Cigarette Smoke Oxidation of Human Plasma Constituents a

Cigarette Smoke Oxidation of Human Plasma Constituents a
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香烟烟雾对人体血浆成分的氧化作用

DOI:
--
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发表时间:
1993
影响因子:
5.2
通讯作者:
B. Frei
B. Frei
中科院分区:
综合性期刊3区
文献类型:
--
作者:
C. Cross;C. O'NEIL;A. Reznick;Miao;L. Marcocci;L. Packer;B. Frei

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在体外,新鲜人体血浆暴露于香烟烟雾(CS)中,作为暴露于CS的呼吸道衬里液体(RTLF)和肺实质中可能发生的反应的模型。该模型的中心焦点是表征内源性血浆抗氧化剂的消耗与CS暴露或CS中存在的醛引起的氧化蛋白和脂质的出现之间的关系。此外,还评估了添加选择性外源抗氧化剂对CS诱导的血浆蛋白质和脂质氧化的改善作用。我们发现:(I)人血浆暴露于气相CS可引起脂质过氧化和蛋白质氧化,而内源性抗坏血酸可防止脂质氧化,但不能防止蛋白质氧化;(Ii)整个CS可引起蛋白质氧化,但不会引起脂质过氧化;(Iii)加入CS中已知的醛可引起蛋白质损伤,但不会引起脂质过氧化或抗坏血酸的氧化;(Iv)外源添加二氢硫辛酸(DHL)可保持暴露于CS气相的血浆中抗坏血酸的水平,并在一定程度上防止脂质过氧化;DHLA还可以防止蛋白质氧化,而添加的谷胱甘肽(GSH)只防止蛋白质氧化,而不保护脂肪氧化。
In vitro exposure of fresh human plasma to cigarette smoke (CS) was used as a model for reactions that could be occurring in CS-exposed respiratory tract lining fluids (RTLFs) and lung parenchyma. The central focus of this model was to characterize the consumption of endogenous plasma antioxidants in relationship to the appearance of oxidized proteins and lipids as a consequence of exposure to CS, or to aldehydes present in CS. The amelioration of CS-induced protein and lipid oxidation in plasma by the addition of selective exogenous antioxidants was also assessed. We found that: (i) exposure of human plasma to gas phase CS causes both lipid peroxidation and protein oxidation, and endogenous ascorbic acid protects against lipid, but not protein, oxidation; (ii) whole CS causes protein oxidation, but does not induce lipid peroxidation; (iii) addition to plasma of aldehydes known to be present in CS causes protein damage, but does not induce either lipid peroxidation or oxidation of ascorbic acid; and (iv) exogenously added dihydrolipoic acid (DHLA) preserves ascorbic acid levels in plasma exposed to the gas phase of CS, and protects, to some extent, against lipid peroxidation; DHLA also protects against protein oxidation, whereas added glutathione (GSH) only protects against protein, but not lipid, oxidation.
DOI: --
发表时间: 1992-03
影响因子: 6.5
作者:
V. Kagan;E. Serbinova;T. Forte;G. Scita;L. Packer
通讯作者: V. Kagan;E. Serbinova;T. Forte;G. Scita;L. Packer
DOI: 10.1289/ehp.8564111
发表时间: 1985-12
影响因子: 10.4
作者:
Church DF;Pryor WA
通讯作者: Pryor WA
DOI: 10.1016/0006-291x(89)92427-3
发表时间: 1989-02
影响因子: 3.1
作者:
L. Packer;J. Maguire;R. Mehlhorn;E. Serbinova;V. Kagan
通讯作者: L. Packer;J. Maguire;R. Mehlhorn;E. Serbinova;V. Kagan
缺乏白细胞粘附促进糖蛋白的中性粒细胞的肺微循环动力学。
DOI: 10.1152/jappl.1990.69.1.207
发表时间: 1990
期刊: Journal of applied physiology (Bethesda, Md. : 1985)
影响因子: --
作者:
Yoder,MC;Checkley,LL;Giger,U;Hanson,WL;Kirk,KR;Capen,RL;WagnerJr,WW
通讯作者: WagnerJr,WW
DOI: 10.1159/000195084
发表时间: 1986
期刊: Respiration; international review of thoracic diseases
影响因子: --
作者:
Janoff,A
通讯作者: Janoff,A