Delineation of a 6 cM commonly deleted region in childhood acute lymphoblastic leukemia on the 6q chromosomal arm (original) (raw)
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- Published: 01 February 1997
Molecular Cytogenetics
Leukemia volume 11, pages 228–232 (1997)Cite this article
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Abstract
Deletion of the long arm of human chromosome 6 in acute lymphoblastic leukemia (ALL) has been shown by cytogenetic studies in 4–11% of cases. To characterize further the region of deletion and to precisely establish its frequency, we studied loss of heterozygozity (LOH) in 120 children with ALL using polymorphic markers located from the 6q14-15 chromosomal band to the telomere. LOH was detected in eight patients. A single region of LOH, flanked distally by D6S1594 and proximally by D6S301 was detected. These DNA markers are separated by 6 cM and are approximately located at the 6q21-22 band. Our present results delineate a region that is likely to contain a tumor-suppressor gene involved in a subset of childhood ALLs.
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Authors and Affiliations
- INSERM U409, Faculté de Médecine X Bichat, Paris, France
B Gérard & B Grandchamp - Service de Biochimie Génétique and the Service d’Hématologie, Hôpital R Debré, Paris, France
H Cavé, C Guidal, E Vilmer & B Grandchamp - Hôpital Purpan, Toulouse, France
N Dastugue
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- B Gérard
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Gérard, B., Cavé, H., Guidal, C. et al. Delineation of a 6 cM commonly deleted region in childhood acute lymphoblastic leukemia on the 6q chromosomal arm.Leukemia 11, 228–232 (1997). https://doi.org/10.1038/sj.leu.2400566
- Received: 23 September 1996
- Accepted: 07 November 1996
- Issue Date: 01 February 1997
- DOI: https://doi.org/10.1038/sj.leu.2400566