The Notch signalling system: recent insights into the complexity of a conserved pathway.

The Notch signalling system: recent insights into the complexity of a conserved pathway.
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DOI:
10.1038/nrg3272
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发表时间:
2012-09
期刊:
Nature reviews. Genetics
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Notch信号将一个细胞的命运与紧邻细胞的命运联系起来,从而控制多个后生动物组织中的分化、增殖和凋亡事件。这种途径活性的扰动与几种人类遗传疾病和癌症有关。最近对果蝇基因组规模的研究揭示了一个非常复杂的基因网络,可以影响Notch活性。这种高度互联的网络与我们传统的Notch途径观点形成鲜明对比,即Notch途径是一个简单的线性事件序列。虽然我们现在对基因组控制这种基本信号机制的方式有了前所未有的了解,但我们在分析Notch信号控制的潜在分子机制方面面临着严峻的挑战。
Notch signalling links the fate of one cell to that of an immediate neighbour and consequently controls differentiation, proliferation and apoptotic events in multiple metazoan tissues. Perturbations in this pathway activity have been linked to several human genetic disorders and cancers. Recent genome-scale studies in Drosophila melanogaster have revealed an extraordinarily complex network of genes that can affect Notch activity. This highly interconnected network contrasts our traditional view of the Notch pathway as a simple linear sequence of events. Although we now have an unprecedented insight into the way in which such a fundamental signalling mechanism is controlled by the genome, we are faced with serious challenges in analysing the underlying molecular mechanisms of Notch signal control.
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影响因子: --
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