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2023 Fiscal Year Final Research Report

Establishment of in-vitro evaluation of sinusitis using nasal polyp-derived cells

Research Project

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Project/Area Number 19K09900
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 56050:Otorhinolaryngology-related
Research InstitutionJuntendo University

Principal Investigator

Honma Hirotomo  順天堂大学, 医学部, 准教授 (90433771)

Co-Investigator(Kenkyū-buntansha) 楠 威志  順天堂大学, 医学部, 教授 (30248025)
池田 勝久  順天堂大学, 医学部, 特任教授 (70159614)
Project Period (FY) 2019-04-01 – 2024-03-31
Keywords副鼻腔炎 / 免疫エフェクター細胞 / IL-17 / 副鼻腔ポリープ由来細胞 / 免疫応答プロファイル
Outline of Final Research Achievements

Sinusitis induces a variety of molecular immune responses, and detailed classification of the interaction mechanisms between immune effector cells and cytokine target cells such as IL-17 according to pathology would contribute greatly to treatment strategies. In this study, we aimed to develop a simple in vitro evaluation system using sinonasal polyp-derived cells and establish a new pathology evaluation and classification method for the molecular immune mechanisms in various sinusitis. Specifically, 1) we established a wide variety of cultured cells derived from nasal polyps, 2) we comprehensively analyzed the secretory response of immune substances to stimulation by various cytokines such as IL-17, and 3) we established immune response profiles according to pathology.

Free Research Field

耳鼻咽喉科学

Academic Significance and Societal Importance of the Research Achievements

これまでヒト副鼻腔由来細胞の培養系の報告はあるが、安定的に評価するためには一週間以上の期間を要し各患者ごとの同一条件のプロファイリングには適していなかった。短期間で簡便に解析できるin vitro評価系を構築できれば患者の生体組織に類似した環境下での解析が可能となると考えられる。このような評価法を確立し多様な副鼻腔炎の分子免疫応答における免疫エフェクター細胞とサイトカイン標的細胞との相互作用機序を病態ごとに詳細分類できれば、今後の個別化治療の戦略に大きく貢献できる意義深い研究である。

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Published: 2025-01-30  

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