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Evaluating the docetaxel effect in an animal model of polyarthritis

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Inflammopharmacology Aims and scope Submit manuscript

Abstract

Rheumatoid arthritis (RA) is immune-mediated, inflammatory disease that affects synovial joints, and characterized by inflammatory changes in synovial tissue, cartilage, bone, and less commonly in extra-articular structures. Docetaxel (DTX) is a semi-synthetic anti-neoplastic medication. Peptidyl-arginine deiminase type 4 (PAD4) is expressed in macrophages and neutrophils in RA synovial membrane. Their effectiveness is in producing anti-cyclic citrullinated peptide antibodies (ACPA)-targeted citrullinated neoepitopes.

Aim

To evaluate the anti-inflammatory effects of DTX in RA and the effect of methotrexate on PAD4 to investigate its potential as an RA biomarker.

Methods

Forty male Wistar rats were divided into five groups of eight rats. Healthy rats formed the control group. The Second Group to Fifth group were induced with Complete Freund’s adjuvant. The third group received DTX at a dosage of 1 mg/kg on alternate days, as determined by a preliminary experiment. The fourth group was given 1 mg/kg/week of methotrexate intraperitoneally. The fifth group was treated with a half dose of DTX and methotrexate simultaneously.

Results

Significant Arthritis index and knee joint circumference decrease in the DTX group. No significant difference in body weight, platelet–lymphocyte ratio, and white blood cell count between the groups. Neutrophile lymphocyte ratio showed weak correlation with ACPA, while PAD4 showed good correlation with RA markers. Level of ACPA, PAD4, TNF-α, IL-1β, and VEGF significantly decreased in the DTX group than induction group (p < 0.05).

Conclusion

DTX reduces the progression and joint destruction in rats induced by Complete Freund’s Adjuvant which may due to inhibition of PAD4, TNF-α, IL-1β, VEGF, and ACPA. Also, methotrexate exhibited anti PAD4 effect.

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Availability of data and materials

The data used and analyzed during the current study are available from the corresponding author upon reasonable request.

Abbreviations

ACPA:

Anti-cyclic citrullinated peptide antibodies

AI:

Arthritis index

AIA:

Adjuvant induced arthritis

ANOVA:

Analysis of variance

CFA:

Complete Freund’s adjuvant

DMARD:

Disease modifying antirheumatic drugs

DTX:

Docetaxel

ELISA:

Enzyme linked immunosorbent assay

FLS:

Fibroblast like synovitis

i.p:

Intraperitoneal

IHC:

Immunohistochemistry

IL-1β:

Interleukin- 1beta

KJC:

Knee joint circumference

MAPK:

Mitogen activated protein kinase

MMP:

Matrix metalloprotease

MTX:

Methotrexate

NET:

Neutrophile extracellular trap

NF-kB:

Nuclear factor kappa B

Ng:

Nanogram

Pg:

Picogram

PAD4:

Peptidyl-arginine deiminase type 4

Q.O.D:

Every other day—on alternative day

RA:

Rheumatoid arthritis

RF:

Rheumatoid factor

STDEV:

Standard deviation

TNF-α:

Tumor necrosis factor-alpha

VEGF:

Vascular endothelial growth factor

References

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Acknowledgements

The authors thank the College of Pharmacy/Mustansiriyah University https://www.uomustansiriyah.edu.iq for approving and supporting this study which is part of the dissertation of a master’s student.

Funding

No specific government, business, or nonprofit grants supported this study.

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Authors and Affiliations

Authors

Contributions

O.M.A., G.A.J. and S.Y.J. contributed to the design of the research. O.M.A. performed the experiments. O.M.A. and G.A.J. analyzed the data. O.M.A. collected the samples. O.M.A wrote the manuscript. G.A.J. and S.Y.J. supervised all the work and reviewed the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Omar Mustafa Alghulami.

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Ethics approval and consent to participate

Ethics committee at College of Pharmacy/Mustansiriyah University approved this research, which was carried out in November 2021 and ended in May 2022.

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Alghulami, O.M., Jasim, G.A. & Jasim, S.Y. Evaluating the docetaxel effect in an animal model of polyarthritis. Inflammopharmacol (2024). https://doi.org/10.1007/s10787-024-01459-2

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  • DOI: https://doi.org/10.1007/s10787-024-01459-2

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