PNAS：心脏能够再生吗？答案是“YES”

2017-07-01 佚名生物探索

近期，《PNAS》期刊发表一篇题为“Antagonistic BMP–cWNT signaling in the cnidarian Nematostella vectensis reveals insight into the evolution of mesoderm”的文章，揭示了一个奇妙的发现：来自于佛罗里达大学的研究团队在一种没有心脏组织的海洋动物——海葵（Starlet sea ane

近期，《PNAS》期刊发表一篇题为“Antagonistic BMP–cWNT signaling in the cnidarian Nematostella vectensis reveals insight into the evolution of mesoderm”的文章，揭示了一个奇妙的发现：来自于佛罗里达大学的研究团队在一种没有心脏组织的海洋动物——海葵（Starlet sea anemone）的肠道细胞中发现了形成人类及其他动物心脏细胞的基因。要知道，海葵是一种构造非常简单的食肉动物，没有骨骼、没有大脑，是海洋中寿命最长的动物。它神奇的地方在于，即便被切割成多个片段，每一片依然能够发育成新的个体。为什么海葵拥有如此强大的再生能力而人类心脏却不能呢？Mark Martindale带领团队分析了海葵的“心脏基因”，发现这些基因互作时存在差异。研究人员推测正是因为这个特别的差异，海葵才拥有超级厉害的再生能力。原肠胚（gastrulation）是后生动物进化出多样性的关键，它允许动物胚胎形成不同的胚层和特定的分化。在胚胎发育过程中，β-连环蛋白/Tcf和TGF-β骨形态形成蛋白（

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2017-07-24 drwjr

#PNAS#

36 0
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2017-07-15 1e1263e3m20(暂无匿称)

涨见识了多谢分享

72 0
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2017-07-03 明天会更好！

感谢分享！继续关注！

78 0
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2017-07-03 惠映实验室

学习了，谢谢

67 0
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2017-07-03 133****4869

新奇与展望。

63 0
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2017-07-02 1e10c84am36(暂无匿称)

文章很好，值得拜读

60 0
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2017-07-02 184****9840

学习了受益匪浅

25 0
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2017-07-01 thlabcde

好东西学习了！

28 0

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