Refinement of lymphoma cytogenetics by the chromosome 18q21 major breakpoint region

E. Lipford, J. J. Wright, W. Urba, J. Whang-Peng, I. R. Kirsch, M. Raffeld, J. Cossman, D. L. Longo, A. Bakhshi, S. J. Korsmeyer

Research output: Contribution to journalArticle

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Abstract

A small (2.8-kilobase, kb) major breakpoint region localized to segment 18q21 rearranges in >70% of t(14;18)(q32;q21) lymphomas. This rearrangement interrupts the Bcl-2 gene and introduces it into the Ig locus at 14q32. The rearrangement between the joining region (J(H)) of Ig on chromosome 14 and the 18q21 region creates a translocation-specific DNA rearrangement. We generated probes that distinguish the 14;18 juncture on the derivative (der) 14 and der (18) chromosomes, providing a molecular approach to t(14;18) identification. Approximately 60% of unselected follicular lymphomas, 20% of diffuse large cell lymphomas, and 50% of adult undifferentiated non-Burkitt lymphomas demonstrated 14;18 rearrangements within the major breakpoint region. Examination of DNA for 14;18 rearrangements resolved the identity of 14q+ chromosomes in two patient's cells that lacked an obvious reciprocal partner. Identification of the exact restriction fragments that mediate translocations complements routine cytogenetics. The detection of DNA rearrangements does not require dividing cells or the presence of an identifiable reciprocal partner and can detect clonal translocation rearrangements when the neoplastic cells are only a minority of all cells present.

Original languageEnglish
Pages (from-to)1816-1823
Number of pages8
JournalBlood
Volume70
Issue number6
Publication statusPublished - Dec 1 1987
Externally publishedYes

Fingerprint

Chromosomes
Cytogenetics
Lymphoma
Gene Rearrangement
DNA
Derivatives
Chromosomes, Human, Pair 18
bcl-2 Genes
Chromosomes, Human, Pair 14
Joining
Follicular Lymphoma
Lymphoma, Large B-Cell, Diffuse
Genes

ASJC Scopus subject areas

  • Biochemistry
  • Immunology
  • Hematology
  • Cell Biology

Cite this

Lipford, E., Wright, J. J., Urba, W., Whang-Peng, J., Kirsch, I. R., Raffeld, M., ... Korsmeyer, S. J. (1987). Refinement of lymphoma cytogenetics by the chromosome 18q21 major breakpoint region. Blood, 70(6), 1816-1823.

Refinement of lymphoma cytogenetics by the chromosome 18q21 major breakpoint region. / Lipford, E.; Wright, J. J.; Urba, W.; Whang-Peng, J.; Kirsch, I. R.; Raffeld, M.; Cossman, J.; Longo, D. L.; Bakhshi, A.; Korsmeyer, S. J.

In: Blood, Vol. 70, No. 6, 01.12.1987, p. 1816-1823.

Research output: Contribution to journalArticle

Lipford, E, Wright, JJ, Urba, W, Whang-Peng, J, Kirsch, IR, Raffeld, M, Cossman, J, Longo, DL, Bakhshi, A & Korsmeyer, SJ 1987, 'Refinement of lymphoma cytogenetics by the chromosome 18q21 major breakpoint region', Blood, vol. 70, no. 6, pp. 1816-1823.
Lipford E, Wright JJ, Urba W, Whang-Peng J, Kirsch IR, Raffeld M et al. Refinement of lymphoma cytogenetics by the chromosome 18q21 major breakpoint region. Blood. 1987 Dec 1;70(6):1816-1823.
Lipford, E. ; Wright, J. J. ; Urba, W. ; Whang-Peng, J. ; Kirsch, I. R. ; Raffeld, M. ; Cossman, J. ; Longo, D. L. ; Bakhshi, A. ; Korsmeyer, S. J. / Refinement of lymphoma cytogenetics by the chromosome 18q21 major breakpoint region. In: Blood. 1987 ; Vol. 70, No. 6. pp. 1816-1823.
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