Metabolomic patterns, redox-related genes and metals, and bone fragility endpoints in the Hortega Study

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Autores de INCLIVA

Participantes ajenos a INCLIVA

  • Galvez-Fernandez, Marta
  • Rodriguez-Hernandez, Zulema
  • Amigo, Nuria
  • Garcia-Barrera, Tamara
  • Gomez-Ariza, Jose L
  • Briongos-Figuero, Laisa S
  • Perez-Castrillon, Jose L
  • Tellez-Plaza, Maria
  • Martin-Escudero, Juan C

Grupos y Plataformas de I+D+i

Abstract

Background: The potential joint influence of metabolites on bone fragility has been rarely evaluated. We assessed the association of plasma metabolic patterns with bone fragility endpoints (primarily, incident osteoporosisrelated bone fractures, and, secondarily, bone mineral density BMD) in the Hortega Study participants. Redox balance plays a key role in bone metabolism. We also assessed differential associations in participant subgroups by redox-related metal exposure levels and candidate genetic variants. Material and methods: In 467 participants older than 50 years from the Hortega Study, a representative sample from a region in Spain, we estimated metabolic principal components (mPC) for 54 plasma metabolites from NMR-spectrometry. Metals biomarkers were measured in plasma by AAS and in urine by HPLC-ICPMS. Redoxrelated SNPs (N = 341) were measured by oligo-ligation assay. Results: The prospective association with incident bone fractures was inverse for mPC1 (non-essential and essential amino acids, including branched-chain, and bacterial co-metabolites, including isobutyrate, trimethylamines and phenylpropionate, versus fatty acids and VLDL) and mPC4 (HDL), but positive for mPC2 (essential amino acids, including aromatic, and bacterial co-metabolites, including isopropanol and methanol). Findings from BMD models were consistent. Participants with decreased selenium and increased antimony, arsenic and, suggestively, cadmium exposures showed higher mPC2-associated bone fractures risk. Genetic variants annotated to 19 genes, with the strongest evidence for NCF4, NOX4 and XDH, showed differential metabolic-related bone fractures risk. Conclusions: Metabolic patterns reflecting amino acids, microbiota co-metabolism and lipid metabolism were associated with bone fragility endpoints. Carriers of redox-related variants may benefit from metabolic interventions to prevent the consequences of bone fragility depending on their antimony, arsenic, selenium, and, possibly, cadmium, exposure levels.

Datos de la publicación

ISSN/ISSNe:
0891-5849, 1873-4596

FREE RADICAL BIOLOGY AND MEDICINE  ELSEVIER SCIENCE INC

Tipo:
Article
Páginas:
52-61
PubMed:
36370960

Citas Recibidas en Web of Science: 4

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Keywords

  • Metabolomics; Bone mineral density; Osteoporosis -related bone fractures; Candidate genes; Metals; Redox

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