Irisin Mitigates Microglial Inflammation Induced by β-Amyloid through the miR-451a/TLR4/NLRP3 Pathway
By
Roberta Mancuso
Marina Saresella
Riccardo Nuzzi
Simone Agostini
Ivana Marventano
Ambra Hernis
Francesca La Rosa
Federica Piancone
Mario Clerici
April 23, 2026
Clinical Scorecard: Irisin Mitigates Microglial Inflammation Induced by β-Amyloid through the miR-451a/TLR4/NLRP3 Pathway
At a Glance
Category Detail
Condition Neuroinflammation in Alzheimer's Disease Key Mechanisms Irisin modulates microRNA expression and NLRP3 inflammasome pathways. Target Population Individuals with Alzheimer's Disease or neurodegenerative conditions. Care Setting In vitro studies using human microglial cell models.
Key Highlights
Irisin reduces Aβ1-42-induced microglial activation. Inhibition of miR-451a attenuates irisin's anti-inflammatory effects. Irisin influences TLR4/NLRP3 signaling pathways. MicroRNA modulation is a key mechanism of irisin's action. Guideline-Based Recommendations
Diagnosis
Monitor microglial activation and inflammatory markers in Alzheimer's Disease. Management
Consider exercise-based interventions to increase irisin levels. Monitoring & Follow-up
Evaluate changes in miRNA expression and NLRP3 activation. Risks
Potential for chronic neuroinflammation if microglial activation is not controlled. Patient & Prescribing Data
Patients with Alzheimer's Disease or related neurodegenerative disorders.
Irisin may serve as a therapeutic target to mitigate neuroinflammation.
Clinical Best Practices
Incorporate physical activity to enhance irisin levels. Monitor inflammatory cytokines and miRNA profiles in patients. References
