很多监测研究证明的高敏感性，个别报告有医院获得性耐药株。
While most surveillance studies demonstrated high rates of susceptibility, several reports noted the emergence of polymyxin-resistant nosocomial pathogens.
或者，当肿瘤最初响应于治疗但对随后的治疗变得难以治愈时，就会导致获得性耐药性。
Alternatively, acquired drug resistance results when tumors initially respond to therapy but become refractory to subsequent treatments.
由于抗血管生成药物具有毒性低、不易产生获得性耐药的特点。因此，通过抑制血管生成来抑制肿瘤生长成为目前肿瘤治疗的策略之一。
As the features of angiogenesis inhibitors are of low toxicity and have less acquired resistance, it comes to a new strategy to suppress tumor growth by restraining angiogenesis.
目的：了解老年人医院获得性下呼吸道感染的病原菌分布，耐药情况及易感因素。
Objective: to investigate the pathogens distribution and resistance of lower respiratory tract infection of elder patients, and the predisposing factor for the infection.
目的了解神经外科重症监护病房（NICU）获得性肺部感染的病原菌流行病学特点及耐药情况。
Objective To investigate the prevalence of acquired pulmonary infection and the resistance of bacteria in intensive care unit of neurosurgery(NICU).
社区获得性尿路感染的病原菌耐药性高于其他地区；
The pathogenic bacteria of urethra infection in communities were higher than that of other areas.
MDR-1在鼻咽癌细胞产生获得性紫杉醇耐药的过程中不起主要作用。
The expression of MDR-1 might not contribute to acquired Paclitaxel-resistance in nasopharyngeal carcinoma.
MDR-1在鼻咽癌细胞产生获得性紫杉醇耐药的过程中不起主要作用。
The expression of MDR-1 might not contribute to acquired Paclitaxel-resistance in nasopharyngeal carcinoma.
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