由于那些干细胞来自胎儿，它们本来就是要通过自身繁殖来形成新的人体组织，因此理论上它们具有产生肿瘤的潜在可能。
The theory is that because these stem cells are fetal cells, they are designed to proliferate and give rise to new tissue, which means they have the potential to produce tumors.
使用干细胞技术，由richardr. Berhringer博士带领的德克萨斯州M.D.A nderson肿瘤中心的生殖科学家们利用两只公鼠成功繁殖出雌性和雄性老鼠后代。
Using stem cell technology, reproductive scientists in Texas, led by Dr. Richard r. Berhringer at the M.D. Anderson Cancer Center, have produced male and female mice from two fathers.
但研究表明，尽管受药物干扰，受体仍然可以给肿瘤细胞提供营养支持，从而促进肿瘤细胞生长繁殖。
But it turns out that the receptor, despite interference from the drugs, also helps the cancer cells thrive by helping to assure their food supply.
端粒酶与细胞生长、繁殖、衰老及肿瘤的发生密切相关。
Telomerase is closely related with cell growth, proliferation, senescence and carcinogenesis.
免疫系统杀死癌细胞，就像食肉者猎杀弱者。能存活和繁殖的肿瘤细胞是那些对掠夺建立起防御系统者。
The immune system often kills tumor cells like a predator hunting prey, and the tumor cells that develop defenses against the predation are the ones that survive and reproduce.
复制意味着病毒还在不断繁殖并感染癌细胞周边细胞，而不仅仅是影响到它直接接触的肿瘤细胞。
Replication means that the virus is reproducing and infecting neighboring cancer cells, rather than just infecting tumor cells it directly came into contact with.
本文通过两例视网膜母细胞瘤的电镜观察发现核膜增厚、核膜分离等反映肿瘤细胞繁殖快，恶性度大的现象。
An electron microscopic observation has been made on 2 retinoblastomas, which showed thickened and separated karyolemma, indicating that the tumor cells were breeding fast and the malignancy was high.
本文通过两例视网膜母细胞瘤的电镜观察发现核膜增厚、核膜分离等反映肿瘤细胞繁殖快，恶性度大的现象。
An electron microscopic observation has been made on 2 retinoblastomas, which showed thickened and separated karyolemma, indicating that the tumor cells were breeding fast and the malignancy was high.
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