CTSL-2 upon specifically recognizing Vibrio splendidus directly cleaves complement C3 to promote the bacterial phagocytosis and degradation in oyster

Abstract Cathepsin L (CTSL) as a cysteine cathepsin protease mediates complement C3 cleavage and pathogen degradation. In the present study, a CTSL homolog was identified from Crassostrea gigas (designated as CgCTSL-2). Its mRNA expression increased significantly in hemocytes after Vibrio splendidus...

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Main Authors: Qiuyan Guo, Wenwen Yang, Weishuai Shan, Hongsheng Yao, Xiangqi Shi, Lingling Wang, Jiejie Sun, Linsheng Song
Format: Article
Language:English
Published: BMC 2025-04-01
Series:Cell Communication and Signaling
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Online Access:https://doi.org/10.1186/s12964-025-02205-z
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