Redox-derived damage-associated molecular patterns: Ligand function of lipid peroxidation adducts.

Redox-derived damage-associated molecular patterns: Ligand function of lipid peroxidation adducts.
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DOI:
10.1016/j.redox.2012.12.005
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发表时间:
2013-02-12
期刊:
影响因子:
11.4
通讯作者:
Uchida, Koji
Uchida, Koji
中科院分区:
生物学1区
文献类型:
--
作者:
Uchida, Koji

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内源性亲电体,如脂质过氧化过程中产生的α,β-不饱和醛和酮,与蛋白质表现出简单的反应性,产生各种分子内和分子间共价加合物。据推测,这些宿主衍生的,修饰的蛋白质与亲电体,这构成了不同类别的氧化反应的产物,代表损伤相关的分子模式(DAMP)。DAMP在体内存在,可以是多种蛋白质的配体,这反过来又可以导致深刻的先天性和适应性免疫应答,并介导炎症和细胞死亡后的稳态功能。内源性亲电体与蛋白质生成共价加合物。蛋白质结合亲电体代表损伤相关分子模式(DAMP)。► DAMP可以是多种蛋白质的配体,导致先天性和适应性免疫反应。CDMAMPs介导炎症和细胞死亡后的稳态功能。
Endogenous electrophiles, such as α,β-unsaturated aldehydes and ketones generated during lipid peroxidation, exhibit a facile reactivity with proteins, generating a variety of intra and intermolecular covalent adducts. It has been postulated that these host-derived, modified proteins with electrophiles, which constitute the products of diverse classes of oxidative reactions, represent damage-associated molecular patterns (DAMPs). The DAMPs, that occur in vivo, can be a ligand of multiple proteins, which in turn, may lead to the profound innate and adaptive immune responses and mediate homeostatic functions consequent to inflammation and cell death. ► Endogenous electrophiles generate covalent adducts with proteins. ► The protein-bound electrophiles represent damage-associated molecular patterns (DAMPs). ► DAMPs can be a ligand of multiple proteins, leading to the innate and adaptive immune responses. ► DAMPs mediate homeostatic functions consequent to inflammation and cell death.
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