Evaluation of C-reactive protein as an inflammatory biomarker in rabbits for vaccine nonclinical safety studies
Copyright © 2013 Elsevier Inc. All rights reserved..
INTRODUCTION: Inflammatory reactions are one of the potential safety concerns that are evaluated in the framework of vaccine safety testing. In nonclinical studies, the assessment of the inflammation relies notably on the measurement of biomarkers. C-reactive protein (CRP) is an acute-phase plasma protein of hepatic origin that could be used for that purpose in toxicity studies with rabbits.
METHODS: To evaluate the utility of CRP as an additional inflammatory biomarker in adjuvant or vaccine toxicity studies, rabbits were injected on Day 0 with saline, aluminium phosphate, aluminium hydroxide, Adjuvant System (AS)01, AS03, AS15, or diphtheria-tetanus-whole cell pertussis-hepatitis B vaccine (DTPw-HB). Body weights, haematology parameters, CRP and fibrinogen levels were measured daily up to Day 7. Macroscopic changes at the injection site were also evaluated up to Day 7. At Day 7, a histopathological examination of the injection site was performed.
RESULTS: Like fibrinogen, CRP levels rapidly increased after the injection of Adjuvant Systems or DTPw-HB, peaking at Day 1, and returning to baseline in less than a week. The magnitude of the CRP increase was consistently higher than that of fibrinogen with a larger fold increase from background, providing a more sensitive evaluation. The number of circulating heterophils was also increased on Day 1 after the injection of Adjuvant Systems or DTPw-HB. The highest increases in CRP levels were observed after the injection of DTPw-HB or AS03, and were also associated with the persistence of mixed inflammatory cell infiltrates (including heterophils) at the injection sites on Day 7. No increases in CRP levels and in circulating heterophils were observed after injection of the aluminium salt adjuvants.
DISCUSSION: Our study supports the use of CRP as an accurate biomarker of acute inflammation in rabbits for vaccine toxicity studies and highlights an association between increased CRP levels and the recruitment of heterophils.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2013 |
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| Erschienen: |
2013 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:68 |
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| Enthalten in: |
Journal of pharmacological and toxicological methods - 68(2013), 3 vom: 23. Nov., Seite 367-73 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Destexhe, Eric [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 08.09.2014 Date Revised 19.11.2015 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.vascn.2013.04.003 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Destexhe, Eric |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Evaluation of C-reactive protein as an inflammatory biomarker in rabbits for vaccine nonclinical safety studies |
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| 500 | |a Date Completed 08.09.2014 | ||
| 500 | |a Date Revised 19.11.2015 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2013 Elsevier Inc. All rights reserved. | ||
| 520 | |a INTRODUCTION: Inflammatory reactions are one of the potential safety concerns that are evaluated in the framework of vaccine safety testing. In nonclinical studies, the assessment of the inflammation relies notably on the measurement of biomarkers. C-reactive protein (CRP) is an acute-phase plasma protein of hepatic origin that could be used for that purpose in toxicity studies with rabbits | ||
| 520 | |a METHODS: To evaluate the utility of CRP as an additional inflammatory biomarker in adjuvant or vaccine toxicity studies, rabbits were injected on Day 0 with saline, aluminium phosphate, aluminium hydroxide, Adjuvant System (AS)01, AS03, AS15, or diphtheria-tetanus-whole cell pertussis-hepatitis B vaccine (DTPw-HB). Body weights, haematology parameters, CRP and fibrinogen levels were measured daily up to Day 7. Macroscopic changes at the injection site were also evaluated up to Day 7. At Day 7, a histopathological examination of the injection site was performed | ||
| 520 | |a RESULTS: Like fibrinogen, CRP levels rapidly increased after the injection of Adjuvant Systems or DTPw-HB, peaking at Day 1, and returning to baseline in less than a week. The magnitude of the CRP increase was consistently higher than that of fibrinogen with a larger fold increase from background, providing a more sensitive evaluation. The number of circulating heterophils was also increased on Day 1 after the injection of Adjuvant Systems or DTPw-HB. The highest increases in CRP levels were observed after the injection of DTPw-HB or AS03, and were also associated with the persistence of mixed inflammatory cell infiltrates (including heterophils) at the injection sites on Day 7. No increases in CRP levels and in circulating heterophils were observed after injection of the aluminium salt adjuvants | ||
| 520 | |a DISCUSSION: Our study supports the use of CRP as an accurate biomarker of acute inflammation in rabbits for vaccine toxicity studies and highlights an association between increased CRP levels and the recruitment of heterophils | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a 3-O-desacyl-4′- monophosphoryl lipid A | |
| 650 | 4 | |a Adjuvant | |
| 650 | 4 | |a C-reactive protein | |
| 650 | 4 | |a CRP | |
| 650 | 4 | |a DTPw-HB | |
| 650 | 4 | |a Fibrinogen | |
| 650 | 4 | |a Inflammation | |
| 650 | 4 | |a MPL | |
| 650 | 4 | |a Rabbit | |
| 650 | 4 | |a Safety/toxicity methods | |
| 650 | 4 | |a Vaccine | |
| 650 | 4 | |a WBC | |
| 650 | 4 | |a diphtheria–tetanus–whole cell pertussis–hepatitis B vaccine | |
| 650 | 4 | |a white blood cell | |
| 650 | 7 | |a Adjuvants, Immunologic |2 NLM | |
| 650 | 7 | |a Aluminum Compounds |2 NLM | |
| 650 | 7 | |a Biomarkers |2 NLM | |
| 650 | 7 | |a Diphtheria-Tetanus-Pertussis Vaccine |2 NLM | |
| 650 | 7 | |a Hepatitis B Vaccines |2 NLM | |
| 650 | 7 | |a Phosphates |2 NLM | |
| 650 | 7 | |a Vaccines |2 NLM | |
| 650 | 7 | |a Aluminum Hydroxide |2 NLM | |
| 650 | 7 | |a 5QB0T2IUN0 |2 NLM | |
| 650 | 7 | |a C-Reactive Protein |2 NLM | |
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| 650 | 7 | |a aluminum phosphate |2 NLM | |
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| 700 | 1 | |a Prinsen, Menk K |e verfasserin |4 aut | |
| 700 | 1 | |a van Schöll, Inge |e verfasserin |4 aut | |
| 700 | 1 | |a Kuper, C Frieke |e verfasserin |4 aut | |
| 700 | 1 | |a Garçon, Nathalie |e verfasserin |4 aut | |
| 700 | 1 | |a Veenstra, Stéphane |e verfasserin |4 aut | |
| 700 | 1 | |a Segal, Lawrence |e verfasserin |4 aut | |
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