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Split genetically encoded calcium indicators for interorganellar junctions

delete2025-05-13
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OA
AI
S
Shunit Olszakier
W
Wessal Hussein
R
Ronit Heinrich
M
Michael Andreyanov
A
Achinoam Blau
Y
Yara Otor
J
Jackie Schiller
S
Shai Kellner
S
Shai Berlin *
DOI:10.1073/pnas.2415268122delete
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摘要

摘要

En 中文
基因编码的钙离子指示剂(GECIs)已彻底改变了细胞钙信号的研究,为实时光学监测钙动态提供了强大工具。尽管当代GECIs可靶向多种细胞器,但目前尚无方法能在细胞器间连接处特异性地获取活性且功能性的GECIs。为解决这一空白,我们开发了一套绿色和红色GECIs的分裂版本工具箱,其设计为仅当两半部分相互接近时才重新组装。我们开发了分裂探针以探究线粒体与内质网(通过split-MEGIC)或质膜与内质网(通过split-sf-MEMBER)之间的细胞器间连接性和活动。我们应用各种分裂传感器对体外和体内的神经Ca2+活动进行成像,并在过程中通过使用split-MEGIC识别了线粒体-内质网连接处以及单个树突棘内的钙活动。
Keyword:
split |
organelle
spine
neurons
calcium

期刊

P
Proceedings of the National Academy of Sciences of the United States of America
IF:
9.1
论文数:
10.8W
被引数:
73.5W

机构

T
Technion Israel Inst Technol
学者数:
710
论文数: 320
被引数: 114
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