EMC10 (内质网膜蛋白复合子单位10) 是骨髓衍生的血管生长因子,促进心肌梗塞后的组织修复
Marc R Reboll1, Mortimer Korf-Klingebiel1, Stefanie Klede1
1From Division of Molecular and Translational Cardiology, Department of Cardiology and Angiology (M.R.R., M.K.-K., S.K., E.B., I.R., Y.W., K.C.W.), Core Unit Proteomics, Institute of Toxicology (F.P., A.P.), Department of Biophysical Chemistry (J.F.), Leibniz Research Laboratories for Biotechnology and Artificial Organs, Department of Cardiothoracic, Transplantation, and Vascular Surgery (G.K., I.G.), Institute of Legal Medicine (M.K.), Institute of Physiological Chemistry (M.G.), and Department of Cardiology and Angiology (J.B.), Hannover Medical School, Germany; F. Hoffmann-La Roche, Pharma Research and Early Development, Basel, Switzerland (H.-J.S., M.B.); Department of Pathology and Department of Cardiac Surgery, Institute for Cardiovascular Research, Vrije Universiteit University Medical Center, Amsterdam, The Netherlands (H.W.N.); and Department of Physiology and Cellular Biophysics and Department of Neuroscience, College of Physicians and Surgeons, Columbia University, New York, NY (J.A.G.).
细胞内膜蛋白复合体10 (EMC10) 是一种新型血管生成因子. 通过改善血管形成,提高EMC10水平有助于心肌梗塞后的心脏修复.
科学领域:
- 心血管生物学
- 复原医学
- 分子心脏病学
背景情况:
- 骨髓细胞治疗心肌梗塞 (MI) 的疗效有限.
- 骨髓细胞分泌的蛋白质为心脏修复提供了潜在的替代方案.
- 鉴定出EMC10 (内质网膜蛋白复合体子单元10) 是一种新型血管性蛋白.
研究的目的:
- 研究EMC10在心肌梗塞中的血管生成潜力和治疗作用.
- 确定Emc10后MI的细胞来源和信号通路.
- 评估重组Emc10作为心脏病发作后心力衰竭的治疗方法.
主要方法:
- 在体外使用内皮细胞和体外心脏扩充剂的研究.
- 在野生型,缺乏Emc10和骨髓基因的小鼠中进行的体内研究.
- 在心力衰竭小鼠模型中治疗复合Emc10.
主要成果:
- Emc10通过p38 MAPK-MK2信号促进内皮细胞迁移和血管生成.
- 在小鼠和人类心脏病发作后,Emc10表达在心脏和血液循环中升级.
- 缺乏Emc10会损害心脏的修复,而治疗Emc10会改善心脏的修复.
结论:
- Emc10是一种新型血管生长因子,参与心脏中风后的修复.
- 骨髓衍生的单细胞和巨细胞是Emc10的主要来源.
- 在治疗心脏病方面,Emc10的疗效增强具有前景.
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