A comprehensive analysis of loss of heterozygosity caused by hemizygous deletions in renal cell carcinoma using a subtraction library

Naoya Hatano, Naoko S. Nishikawa, Cathal McElgunn, Shubhashish Sarkar, Kazuo Ozawa, Yasuhiko Shibanaka, Motowo Nakajima, Kazuo Gohiji, Ryoiti Kiyama

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Several new loci were identified by a comprehensive analysis of loss of heterozygosity (LOH) using a subtraction library between matched normal and renal cell carcinoma (RCC) tissues. A total of 187 clones from the library, with a complexity of 1 × 104, were mapped, and 44 dusters of the mapped loci were subjected to LOH analysis using microsatellite markers. A total of 27 loci, which exhibited frequencies of LOH of at least 10% among 44 tumors, mostly clear-cell RCC, included several loci that were reported previously, such as, the von Hippel-Lindau gene, adenomatous polyposis coli, and interferon regulatory factor-1, as well as new loci, at 5q32-q34, 6q21-q22, 8p12, and others. These loci exhibited LOH among 11.8-93.8% of tumors, and most, if not all, were derived from the sites of hemizyous deletions. The minimum regions of LOH of chromosomes 5, 6, and 8 were 9.0, 10.3, and 0.775 Mb, respectively. The average distance between the cloned fragments on the chromosomes was 2.2 Mb in 187 clones, indicating that the minimum LOH size expected from this subtraction analysis was roughly 50 kb. Therefore, the strategy described here provides comprehensive analysis of LOH sites, which were mostly caused by hemizygous deletions.

Original languageEnglish
Pages (from-to)161-170
Number of pages10
JournalMolecular Carcinogenesis
Volume31
Issue number3
DOIs
Publication statusPublished - Aug 23 2001
Externally publishedYes

Fingerprint

Loss of Heterozygosity
Renal Cell Carcinoma
Libraries
Clone Cells
Interferon Regulatory Factor-1
APC Genes
Chromosomes, Human, Pair 8
Chromosomes, Human, Pair 5
Chromosomes, Human, Pair 6
Microsatellite Repeats
Neoplasms
Chromosomes

Keywords

  • Chromosome 8
  • Hemizygous deletion
  • Loss of heterozygosity
  • Renal cell carcinoma
  • Subtraction library

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research

Cite this

A comprehensive analysis of loss of heterozygosity caused by hemizygous deletions in renal cell carcinoma using a subtraction library. / Hatano, Naoya; Nishikawa, Naoko S.; McElgunn, Cathal; Sarkar, Shubhashish; Ozawa, Kazuo; Shibanaka, Yasuhiko; Nakajima, Motowo; Gohiji, Kazuo; Kiyama, Ryoiti.

In: Molecular Carcinogenesis, Vol. 31, No. 3, 23.08.2001, p. 161-170.

Research output: Contribution to journalArticle

Hatano, N, Nishikawa, NS, McElgunn, C, Sarkar, S, Ozawa, K, Shibanaka, Y, Nakajima, M, Gohiji, K & Kiyama, R 2001, 'A comprehensive analysis of loss of heterozygosity caused by hemizygous deletions in renal cell carcinoma using a subtraction library', Molecular Carcinogenesis, vol. 31, no. 3, pp. 161-170. https://doi.org/10.1002/mc.1051
Hatano, Naoya ; Nishikawa, Naoko S. ; McElgunn, Cathal ; Sarkar, Shubhashish ; Ozawa, Kazuo ; Shibanaka, Yasuhiko ; Nakajima, Motowo ; Gohiji, Kazuo ; Kiyama, Ryoiti. / A comprehensive analysis of loss of heterozygosity caused by hemizygous deletions in renal cell carcinoma using a subtraction library. In: Molecular Carcinogenesis. 2001 ; Vol. 31, No. 3. pp. 161-170.
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