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Cytogenetic Analysis of Murine Embryo-derived Tumors

  • R. J. van Berlo
  • , B. de Jong
  • , J. W. Oosterhuis
  • , T. Dijkhuizen
  • , J. Buist
  • , A. Dam

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

The possible relationship among malignancy, differentiation, and chromosomal constitution of primary embryo-derived tumors was studied. Tumors were induced by transplanting 7-day-old mouse embryos under the kidney capsule of syngeneic BALB/c recipients. Transplantation of 101 embryos resulted in 81 tumor-bearing mice: 36 teratocarcinomas; 18 teratomas; and 27 yolk sac tumors. Some of the yolk sac tumors proved to be retransplantable for several generations. Cytogenetic investigation of the primary embryo-derived tumors revealed that the majority of teratocarcinomas (82%) were chromosomally normal, whereas almost all (83%) karyotyped teratomas and yolk sac tumors had a highly abnormal chromosomal constitution. Most common aberrations were polyploidy; overrepresentation of chromosome 1, 6,15, or 19; and an underrepresentation of chromosome 2, 4, 14, or a sex chromosome.

Original languageEnglish
Pages (from-to)3416-3421
Number of pages6
JournalCancer Research
Volume50
Issue number11
Publication statusPublished - 1 Jun 1990
Externally publishedYes

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