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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Human Krüppel-related 3 (HKR3): a candidate for the 1p36 neuroblastoma tumour suppressor gene?

Human Krüppel-related 3 (HKR3) is a zinc finger gene that maps within chromosome subbands 1p36.2-.3, a region postulated to contain a tumour suppressor gene associated with advanced neuroblastomas. Genomic clones of HKR3 were isolated from a P1 library and physically mapped to within 40 kb of D1S214 at 1p36. 3. The gene is ubiquitously expressed in human tissues, but especially high levels are present in human fetal and adult nervous tissues. Hemizygous deletion of HKR3 in a lymphoblastoid cell line derived from a neuroblastoma patient with a constitutional 1p36 interstitial deletion and in the neuroblastoma cell line SK-N-AS, which also has a small interstitial 1p36 deletion, has been observed. Allelic loss at D1S214 in 15/15 informative primary neuroblastoma specimens with 1p36 deletions has also been observed. In a panel of 16 neuroblastoma cell lines, no gross genomic DNA rearrangements were noted, the gene was always expressed (albeit at variable levels) and there was no evidence for truncating mutations. Furthermore, there were no mutations detected in the zinc finger coding region in four neuroblastoma cell lines with 1p deletions analysed by direct sequence analysis. We conclude that HKR3 is a novel zinc finger gene that maps to a region of the genome commonly rearranged or deleted in neuroblastoma and other human cancers.[1]

References

  1. Human Krüppel-related 3 (HKR3): a candidate for the 1p36 neuroblastoma tumour suppressor gene? Maris, J.M., Jensen, J., Sulman, E.P., Beltinger, C.P., Allen, C., Biegel, J.A., Brodeur, G.M., White, P.S. Eur. J. Cancer (1997) [Pubmed]
 
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