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KMID : 1161320220370040246
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Journal of Animal Reproduciton and Biotechnology
2022 Volume.37 No. 4 p.246 ~ p.254
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Enhancement of anti-inflammatory and anti-tumorigenic properties of 3D-spheroid formed mesenchymal stem cells derived from rheumatoid arthritis joints
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Lee Seung-Chan
Hong Chae-Yeon
Choe Yong-Ho
Kim Tae-Seok
Lee Won-Jae
Rho Gyu-Jin
Lee Sung-Lim
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Abstract
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Current studies have revealed the capacity of mesenchymal stem cells (MSCs) in term of immunomodulatory properties, and this distinct potential is downgraded according to the disease duration of patients-derived MSCs. In order to enhance the immunomodulatory and anti-tumorigenic properties of the rheumatoid arthritis (RA) joints-derived MSCs, we aggregate synovial fluid-derived MSCs from RA joints (RA-hMSCs) into 3D-spheroids by the use of hanging drop culture method. Cells were isolated from synovial fluids of RA joints with longstanding active status over 13 years. For aggregation of RA-hMSCs into 3D-spheroids, cells were plated in hanging drops in 30 μL of advanced DMEM (ADMEM) containing 25,000-30,000 cells/ drop and cultured for 48 h. To analyze the comparative immunomodulatory effects of 3D-spheroid and 2D monolayer cultured RA-hMSCs and then cells were cultured in ADMEM supplemented with 20% of synovial fluids of RA patients for 48 h and were evaluated by qRT-PCR for their expression of mRNA levels of inflammatory and antiinflammatory markers. Cellular aggregation of RA-hMSCs was observed and cells were aggregate into a single sphere. Following treatment of RA patient’s synovial fluids into the RA-hMSCs, spheroids formed RA-hMSCs showed significantly (p < 0.05) higher expression of TNFα stimulated gene/protein 6 (TSG-6) than the monolayer cultured RAhMSCs. Therefore, the 3D-spheroid culture methods of RA-hMSCs were more effective than 2D monolayer cultures in suppressing inflammatory response treated with 20% of RA-synovial fluids by expression of TNFα (TSG-6) according to the immune response and enhanced secretion of inflammatory factors.
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KEYWORD
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3D-spheroid, immunomodulation, mesenchymal stem cell, rheumatoid arthritis, synovial fluid
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