institute, Stockholm, Sweden
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- Rooyackers, O. (författare)
- Karolinska Institutet
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- Zhou, G. (författare)
- Department of Meta Bolic Disorders, Merck Research Laboratories, Rahway, NJ, United States
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- Williamsson, J. M. (författare)
- Department of Meta Bolic Disorders, Merck Research Laboratories, Rahway, NJ, United States
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- Ljungqvist, Olle, 1954- (författare)
- Örebro universitet,Institutionen för medicinska vetenskaper,Region Örebro län,Karolinska Institute, Centre of Gastrointestinal Disease, Ersta Hospital, Stockholm, Sweden; Department of Surgery, Huddinge University Hospital, Huddinge, Sweden
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- Efendic, S. (författare)
- Division of Molecular Medicine, Karolinska Hospital and Institute, Stockholm, Sweden; Department of Endocrinology, Karolinska Hospital and Institute, Stockholm, Sweden
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- Moller, D. E. (författare)
- Department of Meta Bolic Disorders, Merck Research Laboratories, Rahway, NJ, United States
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- Thorell, A. (författare)
- Karolinska Institutet
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- Goodyear, L. J. (författare)
- Joslin Diabetes Center, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States; Research Division, Joslin Diabetes Center, One Joslin Place, Boston, United States
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(creator_code:org_t)
- Alexandra, VA, USA : American Diabetes Association Inc. 2002
- 2002
- Engelska.
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Ingår i: Diabetes. - Alexandra, VA, USA : American Diabetes Association Inc.. - 0012-1797 .- 1939-327X. ; 51:7, s. 2074-2081
- Relaterad länk:
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http://diabetes.diab...
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https://urn.kb.se/re...
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https://doi.org/10.2...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- Metformin is an effective hypoglycemic drug that lowers blood glucose concentrations by decreasing hepatic glucose production and increasing glucose disposal in skeletal muscle; however, the molecular site of metformin action is not well understood. AMP-activated protein kinase (AMPK) activity increases in response to depletion of cellular energy stores, and this enzyme has been implicated in the stimulation of glucose uptake into skeletal muscle and the inhibition of liver gluconeogenesis. We recently reported that AMPK is activated by metformin in cultured rat hepatocytes, mediating the inhibitory effects of the drug on hepatic glucose production. In the present study, we evaluated whether therapeutic doses of metformin increase AMPK activity in vivo in subjects with type 2 diabetes. Metformin treatment for 10 weeks significantly increased AMPK α2 activity in the skeletal muscle, and this was associated with increased phosphorylation of AMPK on Thr172 and decreased acetyl-CoA carboxylase-2 activity. The increase in AMPK α2 activity was likely due to a change in muscle energy status because ATP and phosphocreatine concentrations were lower after metformin treatment. Metformin-induced increases in AMPK activity were associated with higher rates of glucose disposal and muscle glycogen concentrations. These findings suggest that the metabolic effects of metformin in subjects with type 2 diabetes may be mediated by the activation of AMPK α2.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
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Diabetes
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Musi, N.
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Hirschman, M. F.
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Nygren, J.
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Svanfeldt, M.
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Båvenholm, P.
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Rooyackers, O.
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visa fler...
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Zhou, G.
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Williamsson, J. ...
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Ljungqvist, Olle ...
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Efendic, S.
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Moller, D. E.
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Thorell, A.
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Goodyear, L. J.
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Örebro universitet
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