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Understanding the L...
Understanding the Links among neuromedin U Gene, beta2-adrenoceptor Gene and Bone Health: An Observational Study in European Children.
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Gianfagna, Francesco (author)
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Cugino, Daniela (author)
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Ahrens, Wolfgang (author)
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Bailey, Mark E S (author)
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Bammann, Karin (author)
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Herrmann, Diana (author)
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Koni, Anna C (author)
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Kourides, Yiannis (author)
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- Mårild, Staffan, 1945 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för pediatrik,Institute of Clinical Sciences, Department of Pediatrics
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Molnár, Dénes (author)
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Moreno, Luis A (author)
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Pitsiladis, Yannis P (author)
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Russo, Paola (author)
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Siani, Alfonso (author)
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Sieri, Sabina (author)
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Sioen, Isabelle (author)
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Veidebaum, Toomas (author)
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Iacoviello, Licia (author)
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(creator_code:org_t)
- 2013-08-01
- 2013
- English.
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In: PloS one. - : Public Library of Science (PLoS). - 1932-6203. ; 8:8
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
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- Neuromedin U, encoded by the NMU gene, is a hypothalamic neuropeptide that regulates both energy metabolism and bone mass. The beta-2 adrenergic receptor, encoded by the ADRB2 gene, mediates several effects of catecholamine hormones and neurotransmitters in bone. We investigated whether NMU single nucleotide polymorphisms (SNPs) and haplotypes, as well as functional ADRB2 SNPs, are associated with bone stiffness in children from the IDEFICS cohort, also evaluating whether NMU and ADRB2 interact to affect this trait. A sample of 2,274 subjects (52.5% boys, age 6.2±1.8 years) from eight European countries, having data on calcaneus bone stiffness index (SI, mean of both feet) and genotyping (NMU gene: rs6827359, rs12500837, rs9999653; ADRB2 gene: rs1042713, rs1042714), was studied. After false discovery rate adjustment, SI was significantly associated with all NMU SNPs. rs6827359 CC homozygotes showed the strongest association (recessive model, Δ=-1.8, p=0.006). Among the five retrieved haplotypes with frequencies higher than 1% (range 2.0-43.9%), the CCT haplotype (frequency=39.7%) was associated with lower SI values (dominant model, Δ=-1.0, p=0.04) as compared to the most prevalent haplotype. A non-significant decrease in SI was observed in in ADRB2 rs1042713 GG homozygotes, while subjects carrying SI-lowering genotypes at both SNPs (frequency=8.4%) showed much lower SI than non-carriers (Δ=-3.9, p<0.0001; p for interaction=0.025). The association was more evident in preschool girls, in whom SI showed a curvilinear trend across ages. In subgroup analyses, rs9999653 CC NMU or both GG ADRB2 genotypes were associated with either lower serum calcium or β-CrossLaps levels (p=0.01). This study in European children shows, for the first time in humans, a role for NMU gene through interaction with ADRB2 gene in bone strength regulation, more evident in preschool girls.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Pediatrik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Pediatrics (hsv//eng)
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- art (subject category)
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PloS one
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- By the author/editor
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Gianfagna, Franc ...
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Cugino, Daniela
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Ahrens, Wolfgang
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Bailey, Mark E S
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Bammann, Karin
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Herrmann, Diana
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show more...
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Koni, Anna C
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Kourides, Yianni ...
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Mårild, Staffan, ...
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Molnár, Dénes
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Moreno, Luis A
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Pitsiladis, Yann ...
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Russo, Paola
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Siani, Alfonso
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Sieri, Sabina
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Sioen, Isabelle
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Veidebaum, Tooma ...
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Iacoviello, Lici ...
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Pediatrics
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PloS one
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University of Gothenburg