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Genes Chromosomes Cancer. 1996 Mar;15(3):182-6.

Loss of the chromosomal region 5q11-q31 in the myeloid cell line HL-60: characterization by comparative genomic hybridization and fluorescence in situ hybridization.

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1
Section of Cell Biology and Experimental Pathology, Institute of Cancer Research, Sutton, Surrey, England, UK. shipley@icr.ac.uk

Abstract

Comparative genomic hybridization was used to identify the regions of genomic gain and loss in the myeloid cell line HL-60. These included amplification at 8q24 corresponding to previous reports of overrepresentation of the MYC gene; loss of material from the short arms of chromosomes 9 (9p21-p23), 10, and 17; loss of the chromosome regions 9q32-qter and 14q11-q24; and an extra copy of chromosome 18. Additionally, deletion of the 5q11-q31 region was noted and was associated with translocation of chromosome 5 material to chromosomes 16 and a dic(5;17)(q11;p11) chromosome (previously described as mar 3). Loss of chromosome 5 material in myeloid malignancies, including the M2 subtype from which HL-60 was derived, is usually associated with interstitial deletions of the long arm, including the critical 5q31 region, resulting in a 5q- chromosome. The HL-60 cell line may be a useful model to investigate the role of potential tumour suppressor genes associated with loss of 5q material in myeloid leukaemias.

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