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<p>Obesity, characterized by excessive body fat accumulation, is a growing global health concern with significant implications for both metabolic and skeletal health. The increasing prevalence of obesity, particularly among children, adolescents, and postmenopausal women, is associated with various bone-related disorders. Obesity and non-alcoholic fatty liver disease (NAFLD) collectively influence bone metabolism through systemic factors such as chronic inflammation, insulin resistance, dyslipidemia, and alterations in adipose tissue function. Key mediators, including adipokines like leptin and adiponectin, along with pro-inflammatory cytokines, play crucial roles in modulating bone formation and resorption, thereby contributing to conditions such as osteopenia and osteoporosis. Moreover, the interplay between obesity, NAFLD, and bone health involves complex mechanisms, including gut microbiota dysbiosis and impaired vitamin D metabolism. Understanding these multifaceted interactions is essential for developing targeted interventions to prevent or mitigate the adverse effects of obesity and NAFLD on bone health. This review explores the molecular pathways, metabolic interactions, and associated pathologies linking obesity and NAFLD to bone health.</p>

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The impact of obesity on bone health: molecular pathways, metabolic interactions, and associated pathologies

  • 期刊论文

  • 发表日期：

    2025年9月19日

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  • Abolfazl Bagherifard,
  • Ahmad Hemmatyar,
  • Karo Khosravi,
  • Ali Rouzbahani,
  • Khatere Mokhtari,
  • Hooman Yahyazedeh,
  • Hamid Tanzadehpanah

摘要

Obesity, characterized by excessive body fat accumulation, is a growing global health concern with significant implications for both metabolic and skeletal health. The increasing prevalence of obesity, particularly among children, adolescents, and postmenopausal women, is associated with various bone-related disorders. Obesity and non-alcoholic fatty liver disease (NAFLD) collectively influence bone metabolism through systemic factors such as chronic inflammation, insulin resistance, dyslipidemia, and alterations in adipose tissue function. Key mediators, including adipokines like leptin and adiponectin, along with pro-inflammatory cytokines, play crucial roles in modulating bone formation and resorption, thereby contributing to conditions such as osteopenia and osteoporosis. Moreover, the interplay between obesity, NAFLD, and bone health involves complex mechanisms, including gut microbiota dysbiosis and impaired vitamin D metabolism. Understanding these multifaceted interactions is essential for developing targeted interventions to prevent or mitigate the adverse effects of obesity and NAFLD on bone health. This review explores the molecular pathways, metabolic interactions, and associated pathologies linking obesity and NAFLD to bone health.