High mobility group box 1 protein released in the course of aseptic necrosis of tissues sensitizes rats to pyrogenic effects of lipopolysaccharide
Copyright © 2019 Elsevier Ltd. All rights reserved..
It is still an open question as to whether or not aseptic injuries affect the generation of fever due to exogenous pyrogens including bacterial products. Therefore, in the present paper we have investigated the course of endotoxin fever in rats induced with lipopolysaccharide (LPS; given intraperitoneally in a dose of 50 μg/kg) 48 h after subcutaneous administration of turpentine oil (TRP; 0.1 mL per rat) that causes aseptic necrosis of tissues. We found that febrile response was significantly augmented in the animals pre-treated with turpentine compared to control rats (pre-treated with saline), and that observed excessive elevation of body temperature (Tb) was accompanied by enhanced release of fever mediators: interleukin-6 (IL-6) and prostaglandin E2 (PGE2) into plasma. Moreover, we found that sensitization to pyrogenic effects of lipopolysaccharide was associated with the increase in plasma level of high mobility group box 1 protein (HMGB1), one of the best-known damage-associated molecular patterns (DAMP), which was recently discovered as inflammatory mediator. Since the injection of anti-HMGB1 antibodies weakened observed hyperpyrexia in the animals pre-treated with turpentine, we conclude that HMGB1 is a plasma-derived factor released in the course of aseptic injury that enhances pyrogenic effects of LPS.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:84 |
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| Enthalten in: |
Journal of thermal biology - 84(2019) vom: 23. Aug., Seite 36-44 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Piotrowski, Jakub [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 28.01.2020 Date Revised 28.01.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jtherbio.2019.05.028 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM300761643 |
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| 520 | |a Copyright © 2019 Elsevier Ltd. All rights reserved. | ||
| 520 | |a It is still an open question as to whether or not aseptic injuries affect the generation of fever due to exogenous pyrogens including bacterial products. Therefore, in the present paper we have investigated the course of endotoxin fever in rats induced with lipopolysaccharide (LPS; given intraperitoneally in a dose of 50 μg/kg) 48 h after subcutaneous administration of turpentine oil (TRP; 0.1 mL per rat) that causes aseptic necrosis of tissues. We found that febrile response was significantly augmented in the animals pre-treated with turpentine compared to control rats (pre-treated with saline), and that observed excessive elevation of body temperature (Tb) was accompanied by enhanced release of fever mediators: interleukin-6 (IL-6) and prostaglandin E2 (PGE2) into plasma. Moreover, we found that sensitization to pyrogenic effects of lipopolysaccharide was associated with the increase in plasma level of high mobility group box 1 protein (HMGB1), one of the best-known damage-associated molecular patterns (DAMP), which was recently discovered as inflammatory mediator. Since the injection of anti-HMGB1 antibodies weakened observed hyperpyrexia in the animals pre-treated with turpentine, we conclude that HMGB1 is a plasma-derived factor released in the course of aseptic injury that enhances pyrogenic effects of LPS | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Cytokines | |
| 650 | 4 | |a Fever | |
| 650 | 4 | |a High mobility group box protein 1 | |
| 650 | 4 | |a Lipopolysaccharide | |
| 650 | 4 | |a Rat | |
| 650 | 4 | |a Turpentine | |
| 650 | 7 | |a HMGB1 Protein |2 NLM | |
| 650 | 7 | |a Hbp1 protein, rat |2 NLM | |
| 650 | 7 | |a Il6 protein, rat |2 NLM | |
| 650 | 7 | |a Interleukin-6 |2 NLM | |
| 650 | 7 | |a Lipopolysaccharides |2 NLM | |
| 650 | 7 | |a Pyrogens |2 NLM | |
| 650 | 7 | |a Dinoprostone |2 NLM | |
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| 700 | 1 | |a Jędrzejewski, Tomasz |e verfasserin |4 aut | |
| 700 | 1 | |a Pawlikowska, Małgorzata |e verfasserin |4 aut | |
| 700 | 1 | |a Wrotek, Sylwia |e verfasserin |4 aut | |
| 700 | 1 | |a Kozak, Wieslaw |e verfasserin |4 aut | |
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