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Related Experiment Videos

Chromosome abnormalities in cancer.

F Mitelman1, S Heim

  • 1Department of Clinical Genetics, University Hospital, Lund, Sweden.

Cancer Detection and Prevention
|January 1, 1990
PubMed
Summary
This summary is machine-generated.

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Cytogenetic, clinical, and morphologic correlations in 78 cases of fibromatosis: a report from the CHAMP Study Group. CHromosomes And Morphology.

Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc·2000
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Karyotypic characterization of urinary bladder transitional cell carcinomas.

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Cytogenetic evidence of clonality in cutaneous benign fibrous histiocytomas: a report of the CHAMP study group.

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RT-PCR analysis of the MOZ-CBP and CBP-MOZ chimeric transcripts in acute myeloid leukemias with t(8;16)(p11;p13).

Genes, chromosomes & cancer·2000

Specific chromosomal abnormalities in human tumors are linked to cancer development and progression. These primary and secondary genetic changes, along with molecular data on oncogenes and anti-oncogenes, pinpoint key genes involved in cell proliferation and differentiation.

Area of Science:

  • Cytogenetics
  • Molecular Biology
  • Oncology

Background:

  • Over 10,000 human neoplasms analyzed reveal numerous karyotypic abnormalities.
  • Chromosomal aberrations in tumors are classified as primary (tumor-initiating), secondary (tumor-progression), or nonconsequential cytogenetic noise.
  • Primary abnormalities correlate with specific neoplastic disorders and histopathological subtypes.

Purpose of the Study:

  • To investigate the relationship between cytogenetic abnormalities and the genetic underpinnings of human carcinogenesis.
  • To integrate cytogenetic findings with molecular data on cancer-relevant genes.

Main Methods:

  • Chromosome banding analysis of human neoplasms.
  • Recombinant DNA studies to identify molecular specificities.

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Main Results:

  • Over 100 primary chromosomal abnormalities consistently linked to specific cancers have been identified.
  • Both dominant oncogenes and recessive anti-oncogenes are located at genomic sites involved in neoplasia-associated chromosomal rearrangements.
  • Molecular genetic data support cytogenetic findings, implicating specific genes in carcinogenesis.

Conclusions:

  • Consistently cancer-associated chromosomal breakpoints reflect the genomic locations of genes critical for cell proliferation and differentiation.
  • Cytogenetic and molecular data converge to highlight the role of specific genes in human tumor development and progression.