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Updated: May 24, 2026

Isolation and Flow Cytometric Analysis of Immune Cells from the Ischemic Mouse Brain
Published on: February 12, 2016
Inflammation in ischemic stroke subtypes
Antonino Tuttolomondo1, Domenico Di Raimondo, Rosaria Pecoraro
1Dipartimento Biomedico di Medicina Interna e Specialistica, Università degli Studi di Palermo, Italy. bruno.tuttolomondo@unipa.it
Stroke subtype influences inflammation. Cardioembolic stroke shows higher inflammatory markers (TNF-α, IL-6, IL-1β), while lacunar stroke shows lower levels. This highlights the link between stroke type, neurological deficit, and inflammation.
Area of Science:
- Neuroscience
- Immunology
- Cardiology
Background:
- Stroke subtype classification is crucial for management but challenging to apply.
- Cerebral ischemia triggers complex molecular and cellular events, with inflammation playing a key role.
- The Trial of Org 10172 in Acute Stroke Treatment (TOAST) classification system aids in diagnosing ischemic stroke subtypes.
Purpose of the Study:
- To investigate the association between different ischemic stroke subtypes and immuno-inflammatory activation patterns.
- To explore the relationship between stroke severity, subtype, and specific inflammatory markers.
Main Methods:
- Classified acute ischemic stroke cases into TOAST subtypes: Large Artery Atherosclerosis (LAAS), Cardioembolic Infarct (CEI), Lacunar infarct (LAC), Other Determined Etiology (ODE), and Undetermined Etiology (UDE).
- Measured plasma levels of inflammatory markers, including Tumor Necrosis Factor-alpha (TNF-α), Interleukin-6 (IL-6), and Interleukin-1 beta (IL-1β).
- Analyzed the correlation between stroke subtype, neurological deficit severity, and inflammatory marker levels.
Main Results:
- Patients with cardioembolic infarct (CEI) exhibited significantly higher median plasma levels of TNF-α, IL-6, and IL-1β compared to other subtypes.
- Patients with lacunar infarct (LAC) showed significantly lower median plasma levels of TNF-α, IL-6, and IL-1β.
- A significant association was found between the severity of neurological deficit at admission, the diagnosed stroke subtype, and specific inflammatory variables.
Conclusions:
- Different ischemic stroke subtypes are associated with distinct immuno-inflammatory activation profiles.
- Inflammatory markers like TNF-α, IL-6, and IL-1β may serve as indicators differentiating stroke subtypes and potentially predicting outcomes.
- Understanding these subtype-specific inflammatory patterns can inform targeted management strategies for acute ischemic stroke.
Related Concept Videos
Ischemic Stroke ll: Pathophysiology
Ischemic Stroke l: Introduction
Stroke: Introduction and Types
Hemorrhagic Stroke ll: Pathophysiology
Hemorrhagic Stroke l: Introduction
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