Immunomodulatory Effects of Combined Nicotinic Acid and Prednisolone in Adjuvant-induced Arthritis
Copyright© Bentham Science Publishers; For any queries, please email at epubbenthamscience.net..
BACKGROUND: The combination of two drugs may lead to better results while reducing the need for each medication.
OBJECTIVE: This study aimed to explore the synergistic benefits of combination therapy by suboptimal dose of niacin (Nic.) and prednisolone (Pred.) in an experimental model of Rheumatoid arthritis (RA).
METHODS: About 50 male Wistar rats (weighing 150 - 160 grams) were randomly divided into five groups of ten, including healthy and RA groups treated with Nic. (80 mg/kg-orally), or Pred. (2 mg/kg-orally), and/or co-administration of Nic. and Pred. (half doses with each one-orally). RA was induced by the injection of complete Freund's adjuvant into the hind paw of each rat. All treatments were initiated on the fifth day following the induction and continued until day 30 post-induction.
RESULTS: The combined Nic. and Pred. at half doses promoted a significant regression in the severity of the established RA, which is more pronounced than full doses of either drug alone. Combination therapy promoted a reduction in some hematological and biochemical RA parameters, like neutral red uptake by phagocytic cells, myeloperoxidase, nitric oxide, and C-reactive protein, more profound than each drug alone. Combined treatment caused a greater decrease in IFN-γ expression than other treatments in the area of plantar joints. All treatments were effective in increasing the expression of the IL-10 in the area of plantar joints. Prednisolone was less effective in reducing the expression of the TNF-α in the area of plantar joints than the other group.
CONCLUSION: This combination may be a useful approach to controlling RA.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:22 |
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| Enthalten in: |
Anti-inflammatory & anti-allergy agents in medicinal chemistry - 22(2023), 2 vom: 16., Seite 104-112 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Mirzaaghasi, Shadan [VerfasserIn] |
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| Links: |
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| Themen: |
2679MF687A |
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| Anmerkungen: |
Date Completed 06.12.2023 Date Revised 06.12.2023 published: Print Citation Status MEDLINE |
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| doi: |
10.2174/0118715230264101230925060355 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM363385959 |
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| 500 | |a Date Revised 06.12.2023 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright© Bentham Science Publishers; For any queries, please email at epubbenthamscience.net. | ||
| 520 | |a BACKGROUND: The combination of two drugs may lead to better results while reducing the need for each medication | ||
| 520 | |a OBJECTIVE: This study aimed to explore the synergistic benefits of combination therapy by suboptimal dose of niacin (Nic.) and prednisolone (Pred.) in an experimental model of Rheumatoid arthritis (RA) | ||
| 520 | |a METHODS: About 50 male Wistar rats (weighing 150 - 160 grams) were randomly divided into five groups of ten, including healthy and RA groups treated with Nic. (80 mg/kg-orally), or Pred. (2 mg/kg-orally), and/or co-administration of Nic. and Pred. (half doses with each one-orally). RA was induced by the injection of complete Freund's adjuvant into the hind paw of each rat. All treatments were initiated on the fifth day following the induction and continued until day 30 post-induction | ||
| 520 | |a RESULTS: The combined Nic. and Pred. at half doses promoted a significant regression in the severity of the established RA, which is more pronounced than full doses of either drug alone. Combination therapy promoted a reduction in some hematological and biochemical RA parameters, like neutral red uptake by phagocytic cells, myeloperoxidase, nitric oxide, and C-reactive protein, more profound than each drug alone. Combined treatment caused a greater decrease in IFN-γ expression than other treatments in the area of plantar joints. All treatments were effective in increasing the expression of the IL-10 in the area of plantar joints. Prednisolone was less effective in reducing the expression of the TNF-α in the area of plantar joints than the other group | ||
| 520 | |a CONCLUSION: This combination may be a useful approach to controlling RA | ||
| 650 | 4 | |a Journal Article | |
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