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https://ir.cnu.edu.tw/handle/310902800/34632
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| 標題: | EBV infection mediated BDNF expression is associated with bladder inflammation in interstitial cystitis/bladder pain syndrome with Hunner's lesion |
| 作者: | Jhang, Jia-Fong
Liu, Cheng-Der
Hsu, Yung-Hsiang
Chen, Chien-Chin
Chen, Hsiang-Chin
Jiang, Yuan-Hong
Wu, Wan-Chen
Peng, Chih-Wen
Kuo, Hann-Chorng |
| 貢獻者: | Buddhist Tzu Chi General Hospital
Hualien Tzu Chi Hospital
Tzu Chi University
National Dong Hwa University
Buddhist Tzu Chi General Hospital
Hualien Tzu Chi Hospital
Tzu Chi University
Department of Cosmetic Science, Chia Nan University of Pharmacy & Science
National Cheng Kung University
Buddhist Tzu Chi General Hospital
Hualien Tzu Chi Hospital |
| 關鍵字: | botulinum-toxin-a
syndrome/interstitial cystitis
neurotrophic factor
cell-line
coactivation
identification
prevalence
promoter
binding
trkb |
| 日期: | 2023 |
| 上傳時間: | 2023-12-11 14:01:39 (UTC+8) |
| 出版者: | WILEY |
| 摘要: | Interstitial cystitis/bladder pain syndrome with Hunner's lesion (HIC) is characterized by chronic inflammation and nerve hyperplasia; however, the pathogenesis of HIC remains a mystery. In this study, we detected both Epstein-Barr virus (EBV) latency infection genes EBNA-1 and LMP-1 and EBV lytic infection BZLF-1 and BRLF-1 expression in the HIC bladders, indicating the coexistence of EBV persistence and reactivation in the B cells in HIC bladders. Upregulation of EBV-associated inflammatory genes in HIC bladders, such as TNF-alpha and IL-6, suggests EBV infection is implicated in the pathogenesis of bladder inflammation. Nerve hyperplasia and upregulation of brain-derived neurotrophic factor (BDNF) were noted in the HIC bladders. Double immunochemical staining and flow cytometry revealed the origin of BDNF to be EBV-infected B cells. Inducible BDNF expression was noted in B cells upon EBV infection, but not in the T cells. A chromatin immunoprecipitation study revealed BDNF transcription could be promoted by cooperation between EBV nuclear antigens, chromatin modifiers, and B-cell-specific transcription. Knockdown of BDNF in EBV-infected B cells resulted in the inhibition of cell proliferation and viability. Downregulation of phosphorylated SMAD2 and STAT3 after BDNF knockdown may play a role in the mechanism. Implantation of latent EBV-infected B cells into rat bladder walls resulted in a higher expression level of CD45 and PGP9.5, suggesting tissue inflammation and nerve hyperplasia. In contrast, implantation of BDNF depleted EBV-infected B cells abrogated these effects. This is the first study to provide insights into the mechanisms underlying the involvement of EBV-infected B cells in HIC pathogenesis. (c) 2022 The Pathological Society of Great Britain and Ireland. |
| 關聯: | Journal of Pathology, v.259, n.3, pp.276-290 |
| 显示于类别: | [化妝品應用與管理系(所)] 期刊論文
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