Separated at birth? The functional and molecular divergence of OLIG1 and OLIG2.

Separated at birth? The functional and molecular divergence of OLIG1 and OLIG2.
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DOI:
10.1038/nrn3386
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发表时间:
2012-12
影响因子:
34.7
通讯作者:
Rowitch, David H.
Rowitch, David H.
中科院分区:
医学1区
文献类型:
--
作者:
Meijer, Dimphna H.;Kane, Michael F.;Mehta, Shwetal;Liu, Hongye;Harrington, Emily;Taylor, Christopher M.;Stiles, Charles D.;Rowitch, David H.

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基本螺旋-环-螺旋转录因子少突胶质细胞转录因子1(OLIG 1)和OLIG 2在结构上相似,并且大致上在发育中的中枢神经系统和产后大脑中协调表达。尽管有这些相似性,但从发现后的早期就很明显,OLIG 1和OLIG 2在图案形成、神经元亚型特化和少突胶质细胞的形成中具有不重叠的发育功能。在这里,我们总结了最近的见解,这些转录因子在出生后的大脑在修复过程中,在神经系统疾病状态,包括多发性硬化症和恶性胶质瘤的单独功能。我们讨论了OLIG 1和OLIG 2的独特生物学功能如何反映其不同的遗传靶点,共调节蛋白和/或翻译后修饰。
The basic helix-loop-helix transcription factors oligodendrocyte transcription factor 1 (OLIG1) and OLIG2 are structurally similar and, to a first approximation, coordinately expressed in the developing CNS and postnatal brain. Notwithstanding these similarities, it was apparent from early on after their discovery that OLIG1 and OLIG2 have non-overlapping developmental functions in patterning, neuron subtype specification and the formation of oligodendrocytes. Here, we summarize more recent insights into the separate functions of these transcription factors in the postnatal brain during repair processes and in neurological disease states, including multiple sclerosis and malignant glioma. We discuss how the unique biological functions of OLIG1 and OLIG2 may reflect their distinct genetic targets, co-regulator proteins and/or post-translational modifications.
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