Whole-body bone mineral density and markers of bone homeostasis in adults with normal-weight obesity

BACKGROUND: Normal-weight obesity (NWO) describes individuals with a normal body mass index (BMI), but high body fat percent. NWO are at-risk for cardiometabolic diseases, but little is known about their bone health. METHODS: Adults (N = 24) were classified as NWO (n = 12; 5M/7F) or low body fat per...

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Detalles Bibliográficos
Autores principales: Keirns, Bryant H., Sciarrillo, Christina M., Medlin, Austin R., Hart, Samantha M., Cronic, Elyse M., Emerson, Sam R.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2023
Materias:
Brief Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10662088/
https://www.ncbi.nlm.nih.gov/pubmed/37990680
http://dx.doi.org/10.1016/j.obpill.2023.100073
Descripción
Sumario:BACKGROUND: Normal-weight obesity (NWO) describes individuals with a normal body mass index (BMI), but high body fat percent. NWO are at-risk for cardiometabolic diseases, but little is known about their bone health. METHODS: Adults (N = 24) were classified as NWO (n = 12; 5M/7F) or low body fat percent controls (Con; n = 12; 6M/6F). Body composition and whole-body bone mineral density (BMD) were assessed using DXA. A serum bioplex assay was performed to examine markers related to bone formation and resorption. RESULTS: In addition to higher body fat percent and visceral fat, NWO had lower whole-body BMD relative to Con (p's < 0.05). Circulating leptin was higher in NWO than Con (p < 0.05). Two biomarkers generally associated with lower bone mass – sclerostin and parathyroid hormone – were higher in NWO compared to Con (p's < 0.05). CONCLUSION: In this preliminary study, adults with NWO displayed lower whole-body BMD alongside evidence of bone resorption. Impaired bone health may be another subclinical risk factor present in NWO.

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