Visualising reactive oxygen species in live mammals and revealing of ROS-related system

文献类型： 外文期刊

第一作者： Guo, Jingke

作者： Guo, Jingke;Dai, You;Zhou, Jianwu;Ke, Lijing;Ding, Wei;Gao, Guanzhen;Wang, Huiqin;Chen, Qi;Yu, Xiaowei;Chen, Han;Rao, Pingfan;Guo, Jingke;Liu, Shutao;Lin, Chuntong;Rao, Pingfan;Xu, Hang;Wang, Zicai;Lu, Jianzhi;Zheng, Shusen;Xu, Dazheng;Zhang, Xin;Guo, Yi;Lin, Yingjie;Sun, Xicui;Li, Zhe;Zheng, Shuyu;Wang, Jiaqi;Cheng, Yanglei;Hu, Yuqiu;Huang, Penghan;Ho, Sherry;Gu, Huaiyu;Cheng, Xi;Xu, Mingming;Qin, Lina;Qiu, Shuai;Wu, Qiming;Li, Yubo;Chen, Tianbao;Shaw, Chris;Wang, Qiang

作者机构：

关键词： Connective tissue; cynomolgus monkey; electron; mitochondria; reactive oxygen species

期刊名称：FREE RADICAL RESEARCH （ 影响因子：4.148； 五年影响因子：3.917 ）

ISSN： 1071-5762

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收录情况： SCI

摘要： Of all the aerobic respiration by-products, cytotoxic superoxide derived from mitochondrial-leaked electrons, is the only one known to be disposed of intracellularly. Is this fate the only destiny for mitochondrial-leaked electrons? When Cynomolgus monkeys were injected intravenously with reactive oxygen species (ROS) indicators, the connective tissues of dura mater, facial fascia, pericardium, linea alba, dorsa fascia and other body parts, emitted specific and intense fluorescent signals. Moreover, the fluorescent signals along the linea alba of SD rats, did not result from the local presence of ROS but from the interaction of ROS indicators with electrons flowing through this tissue. Furthermore, the electrons travelling along the linea alba of mice were revealed to originate from mitochondria. These data suggest that mitochondrial-leaked electrons may be transported extracellularly to a hitherto undescribed system of connective tissues, which is pervasively networked, electrically conductive and metabolically related.

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