Proteome analysis of activated murine B‐lymphocytes

Proteome analysis of activated murine B‐lymphocytes
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活化的小鼠 B 淋巴细胞的蛋白质组分析

DOI:
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发表时间:
2000
期刊:
影响因子:
2.9
通讯作者:
I. Lefkovits
I. Lefkovits
中科院分区:
生物学3区
文献类型:
--
作者:
J. Frey;M. Fountoulakis;I. Lefkovits

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通过二维(2-D)聚丙烯酰胺凝胶电泳分离脂多糖体外刺激后从小鼠B-淋巴细胞中提取的蛋白质,并通过基质辅助激光解吸/电离质谱法进行分析。获得了153个点的蛋白质实体的结构信息。由于这些斑点中有许多是斑点家族的成员,因此发现了一个较小的数量- 98个基因-编码所识别的斑点。所阐明的蛋白质属于功能类别的组,我们发现26个酶,36个调节蛋白,15个分子伴侣,15个结构蛋白,4个免疫球蛋白,1个核糖体和1个组蛋白。预期和观察到的分子量之间的比较产生了良好的相关性,为大多数比较斑点实体。现在在淋巴细胞2-D凝胶模式的背景下鉴定的这组蛋白质应该推进对淋巴细胞功能的进一步研究。
Proteins extracted from murine B‐lymphocytes after in vitro stimulation by lipopolysaccharide were separated by two‐dimensional (2‐D) polyacrylamide gel electrophoresis and analyzed by matrix assisted laser desorption/ionization mass spectrometry. Structural information on the protein entities from 153 spots was obtained. Since many of these spots occur as members of spot families, a smaller number — 98 genes — was found to be coding for the identified spots. The elucidated proteins belong to groups of functional categories; we found 26 enzymes, 36 regulatory proteins, 15 chaperones, 15 structural proteins, 4 immunoglobulins, 1 ribosomal and 1 histone protein. A comparison between expected and observed molecular masses yields a good correlation for the majority of the compared spot entities. This set of proteins now identified in the context of a lymphocyte 2‐D gel pattern should advance further studies on lymphocyte functions.
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DOI: --
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