The Arp2/3 complex is crucial for colonisation of the mouse skin by melanoblasts.

The Arp2/3 complex is crucial for colonisation of the mouse skin by melanoblasts.
复制标题

Arp 2/3复合物对于成黑素细胞在小鼠皮肤上的定殖至关重要。

DOI:
10.1242/dev.194555
复制
发表时间:
2020-11-15
期刊:
Development (Cambridge, England)
影响因子:
--
通讯作者:
Machesky LM
Machesky LM
中科院分区:
其他
文献类型:
--
作者:
Papalazarou V;Swaminathan K;Jaber-Hijazi F;Spence H;Lahmann I;Nixon C;Salmeron-Sanchez M;Arnold HH;Rottner K;Machesky LM

文献摘要

参考文献

相似文献

Arp 2/3复合物对于分支丝状肌动蛋白的组装是必不可少的,但其在生理学和发育中的作用令人惊讶地知之甚少。源自神经嵴的成黑素细胞沿着发育中的胚胎迁移并穿过真皮到达表皮,在皮肤上定殖并最终在毛囊内归巢。我们先前已经确定Rac 1和Cdc 42在体内指导成黑素细胞迁移。我们推测Arp 2/3复合物可能是这些小GTP酶的主要下游效应物。黑素细胞谱系中的Arp 3缺失导致小鼠皮肤背侧和腹侧区域中的严重色素沉着缺陷。Arp 3空黑素细胞表现出增殖和迁移缺陷,并且不能像它们的野生型对应物那样伸长。原代黑素细胞中Arp 3的条件性缺失导致不适当的增殖、扩散、迁移和粘附到细胞外基质。总的来说,我们的研究结果表明,Arp 2/3复合物是绝对不可缺少的黑素细胞谱系在小鼠的发展,并表明在发展过程中,需要严格的肌动蛋白介导的运动调节的重要作用。摘要:这项研究表明,Arp 2/3依赖的分支肌动蛋白组件是必不可少的黑素细胞填充发育中的小鼠胚胎的皮肤。
The Arp2/3 complex is essential for the assembly of branched filamentous actin, but its role in physiology and development is surprisingly little understood. Melanoblasts deriving from the neural crest migrate along the developing embryo and traverse the dermis to reach the epidermis, colonising the skin and eventually homing within the hair follicles. We have previously established that Rac1 and Cdc42 direct melanoblast migration in vivo. We hypothesised that the Arp2/3 complex might be the main downstream effector of these small GTPases. Arp3 depletion in the melanocyte lineage results in severe pigmentation defects in dorsal and ventral regions of the mouse skin. Arp3 null melanoblasts demonstrate proliferation and migration defects and fail to elongate as their wild-type counterparts. Conditional deletion of Arp3 in primary melanocytes causes improper proliferation, spreading, migration and adhesion to extracellular matrix. Collectively, our results suggest that the Arp2/3 complex is absolutely indispensable in the melanocyte lineage in mouse development, and indicate a significant role in developmental processes that require tight regulation of actin-mediated motility. Summary: This study demonstrates that Arp2/3-dependent branched actin assembly is indispensable for melanoblasts populating the skin of the developing mouse embryo.
P-Rex1 是有效的成黑细胞迁移和黑色素瘤转移所必需的。
DOI: 10.1038/ncomms1560
发表时间: 2011-11-22
影响因子: 16.6
作者:
通讯作者: --
DOI: 10.1083/jcb.201701176
发表时间: 2017-11-06
期刊: The Journal of cell biology
影响因子: --
作者:
Böttcher RT;Veelders M;Rombaut P;Faix J;Theodosiou M;Stradal TE;Rottner K;Zent R;Herzog F;Fässler R
通讯作者: Fässler R
DOI: 10.1083/jcb.136.2.331
发表时间: 1997-01-27
影响因子: 7.8
作者:
Mullins, RD;Stafford, WF;Pollard, TD
通讯作者: Pollard, TD
DOI: 10.1152/physiolgenomics.00019.2007
发表时间: 2007-09-19
影响因子: 4.6
作者:
Hameyer, Dorothe;Loonstra, Ate;Bockamp, Ernesto
通讯作者: Bockamp, Ernesto
DOI: 10.1523/jneurosci.0035-13.2013
发表时间: 2013-04-03
期刊: The Journal of neuroscience : the official journal of the Society for Neuroscience
影响因子: --
作者:
Kim IH;Racz B;Wang H;Burianek L;Weinberg R;Yasuda R;Wetsel WC;Soderling SH
通讯作者: Soderling SH