Cytogenetics and experimental models of sarcomas

J. A. Bridge

Research output: Contribution to journalReview article

13 Citations (Scopus)

Abstract

Bone and soft tissue sarcomas are diagnostically challenging. Recognition of specific cytogenetic abnormalities in these neoplasms has significantly reduced some of the associated difficulties and has provided valuable information on histopathogenesis. Commonly, translocations involving an exchange of chromosomal material and creation of novel chimeric genes are detected. These fusion genes frequently function as aberrant transcription factors that contribute to sarcomagenesis. New studies indicate that less commonly occurring variant fusion genes are also present in some tumors, eg, Ewing's sarcoma and alveolar rhabdomyosarcoma. The clinical consequences, if any, of these variant hybrids are not yet known. Reverse transcriptase polymerase chain reaction and are useful approaches in detecting these transcripts. In addition to translocations, supernumerary ring chromosomes are often encountered in sarcomas, particularly those of intermediate or borderline malignancy. Traditional fluorescence in situ hybridization, and recently, comparative genomic hybridization have uncovered the chromosomal composition of these rings as well as some associated gene amplifications in well-differentiated liposarcoma and dermatofibrosarcoma protuberans.

Original languageEnglish (US)
Pages (from-to)333-339
Number of pages7
JournalCurrent Opinion in Oncology
Volume7
Issue number4
DOIs
StatePublished - Jan 1 1995

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Experimental Sarcomas
Cytogenetics
Theoretical Models
Gene Fusion
Sarcoma
Alveolar Rhabdomyosarcoma
Dermatofibrosarcoma
Ring Chromosomes
Liposarcoma
Neoplasms
Ewing's Sarcoma
Comparative Genomic Hybridization
Gene Amplification
Reverse Transcriptase Polymerase Chain Reaction
Fluorescence In Situ Hybridization
Chromosome Aberrations
Transcription Factors
Bone and Bones
Genes

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Cytogenetics and experimental models of sarcomas. / Bridge, J. A.

In: Current Opinion in Oncology, Vol. 7, No. 4, 01.01.1995, p. 333-339.

Research output: Contribution to journalReview article

Bridge, J. A. / Cytogenetics and experimental models of sarcomas. In: Current Opinion in Oncology. 1995 ; Vol. 7, No. 4. pp. 333-339.
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