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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Somatic mutations of the ERBB4 kinase domain in human cancers.

The EGFR family consists of 4 receptor tyrosine kinases, EGFR (ERBB1), ERBB2 (HER2), ERBB3 (HER3) and ERBB4 (HER4). Recent reports revealed that the kinase domains of both EGFR (ERBB1) and ERBB2 gene were somatically mutated in human cancers, raising the possibility that the other ERBB members possess somatic mutations in human cancers. Here, we performed mutational analysis of the ERBB4 kinase domain by polymerase chain reaction-single-strand conformation polymorphism assay in 595 cancer tissues from stomach, lung, colon and breast. We detected the ERBB4 somatic mutations in 3 of 180 gastric carcinomas (1.7%), 3 of 104 colorectal carcinomas (2.9%), 5 of 217 nonsmall cell lung cancers (2.3%) and 1 of 94 breast carcinomas (1.1%). The 12 ERBB4 mutations consisted of 1 in-frame duplication mutation and 8 missense mutations in the exons, and 3 mutations in the introns. We simultaneously analyzed the somatic mutations of EGFR, ERBB2, K-RAS, PIK3CA and BRAF genes in the 12 samples with the ERBB4 mutations and found that 1 gastric carcinoma with ERBB4 mutation also harbored K-RAS gene mutation. Our study demonstrated that in addition to EGFR and ERBB2, somatic mutation of the kinase domain of ERBB4 occurs in the common human cancers, and suggested that alterations of ERBB4-mediated signaling pathway by ERBB4 mutations may contribute to the development of human cancers. (c) 2005 Wiley-Liss, Inc.[1]

References

  1. Somatic mutations of the ERBB4 kinase domain in human cancers. Soung, Y.H., Lee, J.W., Kim, S.Y., Wang, Y.P., Jo, K.H., Moon, S.W., Park, W.S., Nam, S.W., Lee, J.Y., Yoo, N.J., Lee, S.H. Int. J. Cancer (2006) [Pubmed]
 
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