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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Identification of Target Proteins of Mangiferin in Mice with Acute Lung Injury Using Functionalized Magnetic Microspheres Based on Click Chemistry
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Identification of Target Proteins of Mangiferin in Mice with Acute Lung Injury Using Functionalized Magnetic Microspheres Based on Click Chemistry

机译:基于点击化学的功能化磁性微球鉴定急性肺损伤小鼠中芒果苷的目标蛋白

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摘要

Prevention of the occurrence and development of inflammation is a vital therapeutic strategy for treating acute lung injury (ALI). Increasing evidence has shown that a wealth of ingredients from natural foods and plants have potential anti-inflammatory activity. In the present study, mangiferin, a natural C-glucosyl xanthone that is primarily obtained from the peels and kernels of mango fruits and the bark of the Mangifera indica L. tree, alleviated the inflammatory responses in lipopolysaccharide (LPS)-induced ALI mice. Mangiferin-modified magnetic microspheres (MMs) were developed on the basis of click chemistry to capture the target proteins of mangiferin. Mass spectrometry and molecular docking identified 70 kDa heat-shock protein 5 (Hspa5) and tyrosine 3-monooxygenase (Ywhae) as mangiferin-binding proteins. Furthermore, an enzyme-linked immunosorbent assay (ELISA) indicated that mangiferin exerted its anti-inflammatory effect by binding Hspa5 and Ywhae to suppress downstream mitogen-activated protein kinase (MAPK) signaling pathways. Thoroughly revealing the mechanism and function of mangiferin will contribute to the development and utilization of agricultural resources from M. indica L.
机译:预防炎症的发生和发展是治疗急性肺损伤(ALI)的重要治疗策略。越来越多的证据表明,来自天然食品和植物的大量成分具有潜在的抗炎活性。在本研究中,芒果苷,一种天然的C-葡萄糖基黄酮,主要从芒果果实的果皮和果仁以及芒果树的树皮中获得,减轻了脂多糖(LPS)诱导的ALI小鼠的炎症反应。在点击化学的基础上开发了芒果苷修饰的磁性微球(MMs),以捕获芒果苷的目标蛋白。质谱和分子对接鉴定出70 kDa热休克蛋白5(Hspa5)和酪氨酸3-单加氧酶(Ywhae)为芒果苷结合蛋白。此外,酶联免疫吸附试验(ELISA)表明,芒果苷通过结合Hspa5和Ywhae来抑制下游的促丝裂原激活的蛋白激酶(MAPK)信号通路而发挥其抗炎作用。深入揭示芒果苷的作用机理和功能,将有助于印度M草农业资源的开发利用。

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