Primary Biliary Cirrhosis: Current Knowledge, Perspectives, and Future Directions

Primary Biliary Cirrhosis: Current Knowledge, Perspectives, and Future Directions
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原发性胆汁性肝硬化:当前知识、观点和未来方向

DOI:
--
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发表时间:
1989
期刊:
Seminars in liver disease (Print)
影响因子:
--
通讯作者:
Gershwin Me
Gershwin Me
中科院分区:
--
文献类型:
--
作者:
I. Mackay;Gershwin Me

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这些来自第一届原发性胆汁性肝硬化国际研讨会的观点回顾了最近的进展,并提出了一些有待进一步研究的领域。后者包括相关自身免疫性疾病的频率和类型,PBC临床亚群的存在,肝脏淋巴浸润的免疫组织化学分析,免疫抑制和其他治疗方案的效果,以及预测肝移植最佳时间的模型。M2自身抗原被鉴定为线粒体2-氧酸脱氢酶。其中包括丙酮酸脱氢酶(70-74 kd抗原)和支链2-氧酸脱氢酶和2-氧酸戊二酸脱氢酶(45-52 kd抗原)。每种酶都有三个亚基,E1到E3。对于PDH,一个自身表位已被确定为包含硫辛酸附着位点的十肽,硫辛酸是酶活性的必要辅助因子。目前的问题包括PDH抗体和相关酶在多大程度上解释了免疫荧光或其他程序定义的线粒体反应性,M2自身抗原的细胞表面表达,以及PBC中非线粒体(如着丝粒)自身抗体的发生的意义。未知的T淋巴细胞对PBC自身免疫反应的贡献可能涉及诱导剂和效应器成分。假设的t细胞自身表位可能出现在胆道上皮细胞表面,与MHC I类或II类分子相关。移植过程中从PBC肝脏中取出的T细胞系可以提供T淋巴细胞在PBC发病机制中的作用的数据。
These perspectives from the first International Symposium on Primary Biliary Cirrhosis review recent advances and single out some areas for further enquiry. The latter include frequency and type of associated autoimmune diseases, the existence of clinical subsets of PBC, immunohistochemical analysis of lymphoid infiltrates in the liver, effects of immunosuppressive and other treatment regimens, and models for predicting the optimal time for liver transplantation. The M2 autoantigens have been identified as mitochondrial 2-oxo-acid dehydrogenase enzymes. These include pyruvate dehydrogenase (70-74 kd antigen) and branched chain 2-oxo-acid dehydrogenase and 2-oxo-acid glutaric dehydrogenase (45-52 kd antigens). Each of these enzymes has three subunits, E1 to E3. For PDH, an autoepitope has been identified as a decapeptide containing the attachment site of lipoic acid, an essential cofactor for enzyme activity. Current questions include the degree to which antibodies to PDH, and related enzymes, account for the mitochondrial reactivity defined by immunofluorescence or other procedures, the cell-surface expression of M2 autoantigens, and the significance of the occurrence of nonmitochondrial (such as centromeric) autoantibodies in PBC. The unknown T lymphocyte contribution to the autoimmune response in PBC may involve inducer and effector components. A postulated T-cell autoepitope may be presented, in association with MHC class I or class II molecules, on the surface of biliary epithelial cells. T cell lines from PBC livers removed during transplantation could provide data on the T-lymphocyte contribution to the pathogenesis of PBC.
原发性胆汁性肝硬化中 T 细胞亚群的改变。
DOI: --
发表时间: 1982
影响因子: 4.6
作者:
Bhan,AK;Dienstag,JL;Wands,JR;Schlossman,SF;Reinherz,EL
通讯作者: Reinherz,EL
甲状腺炎易感和耐药小鼠体内对鼠和人甲状腺球蛋白的体外鼠 T 细胞增殖反应的表征。
DOI: 10.1016/0008-8749(85)90101-7
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影响因子: 4.3
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DOI: --
发表时间: 1989
期刊: The Journal of biological chemistry
影响因子: --
作者:
Rahmatullah,M;Gopalakrishnan,S;Andrews,PC;Chang,CL;Radke,GA;Roche,TE
通讯作者: Roche,TE
DOI: --
发表时间: 1989-01
期刊: The Journal of biological chemistry
影响因子: --
作者:
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通讯作者: M. Rahmatullah;S. Gopalakrishnan;G. Radke;T. Roche
蛋白质 X 还原和乙酰化的催化要求以及各种形式的解析丙酮酸脱氢酶激酶的相关调节。
DOI: --
发表时间: 1987
期刊: The Journal of biological chemistry
影响因子: --
作者:
Rahmatullah,M;Roche,TE
通讯作者: Roche,TE