Accessorizing and anchoring the LINC complex for multifunctionality.

Accessorizing and anchoring the LINC complex for multifunctionality.
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DOI:
10.1083/jcb.201409047
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发表时间:
2015-01-05
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Gundersen GG
Gundersen GG
中科院分区:
其他
文献类型:
--
作者:
Chang W;Worman HJ;Gundersen GG

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核骨架和细胞骨架(LINC)复合物的连接体,由外和内核膜Klarsicht,ANC-1,和Syne同源(KASH)和Sad 1和Sad-84(SUN)蛋白组成,分别连接细胞核和细胞骨架丝,并执行多种功能,包括核定位,机械转导,和减数分裂染色体运动。最近的研究通过鉴定赋予特定功能的复合物相关因子以及在细胞核内差异性锚复合物的因子,揭示了这种多样性的来源。额外的多样性可以由辅助因子提供,辅助因子将复合物重新组织成更高阶的阵列。由于LINC复合物的核心组分与多种疾病相关,因此了解辅助蛋白和锚定蛋白的作用可以为致病机制提供见解。
The linker of nucleoskeleton and cytoskeleton (LINC) complex, composed of outer and inner nuclear membrane Klarsicht, ANC-1, and Syne homology (KASH) and Sad1 and UNC-84 (SUN) proteins, respectively, connects the nucleus to cytoskeletal filaments and performs diverse functions including nuclear positioning, mechanotransduction, and meiotic chromosome movements. Recent studies have shed light on the source of this diversity by identifying factors associated with the complex that endow specific functions as well as those that differentially anchor the complex within the nucleus. Additional diversity may be provided by accessory factors that reorganize the complex into higher-ordered arrays. As core components of the LINC complex are associated with several diseases, understanding the role of accessory and anchoring proteins could provide insights into pathogenic mechanisms.
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