Medizinische Universität Graz - Research portal
Selected Publication:
Speicher, MR; Petersen, S; Uhrig, S; Jentsch, I; Fauth, C; Eils, R; Petersen, I.
Analysis of chromosomal alterations in non-small cell lung cancer by multiplex-FISH, comparative genomic hybridization, and multicolor bar coding.
Lab Invest. 2000; 80(7):1031-1041
Doi: 10.1038/labinvest.3780108
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- Leading authors Med Uni Graz
- Speicher Michael
- Co-authors Med Uni Graz
- Uhrig Sabine
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- Abstract:
- Lung cancer has a considerable impact on morbidity and mortality throughout the world. Despite extensive effort, no lung cancer-specific cytogenetic changes, such as lineage-specific translocations or inversions, have been described to date. In this study we used multiplex fluorescence in situ hybridization (M-FISH), comparative genomic hybridization, and multicolor bar coding to analyze eight cell lines derived from non-small cell lung cancers. M-FISH did not identify any balanced translocations, which are the dominating feature in leukemias and lymphomas. Instead, M-FISH unraveled an enormous number of numerical and structural aberrations, with each tumor having its own "private" pattern of chromosomal changes. In contrast, comparative genomic hybridization demonstrated similarities between tumors, because each cell line shared some chromosomal segments that were commonly gained or lost. One of these involved chromosome 12. Chromosome 12 specific bar code probe sets were constructed and used to demonstrate that breaks on chromosome 12 occur preferentially within specific bands. With the progressive use of higher resolution approaches, more information can be gained about the chromosomal alterations in cancer.
- Find related publications in this database (using NLM MeSH Indexing)
- Automatic Data Processing -
- Carcinoma, Non-Small-Cell Lung - genetics
- Chromosomes - genetics
- Chromosomes, Human, Pair 12 - genetics
- Color - genetics
- Humans - genetics
- In Situ Hybridization, Fluorescence - methods
- Karyotyping - methods
- Lung Neoplasms - genetics
- Nucleic Acid Hybridization - genetics
- Tumor Cells, Cultured - genetics