所有这三种受影响的基因通过编码酶调节溶解体，溶解体是细胞废物处理单元。
All three affected genes encode enzymes that regulate lysosomes, the cell's waste-disposal units.
一些污染物会开启基因，使其释放致炎化学物；另一些污染物召集免疫细胞，通过抗炎机制抵抗侵入物并清除废物。
Some pollutants turn on genes that release inflammatory chemicals, others call out immune cells that quash invaders and clean up trash using inflammatory mechanisms.
最近科学家也开始怀疑干扰废物处理系统的元凶也是朊病毒，而且这样的干扰也可以解释他们如何摧毁大脑的神经细胞。
Recently scientists have started to think that prions might also disrupt the rubbish-disposal system, and that such interference might explain how they destroy nerve cells in the brain.
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