Issue 13, 2024

A chlorogenic acid-conjugated nanomicelle attenuates disease severity in experimental arthritis

Abstract

Rheumatoid arthritis (RA) is a systemic immune disorder marked by synovitis, bone damage, and cartilage erosion, leading to increased socio-economic burdens and reduced quality of life. Despite its unknown cause, advancements in understanding its pathophysiology have facilitated novel therapeutic approaches. Current treatments, including disease-modifying anti-rheumatic drugs (DMARDs) and biologics, often result in low efficacy and unnecessary side effects. To address the limitations of these drugs, carrier-based drug delivery systems, such as nanomicelles, have emerged as a promising solution. In this study, nanomicelles were synthesised utilizing PLGA (poly(lactic-co-glycolic acid)) as a backbone; this backbone is conjugated with chlorogenic acid (CGA), which is known for suppressing inflammation, and incorporates methotrexate (MTX), a model drug that is established for RA treatment. The nanomicelles were extensively characterized in terms of size, charge, drug loading, and drug-release behaviour. The in vivo assessment of MTX-PLGA-b-CGA nanomicelles in a collagen-induced arthritis model demonstrated a remarkable reduction in joint swelling, cartilage erosion, and disease severity. Furthermore, histological findings confirmed cartilage integrity and reduced expression of key pro-inflammatory markers, including receptor activator of nuclear factor kappa beta ligand (RANKL) and tumor necrosis factor (TNF-α). The approach based on the MTX-PLGA-b-CGA nanomicelles presents a biocompatible and potentially effective therapeutic strategy for management of the severity and progression of RA, providing a hopeful alternative for RA treatment.

Graphical abstract: A chlorogenic acid-conjugated nanomicelle attenuates disease severity in experimental arthritis

Supplementary files

Article information

Article type
Paper
Submitted
29 Dec 2023
Accepted
08 May 2024
First published
10 May 2024

Biomater. Sci., 2024,12, 3335-3344

A chlorogenic acid-conjugated nanomicelle attenuates disease severity in experimental arthritis

A. Vyawahare, C. Jori, J. Kumar, Kanika, M. Fareed, N. Ali, K. Parida and R. Khan, Biomater. Sci., 2024, 12, 3335 DOI: 10.1039/D3BM02129G

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