AIM2 Mediates Inflammation-Associated Renal Damage in Hepatitis B Virus-Associated Glomerulonephritis by Regulating Caspase-1, IL-1β, and IL-18
Background & Aims. AIM2 plays an important role in innate immunity, but its role in regulating the immune response to hepatitis B virus (HBV) is unknown. We hypothesized that AIM2 expression is positively correlated with HBV-mediated inflammation in patients with HBV-associated glomerulonephriti...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | Mediators of Inflammation |
| Online Access: | http://dx.doi.org/10.1155/2014/190860 |
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| author | Junhui Zhen Le Zhang Jiachao Pan Shumin Ma Xiaojian Yu Xiaobo Li Shijun Chen Wenjun Du |
| author_facet | Junhui Zhen Le Zhang Jiachao Pan Shumin Ma Xiaojian Yu Xiaobo Li Shijun Chen Wenjun Du |
| author_sort | Junhui Zhen |
| collection | DOAJ |
| description | Background & Aims. AIM2 plays an important role in innate immunity, but its role in regulating the immune response to hepatitis B virus (HBV) is unknown. We hypothesized that AIM2 expression is positively correlated with HBV-mediated inflammation in patients with HBV-associated glomerulonephritis (HBV-GN), potentiating inflammation and leading to renal damage. We therefore analyzed the expression of AIM2 and inflammatory factors in HBV-GN tissues and cell lines relative to the inflammatory response to HBV infection and HBV status. Methods. Seventy-nine patients with chronic nephritis (CN) were included: 54 with HBV-GN and 24 with chronic glomerulonephritis (CGN). Expression of AIM2, caspase-1, and IL-1β was detected by immunohistochemistry in renal biopsies from each patient. Following siRNA-mediated knockdown of AIM2 in HBV-infected and HBV-uninfected human glomerular mesangial (HGM) cells, expression of caspase-1, IL-1β, and IL-18 was detected by qRT-PCR and Western blot. Results. AIM2 expression in HBV-GN biopsies (81.4%) was significantly higher than in CGN (4.0%) and positively correlated with caspase-1 and IL-1β expression in HBV-GN. In vitro, AIM2 knockdown reduced caspase-1, IL-1β, and IL-18 expression in HBV-infected and HBV-uninfected HGM cells. Conclusion. AIM2 elevation during HBV infection or replication may contribute to inflammatory damage, thus providing a putative therapeutic target for HBV-GN. |
| format | Article |
| id | doaj-art-1e9203e09d8c43b1a5cac0ff7e73d66c |
| institution | Kabale University |
| issn | 0962-9351 1466-1861 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Mediators of Inflammation |
| spelling | doaj-art-1e9203e09d8c43b1a5cac0ff7e73d66c2025-02-03T01:32:57ZengWileyMediators of Inflammation0962-93511466-18612014-01-01201410.1155/2014/190860190860AIM2 Mediates Inflammation-Associated Renal Damage in Hepatitis B Virus-Associated Glomerulonephritis by Regulating Caspase-1, IL-1β, and IL-18Junhui Zhen0Le Zhang1Jiachao Pan2Shumin Ma3Xiaojian Yu4Xiaobo Li5Shijun Chen6Wenjun Du7School of Medicine, Shandong University, Jinan 250012, ChinaSchool of Medicine, Shandong University, Jinan 250012, ChinaSchool of Medicine, Shandong University, Jinan 250012, ChinaSchool of Medicine, Shandong University, Jinan 250012, ChinaSchool of Medicine, Shandong University, Jinan 250012, ChinaDepartment of Pathology, Harbin Medical University, Harbin 150086, ChinaSchool of Medicine, Shandong University, Jinan 250012, ChinaSchool of Medicine, Shandong University, Jinan 250012, ChinaBackground & Aims. AIM2 plays an important role in innate immunity, but its role in regulating the immune response to hepatitis B virus (HBV) is unknown. We hypothesized that AIM2 expression is positively correlated with HBV-mediated inflammation in patients with HBV-associated glomerulonephritis (HBV-GN), potentiating inflammation and leading to renal damage. We therefore analyzed the expression of AIM2 and inflammatory factors in HBV-GN tissues and cell lines relative to the inflammatory response to HBV infection and HBV status. Methods. Seventy-nine patients with chronic nephritis (CN) were included: 54 with HBV-GN and 24 with chronic glomerulonephritis (CGN). Expression of AIM2, caspase-1, and IL-1β was detected by immunohistochemistry in renal biopsies from each patient. Following siRNA-mediated knockdown of AIM2 in HBV-infected and HBV-uninfected human glomerular mesangial (HGM) cells, expression of caspase-1, IL-1β, and IL-18 was detected by qRT-PCR and Western blot. Results. AIM2 expression in HBV-GN biopsies (81.4%) was significantly higher than in CGN (4.0%) and positively correlated with caspase-1 and IL-1β expression in HBV-GN. In vitro, AIM2 knockdown reduced caspase-1, IL-1β, and IL-18 expression in HBV-infected and HBV-uninfected HGM cells. Conclusion. AIM2 elevation during HBV infection or replication may contribute to inflammatory damage, thus providing a putative therapeutic target for HBV-GN.http://dx.doi.org/10.1155/2014/190860 |
| spellingShingle | Junhui Zhen Le Zhang Jiachao Pan Shumin Ma Xiaojian Yu Xiaobo Li Shijun Chen Wenjun Du AIM2 Mediates Inflammation-Associated Renal Damage in Hepatitis B Virus-Associated Glomerulonephritis by Regulating Caspase-1, IL-1β, and IL-18 Mediators of Inflammation |
| title | AIM2 Mediates Inflammation-Associated Renal Damage in Hepatitis B Virus-Associated Glomerulonephritis by Regulating Caspase-1, IL-1β, and IL-18 |
| title_full | AIM2 Mediates Inflammation-Associated Renal Damage in Hepatitis B Virus-Associated Glomerulonephritis by Regulating Caspase-1, IL-1β, and IL-18 |
| title_fullStr | AIM2 Mediates Inflammation-Associated Renal Damage in Hepatitis B Virus-Associated Glomerulonephritis by Regulating Caspase-1, IL-1β, and IL-18 |
| title_full_unstemmed | AIM2 Mediates Inflammation-Associated Renal Damage in Hepatitis B Virus-Associated Glomerulonephritis by Regulating Caspase-1, IL-1β, and IL-18 |
| title_short | AIM2 Mediates Inflammation-Associated Renal Damage in Hepatitis B Virus-Associated Glomerulonephritis by Regulating Caspase-1, IL-1β, and IL-18 |
| title_sort | aim2 mediates inflammation associated renal damage in hepatitis b virus associated glomerulonephritis by regulating caspase 1 il 1β and il 18 |
| url | http://dx.doi.org/10.1155/2014/190860 |
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