Polycomb-group genes as regulators of mammalian lymphopoiesis.

Polycomb-group genes as regulators of mammalian lymphopoiesis.
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多梳族基因作为哺乳动物淋巴细胞生成的调节因子。

DOI:
10.1016/s1471-4906(01)02082-8
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发表时间:
2001
影响因子:
16.8
通讯作者:
C. J. Meijer
C. J. Meijer
中科院分区:
医学1区
文献类型:
--
作者:
F. Raaphorst;A. Otte;C. J. Meijer

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多梳蛋白形成具有基因抑制活性的DNA结合蛋白复合体。它们维持细胞的特性,但也有助于调节细胞的增殖。具有多梳基因突变的小鼠表现出各种血液疾病,从成熟B细胞和T细胞的丧失到淋巴瘤的发展。人类的淋巴生成与特定淋巴细胞群体中多梳组基因的特征表达模式有关。总而言之,这些结果表明,聚梳组基因编码与淋巴细胞分化有关的新的基因调节因子。潜在的机制很可能与染色质修饰的基因沉默有关,并可能影响增殖行为,并解释谱系选择的不可逆转性。
Polycomb proteins form DNA-binding protein complexes with gene-suppressing activity. They maintain cell identity but, also, contribute to the regulation of cell proliferation. Mice with mutated Polycomb-group genes exhibit various hematological disorders, ranging from the loss of mature B and T cells to development of lymphomas. Lymphopoiesis in humans is associated with characteristic expression patterns of Polycomb-group genes in defined lymphocyte populations. Collectively, these results indicate that Polycomb-group genes encode novel gene regulators involved in the differentiation of lymphocytes. The underlying mechanism is related, most probably, to gene silencing by chromatin modification, and might affect proliferative behavior and account for the irreversibility of lineage choice.
Hox 同源盒基因作为正常和白血病造血的调节因子。
DOI: 10.1016/s0889-8588(05)70491-3
发表时间: 1997
期刊: Hematology/oncology clinics of North America
影响因子: --
作者:
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DOI: 10.1242/dev.128.2.275
发表时间: 2001
期刊: Development (Cambridge, England)
影响因子: --
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