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In the event of middle cerebral artery occlusion (MCAO), leptomeningeal collaterals (LMCs) play a crucial role in determining the survival of brain tissue distal to occlusion. Previous findings indicated that genes controlling arteriogenesis can impact the extent of LMCs. Therefore, probe for potential genetic parameters correlating of arteriogenesis may be clinically useful in predicting LMCs status in MCAO. During the screening process, we focused on repulsive guidance molecule a (RGMa), which has been reported to play a negative role in angiogenesis after stroke by decreasing the proliferation, migration, and tube formation of endothelial cells (ECs) in vivo and in vitro. Indeed, endothelial function plays a main role in arteriogenesis and is essential in determining the LMCs status. Therefore, in present study, we aimed to testify the hypothesis that RGMa might be associated with LMCs status in MCAO.

annals of palliative medicine

Elevated repulsive guidance molecule-a mRNA in peripheral blood mononuclear cells are associated with impaired leptomeningeal collaterals in patients with middle cerebral artery occlusions