Understanding the links among neuromedin U gene, beta2-adrenoceptor gene and bone health: an observational study in European children.
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 n...
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oai:doaj.org-article:54388db5fc9b45f29c166203036b10772021-11-18T09:01:38ZUnderstanding the links among neuromedin U gene, beta2-adrenoceptor gene and bone health: an observational study in European children.1932-620310.1371/journal.pone.0070632https://doaj.org/article/54388db5fc9b45f29c166203036b10772013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23936460/?tool=EBIhttps://doaj.org/toc/1932-6203Neuromedin 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.Francesco GianfagnaDaniela CuginoWolfgang AhrensMark E S BaileyKarin BammannDiana HerrmannAnna C KoniYiannis KouridesStaffan MarildDénes MolnárLuis A MorenoYannis P PitsiladisPaola RussoAlfonso SianiSabina SieriIsabelle SioenToomas VeidebaumLicia IacovielloIDEFICS consortiumPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 8, p e70632 (2013) |
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Medicine R Science Q Francesco Gianfagna Daniela Cugino Wolfgang Ahrens Mark E S Bailey Karin Bammann Diana Herrmann Anna C Koni Yiannis Kourides Staffan Marild Dénes Molnár Luis A Moreno Yannis P Pitsiladis Paola Russo Alfonso Siani Sabina Sieri Isabelle Sioen Toomas Veidebaum Licia Iacoviello IDEFICS consortium Understanding the links among neuromedin U gene, beta2-adrenoceptor gene and bone health: an observational study in European children. |
| description |
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. |
| format |
article |
| author |
Francesco Gianfagna Daniela Cugino Wolfgang Ahrens Mark E S Bailey Karin Bammann Diana Herrmann Anna C Koni Yiannis Kourides Staffan Marild Dénes Molnár Luis A Moreno Yannis P Pitsiladis Paola Russo Alfonso Siani Sabina Sieri Isabelle Sioen Toomas Veidebaum Licia Iacoviello IDEFICS consortium |
| author_facet |
Francesco Gianfagna Daniela Cugino Wolfgang Ahrens Mark E S Bailey Karin Bammann Diana Herrmann Anna C Koni Yiannis Kourides Staffan Marild Dénes Molnár Luis A Moreno Yannis P Pitsiladis Paola Russo Alfonso Siani Sabina Sieri Isabelle Sioen Toomas Veidebaum Licia Iacoviello IDEFICS consortium |
| author_sort |
Francesco Gianfagna |
| title |
Understanding the links among neuromedin U gene, beta2-adrenoceptor gene and bone health: an observational study in European children. |
| title_short |
Understanding the links among neuromedin U gene, beta2-adrenoceptor gene and bone health: an observational study in European children. |
| title_full |
Understanding the links among neuromedin U gene, beta2-adrenoceptor gene and bone health: an observational study in European children. |
| title_fullStr |
Understanding the links among neuromedin U gene, beta2-adrenoceptor gene and bone health: an observational study in European children. |
| title_full_unstemmed |
Understanding the links among neuromedin U gene, beta2-adrenoceptor gene and bone health: an observational study in European children. |
| title_sort |
understanding the links among neuromedin u gene, beta2-adrenoceptor gene and bone health: an observational study in european children. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2013 |
| url |
https://doaj.org/article/54388db5fc9b45f29c166203036b1077 |
| work_keys_str_mv |
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