2023
DOI: 10.21203/rs.3.rs-2753443/v1
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Intra-Articular Delivery of an Indoleamine 2,3-Dioxygenase Galectin-3 Fusion Protein for Osteoarthritis Treatment in Male Lewis Rats

Abstract: Objective: Controlling joint inflammation can improve osteoarthritis (OA) symptoms; however, current treatments often fail to provide long-term effects. We have developed an indoleamine 2,3-dioxygenase and galectin-3 fusion protein (IDO-Gal3). IDO converts tryptophan to kynurenines, directing the local environment toward an anti-inflammatory state; Gal3 binds carbohydrates and extends IDO’s joint residence time. In this study, we evaluated IDO-Gal3’s ability to alter OA-associated inflammation and pain-related… Show more

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“… 29 This indicates a close association between DEGs and cartilage development. In terms of molecular function (MF), we also observed a decrease in activities of small molecule binding functions, such as tubulin binding 30 , 31 and pyrrole binding 32 in the OA group, while extracellular matrix structural components conferring tensile strength and structural molecule activity were active. This indicates the involvement of DEGs in the production of subchondral bone extracellular matrix and their association with the growth and development of osteoblasts, which is as previously reported.…”
Section: Resultsmentioning
confidence: 83%
“… 29 This indicates a close association between DEGs and cartilage development. In terms of molecular function (MF), we also observed a decrease in activities of small molecule binding functions, such as tubulin binding 30 , 31 and pyrrole binding 32 in the OA group, while extracellular matrix structural components conferring tensile strength and structural molecule activity were active. This indicates the involvement of DEGs in the production of subchondral bone extracellular matrix and their association with the growth and development of osteoblasts, which is as previously reported.…”
Section: Resultsmentioning
confidence: 83%