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蛋白质氧化降解抑制剂:老年学意义

Inhibitors of oxidative degradation of protein: gerontological implications.

作者信息

Gemant A

出版信息

Mol Biol Rep. 1979 Feb 15;4(4):203-6. doi: 10.1007/BF00777554.

DOI:10.1007/BF00777554
PMID:440299
Abstract

Compounds were studied that inhibit the oxidative degradation of human serum albumin by peroxidase and the enzyme model, iron hydroxide. Differences between the two oxidants gave clues for the mechanism of inhibition. The inhibitors studied were inorganic anions, phosphate, sulfate, carbonate and molybdate; organic anions, decanoate and glycocholate; and the nonionic species, glycogen. Such inhibitors might be considered as adjuvants in senescence: by decreasing the rate of enzymic oxidation of essential body proteins, they would, in the course of aging, reduce some of the physiological changes occurring as a result of accumulation of degraded protein.

摘要

对能够抑制过氧化物酶和氢氧化铁这种酶模型对人血清白蛋白进行氧化降解的化合物展开了研究。两种氧化剂之间的差异为抑制机制提供了线索。所研究的抑制剂有无机阴离子,如磷酸盐、硫酸盐、碳酸盐和钼酸盐;有机阴离子,如癸酸盐和甘胆酸盐;以及非离子物质糖原。这类抑制剂可被视为衰老过程中的佐剂:通过降低体内必需蛋白质的酶促氧化速率,在衰老过程中,它们会减少因降解蛋白质积累而发生的一些生理变化。

相似文献

1
Inhibitors of oxidative degradation of protein: gerontological implications.蛋白质氧化降解抑制剂:老年学意义
Mol Biol Rep. 1979 Feb 15;4(4):203-6. doi: 10.1007/BF00777554.
2
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Inhibition of oxidation by peroxidase of human serum proteins.人血清蛋白过氧化物酶对氧化的抑制作用。
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Acta Chem Scand B. 1975;29(3):397-8. doi: 10.3891/acta.chem.scand.29b-0397.

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Probiotic Dahi containing Lactobacillus acidophilus and Bifidobacterium bifidum alleviates age-inflicted oxidative stress and improves expression of biomarkers of ageing in mice.含嗜酸乳杆菌和两歧双歧杆菌的益生菌酸奶可缓解年龄增长引起的氧化应激,并改善小鼠衰老生物标志物的表达。
Mol Biol Rep. 2012 Feb;39(2):1791-9. doi: 10.1007/s11033-011-0920-1. Epub 2011 May 28.
2
Histone: oxidation by peroxidase alters its interaction with DNA.组蛋白:过氧化物酶介导的氧化作用改变其与DNA的相互作用。
Mol Biol Rep. 1979 Dec 31;5(4):257-60. doi: 10.1007/BF00782900.

本文引用的文献

1
Polyphenol oxidase as a factor in aging.多酚氧化酶作为衰老的一个因素。
Gerontology. 1977;23(5):350-3. doi: 10.1159/000212207.
2
Human gamma globulin: substrate for polyphenol oxidase.人γ球蛋白:多酚氧化酶的底物。
Mol Biol Rep. 1975 Mar;2(1):81-5. doi: 10.1007/BF00357301.