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迄今为止,细胞恶变的各种原因,未查明。美国马萨诸塞州中心医院血液肿瘤科医生维伊茨曼和什托谢尔认为:正常细胞变成恶性细胞,有时是发生于某些慢性炎症(如:溃疡性结肠炎)的过程中,这可能与进入炎症组织的白细胞的活动有关。为了验证这种推测,他们用细菌做了实验:采用TA94和TA98两种鼠伤寒杆菌,接种于普通微生物不能生长的缺乏组氨酸的培
To date, various causes of malignant cells have not been identified. Witzman and Storscher, a blood oncologist at the Central Hospital of Massachusetts in the United States, argue that normal cells become malignant and sometimes occur in some chronic inflammations, such as ulcerative colitis, which may be related to Involved in the activity of inflammatory tissue leukocytes. In order to test this hypothesis, they used bacteria to do experiments: using TA94 and TA98 two Salmonella typhimurium, inoculated in ordinary microorganisms can not grow lack of histidine training