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血液检测将可能在症状出现前4年检出癌症

Experimental Blood Test Detects Cancer up to Four Years before Symptoms Appear

For years scientists have sought to create the ultimate cancer-screening test—one that can reliably detect a malignancy early, before tumor cells spread and when treatments are more effective. A new method reported today in Nature Communications brings researchers a step closer to that goal. By using a blood test, the international team was able to diagnose cancer long before symptoms appeared in nearly all the people it tested who went on to develop cancer.

多年来,科学家们一直在寻找一种终极的癌症筛查测试方法,希望能在肿瘤细胞扩散前以及治疗更有效的时候可靠地发现恶性肿瘤。今天《自然通讯》上报道的一种新方法离这个目标又近了一步。通过血液检测,国际研究小组能够在几乎所有的癌症患者出现症状之前就诊断出癌症。

“What we showed is: up to four years before these people walk into the hospital, there are already signatures in their blood that show they have cancer,” says Kun Zhang, a bioengineer at the University of California, San Diego, and a co-author of the study. “That’s never been done before.”

加州大学圣地亚哥分校的生物工程师、该研究的合作研究者张坤说:“我们的研究表明,在患者住院的四年前,他们的血液中就已经有癌症的迹象。”“这是之前从未发现过的。”

Read more at Scientific American

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