But others worry that more frequent testing could exacerbate what already is a major problem: most prostate cancers grow so slowly that they would have been harmless if left alone.
但其他人担心频繁的检测会加剧这样一个主要问题：大多数前列腺癌生长非常缓慢，不处理亦对人体无害。
It causes what is known as "apoptosis" or programmed cell death in prostate cancer cells and also activates the immune system to fight cancer cells.
RTVP - 1基因导致前列腺癌细胞发生细胞凋亡或称程序性细胞死亡，RTVP - 1基因也激活免疫系统攻击癌细胞。
What we are thinking is long before you get a prostate cancer detected, there is some kind of change going on and PSA is leaking into the blood, he said in a telephone interview.
“我们认为，在前列腺癌患者被诊断之前的较长时间内，就会有一些变化在发生，PSA会进入至血液中，”他在一次电话采访中说。
What we are thinking is long before you get a prostate cancer detected, there is some kind of change going on and PSA is leaking into the blood, he said in a telephone interview.
“我们认为，在前列腺癌患者被诊断之前的较长时间内，就会有一些变化在发生，PSA会进入至血液中，”他在一次电话采访中说。
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