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Fibroblast growth factor receptor 1 gene amplification is associated with poor survival in patients with resected esophageal squamous cell carcinoma.

 Hyo Song Kim  ;  Seung Eun Lee  ;  Yoon Sung Bae  ;  Dae Joon Kim  ;  Chang‑Geol Lee  ;  Jin Hur  ;  Hyunsoo Chung  ;  Jun Chul Park  ;  Da Hyun Jung  ;  Sung Kwan Shin  ;  Sang Kil Lee  ;  Yong Chan Lee  ;  Hye Ryun Kim  ;  Yong Wha Moon  ;  Joo Hang Kim  ;  Young Mog Shim  ;  Susan S. Jewell  ;  Hyunki Kim  ;  Yoon-La Choi  ;  Byoung Chul Cho 
 Oncotarget, Vol.6(4) : 2562-2572, 2015 
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To investigate the frequency and the prognostic impact of fibroblast growth factor receptor 1 (FGFR1) gene amplification in 526 curatively resected esophageal squamous cell carcinoma (ESCC). Using fluorescent in situ hybridization, high amplification was defined by an FGFR1/centromer 8 ratio is ≥ 2.0, or average number of FGFR1 signals/tumor cell nucleus ≥ 6.0, or percentage of tumor cells containing ≥ 15 FGFR1 signals or large cluster in ≥ 10%. Low amplification was defined by ≥ 5 FGFR1 signals in ≥ 50%. FGFR2 and FGFR3 mutations were assessed by direct sequencing in 388 cases and no mutation was detected. High and low amplification were detected in 8.6% and 1.1%, respectively. High FGFR1 amplification had significantly shorter disease-free survival (34.0 vs 158.5 months P=0.019) and overall survival (52.2 vs not reached P=0.022) than low/no amplification group. After adjusting for sex, smoking, stage, histology, and adjuvant treatment, high FGFR1 amplification had a greater risk of recurrence (adjusted hazard ratio [AHR], 1.6; P=0.029) and death (AHR, 1.53; P=0.050). High amplification was significantly higher in current smokers than former and never-smokers (Ptrend<0.001) and increased proportional to smoking dosage. High FGFR1 amplification is a frequent oncogenic alteration and an independent poor prognostic factor in resected ESCC.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
김대준(Kim, Dae Joon)
김주항(Kim, Joo Hang)
김현기(Kim, Hyunki) ORCID logo https://orcid.org/0000-0003-2292-5584
김혜련(Kim, Hye Ryun) ORCID logo https://orcid.org/0000-0002-1842-9070
김효송(Kim, Hyo Song) ORCID logo https://orcid.org/0000-0002-0625-9828
박준철(Park, Jun Chul) ORCID logo https://orcid.org/0000-0001-8018-0010
신성관(Shin, Sung Kwan)
이상길(Lee, Sang Kil) ORCID logo https://orcid.org/0000-0002-0721-0364
이용찬(Lee, Yong Chan)
이창걸(Lee, Chang Geol) ORCID logo https://orcid.org/0000-0002-8702-881X
정다현(Jung, Da Hyun)
조병철(Cho, Byoung Chul) ORCID logo https://orcid.org/0000-0002-5562-270X
허진(Hur, Jin) ORCID logo https://orcid.org/0000-0002-8651-6571
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