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DNA copy numbers and the Circular Binary Segmentation Algorithm

DNA copy numbers and the Circular Binary Segmentation Algorithm

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CBS Lung project Example<br />

• Two broad categories of lung cancer: small cell (SCLC)<br />

<strong>and</strong> non-small cell (NSCLC)<br />

• Adenocarcinoma is a histological subtype of NSCLC<br />

• Recent advance: EGFR mutation <strong>and</strong> effective TKI drugs<br />

• Prognosis is in general poor especially KRAS mutation<br />

Can we learn more by profiling <strong>DNA</strong> <strong>copy</strong> number?<br />

≈ 250 samples using Agilent 44k arrays.<br />

Also gene expressions using Affy U133 arrays<br />

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