[Analysis of chromosomal aneuploidy in bronchoscopically gained cells]. 2002

Shugeng Gao, and Xiangyang Dong, and Shujun Cheng, and Liangjun Wang, and Dechao Zhang
Department of Thoracic Surgery, Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical University, Beijing 100021, China.

OBJECTIVE To study the feasibility of interphase fluorescence in situ hybridization (FISH) in detection of chromosomal aneuploidy in bronchoscopically gained cells from lung cancer patients and early diagnosis of lung cancer. METHODS Cells gained from endobronchial brushings of 14 patients with lung cancer were examined by FISH with chromosomes 7, 8, 9 and 12 specific centromere probes. RESULTS Aneuploidy, mainly featured in gains of chromosomes 7, 8 and 12 and loss of chromosome 9 were observed in all of the 7 cases with cells from endobronchial brushings diagnosed as or suspicious of cancer cells by cytology. Aneuploidies of chromosomes 7, 8, and 9 were found in 3 of other 7 cases that appeared to be normal by cytologic criteria. CONCLUSIONS Interphase FISH is feasible in detecting aneuploidy associated with malignancy in bronchoscopically gained cells that do not meet the criteria of malignancy by conventional cytologic study. This method may be applied to early diagnosis of lung cancer.

UI MeSH Term Description Entries
D008175 Lung Neoplasms Tumors or cancer of the LUNG. Cancer of Lung,Lung Cancer,Pulmonary Cancer,Pulmonary Neoplasms,Cancer of the Lung,Neoplasms, Lung,Neoplasms, Pulmonary,Cancer, Lung,Cancer, Pulmonary,Cancers, Lung,Cancers, Pulmonary,Lung Cancers,Lung Neoplasm,Neoplasm, Lung,Neoplasm, Pulmonary,Pulmonary Cancers,Pulmonary Neoplasm
D001999 Bronchoscopy Endoscopic examination, therapy or surgery of the bronchi. Bronchoscopic Surgical Procedures,Surgical Procedures, Bronchoscopic,Bronchoscopic Surgery,Surgery, Bronchoscopic,Bronchoscopic Surgeries,Bronchoscopic Surgical Procedure,Bronchoscopies,Surgeries, Bronchoscopic,Surgical Procedure, Bronchoscopic
D002881 Chromosomes, Human, Pair 12 A specific pair of GROUP C CHROMOSOMES of the human chromosome classification. Chromosome 12
D002897 Chromosomes, Human, Pair 7 A specific pair of GROUP C CHROMOSOMES of the human chromosome classification. Chromosome 7
D002898 Chromosomes, Human, Pair 8 A specific pair of GROUP C CHROMOSOMES of the human chromosome classification. Chromosome 8
D002899 Chromosomes, Human, Pair 9 A specific pair of GROUP C CHROMSOMES of the human chromosome classification. Chromosome 9
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000782 Aneuploidy The chromosomal constitution of cells which deviate from the normal by the addition or subtraction of CHROMOSOMES, chromosome pairs, or chromosome fragments. In a normally diploid cell (DIPLOIDY) the loss of a chromosome pair is termed nullisomy (symbol: 2N-2), the loss of a single chromosome is MONOSOMY (symbol: 2N-1), the addition of a chromosome pair is tetrasomy (symbol: 2N+2), the addition of a single chromosome is TRISOMY (symbol: 2N+1). Aneuploid,Aneuploid Cell,Aneuploid Cells,Aneuploidies,Aneuploids,Cell, Aneuploid,Cells, Aneuploid
D017404 In Situ Hybridization, Fluorescence A type of IN SITU HYBRIDIZATION in which target sequences are stained with fluorescent dye so their location and size can be determined using fluorescence microscopy. This staining is sufficiently distinct that the hybridization signal can be seen both in metaphase spreads and in interphase nuclei. FISH Technique,Fluorescent in Situ Hybridization,Hybridization in Situ, Fluorescence,FISH Technic,Hybridization in Situ, Fluorescent,In Situ Hybridization, Fluorescent,FISH Technics,FISH Techniques,Technic, FISH,Technics, FISH,Technique, FISH,Techniques, FISH

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