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Updated: Aug 3, 2025
Isolation and Quantification of Epstein-Barr Virus from the P3HR1 Cell Line
Published on: September 28, 2022
Positive correlation between latent Epstein-Barr virus infection and severity of illness in inflammatory bowel
Hong-Tao Wei1, Xiao-Wei Xue2, Qing Ling2
1Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
Background:
Emerging studies indicate the critical involvement of microorganisms, such as Epstein-Barr virus (EBV), in the pathogenesis of inflammatory bowel disease (IBD). Immunosuppressive therapies for IBD can reactivate latent EBV, complicating the clinical course of IBD. Moreover, the clinical significance of EBV expression in B lymphocytes derived from IBD patients' intestinal tissues has not been explored in detail.
Aim:
To explore the clinical significance of latent EBV infection in IBD patients.
Methods:
Latent EBV infection was determined by double staining for EBV encoded RNA and CD20 in colon specimens of 43 IBD patients who underwent bowel resection. Based on the staining results, the patients were divided into two groups, according to their latent EBV infection states - negative (n = 33) and positive (n = 10). Illness severity of IBD were assigned according to Crohn's disease activity index (ulcerative colitis) and Mayo staging system (Crohn's disease). The clinic-pathological data were analyzed between the two different latent EBV groups and also between the mild-to-moderate and severe disease groups.
Results:
Systolic pressure (P = 0.005), variety of disease (P = 0.005), the severity of illness (P = 0.002), and pre-op corticosteroids (P = 0.025) were significantly different between the EBV-negative and EBV-positive groups. Systolic pressure (P = 0.001), variety of disease (P = 0.000), pre-op corticosteroids (P = 0.011) and EBV infection (P = 0.003) were significantly different between the mild-to-moderate and severe disease groups.
Conclusion:
IBD patients with latent EBV infection may manifest more severe illnesses. It is suggested that the role of EBV in IBD development should be further investigated, latent EBV infection in patients with serious IBD should be closely monitored, and therapeutic course should be optimized.
Insights
Latent Epstein-Barr virus (EBV) infection is linked to more severe inflammatory bowel disease (IBD) in patients. Monitoring EBV in IBD is crucial for managing disease severity and optimizing treatment.
Area of Science:
- Gastroenterology
- Virology
- Immunology
Background:
- Epstein-Barr virus (EBV) is increasingly implicated in inflammatory bowel disease (IBD) pathogenesis.
- Immunosuppression for IBD can reactivate latent EBV, complicating patient care.
- The clinical impact of EBV in IBD patients' intestinal B lymphocytes remains under-explored.
Purpose of the Study:
- To investigate the clinical significance of latent EBV infection in patients diagnosed with IBD.
Main Methods:
- Latent EBV infection was detected using EBV-encoded RNA and CD20 double staining in colon tissues from 43 IBD patients.
- Patients were categorized into EBV-negative (n=33) and EBV-positive (n=10) groups.
- Disease severity was assessed using established indices (Crohn's disease activity index and Mayo staging system).
Main Results:
- Significant differences between EBV-negative and EBV-positive groups included systolic pressure, disease variety, illness severity, and pre-operative corticosteroid use.
- Mild-to-moderate versus severe disease groups showed significant variations in systolic pressure, disease variety, pre-operative corticosteroid use, and EBV infection status.
Conclusions:
- Latent EBV infection may be associated with increased disease severity in IBD patients.
- Further research into EBV's role in IBD development is recommended.
- Close monitoring of latent EBV in severe IBD cases and optimized therapeutic strategies are advised.
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