Decreased serum netrin-1 is associated with ischemic stroke: A case-control study

Area of Science:

• Neuroscience
• Biochemistry
• Cardiovascular Research

Background:

• Netrin-1, a laminin-related protein, plays a role in neurovascular protection.
• Previous research indicated decreased serum netrin-1 correlates with poor prognosis in ischemic stroke patients.
• The direct association between serum netrin-1 levels and ischemic stroke risk was previously undetermined.

Purpose of the Study:

• To investigate the association between serum netrin-1 levels and the risk of developing ischemic stroke.
• To determine if netrin-1 could serve as a predictive biomarker for ischemic stroke.

Main Methods:

• A case-control study involving 591 ischemic stroke patients and 591 matched healthy controls.
• Quantitative determination of serum netrin-1 concentrations using enzyme-linked immunosorbent assay (ELISA).
• Statistical analysis including logistic regression and assessment of discriminatory power with conventional risk factors.

Main Results:

• Ischemic stroke patients exhibited significantly lower serum netrin-1 levels compared to controls (median 496.4 vs 652.1 pg/mL, P < 0.001).
• Higher quartiles of netrin-1 were associated with a significantly reduced odds of ischemic stroke (OR 0.07, Ptrend = 0.018).
• A dose-response relationship was observed, with each SD increase in log-transformed netrin-1 decreasing stroke odds (OR 0.45, P = 0.032).

Conclusions:

• Serum netrin-1 levels are significantly decreased in individuals with ischemic stroke.
• These findings suggest a potential protective role for netrin-1 in ischemic stroke pathogenesis.
• Netrin-1 may serve as a valuable biomarker for improving ischemic stroke risk prediction.