氮-2'-脱氧胞苷等去甲基化药物作为抗肿瘤药物的效应，归因于两种机制：细胞毒性和诱导低甲基化。
The efficacy of hypomethylating agents (e. g. 5 aza 2′ deoxycytidine) as antineoplastic agents has been attributed to two distinct mechanism: cytotoxicity and induction of hypomethylation.
实验结果表明松材线虫本身不产生毒素，在荧光假单胞菌培养液的无细胞滤液中加入无菌松材线虫未能显著改变其毒性。
Results also showed that pine wood nematode itself neither produced phytotoxin nor affected the toxicity of extracts from the culture of bacterium after the addition of it.
目的用染色体畸变试验和胞质阻断微核试验来评价职业性接触抗癌药物的护士的遗传毒性危险性。
Objective to evaluate their genotoxic risk in nurses occupationally exposed to antineoplastic drugs with chromosomal aberration test and cytokinesis-block micronucleus (CBMN) test.
病毒性肺炎最常见的病原是流感病毒，副流感病毒，腺病毒，以及呼吸道合胞体病毒(RSV主要发生于儿童)。
The most common causes for viral pneumonia are influenza, parainfluenza, adenovirus, and respiratory syncytial virus (RSV appears mostly in children).
病毒性肺炎最常见的病原是流感病毒，副流感病毒，腺病毒，以及呼吸道合胞体病毒(RSV主要发生于儿童)。
The most common causes for viral pneumonia are influenza, parainfluenza, adenovirus, and respiratory syncytial virus (RSV appears mostly in children).
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