Abstract:
BACKGROUND:The increased expression of the fibroblast growth factor receptor 4 (FGFR4) has been identified in many human cancers. Recently, a single nucleotide polymorphism changing the sense codon 388 from glycine to arginine was identified in the FGFR4 gene. The FGFR4 Arg(388) allele was found to be associated with a poor prognosis for positive node breast cancer, high-grade soft-tissue sarcoma, colon carcinoma, and head and neck squamous cell carcinoma (HNSCC). METHODS:We decided to verify the impact of the FGFR4 Arg(388) allele on survival as well as its association with histoclinical data in 75 cases of HNSCC. The FGFR4 Arg(388) allele was detected by PCR-RFLP and DNA sequencing. RESULTS:The FGFR4 Arg(388) allele was detected in 42.5% of the tumors (37% heterozygous Gly/Arg and 5.5% homozygous Arg/Arg). The presence of at least one Arg allele was significantly correlated with reduced overall survival after 24 months of follow-up. The cases involving the Arg allele presented an increased mortality risk of 2.2 if compared to the non-carrier cases. CONCLUSION:The FGFR4 Arg(388) allele is associated with a shortened survival.
journal_name
Exp Mol Patholjournal_title
Experimental and molecular pathologyauthors
da Costa Andrade VC,Parise O Jr,Hors CP,de Melo Martins PC,Silva AP,Garicochea Bdoi
10.1016/j.yexmp.2006.05.003subject
Has Abstractpub_date
2007-02-01 00:00:00pages
53-7issue
1eissn
0014-4800issn
1096-0945pii
S0014-4800(06)00059-1journal_volume
82pub_type
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