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New Study Reveals We Have One Thing to Thank Gonorrhea For_我的网站

一 |     8月26日讯 根据西媒RAC1报道，由于上周日对阵埃尔切赛前一名巴萨球迷遭警方暴力对待，巴萨正在研究是否取消原定周四在诺坎普为西班牙世界杯冠军球员举行的致敬仪式。    Researchers from the University of California's San Diego School of Medicine have found that gonorrhea, as unpleasant as it is, might be the reason that our grandparents even exist.,Humans are among the few species that continue to live after menopause, which might be because of the evolution-proven support that older women provide when it comes to raising children.,The new findings suggest that pressure from pathogens like gonorrhea developed human gene mutations that protected elderly people from cognitive decline and made sure they could live longer.,The discovery comes by comparing human and chimpanzee genomes. The comparison revealed that humans have their own unique version of the gene for CD33, a receptor in immune cells that plays an important role in binding to a type of sugar called sialic acid. Human cells are coated with it and it helps immune cells "recognize" other cells and not attack them.,"Somewhere along the evolutionary line, humans picked up an additional mutated form of CD33 that is missing the sugar-binding site," the authors said. "The mutated receptor no longer reacts to sialic acids on damaged cells and plaques, allowing the microglia to break them down. Indeed, higher levels of this CD33 variant were independently found to be protective against late-onset Alzheimer's.",It would seem that CD33 was selected by evolution for its survival advantages, later making sure that humans were able to have big families that represent several generations. All of this, albeit indirectly, thanks to gonorrhea.。

二 | 相关新闻——西媒：巴萨球迷遭暴力对待，西班牙内政大臣下令对警方进行调查报道指出，俱乐部未来几小时将与西班牙足协协商后做出最终决定。目前为八名巴萨球员举行的致敬仪式悬而未决，一切迹象表明活动将取消。该仪式原定在巴萨本赛季首个主场比赛：周四对阵毕尔巴鄂竞技的赛前举行。关于埃尔切主场周围发生的没收“星旗”和警棍殴打球迷事件，俱乐部已发布强硬声明，并促使加泰罗尼亚全国大会决定在周四比赛时向到场球迷分发一万面“星旗”。

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