Cadherin-7 function in zebrafish development.

Cadherin-7 function in zebrafish development.
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DOI:
10.1007/s00441-008-0664-y
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发表时间:
2008-10
影响因子:
3.6
通讯作者:
Wilson, Amy L.
Wilson, Amy L.
中科院分区:
生物学3区
文献类型:
--
作者:
Liu, Qin;Marrs, James A.;Londraville, Richard L.;Wilson, Amy L.

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钙粘蛋白细胞粘附分子在脊椎动物发育中起着至关重要的作用。大多数研究都集中在检查经典 I 型钙粘蛋白(例如钙粘蛋白-2)在脊椎动物发育中的功能。关于经典 II 型钙粘蛋白(例如 cadherin-7)在脊椎动物发育中的功能的信息很少。我们之前表明,cadherin-7 mRNA 在胚胎斑马鱼的中枢神经系统和脊索中表现出动态表达模式。为了深入了解 cadherin-7 在这些结构形成中的作用,我们分析了注射 cadherin-7 特异性反义吗啉寡核苷酸 (MO) 的斑马鱼胚胎中它们的形成。在注射 MO 的胚胎中,脊索发育受到严重破坏,而在注射 MO 的胚胎中没有检测到中枢神经系统发育的严重缺陷。我们的结果表明cadherin-7在斑马鱼脊索的正常发育中起着重要作用。
Cadherin cell adhesion molecules play crucial roles in vertebrate development. Most studies have focused on examining functions of classical type I cadherins (e.g. cadherin-2) in the vertebrate development. There is little information on the function of classical type II cadherins (e.g. cadherin-7) in vertebrate development. We previously showed that cadherin-7 mRNA exhibited a dynamic expression pattern in the central nervous system and notochord in embryonic zebrafish. To gain insight into cadherin-7 role in the formation of these structures, we analyzed their formation in zebrafish embryos injected with cadherin-7 specific antisense morpholino oligonucleotides (MO). Notochord development was severely disrupted in MO-injected embryos, whereas gross defects in central nervous system development were not detected in MO-injected embryos. Our results show that cadherin-7 plays an important role in the normal development of the zebrafish notochord.
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