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Shanghai and Hong Kong researchers unlocks key heart repair mechanism_我的网站

A |     (ECNS) -- A joint research team from Shanghai and Hong Kong published a landmark study in the journal Science on Friday, revealing the mechanisms behind the heart's innate emergency blood-supply pathway. The discovery could lead to game-changing treatments for acute myocardial infarction.    The 10-year collaborative project, jointly led by researcher Zhou Bin of the Center for Excellence in Molecular Cell Science at the Chinese Academy of Sciences (CAS) and Professor Kathy Lui of the Chinese University of Hong Kong, found that when major cardiac arteries are blocked during a heart attack, tiny capillaries – previously regarded as mere narrow “side paths” – are reprogrammed to remodel themselves into functional collateral arteries.    These spontaneous new vessels act as natural bypass channels, rerouting blood around blocked sections to rescue damaged heart tissue. The finding overturns the longheld belief that collateral arteries can only arise from preexisting arterial structures.    The breakthrough paves the way for targeted therapies to stimulate the heart to grow its own life-saving networks, offering a promising new treatment direction for all types of ischemic heart disease.    (By Intern Lin Qiaochu, Zhang Dongfang)                    。

B | 据美国航天局介绍，1月11日下午，嫦娥四号登陆器和玉兔二号巡逻队工作正常。在喜鹊桥中继卫星的支持下，成功完成了相互拍摄。地面接收到的图像清晰完整。中外科学有效载荷工作正常。

C | 检测数据的有效下载和科学实验项目的顺利实施，标志着长安四工程的成功。

D | 第一次任务是成功的。到目前为止，中国的探月工程已经完成了“五次世界大战五次流沙”。目前，国家航空航天局已经发布了玉兔2号和嫦娥4号的高清晰度地图：玉兔2号巡逻全景相机拍摄的嫦娥4号着陆器，嫦娥4号着陆器地形相机拍摄的玉兔2号巡逻成像研究人员基于导航相机拍摄的着陆地形信息，进行了路径规划。

E | 巡警，并通过“雀桥”接力之星。发送了用于拍照的遥控命令。巡逻全景照相机对着陆器成像，着陆器地形照相机对着陆器成像。经过对地面数据的接收和处理，在1647小时后，着陆器和巡逻机的互像显示在北京航天飞行控制中心的大屏幕上。图像清楚地显示了登陆器和探险家周围的月球地形，两辆车上的五星红旗特别醒目。

F | 1月3日，嫦娥四号成功降落在月球背面的首选区域，完成了中继卫星链路连接、有效载荷引导、两台设备分离、探月员在月球正午休眠和唤醒、两台设备相互射击等任务。项目任务完成后，长安四号将进入科学探索阶段。登陆车和巡逻队将继续进行原位探测和月球巡逻探测。

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Published on:14:09:18