Metabolomic biomarker differences of sarcopenia in older patients with sepsis - Report - MDSpire

Metabolomic biomarker differences of sarcopenia in older patients with sepsis

  • By

  • Yiyang Liu

  • Tianren He

  • Siyu Chen

  • Ziyi Li

  • Xue Mei

  • Xinhua He

  • Na Shang

  • April 30, 2026

  • 0 min

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Clinical Report: Metabolomic Differences Associated with Sarcopenia in Elderly Patients Experiencing Sepsis

Overview

This study identifies distinct plasma metabolomic changes in elderly patients with sepsis and sarcopenia, highlighting 203 differential metabolites. The findings suggest an inhibitory metabolic profile in sarcopenic patients, with implications for understanding the pathophysiology of sarcopenia in sepsis.

Background

Sarcopenia is a significant concern in older adults, particularly those with sepsis, as it is linked to poor clinical outcomes. Understanding the metabolic characteristics of sarcopenia in this context is crucial for developing targeted interventions. This study employs metabolomic analysis to explore these characteristics and their potential implications for diagnosis and treatment.

Data Highlights

Metabolite ChangeCount
Upregulated71
Downregulated132

Key Findings

  • Identified 4,752 metabolites, with 203 showing significant differences between sarcopenic and non-sarcopenic patients.
  • Metabolic pathways related to muscle synthesis were downregulated, while those associated with catabolism were upregulated.
  • Key pathways affected include valine/leucine/isoleucine degradation and arachidonic acid metabolism.
  • Correlation analysis revealed an interconnected metabolic disorder network in sarcopenic patients.
  • The study provides insights into potential metabolic biomarkers for sarcopenia in elderly patients with sepsis.

Clinical Implications

The findings underscore the importance of monitoring metabolic profiles in elderly patients with sepsis to identify those at risk for sarcopenia. Early detection and intervention strategies could be developed based on the identified metabolic pathways, potentially improving patient outcomes.

Conclusion

This study highlights the unique metabolic profile associated with sarcopenia in elderly sepsis patients, providing a foundation for future research into diagnostic biomarkers and targeted therapies.

Related Resources & Content

  1. The Journal of Clinical Endocrinology & Metabolism, 2025 -- Elevated Circulating Resistin Levels Associated with Increased Risk of Sarcopenia in Elderly Individuals
  2. Journal of Gastroenterology, 2019 -- Understanding Sarcopenia in Cirrhosis: Mechanisms and Treatment Approaches
  3. npj Digital Medicine, 2026 -- Thigh Volume Measurement via Neck-to-Knee Dixon MRI as an Enhanced Biomarker for Sarcopenia: Insights from the UK Biobank Study
  4. Infection, 2025 -- Influence of Sarcopenia and Obesity on Mortality Among Elderly Patients with SARS-CoV-2: Insights from Automated Deep Learning Body Composition Analysis in the NAPKON-SUEP Study
  5. Surviving Sepsis Campaign Adult Guidelines | SCCM, 2026 -- Guidelines for Adult Patients
  6. Nature Aging, 2025 -- A focus shift from sarcopenia to muscle health in the Asian Working Group for Sarcopenia 2025 Consensus Update
  7. Frontiers, 2025 -- Impact of sarcopenia and frailty on outcomes of patients with sepsis or septic shock: a systematic review and meta-analysis
  8. Surviving Sepsis Campaign Adult Guidelines | SCCM
  9. A focus shift from sarcopenia to muscle health in the Asian Working Group for Sarcopenia 2025 Consensus Update
  10. Frontiers | Impact of sarcopenia and frailty on outcomes of patients with sepsis or septic shock: a systematic review and meta-analysis
  11. Exploring the association between computed tomography (CT)-derived skeletal muscle mass and short- and long-term mortality in critically ill patients: a systematic review and meta-analysis - PubMed
  12. Exploring the circulating metabolome of sepsis: metabolomic and lipidomic profiles sampled in the ambulance - PMC
  13. Gut metagenome and plasma metabolome profiles in older adults suggest pyruvate metabolism as a link between sleep quality and frailty - ScienceDirect
  14. Biomarkers for sarcopenia, muscle mass, muscle strength, and physical performance: an umbrella review | Journal of Translational Medicine | Springer Nature Link

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