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急性腎損傷におけるパノプトーシス関連遺伝子の診断:バイオインフォマティクス,機械学習,および検証

Zhen Chen¹, Xiaogang Wang¹, Yifan Shao¹

¹Departments of Urology, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu Province, China.

Annals of medicine

|September 2, 2025

まとめ

細胞死であるPANOPTOSISは,急性腎臓損傷 (AKI) で重要な役割を果たしています. この研究では,AKIを診断するための潜在的なバイオマーカーとして,そして将来の治療のための標的として,特定のPANOPTOSIS遺伝子を特定しました.

科学分野:

分子生物学
免疫学
遺伝学

背景:

急性腎臓損傷 (AKI) は,腎臓機能の急速な喪失と炎症を含む重大な状態です.
PANoptosisはプログラムされた細胞死の一種で AKIの発達と進行に大きく寄与します
PANoptosisに関連する遺伝子の役割を理解することは,AKIの研究にとって極めて重要です.

研究の目的:

AKIにおける PANoptosisに関連する遺伝子の診断および治療の可能性を調査する.
AKIの病理生理学に関連した重要なPANOPTOSIS遺伝子を特定する.
PANoptosis遺伝子,免疫細胞の浸透,およびAKIにおける潜在的な薬物標的との関係を調査する.

主な方法:

AKIにおけるPANOPTOSISに関連した差異的に発現する遺伝子 (DEGs) を特定するために,腎臓バイオプシーからのトランスクリプトミカルデータを分析した.
ハブ遺伝子を特定するために,加重遺伝子相関ネットワーク解析 (WGCNA) が使用された.
シングルサンプルの遺伝子セットエンリッチメント分析 (ssGSEA) で,PANOPTOSISスコアと免疫細胞浸透を計算した.
機械学習アルゴリズムとROC分析により,診断特性の遺伝子と薬物-遺伝子相互作用が調査されました.

主要な成果:

サイトカインシグナル伝達とアポトーシス経路で濃縮された,PANoptosisに関連するDEGsが特定されました.
8つのハブPANOPTOSIS遺伝子が特定され,AKI患者のPANOPTOSISスコアは著しく高かった.
CASP8,CASP4,SFN,FAS,およびCASP1を主要な診断マーカーとして選択し,CASP8は高い予測値 (AUC=0. 850) を示した.
これらの遺伝子は免疫細胞の浸透と相関し,ラットモデルで検証された潜在的薬物関連性を示した.

結論:

PANoptosisに関連する遺伝子は,AKIの有望な診断バイオマーカーとして機能します.
これらの遺伝子はAKI治療の潜在的治療標的を表しています.
この発見は,AKIに関連した免疫不調における PANoptosisの役割を強調しています.

キーワード:

急性腎臓損傷アポトーシス診断する免疫マイクロ環境ネクロプトーシスピロプトーシス

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