A transcription map of the minimally deleted region from 13q14 in B-cell chronic lymphocytic leukemia as defined by large scale sequencing of the 650 kb critical region

Eiko Kitamura, Guanfang Su, Khalid Sossey-Alaoui, Eda Malaj, Jennifer Lewis, Hua Qin Pan, Lesleyann Hawthorn, Bruce Roe, John Kenneth Cowell

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Extensive analysis of tumors has demonstrated homozygous and heterozygous deletions in chromosome region 13q14.3 in B-cell chronic lymphocytic leukemia (B-CLL), suggesting the site of a tumor suppressor gene. Since previous searches for this gene have not yielded any viable candidates, we now present the sequence of the BACs which span the minimally deleted approximately 650 kb region between markers D13S319 and D13S25. This sequence has allowed us to create the definitive transcription map for the region which reveals 93 ESTs and 12 Unigene clusters in this region. Using gene prediction programs, a further 19 potential genes are also identified. The genes show an asymmetrical distribution throughout the region with most of them clustering at the extreme ends. This sequencing effort provides for the definitive structure of the B-CLL deletion region and the identification of the vast majority of the potential candidate genes. Of all the genes identified, only three have homologies to known genes: two L1 repeat genes and rabbit epididymal protein 52. This 13q14.3 sequence provides the final substrate from which to characterize the B-CLL tumor suppressor gene.

Original languageEnglish (US)
Pages (from-to)5772-5780
Number of pages9
JournalOncogene
Volume19
Issue number50
DOIs
StatePublished - Nov 23 2000
Externally publishedYes

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B-Cell Chronic Lymphocytic Leukemia
Genes
Tumor Suppressor Genes
Chromosome Deletion
Expressed Sequence Tags
Cluster Analysis
Rabbits

Keywords

  • 13q14
  • B-CLL
  • Gene annotation
  • Genomic sequence
  • Transcript map

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Cancer Research

Cite this

A transcription map of the minimally deleted region from 13q14 in B-cell chronic lymphocytic leukemia as defined by large scale sequencing of the 650 kb critical region. / Kitamura, Eiko; Su, Guanfang; Sossey-Alaoui, Khalid; Malaj, Eda; Lewis, Jennifer; Pan, Hua Qin; Hawthorn, Lesleyann; Roe, Bruce; Cowell, John Kenneth.

In: Oncogene, Vol. 19, No. 50, 23.11.2000, p. 5772-5780.

Research output: Contribution to journalArticle

Kitamura, Eiko ; Su, Guanfang ; Sossey-Alaoui, Khalid ; Malaj, Eda ; Lewis, Jennifer ; Pan, Hua Qin ; Hawthorn, Lesleyann ; Roe, Bruce ; Cowell, John Kenneth. / A transcription map of the minimally deleted region from 13q14 in B-cell chronic lymphocytic leukemia as defined by large scale sequencing of the 650 kb critical region. In: Oncogene. 2000 ; Vol. 19, No. 50. pp. 5772-5780.
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