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Emphysema is the major component of chronic obstructive pulmonary disease (COPD), which is the fourth leading cause of death in the world. Several epidemiologic studies suggest that genetic factors may have an important role in the pathogenesis of emphysema. We analyzed the gene expression profiles of chromosomal aberrations using array comparative genomic hybridization (array CGH) in 32 patients...
Lung tumor cell DNA copy number alteration (CNA) was expected to display specific patterns such as a large-scale amplification or deletion of chromosomal arms, as previously published data have reported. Peripheral blood mononuclear cell (PBMC) CNA however, was expected to show normal variations in cancer patients as well as healthy individuals, and has thus been used as normal control DNA samples...
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