Conclusions: The EBNA1 positive tumor cell strains may serve as good tools for research in EBV associated tumors.

结论：EBNA 1阳性肿瘤细胞株的建立，为体外进行EB病毒相关肿瘤的研究提供细胞模型。

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Solasonine has no effect on three malignant cell strains; on the contrary, it hastenes the growth of BEL-7402 malignant cell strains.

澳洲茄碱对上述三种细胞瘤株没有抑制作用，对BEL-7402细胞株生长反而有微弱的促进作用。

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Conclusion the established cell strains can be used as available material in genetics, and molecular biology and other related studies.

结论所建成的这些细胞株可进一步为遗传学及分子生物学的研究提供随时可取的实验材料。

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How or why this might happen remains unknown, but it may be due to competition between different mitochondrial strains within a cell.

ECONOMIST: Trojan DNA

New viruses are formed when two different strains infect the same cell and exchange whole genes - a process known as genetic shift.

BBC: Winter bugs: A yearly battle for dominance

Chiron is racing to finish late-stage trials of a method that grows strains within clones of a 1980s-era dog kidney cell.

FORBES: Broken Eggs