An integrin-ILK-microtubule network orients cell polarity and lumen formation in glandular epithelium.

An integrin-ILK-microtubule network orients cell polarity and lumen formation in glandular epithelium.
复制标题

DOI:
10.1038/ncb2646
复制
发表时间:
2013-01
影响因子:
21.3
通讯作者:
--
中科院分区:
生物学1区
文献类型:
--
作者:

文献摘要

参考文献

被引文献

相似文献

细胞外基质在决定上皮极性的空间取向和腺组织中管腔的形成中具有至关重要的作用,然而潜在的机制仍然是难以捉摸的。通过使用Cre-Lox缺失,我们表明β1-整合素是正常乳腺形态发生和管腔形成所必需的,无论是在体内还是在上皮细胞直接接触基底膜的3D原代培养模型中。在基底膜-β1-整联蛋白的下游,Rac 1不参与,但是需要ILK来使基底外侧膜处的微管+末端稳定,并且破坏这些组分中的每一个防止管腔形成。整合素微管轴是必要的顶端蛋白质从基底膜细胞界面的内吞去除和内部高尔基体定位。我们建议,这种整合素信号网络控制顶端组件的正确表面的交付,从而管理的极性和管腔的发展方向。
The extracellular matrix has a crucial role in determining the spatial orientation of epithelial polarity and the formation of lumens in glandular tissues, however the underlying mechanisms remain elusive. By using Cre-Lox deletion we show that β1-integrins are required for normal mammary gland morphogenesis and lumen formation, both in vivo and in a 3D primary culture model where epithelial cells directly contact basement membrane. Downstream of basement membrane-β1-integrins, Rac1 is not involved, however ILK is needed to polarize microtubule plus ends at the basolateral membrane and disrupting each of these components prevents lumen formation. The integrin-microtubule axis is necessary for the endocytic removal of apical proteins from the basement membrane-cell interface and for internal Golgi positioning. We propose that this integrin-signalling network controls the delivery of apical components to the correct surface and thereby governs the orientation of polarity and development of lumens.
DOI: 10.1126/scisignal.2000396
发表时间: 2009-09-08
期刊: Science signaling
影响因子: 7.3
作者:
Humphries JD;Byron A;Bass MD;Craig SE;Pinney JW;Knight D;Humphries MJ
通讯作者: Humphries MJ
RAC1将整合素介导的粘附连接到控制乳腺上皮中泌乳分化的粘附。
DOI: 10.1083/jcb.200601059
发表时间: 2006-06-05
期刊: The Journal of cell biology
影响因子: --
作者:
Akhtar N;Streuli CH
通讯作者: Streuli CH
DOI: 10.1093/emboj/19.15.3990
发表时间: 2000-08-01
期刊: EMBO JOURNAL
影响因子: 11.4
作者:
Brakebusch, C;Grose, R;Fässler, R
通讯作者: Fässler, R
DOI: 10.1083/jcb.109.6.2817
发表时间: 1989-12
期刊: The Journal of cell biology
影响因子: --
作者:
Bacallao R;Antony C;Dotti C;Karsenti E;Stelzer EH;Simons K
通讯作者: Simons K
DOI: 10.1083/jcb.200503144
发表时间: 2005-11-21
影响因子: 7.8
作者:
Naylor, Matthew J;Li, Na;Cheung, Julia;Lowe, Emma T;Lambert, Elise;Marlow, Rebecca;Wang, Pengbo;Schatzmann, Franziska;Wintermantel, Timothy;Schuetz, Gunther;Clarke, Alan R;Mueller, Ulrich;Hynes, Nancy E;Streuli, Charles H
通讯作者: Streuli, Charles H