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Identification and functional analysis of novel translocation gene in T-cell acute lymphoblastic leukemia

Research Project

Project/Area Number 15K19629
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Pediatrics
Research InstitutionJichi Medical University

Principal Investigator

Kawahara Yuta  自治医科大学, 医学部, 助教 (10570385)

Research Collaborator Morimoto Akira  
Project Period (FY) 2015-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
KeywordsT-ALL / 新規ABL1融合遺伝子 / ABL1 / UBAP2L / RT-PCR / クローニング / 遺伝子導入 / 機能解析 / EcoR1 / BamH1 / 制限酵素地図作成 / RNAシークエンス
Outline of Final Research Achievements

In this study, I identified a novel ABL1 fusion gene (UBAP2L-ABL1) newly found in patients with T-cell acute lymphoblastic leukemia (T-ALL) by RNA sequencing and performed amplification of UBAP2L-ABL1. ABL1 gene forms a BCR-ABL1 fusion gene in chronic myelocytic leukemia which has a persistent tyrosine kinase activity. It strongly promotes cell proliferation and is involved in leukemogenesis.
In the future, UBAP2L-ABL1 will be introduced into the mouse cell line, and functional analysis will be performed to clarify the role of UBAP2L-ABL1 in T-ALL. This research may lead to treatment with tyrosine kinase inhibitors for T-ALL with UBAP2L-ABL1.

Academic Significance and Societal Importance of the Research Achievements

UBAP2Lは造血幹細胞(血球の元となる細胞)の活性化に関与する遺伝子で、またいくつかの腫瘍で高発現していることがわかっている。T-ALLの新たな融合遺伝子であるUBAP2L-ABL1を同定したことによって、UBAP2LのT-ALL発症への関与の可能性が示唆された。
また、UBAP2L-ABL1によるT-ALL発症機序を解明するによって、UBAP2L-ABL1融合遺伝子を有するT-ALLにおいてチロシンキナーゼ阻害薬(ABL1はチロシンキナーゼであり、ABL1の機能を阻害する薬)による治療が可能となり、治療成績の改善が期待される。

Report

(5 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • 2015 Research-status Report

URL: 

Published: 2015-04-16   Modified: 2020-03-30  

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