SR/ER-mitochondrial local communication: calcium and ROS.
SR/ER-mitochondrial local communication: calcium and ROS.
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DOI:
10.1016/j.bbabio.2009.06.004
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发表时间:
2009-11
影响因子:
4.3
通讯作者:
Hajnoczky, Gyoergy
中科院分区:
文献类型:
--
作者:
Csordas, Gyoergy;Hajnoczky, Gyoergy
Mitochondria form junctions with the sarco/endoplasmic reticulum (SR/ER), which support signal transduction and biosynthetic pathways and affect organellar distribution. Recently, these junctions have received attention because of their pivotal role in mediating calcium signal propagation to the mitochondria, which is important for both ATP production and mitochondrial cell death. Many of the SR/ER-mitochondrial calcium transporters and signaling proteins are sensitive to redox regulation and are directly exposed to the reactive oxygen species (ROS) produced in the mitochondria and SR/ER. Although ROS has been emerging as a novel signaling entity, the redox signaling of the SR/ER-mitochondrial interface is yet to be elucidated. We describe here possible mechanisms of the mutual interaction between local Ca2+ and ROS signaling in the control of SR/ER-mitochondrial function.
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