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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)                    。    At least one person is dead after heavy rain and thunderstorms swept through Las Vegas over the weekend, the city confirmed in a statement on Sunday.The person, who was found Saturday morning, was believed to have drowned, Las Vegas spokesperson Jace Radke said in a statement. Las Vegas Fire and Rescue posted Sunday on X (formerly Twitter) that they responded to 24 swift water rescue incidents, which included 30-35 vehicles stranded in the water and 10-12 people rescued from standing or moving water. 

     The National Weather Service said Sunday that 2.55 inches of rain were recorded at the airport. Las Vegas has already seen 3.99 inches of rain so far in 2023, which is 1.17 inches above normal and only 0.19 inches below the city's normal annual precipitation, the National Weather Service said. 

             

Flooding in northern Nevada in the desert near Black Rock caused the vehicular gates at Burning Man to be closed on Saturday, stranding tens of thousands of people in the desert as the organizers called off the festival. Authorities there are investigating a possible death.                                  

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