Protective effect of Inonotus obliquus polysaccharide on mice infected with Neospora caninum
Copyright © 2024 Elsevier B.V. All rights reserved..
The study aimed to explore the protective effects of Inonotus obliquus polysaccharide (IOP) on Neospora caninum (N. caninum) infection. Our data showed that the survival rate of the mice was the highest and the survival time was the longest when the IOP was 2 mg/10 g. In agreement with these observations, IOP alleviated the pathological damage in the various organs and tissues of the mice. Compared with that in the Neosporidium infection model group, the content of N. caninum in the heart, liver, spleen, lung, kidney and brain, determined through HE staining, was significantly lower. In addition, IOP inhibited the levels of immunoglobulin G1 (IgG1) and immunoglobulin G2 (IgG2a) from the 21st to 42nd day of the administration group, whereas the levels of interleukin-12 (IL-12) and serum tumor necrosis factor alpha (TNF-α) were down-regulated at 7 d - 42 d. The production of CD4+ T lymphocytes was promoted, the number of CD8+ T lymphocytes were significantly lower and the CD4+/CD8+ ratio was significantly elevated. Furthermore, IOP effectively balanced the levels of hormones including gonadotropin-releasing hormone (GnRH), luteotropic hormone (LH) and testosterone (T) in male mice, and progesterone (PROG), estradiol (E2) and prolactin (PRL) in female mice. These findings demonstrate that IOP exerts protective effects against pathological damage caused by N. caninum infection in mice, and improve the immune function of the organism and regulate the secretion balance of sex hormones.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:261 |
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| Enthalten in: |
International journal of biological macromolecules - 261(2024), Pt 2 vom: 11. März, Seite 129906 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Tang, Zeyu [VerfasserIn] |
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| Links: |
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| Themen: |
9002-67-9 |
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| Anmerkungen: |
Date Completed 13.03.2024 Date Revised 13.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ijbiomac.2024.129906 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM367988704 |
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| 520 | |a The study aimed to explore the protective effects of Inonotus obliquus polysaccharide (IOP) on Neospora caninum (N. caninum) infection. Our data showed that the survival rate of the mice was the highest and the survival time was the longest when the IOP was 2 mg/10 g. In agreement with these observations, IOP alleviated the pathological damage in the various organs and tissues of the mice. Compared with that in the Neosporidium infection model group, the content of N. caninum in the heart, liver, spleen, lung, kidney and brain, determined through HE staining, was significantly lower. In addition, IOP inhibited the levels of immunoglobulin G1 (IgG1) and immunoglobulin G2 (IgG2a) from the 21st to 42nd day of the administration group, whereas the levels of interleukin-12 (IL-12) and serum tumor necrosis factor alpha (TNF-α) were down-regulated at 7 d - 42 d. The production of CD4+ T lymphocytes was promoted, the number of CD8+ T lymphocytes were significantly lower and the CD4+/CD8+ ratio was significantly elevated. Furthermore, IOP effectively balanced the levels of hormones including gonadotropin-releasing hormone (GnRH), luteotropic hormone (LH) and testosterone (T) in male mice, and progesterone (PROG), estradiol (E2) and prolactin (PRL) in female mice. These findings demonstrate that IOP exerts protective effects against pathological damage caused by N. caninum infection in mice, and improve the immune function of the organism and regulate the secretion balance of sex hormones | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Immune function | |
| 650 | 4 | |a Inonotus obliquus polysaccharide | |
| 650 | 4 | |a Neospora caninum | |
| 650 | 4 | |a Pharmacodynamics | |
| 650 | 4 | |a Sex hormones | |
| 650 | 7 | |a Polysaccharides |2 NLM | |
| 650 | 7 | |a Luteinizing Hormone |2 NLM | |
| 650 | 7 | |a 9002-67-9 |2 NLM | |
| 650 | 7 | |a Immunoglobulins |2 NLM | |
| 700 | 1 | |a Xie, Suzhu |e verfasserin |4 aut | |
| 700 | 1 | |a Min, Pengfei |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Hang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Fanglin |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Meng |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, Weidong |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Longsheng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Jianhao |e verfasserin |4 aut | |
| 700 | 1 | |a Jia, Lijun |e verfasserin |4 aut | |
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