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Published on: June 6, 2025
lncRNA ch-MYC-AS1 restricts ALV-J replication by disrupting the ANXA2-C-Myc oncogenic axis
Suyu Fan1,2, Weiyi Zhou3, Xuming Hu1,2
1Jiangsu Key Laboratory for Animal Genetic, Breeding and Molecular Design, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China.
A novel long noncoding RNA, ch-MYC-AS1, inhibits avian leukosis virus subgroup J (ALV-J) replication. It targets the c-Myc/ANXA2 pathway, offering a potential strategy against retroviral infections and MYC-driven cancers.
Area of Science:
- Virology
- Molecular Biology
- Oncology
Background:
- Long noncoding RNAs (lncRNAs) role in viral oncogenesis is understudied.
- c-Myc oncogene is crucial in viral-induced cancers and immune evasion.
- Avian leukosis virus subgroup J (ALV-J) causes tumors and immunosuppression in poultry.
Purpose of the Study:
- Investigate the role of lncRNAs in ALV-J replication.
- Identify novel host factors that restrict retroviral infection.
- Explore therapeutic strategies targeting viral oncogenesis.
Main Methods:
- Utilized chicken macrophage HD11 cells for experiments.
- Investigated the interaction between ch-MYC-AS1, c-Myc, and ANXA2.
- Analyzed the impact of ch-MYC-AS1 on viral replication and cellular metabolism.
Main Results:
- Identified ch-MYC-AS1, a novel lncRNA, that restricts ALV-J replication.
- Demonstrated that ch-MYC-AS1 binds ANXA2, inhibiting its nuclear translocation.
- Showed that this disrupts the c-Myc/ANXA2 axis, suppressing glycolysis and viral proliferation.
Conclusions:
- ch-MYC-AS1 acts as a suppressor of retroviral replication by targeting the c-Myc/ANXA2 signaling pathway.
- This discovery reveals a new antiviral defense mechanism mediated by lncRNAs.
- Targeting the ANXA2-c-Myc interaction presents a potential therapeutic avenue for ALV-J and MYC-driven diseases.
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