Cannabidiol-loaded poly lactic-co-glycolic acid nanoparticles with improved bioavailability as a potential for osteoarthritis therapeutic

. 2023 Feb 15;e202200698.


doi: 10.1002/cbic.202200698.


Online ahead of print.

Affiliations

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Zhiqiang Jin et al.


Chembiochem.


.

Abstract

Cannabidiol (CBD) is a non-intoxicating cannabinoid from cannabis sativa that has demonstrated efficacious against inflammation, which can be considered as a potential drug for arthritis treatment. However, the poor solubility and low bioavailability limit its clinical application. Here, we report an effective strategy to fabricate CBD-loaded poly lactic-co-glycolic acid nanoparticles (CBD-PLGA-NPs), with a spherical morphology and an average diameter of 238 nm. CBD was sustained release from CBD-PLGA-NPs, which improved the bioavailability of CBD. The CBD-PLGA-NPs effectively protect the damage of LPS to cell viability. We observed that CBD-PLGA-NPs significantly suppressed LPS-induced primary rat chondrocyte expression of inflammatory cytokines, including interleukin 1β (IL-1β), interleukin 6 (IL-6), tumor necrosis factor-α (TNF-α) and matrix metalloproteinase 13 (MMP-13). Remarkably, CBD-PLGA-NPs also showed better therapeutic effects of inhibiting the degradation of the extracellular matrix of chondrocytes than equivalent CBD solution. In general, the fabrication CBD-PLGA-NPs showed good protection of primary chondrocytes in vitro and is a promising system for osteoarthritis treatment.


Keywords:

anti-inflammatory; cannabidiol; chondrocytes; nanoparticles; osteoarthritis.

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