Effect of ethanol on hepatic secretory proteins.

Effect of ethanol on hepatic secretory proteins.
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乙醇对肝分泌蛋白的影响。

DOI:
--
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发表时间:
1984
期刊:
Recent developments in alcoholism : an official publication of the American Medical Society on Alcoholism, the Research Society on Alcoholism, and the National Council on Alcoholism
影响因子:
--
通讯作者:
M. Sorrell
M. Sorrell
中科院分区:
--
文献类型:
--
作者:
D. Tuma;M. Sorrell

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急性和慢性乙醇给药均抑制肝脏白蛋白和糖蛋白的分泌。这种分泌缺陷主要涉及分泌过程的翻译后步骤的损害,尽管在某些情况下蛋白质部分的合成改变可能是一个因素。乙醇给药后分泌减少导致输出蛋白质在肝内滞留。分泌缺陷是乙醇代谢的结果,可能是通过乙醛介导的,尽管仍需要更确凿的证据。乙醛损害分泌过程的方式尚不清楚,但可能与其与肝细胞蛋白的高反应性有关。具体的翻译后步骤或过程中涉及的分泌缺陷仍然不清楚,但是,它似乎分泌的最后步骤(后高尔基体事件)可能是主要的损害部位。肝脏蛋白质分泌受损可能导致血浆蛋白水平改变和肝肿大,以及酒精性肝损伤。
Both acute and chronic ethanol administration inhibit the secretion of albumin and glycoproteins from the liver. Impairment of posttranslational steps of the secretory process are mainly involved in this secretory defect, although in some instances altered synthesis of the protein moiety may be a factor. Decreased secretion following ethanol administration results in the intrahepatic retention of export proteins. The secretory defect is a consequence of the metabolism of ethanol and is likely mediated via acetaldehyde, although more conclusive proof is still required. The manner by which acetaldehyde impairs the secretory process is unknown, but may be related to its high reactivity with hepatocellular proteins. The specific posttranslational steps or processes involved in the secretory defect are still unclear; however, it appears that the final steps of secretion (post-Golgi events) may be the primary site of impairment. Impaired secretion of proteins from the liver could contribute to altered levels of plasma proteins and hepatomegaly as well as to the liver injury observed in the alcoholic.
DOI: --
发表时间: 1981
期刊: Currents in alcoholism
影响因子: --
作者:
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通讯作者: Lieber,CS
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DOI: 10.1016/0006-2952(81)90168-4
发表时间: 1981
影响因子: 5.8
作者:
Pikkarainen,PH;Gordon,ER;Lebsack,ME;Lieber,CS
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发表时间: 1981-01-01
期刊: SCIENCE
影响因子: 56.9
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DOI: --
发表时间: 1981
影响因子: 6.6
作者:
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乙醇和生物膜:损伤和适应。
DOI: 10.1016/0091-3057(83)90139-9
发表时间: 1983
期刊: Pharmacology, biochemistry, and behavior
影响因子: --
作者:
Rubin,E;Rottenberg,H
通讯作者: Rottenberg,H