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First-degree relati...
First-degree relatives of type 2 diabetic patients have reduced expression of genes involved in fatty acid metabolism in skeletal muscle
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- Elgzyri, Targ (författare)
- Lund University,Lunds universitet,Genomik, diabetes och endokrinologi,Forskargrupper vid Lunds universitet,Genomics, Diabetes and Endocrinology,Lund University Research Groups
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- Parikh, Hemang (författare)
- Lund University,Lunds universitet,Genomik, diabetes och endokrinologi,Forskargrupper vid Lunds universitet,Genomics, Diabetes and Endocrinology,Lund University Research Groups,National Cancer Institute, NCI
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- Zhou, Yuedan (författare)
- Lund University,Lunds universitet,Genomik, diabetes och endokrinologi,Forskargrupper vid Lunds universitet,Genomics, Diabetes and Endocrinology,Lund University Research Groups
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- Dekker Nitert, Marloes (författare)
- Lund University,Lunds universitet,Genomik, diabetes och endokrinologi,Forskargrupper vid Lunds universitet,Diabetes - epigenetik,Genomics, Diabetes and Endocrinology,Lund University Research Groups,Diabetes - Epigenetics
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- Rönn, Tina (författare)
- Lund University,Lunds universitet,Genomik, diabetes och endokrinologi,Forskargrupper vid Lunds universitet,Diabetes - epigenetik,Genomics, Diabetes and Endocrinology,Lund University Research Groups,Diabetes - Epigenetics
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- Segerström, Å B (författare)
- Lund University,Lunds universitet,Människan i rörelse: hälsa och rehabilitering,Forskargrupper vid Lunds universitet,Human Movement: health and rehabilitation,Lund University Research Groups
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- Ling, Charlotte (författare)
- Lund University,Lunds universitet,Genomik, diabetes och endokrinologi,Forskargrupper vid Lunds universitet,Diabetes - epigenetik,Genomics, Diabetes and Endocrinology,Lund University Research Groups,Diabetes - Epigenetics
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- Franks, Paul W (författare)
- Lund University,Lunds universitet,Umeå universitet,Medicin,Genomik, diabetes och endokrinologi,Forskargrupper vid Lunds universitet,Genetisk och molekylär epidemiologi,Genomics, Diabetes and Endocrinology,Lund University Research Groups,Genetic and Molecular Epidemiology
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- Wollmer, Per (författare)
- Lund University,Lunds universitet,Klinisk fysiologi och nuklearmedicin, Malmö,Forskargrupper vid Lunds universitet,Clinical Physiology and Nuclear Medicine, Malmö,Lund University Research Groups
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- Eriksson, Karl-Fredrik (författare)
- Lund University,Lunds universitet,Vaskulära sjukdomar - kliniska studier,Forskargrupper vid Lunds universitet,Vascular Diseases - Clinical Research,Lund University Research Groups
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- Groop, Leif (författare)
- Lund University,Lunds universitet,Genomik, diabetes och endokrinologi,Forskargrupper vid Lunds universitet,Genomics, Diabetes and Endocrinology,Lund University Research Groups
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- Hansson, Ola (författare)
- Lund University,Lunds universitet,Genomik, diabetes och endokrinologi,Forskargrupper vid Lunds universitet,Genomics, Diabetes and Endocrinology,Lund University Research Groups
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(creator_code:org_t)
- The Endocrine Society, 2012
- 2012
- Engelska.
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Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 0021-972X .- 1945-7197. ; 97:7, s. E1332-E1337
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https://academic.oup...
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http://www.ncbi.nlm....
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- Context: First-degree relatives of patients with type 2 diabetes (FH+) have been shown to have decreased energy expenditure and decreased expression of mitochondrial genes in skeletal muscle. In previous studies, it has been difficult to distinguish whether mitochondrial dysfunction and differential regulation of genes are primary (genetic) or due to reduced physical activity, obesity, or other correlated factors.Objective: The aim of this study was to investigate whether mitochondrial dysfunction is a primary defect or results from an altered metabolic state.Design: We compared gene expression in skeletal muscle from 24 male subjects with FH and 26 without FH matched for age, glucose tolerance, VO2peak (peak oxygen uptake), and body mass index using microarrays. Additionally, type fiber composition, mitochondrial DNA content, and citrate synthase activity were measured. The results were followed up in an additional cohort with measurements of in vivo metabolism. Results: FH+ vs. FH- subjects showed reduced expression of mitochondrial genes (P = 2.75 x 10(-6)), particularly genes involved in fatty acid metabolism (P = 4.08 x 10(-7)), despite similar mitochondrial DNA content. Strikingly, a 70% reduced expression of the monoamine oxidase A(MAOA) gene was found in FH+ vs. FH- individuals (P = 0.0009). Down-regulation of the genes involved in fat metabolism was associated with decreased in vivo fat oxidation and increased glucose oxidation examined in an additional cohort of elderly men.Conclusions: These results suggest that genetically altered fatty acid metabolism predisposes to type 2 diabetes and propose a role for catecholamine-metabolizing enzymes like MAOA in the regulation of energy metabolism. (J Clin Endocrinol Metab 97: E1332-E1337, 2012)
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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- ref (ämneskategori)
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Elgzyri, Targ
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Parikh, Hemang
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Zhou, Yuedan
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Dekker Nitert, M ...
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Rönn, Tina
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Segerström, Å B
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visa fler...
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Ling, Charlotte
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Franks, Paul W
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Wollmer, Per
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Eriksson, Karl-F ...
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Groop, Leif
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Hansson, Ola
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