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A paired-sibling an...
A paired-sibling analysis of the XbaI polymorphism in the muscle glycogen synthase gene
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- Orho-Melander, Marju (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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- Almgren, Peter (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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Kanninen, T (författare)
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Forsblom, C (författare)
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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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(creator_code:org_t)
- Springer Science and Business Media LLC, 1999
- 1999
- Engelska.
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Ingår i: Diabetologia. - : Springer Science and Business Media LLC. - 1432-0428 .- 0012-186X. ; 42:9, s. 1138-1145
- Relaterad länk:
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http://dx.doi.org/10...
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https://link.springe...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- AIMS/HYPOTHESIS: We have previously shown an association between a XbaI polymorphism in the muscle glycogen synthase gene (GYS1) and both Type II (non-insulin-dependent) diabetes mellitus and hypertension. Association studies are, however, hampered by the selection of the control group. To circumvent these problems we addressed the same question using a novel genotype discordant paired-sibling approach. METHODS: We identified 122 sex-matched sib-pairs discordant for the Xba1 polymorphism among a new set of 743 Finnish subjects from 227 families with Type II diabetes and paired analyses were done by McNemar test of symmetry and by permutation tests. RESULTS: Paired analysis showed that siblings with the A2 variant had more hypertension (p = 0.0067), obesity (p = 0.033) and microalbuminuria (p = 0.031) but not significantly more Type II diabetes (p = 0.27) than siblings with the A1 variant. Siblings with the A2 variant were more often treated by insulin (p = 0.050) or anti-hypertensive medication (p = 0.0060) or both. Diabetic A2 variant carriers had higher triglyceride (p = 0.023) and lower HDL cholesterol (p = 0.0059) concentrations and an earlier age at onset of diabetes (p = 0.022) than diabetic siblings with the A1 variant. In non-diabetic sib-pairs the presence of the A2 variant was associated with higher diastolic (p = 0.0014) blood pressure. Finally, the allele frequency of the XbaI polymorphism differed between 216 randomly chosen unrelated Type II diabetic patients and 115 unrelated healthy control spouses without a family history of Type II diabetes (12.7 vs. 6.5 %, p = 0.013). CONCLUSION/INTERPRETATION: The A2 allele of the XbaI polymorphism in the GYS1 confers an increased susceptibility to different features of the metabolic syndrome and Type II diabetes.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
Nyckelord
- Muscle glycogen synthase gene
- GYS1
- paired-sibling analysis
- Type II diabetes
- hypertension
- metabolic syndrome
- chromosome 19
- candidate gene
- myocardial infarction
- microalbuminuria
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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