Article (Scientific journals)
Identification of a novel HER3 activating mutation homologous to EGFR-L858R in lung cancer.
Umelo, Ijeoma; Noeparast, Amir; Chen, Gang et al.
2016In Oncotarget, 7 (3), p. 3068-83
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Keywords :
HER inhibitor; HER3 kinase mutation; HER3-V855A; lung cancer
Abstract :
[en] Somatic mutations found within the tyrosine kinase domain (TKD) of the human epidermal growth factor (HER) family of receptors have been implicated in the development and progression of non-small cell lung cancer (NSCLC). However, no conclusive reports have described pathogenic mutations in kinase-impaired HER3. Here, we report a case of an advanced chemotherapy-resistant NSCLC, harboring a novel HER3V855A somatic mutation homologous to the EGFRL858Ractivating mutation. Co-expression of HER3V855A and wild-type HER2 enhances ligand-induced transformation of murine and human cell lines, while HER-targeted inhibitors potently suppress mutant HER3 activity. Consistent with these observations, in silico computational modeling predicts that mutant V855A alters the kinase domain and c-terminal end of the HER3 protein. Taken together, these findings provide a basis for the clinical exploration of targeted therapies in HER3 mutant NSCLC and by extrapolation, in other cancers that more frequently carry somatic HER3 mutations.
Disciplines :
Oncology
Author, co-author :
Umelo, Ijeoma ;  Université de Liège > Département des sciences biomédicales et précliniques > GIGA-R : Labo de recherche sur les métastases
Noeparast, Amir
Chen, Gang
Renard, Marleen
Geers, Caroline
Vansteenkiste, Johan
Giron, Philippe
De Wever, Olivier
Teugels, Erik
De Greve, Jacques
Language :
English
Title :
Identification of a novel HER3 activating mutation homologous to EGFR-L858R in lung cancer.
Publication date :
January 2016
Journal title :
Oncotarget
eISSN :
1949-2553
Publisher :
Impact Journals, United States - New York
Volume :
7
Issue :
3
Pages :
3068-83
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 June 2016

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