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Extended culture of mouse embryo cells without senescence: inhibition by serum

Science 236(4798): 200-202
Extended culture of mouse embryo cells without senescence: inhibition by serum
Mouse embryo cells cultured in vitro in serum-supplemented media undergo growth crisis, resulting in the loss of genomically normal cells prior to the appearance of established, aneuploid cells lines. Mouse embryo cells established and maintained for multiple passages in the absence of serum did not exhibit growth crisis or gross chromosomal aberration. Cells cultured under these conditions were dependent on epidermal growth factor for survival. Proliferation was reversibly inhibited by serum or platelet-free plasma, suggesting that mouse embryo cultures maintained by conventional procedures are under the influence of inhibitory factors.

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Accession: 005432563

PMID: 3494308

DOI: 10.1126/science.3494308

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