这种基因能生成一种蛋白质，这种蛋白质能把毒素排出细胞外，这也是肿瘤细胞对化疗药物产生抗药性的主要原因。
The gene makes a protein that pumps toxin out of cells, and is a major cause of the resistance that tumors often develop toward chemotherapeutic agents.
食品毒素残留事件由海南最先被发现，虽然早在2004年就已经在海南已经禁用，但是因其低价，加上在偏远、疏于监管的地区很难被发现的原因，在海南化学品的使用还是普遍现象。
They originated in Hainan where the chemical was banned in 2004 but remained popular among farmers because of its cheap price and the low risk of discovery in a remote poorly regulated region
有害藻类的大量繁殖是导致鱼类死亡的常见原因。如果一些动物食用了神经毒素中毒的鱼类，软骨藻酸也会导致这些动物神经系统紊乱甚至死亡。
Harmful algae blooms are a common cause of fish kills. Domoic acid can also cause neurological disorders and death in animals that eat fish poisoned with the neurotoxin.
到目前为止，各种各样可造成胆汁淤积的原因包括遗传、代谢、炎症以及药物或毒素导致的疾病，给医生诊断某种特定疾病带来了挑战。
Until now, the broad array of causes of cholestasis including genetic, metabolic, inflammatory and drug- or toxin- induced disorders, created a challenge for physicians to diagnose a specific disease.
我们还增加了强大的排毒成分，这将有助于你的身体排除毒素，是各种健康问题的原因本身。
We've also added powerful detox ingredients that will help your body rid itself of toxins that are the cause of various health problems.
突变体在毒素作用下，具有较强的防御酶活性，而细胞内膜系统破坏较小则是产生较强抗性的原因。
The mutant under the action of toxin has the ability to increase the defensive enzyme activity and to reduce the damage of cell membrane system that would result in resistance increasing.
其中一些毒素是经济原因。
他说，有些耐药基因是非常古老的，原因通常是它们需要保护细菌不受毒素的侵袭。
Some resistance genes are very old, he says, often because they protect bacteria against toxins.
在此基础上的进一步研究认为，同安肝癌发病的主要原因，是HBV感染、食品黄曲霉毒素污染和饮水污染等多因素综合作用的结果。
The further research on the basis indicated that the high incidence of PLC is mainly caused by multifactorial comprehensive effects, including HBV infection, …
目前研究认为，肠源性内毒素血症是HS继发ALI的主要原因。
At present, gut origin endotoxemia is deemed to be a major reason for ALI after HS.
目的了解内毒素与细胞因子之间的关系，以澄清造成肝病的细胞因子变化的可能原因。
Objective to research for the relationship between endotoxin and cytokine levels and so as to clarify the possible cause of change of cytokines in liver diseases.
当国立卫生研究院的免疫学家Daniel Douek，向研究小组的成员建议内毒素可能是一个关键原因，但一些人持怀疑态度。
When Daniel Douek, an NIH immunologist suggested to members of the study team that endotoxins might be a key reason why, some were skeptical.
结论严重颅脑损伤后可出现明显的内毒素血症及炎性细胞因子反应，内毒素可能是引起和加重继发性脑损伤的原因之一。
Conclusion Obvious endotoxemia and inflammatory cytokine reaction may appear early in severe brain trauma. Endotoxin is likely one of the cause resulting in and aggravating secondary brain injury.
结论严重颅脑损伤后可出现明显的内毒素血症及炎性细胞因子反应，内毒素可能是引起和加重继发性脑损伤的原因之一。
Conclusion Obvious endotoxemia and inflammatory cytokine reaction may appear early in severe brain trauma. Endotoxin is likely one of the cause resulting in and aggravating secondary brain injury.
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