Journal
CANCER SCIENCE
Volume 103, Issue 2, Pages 390-392Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1349-7006.2011.02136.x
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Funding
- Grants-in-Aid for Scientific Research [22680063] Funding Source: KAKEN
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Echinoderm microtubule-associated protein-like 4 and anaplastic lymphoma kinase (EML4ALK) and kinesin family member 5B (KIF5B)ALK are newly identified transforming fusion oncogenes causing non-small-cell lung cancers. These molecular abnormalities have become detectable using not only molecular biological methods, but also highly sensitive immunohistochemistry. During the immunohistochemical study of ALK expression in adenocarcinoma of the lung, we unexpectedly discovered that a small bronchioloalveolar carcinoma (BAC) showed strong ALK immunoreactivity. However, FISH studies failed to reveal EML4ALK and KIF5BALK fusion genes in this BAC. These findings suggest the possibility that a novel or unknown ALK fusion gene plays a crucial role in BAC development. (Cancer Sci 2012; 103: 390392)
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