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RESEARCH ARTICLE
Year : 2022  |  Volume : 17  |  Issue : 8  |  Page : 1795-1801

Oxidized low-density lipoprotein receptor 1: a novel potential therapeutic target for intracerebral hemorrhage


Department of Neurology, The First Hospital of China Medical University, Shenyang, Liaoning Province, China

Correspondence Address:
Zhi-Yi He
Department of Neurology, The First Hospital of China Medical University, Shenyang, Liaoning Province
China
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Source of Support: This study was supported by the National Natural Science Foundation of China, No. 81971125 (to ZYH), Conflict of Interest: None


DOI: 10.4103/1673-5374.332157

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Oxidized low-density lipoprotein receptor 1 (OLR1) is upregulated in neurons and participates in hypertension-induced neuronal apoptosis. OLR1 deletion exerts protective effects on cerebral damage induced by hypertensive-induced stroke. Therefore, OLR1 is likely involved in the progress of intracerebral hemorrhage. In this study, we examined the potential role of OLR1 in intracerebral hemorrhage using a rat model. OLR1 small interfering RNA (10 μL; 50 pmol/μL) was injected into the right basal ganglia to knock down OLR1. Twenty-four hours later, 0.5 U collagenase type VII was injected to induce intracerebral hemorrhage. We found that knockdown of OLR1 attenuated neurological behavior impairment in rats with intracerebral hemorrhage and reduced hematoma, neuron loss, inflammatory reaction, and oxidative stress in rat brain tissue. We also found that silencing of OLR1 suppressed ferroptosis induced by intracerebral hemorrhage and the p38 signaling pathway. Therefore, silencing OLR1 exhibits protective effects against secondary injury of intracerebral hemorrhage. These findings suggest that OLR1 may be a novel potential therapeutic target for intracerebral hemorrhage.


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