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2022 Fiscal Year Final Research Report

Research on chemoradioresistance factors and novel molecular-targeted drugs for esophageal squamous cell carcinoma centering on MDM2

Research Project

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Project/Area Number 18K16296
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 55020:Digestive surgery-related
Research InstitutionTohoku University

Principal Investigator

Okamoto Hiroshi  東北大学, 大学病院, 助教 (80732487)

Project Period (FY) 2018-04-01 – 2023-03-31
Keywords食道扁平上皮癌 / 化学放射線抵抗性 / Murine double minute 2 / Ki-67 / p16 / HO-1 / TXNRD1 / pMLKL
Outline of Final Research Achievements

In this study, using resected specimens of esophageal squamous cell carcinoma after definitive/preoperative CRT or preoperative chemotherapy, and pretreatment biopsy tissues evaluated mainly by immunohistochemical staining, and comparing with clinicopathological factors and clinical course, we identified Murine double minute 2 (MDM2), p16, p53, Ki-67, phosphorylated mixed lineage kinase domain-like protein (pMLKL), heme oxygenase-1 (HO-1), thioredoxin reductase 1 (TXNRD1) and others. It will lead to implementation in actual clinical practice, prospective clinical research, and construction of a multidisciplinary treatment strategy.

Free Research Field

消化器外科

Academic Significance and Societal Importance of the Research Achievements

本研究により見出された治療効果予測のマーカーを用いて実際の臨床で治療前に予測できるかを前向き臨床試験として検証し、治療戦略へ組み込むことで、治療ガイドラインの策定に寄与し、また、患者にとって無駄な副作用や医療費の負担を軽減することができ、個々の患者に最適な治療法を提供することが可能となる。食道癌患者全体の予後改善にも寄与すると考えられ、医療費削減も含め社会に対する貢献度は大きい。さらなる臨床研究や、分子標的治療への発展、他の(化学)放射線療法を用いる肺癌、子宮頚癌、前立腺癌、脳腫瘍に対する研究への足掛かりになる可能性をも含んでいる。

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Published: 2024-01-30  

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