© 1999 by Oxford University Press
Journal of the National Cancer Institute, Vol. 91, No. 18, 1581-1583,
September 15, 1999
© 1999 Oxford University Press
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Clonal Loss of Heterozygosity in Microdissected Hodgkin and Reed-Sternberg Cells
Affiliations of authors: U. Hasse, M. F. Fey (Institute of Medical Oncology), E. O. Leibundgut, J.-F. Cajot, A. Tobler (Central Haematology Laboratory), Inselspital and Department of Clinical Research, University of Berne, Switzerland; M. Tinguely, B. Borisch, Department of Clinical Pathology, University of Geneva, Switzerland; A. M. Garvin, Department of Obstetrics and Gynaecology, Laboratory for Prenatal Medicine, University of Basel, Switzerland.
Correspondence to: Martin F. Fey, M.D., Institute of Medical Oncology, Inselspital, CH-3010 Berne, Switzerland (e-mail: martin.fey@insel.ch).
The typical Hodgkin and Reed-Sternberg (HRS) cells are thought to
represent the malignant cellular elements of Hodgkin's disease (HD).
The detection of immunoglobulin gene rearrangements in HRS cells
indicates that they are clonally derived from B cells (1-8),
but immunogenotyping, as such, does not provide any information on
specific gene alterations possibly involved in the molecular pathology
of HD. In many tumors, highly informative polymorphic DNA markers may
identify loci harboring clonal loss of heterozygosity (LOH) and thus
help to trace tumor suppressor genes (9,10). Although in HD,
cytogenetic data suggest that nonrandom chromosomal deletions may occur
at several loci, including 1q42, 4q26, and others, very little (if
anything) is known about clonal LOH in HRS cells at the molecular level
(11-15). We, therefore, set out to study microdissected HRS
cells from classical types of HD at candidate
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