The egg ribonuclease SjCP1412 accelerates liver fibrosis caused by Schistosoma japonicum infection involving damage-associated molecular patterns (DAMPs)
Schistosomiasis, a parasite infectious disease caused by Schistosoma japonicum, often leads to egg granuloma and fibrosis due to the inflammatory reaction triggered by egg antigens released in the host liver. This study focuses on the role of the egg antigens CP1412 protein of S. japonicum (SjCP1412) with RNase activity in promoting liver fibrosis. In this study, the recombinant egg ribonuclease SjCP1412, which had RNase activity, was successfully prepared. By analysing the serum of the population, it has been proven that the anti-SjCP1412 IgG in the serum of patients with advanced schistosomiasis was moderately correlated with liver fibrosis, and SjCP1412 may be an important antigen associated with liver fibrosis in schistosomiasis. In vitro, the rSjCP1412 protein induced the human liver cancer cell line Hep G2 and liver sinusoidal endothelial cells apoptosis and necrosis and the release of proinflammatory damage-associated molecular patterns (DAMPs). In mice infected with schistosomes, rSjCP1412 immunization or antibody neutralization of SjCP1412 activity significantly reduced cell apoptosis and necroptosis in liver tissue, thereby reducing inflammation and liver fibrosis. In summary, the SjCP1412 protein plays a crucial role in promoting liver fibrosis during schistosomiasis through mediating the liver cells apoptosis and necroptosis to release DAMPs inducing an inflammatory reaction. Blocking SjCP1412 activity could inhibit its proapoptotic and necrotic effects and alleviate hepatic fibrosis. These findings suggest that SjCP1412 may be served as a promising drug target for managing liver fibrosis in schistosomiasis japonica.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:151 |
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| Enthalten in: |
Parasitology - 151(2024), 3 vom: 16. März, Seite 260-270 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Qi-Feng [VerfasserIn] |
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| Links: |
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| Themen: |
DAMPs |
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| Anmerkungen: |
Date Completed 09.04.2024 Date Revised 25.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1017/S0031182023001361 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM365964077 |
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| 245 | 1 | 4 | |a The egg ribonuclease SjCP1412 accelerates liver fibrosis caused by Schistosoma japonicum infection involving damage-associated molecular patterns (DAMPs) |
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| 520 | |a Schistosomiasis, a parasite infectious disease caused by Schistosoma japonicum, often leads to egg granuloma and fibrosis due to the inflammatory reaction triggered by egg antigens released in the host liver. This study focuses on the role of the egg antigens CP1412 protein of S. japonicum (SjCP1412) with RNase activity in promoting liver fibrosis. In this study, the recombinant egg ribonuclease SjCP1412, which had RNase activity, was successfully prepared. By analysing the serum of the population, it has been proven that the anti-SjCP1412 IgG in the serum of patients with advanced schistosomiasis was moderately correlated with liver fibrosis, and SjCP1412 may be an important antigen associated with liver fibrosis in schistosomiasis. In vitro, the rSjCP1412 protein induced the human liver cancer cell line Hep G2 and liver sinusoidal endothelial cells apoptosis and necrosis and the release of proinflammatory damage-associated molecular patterns (DAMPs). In mice infected with schistosomes, rSjCP1412 immunization or antibody neutralization of SjCP1412 activity significantly reduced cell apoptosis and necroptosis in liver tissue, thereby reducing inflammation and liver fibrosis. In summary, the SjCP1412 protein plays a crucial role in promoting liver fibrosis during schistosomiasis through mediating the liver cells apoptosis and necroptosis to release DAMPs inducing an inflammatory reaction. Blocking SjCP1412 activity could inhibit its proapoptotic and necrotic effects and alleviate hepatic fibrosis. These findings suggest that SjCP1412 may be served as a promising drug target for managing liver fibrosis in schistosomiasis japonica | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a DAMPs | |
| 650 | 4 | |a Schistosoma japonicum | |
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| 650 | 4 | |a liver fibrosis | |
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| 700 | 1 | |a Yang, Ying-Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Pan-Pan |e verfasserin |4 aut | |
| 700 | 1 | |a Mei, Cong-Jin |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Ju-Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jian-Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Hua, Hai-Yong |e verfasserin |4 aut | |
| 700 | 1 | |a Xiong, Chun-Rong |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Chuan-Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Song, Li-Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Kun |e verfasserin |4 aut | |
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