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2021 Fiscal Year Final Research Report

Strategy for prevention of interstitial lung disease induced by molecular targeted therapy.

Research Project

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Project/Area Number 19K07191
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 47060:Clinical pharmacy-related
Research InstitutionKobe University

Principal Investigator

Yamamoto Kazuhiro  神戸大学, 医学部附属病院, 講師 (30610349)

Project Period (FY) 2019-04-01 – 2022-03-31
Keywords間質性肺疾患 / 分子標的治療薬 / mTOR / ILD
Outline of Final Research Achievements

Our clinical study demonstrated that the patients with specific genotype of signal transducer and activator of transcription 3 (STAT3) polymorphism have higher cumulative incidence of interstitial lung disease (ILD). Moreover, our basic study revealed that A549 cells, an alveolar epithelial cell line carried with ILD low-risk genotype, shown reduction of CXCL2 and enhancement of Akt activity by long-term exposure of everolimus in addition to induction of epithelial mesenchymal transition. These molecular expression and activity changes may be an important perception for the preventive strategy for ILD.

Free Research Field

医療薬学

Academic Significance and Societal Importance of the Research Achievements

本研究成果によりSTAT3遺伝子多型とmTOR阻害薬による間質性肺疾患との関連を明らかにし、STAT3遺伝子多型が間質性肺疾患の事前予測因子となる可能性を示した。この関連が詳細に検証され、検査として臨床応用された場合、本研究成果は分子標的型抗がん薬による間質性肺疾患の死亡者数の減少やmTOR阻害薬治療患者のQOLの向上に加え、mTOR阻害薬の治療成績の向上にも寄与する。また、mTOR阻害薬の長期曝露により生じる組織線維化の初期過程に寄与する分子を特定した。この分子の間質性肺疾患の発症における役割を詳細に解析することで、間質性肺疾患のメカニズムに基づく予防法を確立することができる。

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Published: 2023-01-30  

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