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Mechanism of action of quercetin in rheumatoid arthritis models: meta-analysis and systematic review of animal studies

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Abstract

Quercetin, a typical flavonoid derived from a common natural plant, has multiple biological activities. Previous research in animal models has demonstrated the effectiveness of quercetin in treating rheumatoid arthritis (RA). The pharmacological effects and probable mechanisms of quercetin were evaluated in this study. Three databases, PubMed, Web of Science, and Embase, were searched for relevant studies from the creation of the databases to November 2022. Methodological quality was assessed using the SYRCLE risk of bias tool. STATA 15.1 was used to perform the statistical analysis. This research included 17 studies involving 251 animals. The results indicated that quercetin was able to reduce arthritis scores, paw swelling, histopathological scores, interleukin-1β (IL-1β), interleukin-6 (IL-6), interleukin-17 (IL-17), tumor necrosis factor-α (TNF-α), monocyte chemotactic protein-1 (MCP-1), C-reactive protein (CRP), malondialdehyde (MDA), reactive oxygen species (ROS), thiobarbituric acid reactive substances (TBARS), nuclear factor kappa B (NF-kB) and increase interleukin-10 (IL-10), catalase (CAT), glutathione peroxidase (GSH-Px), superoxide dismutase (SOD), glutathione (GSH), and heme oxygenase-1 (HO-1). These may be related to quercetin's potential anti-inflammatory, anti-oxidative stress, and osteoprotective properties. However, more high-quality animal studies are needed to assess the effect of quercetin on RA. Additionally, the safety of quercetin requires further confirmation. Given the importance of the active ingredient, dose selection and the improvement of quercetin's bioavailability remain to be explored.

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This paper and its supplemental materials contain the study's original contributions, and the corresponding author can be contacted for more information.

Abbreviations

AA:

Adjuvant-induced arthritis

AIA:

Antigen-induced arthritis

CAT:

Catalase

CI:

Confidence interval

CIA :

Collagen-induced arthritis

CRP:

C-reactive protein

GSH:

Glutathione

GSH-Px:

Glutathione peroxidase

GSK-3β:

Glycogen synthase kinase-3β

HO-1 :

Heme oxygenase-1

IFN-γ:

Interferon-γ

IL-1β:

Interleukin-1β

IL-6:

Interleukin-6

IL-10:

Interleukin-10

IL-17:

Interleukin-17

IL-21:

Interleukin-21

MAPK:

Mitogen-activated protein kinase

MCP-1:

Monocyte chemotactic protein-1

MDA:

Malondialdehyde

MMPs:

Matrix metalloproteinases

MMP3:

Matrix metalloproteinase-3

MMP9:

Matrix metalloproteinase-9

NF-kB:

Nuclear factor kappa B

NLRP3:

NOD-like receptor thermal protein domain associated protein 3

NSAIDs:

Nonsteroidal anti-inflammatory drugs

RA:

Rheumatoid arthritis

ROS:

Reactive oxygen species

SD :

Standard deviation

SE:

Standard error

SEM:

Standard error of the mean

SMD:

Standardized mean difference

SOD:

Superoxide dismutase

TBARS:

Thiobarbituric acid reactive substances

TGF-β:

Transforming growth factor-β

Th:

T helper

TNF-α:

Tumor necrosis factor-α

TXNIP:

Thioredoxin-interacting protein

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Acknowledgements

The authors are grateful to Chengdu University of Traditional Chinese Medicine for providing a research platform and supporting this study.

Funding

The National Natural Science Foundation of China provided funding for this project (Grant No.82274247).

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Authors and Affiliations

Authors

Contributions

XL and HY designed the study. TT and HY developed the search plan and conducted a database search. HZ and FW screened the articles and extracted the data. XL and TT performed the quality evaluation and data analysis. XL wrote the manuscript and YG revised the manuscript.

Corresponding author

Correspondence to Yongxiang Gao.

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Conflict of interest

The authors claim that there were no business or financial connections that might be viewed as possible conflicts of interest during the course of this study.

Ethics approval

This study did not require participant agreement or ethical approval because it just used the summary findings of previously published papers. There was no access to or acquisition of specific patient information.

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Liu, X., Tao, T., Yao, H. et al. Mechanism of action of quercetin in rheumatoid arthritis models: meta-analysis and systematic review of animal studies. Inflammopharmacol 31, 1629–1645 (2023). https://doi.org/10.1007/s10787-023-01196-y

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  • DOI: https://doi.org/10.1007/s10787-023-01196-y

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