Metabolic Changes in Neutrophils During ACLF and Sepsis

Overview

This report examines the metabolic changes in neutrophils during acute-on-chronic liver failure (ACLF) and sepsis, highlighting the coexistence of hyperinflammation and immune dysfunction. The findings underscore the need for a comparative understanding of neutrophil immunometabolism in these critical conditions.

Background

ACLF and sepsis are characterized by systemic inflammation and high mortality rates. Both conditions exhibit a paradoxical state of hyperinflammation coupled with impaired immune response, making them critical areas of study for understanding immune dysfunction. Neutrophils play a pivotal role in these processes, and their metabolic reprogramming is essential for effective immune responses.

Data Highlights

No numerical data or trial data provided in the source material.

Key Findings

• Neutrophils in ACLF and sepsis undergo significant metabolic reprogramming influenced by systemic inflammation.
• Both conditions exhibit glycolysis-driven metabolic changes, excessive reactive oxygen species (ROS) generation, and neutrophil extracellular trap (NET) formation.
• Sepsis triggers a rapid transition from hyperactivation to mitochondrial dysfunction, leading to metabolic exhaustion.
• ACLF develops on a background of chronic liver disease, resulting in a constrained and dysfunctional neutrophil response.
• Understanding the immunometabolic differences between ACLF and sepsis can inform targeted therapeutic strategies.

Clinical Implications

The metabolic alterations in neutrophils during ACLF and sepsis highlight the need for tailored therapeutic approaches that consider the unique immunometabolic profiles of these conditions. A deeper understanding of neutrophil function may lead to improved management strategies for patients suffering from these syndromes.

Conclusion

This comparative analysis of neutrophil immunometabolism in ACLF and sepsis enhances our understanding of immune dysfunction in critical illness and suggests avenues for precision interventions.

Related Resources & Content

1. EASL Clinical Practice Guidelines on acute-on-chronic liver failure - ScienceDirect, 2023 -- EASL Clinical Practice Guidelines
2. Surviving Sepsis Campaign: international guidelines for management of sepsis and septic shock 2026 | Intensive Care Medicine | Springer Nature Link, 2026 -- Surviving Sepsis Campaign Guidelines
3. Therapeutic plasma exchange improves short-term survival in patients with acute-on-chronic liver failure: A randomized controlled trial - PubMed, 2026 -- Therapeutic plasma exchange in ACLF
4. Frontiers in Immunology — Macrophage metabolic reprogramming in sepsis-associated acute lung injury: mechanisms and therapeutic strategies
5. Frontiers in Medicine — Metabolic reprogramming in sepsis-associated encephalopathy: emerging mechanisms, candidate biomarkers, and future therapeutic directions
6. Frontiers in Immunology — Immunometabolic reprogramming and glycolysis-associated signatures in sepsis: insights from single-cell RNA sequencing and machine learning
7. Intensive Care Medicine — 21st Annual Congress of the European Society of Intensive Care Medicine
8. Surviving Sepsis Campaign: international guidelines for management of sepsis and septic shock 2026 | Intensive Care Medicine | Springer Nature Link
9. EASL Clinical Practice Guidelines on acute-on-chronic liver failure - ScienceDirect
10. Therapeutic plasma exchange improves short-term survival in patients with acute-on-chronic liver failure: A randomized controlled trial - PubMed