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Cancer Lett. 2000 May 29;153(1-2):57-61.

Absence of hSNF5/INI1 mutation in human lung cancer.

Author information

1
Biology Division, National Cancer Center Research Institute, 1-1, Tsukiji 5-chome, Chuo-ku, Tokyo, Japan.

Abstract

Frequent occurrence of chromosome 22q deletions in lung cancer indicates the presence of a tumor suppressor gene on this chromosome arm. The hSNF5/INI1 gene at chromosome 22q11.2 has recently been shown to act as a tumor suppressor in rhabdoid tumors. To investigate whether the hSNF5/INI1 gene located on chromosome 22q is involved in lung carcinogenesis, mutation analysis of the hSNF5/INI1 gene was performed using 50 lung cancer cell lines. No mutations causing amino acid substitutions or frameshifts were found by PCR-SSCP analysis of the entire coding region. The results indicated that the hSNF5/INI1 gene is not inactivated in lung cancers and suggested the presence of another tumor suppressor gene on chromosome 22q. Thus, further studies are necessary to identify the target lung tumor suppressor gene(s) on chromosome 22q.

PMID:
10779630
DOI:
10.1016/s0304-3835(00)00342-6
[Indexed for MEDLINE]

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