细胞系组装的肠道有机体的工程,用于肠道病毒感染
Alpana S Moghe1, Shyam Sunder Nandi2, Ramesh R Bhonde3
1Department of Cell and Molecular Biology, Rajiv Gandhi Institute of IT & Biotechnology, Bharati Vidyapeeth Deemed to be University, Pune - Satara Road, Pune, Maharashtra State, 411046, India. alpana.moghe@bharatividyapeeth.edu.
Archives of virology
|March 10, 2026
概括
研究人员开发了一种新的3D人类肠道器官模型. 这种具有成本效益的系统支持强大的肠道病毒复制,促进了这些重要病原体的临床前研究.
科学领域:
- 病毒学 病毒学
- 细胞生物学 细胞生物学
- 生物技术是生物技术.
背景情况:
- 非脊髓灰质炎肠道病毒是广泛传播的病原体,在全球引起严重疾病.
- 现有的体外模型不足以用于肠道病毒研究,阻碍了疫苗的开发.
研究的目的:
- 开发一种人类肠道的新型细胞系组装器官模型.
- 为了实现强大的肠道病毒复制,用于临床前研究.
主要方法:
- 使用CRISPR/cas9.9使用PSGL1受体的工程HCT-8肠上皮细胞.
- 在生物反应器中与CCD-18和HUVEC细胞系和PBMC共培养工程细胞,以形成3D有机体.
- 经过验证的有机体结构和细胞标记 (CK,CK20,MUC2,Villin).
主要成果:
- 有机体表现出人类肠道上皮的特征.
- 与单细胞系相比,肠道病毒A71 (EV-A71) 在有机体中表现出明显更高的复制率.
- 该模型证明了生理相关性,并支持强大的病毒复制.
结论:
- 已经建立了一个新的细胞系衍生肠道器官模型,支持肠道病毒复制.
- 该模型为病毒学研究提供了一个具有成本效益和生理相关性的平台.
- 器官系统为肠道病毒临床前研究和疫苗开发提供了有前途的应用.
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