ArticleNeurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics2024
Long non-coding RNA SNHG12 regulates leptomeningeal collateral remodeling via RGMa after ischemic stroke.
Article in Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- IncRNAs transcriptomics elucidates the potential mechanism of Naoshuantong capsule in alleviating synaptic dysfunction in a murine model of cerebral ischemia/reperfusion injury.Frontiers in pharmacology · 2026Article
- Repulsive guidance molecule A in the resolution of inflammation from ischemic stroke-associated pneumonia in mice.Scientific reports · 2025Article
- Knockdown of RGMa reduces vascular calcification by inhibiting the AKT signaling pathway.Scientific reports · 2025Article
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6 authors.
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Abstract
Leptomeningeal anastomoses or pial collateral arteries are crucial for restoring cerebral blood flow (CBF) after an ischemic stroke. Vascular smooth muscle cells (VSMCs) are hypothesized to regulate the extent of this adaptive response, while the specific molecular mechanisms underlying this process are still being investigated. SNHG12, a long non-coding RNA, has been shown to influence several diseases related angiogenesis, including osteosarcoma and gastric cancer. However, the role of SNHG12 in contractile VSMC dedifferentiation during collateral arteriogenesis-related strokes remains unclear. Here we demonstrated that SNHG12 is a positive regulator of MMP9 and VSMC dedifferentiation, which enhances pial collateral arteriogenesis following cerebrovascular occlusion. Pial collateral remodeling is limited by the crosstalk between SNHG12-MMP9 signaling in VSMCs, which is mediated through repulsive guidance molecule a (RGMa) regulation. Thus, targeting SNHG12 may represent a therapeutic strategy for improving collateral function, neural tissue health, and functional recovery following ischemic stroke.
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