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A ‘Game Changer’ For Organ Transplants: Blood Type of Donor Kidneys Altered in Breakthrough Research_我的网站

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【环球网报道】“卢卡申科承诺用木柴帮助欧洲人,不让其在冬天被冻坏”,俄新社14日这样报道白俄罗斯总统卢卡申科日前发表的言论。

B |     Breakthrough new research could significantly increase supply of organs for people with rarer blood types waiting for a transplant, reported The Guardian.,A team of scientists from the University of Cambridge have successfully altered the blood type of three donor kidneys. By flushing blood infused with a special enzyme through a human kidney the scientists removed the blood type markers lining the blood vessels of the organ.,The procedure required using a device that is connected with a donor’s kidney to pass oxygenated blood through it - a normothermic perfusion machine. As a result, the organ was converted to type O, considered the universal donor.,Blood Group Compatible,As the blood type of a donor must be compatible with the recipient’s, the new development could increase the supply of kidneys available for transplant.,A kidney from someone with blood type A cannot be transplanted to someone with blood type B, or visa versa. In such a case, the receiving body’s immune system would reject the new organ, interpreting the different blood type as foreign.,So changing the blood type to the universal O would mean the donor organ could be used for people with any blood type.,“Our confidence was really boosted after we applied the enzyme to a piece of human kidney tissue and saw very quickly that the antigens were removed. After this, we knew that the process is feasible, and we just had to scale up the project to apply the enzyme to full-size human kidneys,” Serena MacMillan, a PhD student at the University of Cambridge, said.,Scientists involved in the research, funded by charity Kidney Research UK and due to be published in the British Journal of Surgery, clarified that the outcome might have particular implications for minority ethnic groups.,Science & TechGood News for ABs: Scientists Can Now Change People's Blood Type21 February, 16:34 GMT,Some blood groups such as O Rh positive and B Rh positive are more prevalent among black, Asian and minority ethnic communities. To complicate matters further, some rare blood types are only found within the black, Asian and minority ethnic communities,This typically places them at a disadvantage, as they struggle to find a match. With low donation rates from these populations, stressed the researchers, sometimes such patients wait for as long as over a year for a compatible donor. They cited figures from 2020-21 showing that just over 9% of total organ donations in the UK came from black and minority ethnic donors. On the other hand, black and minority ethnic patients make up 33% of the kidney transplant waiting list.,“It’s very exciting to think about how this could potentially impact so many lives,” added Serena MacMillan.,The “potentially gamechanging” research was applauded by Dr Aisling McMahon, the executive director of research at Kidney Research UK.,The scientists will now test the reintroduction of other blood types and observe how the novel approach in clinical settings.。综合俄新社、塔斯社报道,与白俄罗斯总统新闻局有关的Telegram账号“Пул Первого”14日发布了一段视频,显示了卢卡申科与白俄罗斯商人谢尔盖·杰特林边劈柴边交谈的场景。卢卡申科在视频刚开始时对杰特林说,“我们不会让欧洲人被冻坏,我们会帮助我们的兄弟们。或许他们什么时候也会帮助我们”。卢卡申科这里未明确说明,具体会向欧洲提供什么帮助,不过,塔斯社、俄新社等俄媒均解读称,他指的是通过供应木柴来帮助欧洲。

C | 两人紧接着谈论起木柴所属树种。卢卡申科认为,现在欧洲没有必要选择木柴要来自枞树还是白桦树,“只要暖和就行”。在油气价格飙升背景下,今冬不少欧洲家庭要烧木柴取暖,木柴价格迎来一波暴涨。据欧盟官方新闻网站Euractiv本月7日报道,保加利亚木柴价格已从2021年的每立方米40-50欧元窜升至如今的100-150欧元。在匈牙利,当地媒体预计今冬将出现木柴短缺,价格可能飙升一半以上。波兰和斯洛伐克的木柴价格也比去年翻了约一番。社会组织人士表示,政府如不采取措施补贴并打击木柴囤积,将可能出现“灾难性后果”。欧洲多国已经开始采取相关措施,包括禁止木柴出口,放宽树木采伐等,同时也在打击非法伐木问题抬头。

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