机构:[1]Beijing Key Laboratory of Pediatric Hematology Oncology, National Discipline of Pediatrics, Ministry of Education, MOE Key Laboratory of Major Diseases in Children, Hematology Oncology Center, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, No. 56 Nanlishi Road, Beijing 100045, China.医技科室职能科室临床流行病与循证医学中心血液中心首都医科大学附属北京儿童医院[2]Joy Orient Translational Medicine Research Center for the Sequences Analysis and Blast, Beijing, China.
Background: We ought to explore the acquired somatic alterations, shedding light on genetic basis of somatic alterations in NB patients with chemotherapy. Methods: Marrow blood samples from NB patients were collected before treatment, after the 2nd and 4th chemotherapy for baseline research and continuous monitoring by whole exome sequencing. Plasma cell free DNA (cfDNA) was prepared for baseline research. Finger nail cells were extracted as self control. The clinical data was analyzed. Results: From December 2014 to February 2016, 27 cases of children with stage IV NB were diagnosed. The follow up time ranged from 5 to 25 months, with a median follow up time of 17 months, 20 patients were stable, one patient died of pulmonary embolism during surgery, six patients died of disease progression. Marrow blood whole exome sequencing demonstrated that several novel somatic mutations were identified in all three trios comply or against the trendy of tumor size variation. Of note, six recurrent mutations in bromodomain PHD finger transcription factor (BPTF) were identified in nine NB patients under the continuous monitoring. The mutation rates variation was positively correlated to tumor size (CC = 0.428, P = 0.021), and patients with BPTF mutation may have a worse prognosis compared with wild type. Meanwhile, CGREF1, CUX2, GP1BA, SLC45A1 and TRA2A were mutated with the trendy oppose as therapeutic effects. The baseline research in three NB patients demonstrated that mutation rate of BPTF, TMCO3, GPRIN2 and C20orf96 in plasma cfDNA were in positive correlation with bone marrow genomic DNA (P = 0.001). Conclusions: Our study showed that BPTF along with other mutations may function as a biomarker for evaluating to effects of chemotherapy to this refractory tumor, and patients with BPTF mutation might have a worse prognosis.
基金:
Beijing Municipal Science and Technology CommissionBeijing Municipal Science & Technology Commission [Z151100004015159]
第一作者机构:[1]Beijing Key Laboratory of Pediatric Hematology Oncology, National Discipline of Pediatrics, Ministry of Education, MOE Key Laboratory of Major Diseases in Children, Hematology Oncology Center, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, No. 56 Nanlishi Road, Beijing 100045, China.
共同第一作者:
通讯作者:
通讯机构:[1]Beijing Key Laboratory of Pediatric Hematology Oncology, National Discipline of Pediatrics, Ministry of Education, MOE Key Laboratory of Major Diseases in Children, Hematology Oncology Center, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, No. 56 Nanlishi Road, Beijing 100045, China.
推荐引用方式(GB/T 7714):
Duan Chao,Wang Han,Chen Ying,et al.Whole exome sequencing reveals novel somatic alterations in neuroblastoma patients with chemotherapy[J].CANCER CELL INTERNATIONAL.2018,18(1):-.doi:10.1186/s12935-018-0521-3.
APA:
Duan, Chao,Wang, Han,Chen, Ying,Chu, Ping,Xing, Tianyu...&Ma, Xiaoli.(2018).Whole exome sequencing reveals novel somatic alterations in neuroblastoma patients with chemotherapy.CANCER CELL INTERNATIONAL,18,(1)
MLA:
Duan, Chao,et al."Whole exome sequencing reveals novel somatic alterations in neuroblastoma patients with chemotherapy".CANCER CELL INTERNATIONAL 18..1(2018):-