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白藜芦醇的抗炎反应。

Anti-inflammatory responses of resveratrol.

作者信息

Das Samarjit, Das Dipak K

机构信息

Cardiovascular Research Center, University of Connecticut School of Medicine, Farmington, Connecticut 06030-1110, USA.

出版信息

Inflamm Allergy Drug Targets. 2007 Sep;6(3):168-73. doi: 10.2174/187152807781696464.

Abstract

Resveratrol (trans-3,4',5-trihydroxystilbene), a natural polyphenolic, non-flavonoid antioxidant, is a phytoalexin found in many plants including grapes, nuts and berries. Recent studies have documented that resveratrol has various health benefits, such as cardiovascular and cancer preventive properties. However, the experimental basis for such health benefit is not fully understood. One of the possible mechanisms for its protective activities is by down regulation of the inflammatory responses. That includes the inhibition of synthesis and release of pro-inflammatory mediators, modifications of eicosanoid synthesis, inhibition of some activated immune cells, or inhibiting the enzymes, such as cyclooxygenase-1 (COX-1) or cyclooxygenase-2 (COX-2), which are responsible for the synthesis of pro-inflammatory mediators through the inhibitory effect of resveratrol on transcription factors like nuclear factor kappaB (NFkappaB) or activator protein-1 (AP-1). Being a phenolic compound, resveratrol certainly possesses a low bioavailability and most importantly, a rapid clearance from the plasma. Recent growing interest in varying protective nature of resveratrol may clinically also hold a respectable position as a better alternative for anti-inflammatory drugs. The purpose of this review is to provide evidence that resveratrol exhibits potent anti-inflammatory activity and also to explain the underling mechanism for both resveratrol- induced cardioprotective and anti-inflammatory properties. While it is true that the cardioprotective properties of resveratrol are likely attributable, at least in part, to its anti-inflammatory properties, the mechanisms discussed address foremost mechanisms for the anti-inflammatory activity which, in turn, is responsible for cardioprotection.

摘要

白藜芦醇(反式 - 3,4',5 - 三羟基芪)是一种天然多酚类非黄酮抗氧化剂,是一种植保素,存在于许多植物中,包括葡萄、坚果和浆果。最近的研究表明,白藜芦醇具有多种健康益处,如心血管保护和防癌特性。然而,这种健康益处的实验依据尚未完全明确。其保护作用的一种可能机制是下调炎症反应。这包括抑制促炎介质的合成和释放、改变类花生酸的合成、抑制一些活化的免疫细胞,或抑制诸如环氧化酶 - 1(COX - 1)或环氧化酶 - 2(COX - 2)等酶,这些酶通过白藜芦醇对核因子κB(NFκB)或活化蛋白 - 1(AP - 1)等转录因子的抑制作用来负责促炎介质的合成。作为一种酚类化合物,白藜芦醇的生物利用度确实较低,最重要的是,它能迅速从血浆中清除。最近对白藜芦醇不同保护特性的兴趣日益增加,在临床上它作为抗炎药物的更好替代品可能也占据着重要地位。本综述的目的是提供证据表明白藜芦醇具有强大的抗炎活性,并解释白藜芦醇诱导的心脏保护和抗炎特性的潜在机制。虽然白藜芦醇的心脏保护特性可能至少部分归因于其抗炎特性,但所讨论的机制主要涉及抗炎活性的机制,而抗炎活性反过来又负责心脏保护。

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