发现了Sonic Hedgehog路径的小分子调节器
Giannina I Schaefer1, José R Perez, Jeremy R Duvall
1Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138, USA.
Journal of the American Chemical Society
|June 4, 2013
概括
研究人员发现了两种新的小分子抑制剂,BRD50837和BRD9526,向Sonic Hedgehog (Shh) 信号通路. 这些化合物为研究SHH通路调节及其在癌症等疾病中的作用提供了新的机制.
科学领域:
- 生物化学 生物化学
- 分子生物学分子生物学
- 药用化学 医学化学
背景情况:
- 刺信号通路对于胚胎发育和组织平衡至关重要.
- 刺路径的失调与各种癌症和发育障碍有关.
- 目前对"刺"路径的分子理解是有限的,需要新的研究工具.
研究的目的:
- 发现和描述Sonic Hedgehog (Shh) 途径的新型小分子抑制剂.
- 探索这些新型抑制剂的结构-活性关系和作用机制.
- 提供有价值的化学探测器,以进一步调查SHH信号级联.
主要方法:
- 合成各种小分子库,包括立体化学定义的化合物.
- 扫描图书馆以确定Shh通路的强有力的抑制剂.
- 详细的机制研究,以阐明已识别的抑制剂的作用模式.
主要成果:
- 确定了两种强大的Shh通路抑制剂:BRD50837和BRD9526.
- 证明两种化合物的立体化学依赖的结构-活性关系.
- 描述与现有抑制剂 (如环胺) 不同的新型作用机制.
结论:
- BRD50837和BRD9526为剖析Shh信号通路的复杂性提供了有价值的新工具.
- 这些抑制剂的独特机制为治疗针对SHh相关疾病提供了新的途径.
- 利用这些探针进行进一步的研究将有助于我们更好地理解路径调节及其在疾病中的作用.
相关概念视频
Hedgehog Signaling Pathway
The Hedgehog gene (Hh) was first discovered due to its control of the growth of disorganized, hair-like bristles phenotype in Drosophila, much like hedgehog spines. Hh plays a crucial role in the development of organs and the maintenance of homeostasis in both invertebrates and vertebrates. However, while Drosophila has only one Hh protein, mammals have multiple functional Hedgehog proteins - Sonic (Shh), Desert (Dhh), and Indian Hedgehog (Ihh). All of these homologous proteins have adapted to...
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The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...
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Direct cell-to-cell contact is needed for the activation of Notch signaling. The signal is initiated when a notch ligand binds to a receptor on an adjacent cell, also...
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