Sung-Han Jo1,2, Changsu Kim3, Sang-Hyug Park4,5,6. 1. Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, 48513, Republic of Korea. 2. The Center for Marine Integrated Biomedical Technology (BK21 PLUS), Pukyong National University, Busan, 48513, Republic of Korea. 3. Department of Orthopedics Surgery, Kosin University Gospel Hospital, Busan, 49267, Republic of Korea. 4. Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan, 48513, Republic of Korea. shpark1@pknu.ac.kr. 5. The Center for Marine Integrated Biomedical Technology (BK21 PLUS), Pukyong National University, Busan, 48513, Republic of Korea. shpark1@pknu.ac.kr. 6. Department of Biomedical Engineering, Pukyong National University, 45, Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea. shpark1@pknu.ac.kr.
Abstract
BACKGROUND: Extracellular vesicles (EVs) exhibit potential as functional biomolecules for tissue regeneration and immunomodulation as they play important roles in the physiological communication between cells. EV internal cargo contains miRNAs, proteins, lipids, and so on. Osteoarthritis (OA) is a common joint disease causing disability owing to impaired joint function and pain. EVs originating from animal cells and tissue matrices are also being considered for OA, in addition to research involving non-steroidal therapeutic agents. However, there are no studies on EVs from marine organisms. Hence, we focused on sea cucumber-derived EVs and conducted experiments to set up an extraction protocol and to demonstrate their efficacy to modulate the inflammatory environment. METHODS: Sea cucumber extracellular matrices (SECMs) were prepared by a decellularization process. Lyophilized SECMs were treated with collagenase and filtered to isolate sea cucumber extracellular vesicles (SEVs). After isolation, we conducted physical characterization and cell activation studies including cytotoxicity, proliferation, and anti-inflammation effect assays. RESULTS: The physical characterization results showed circular SEVs in the size range of 66-480 nm. These SEVs contained large amounts of protein cargo, infiltrated the synoviocyte membrane without damage, and had a suppressive effect on inflammatory cytokines. CONCLUSION: This study established an extraction process for EVs from sea cucumber and reported the anti-inflammatory ability of SEVs. Isolated SEVs can be further utilized for tissue regeneration studies and can be compared to various marine or animal-derived EVs.
BACKGROUND: Extracellular vesicles (EVs) exhibit potential as functional biomolecules for tissue regeneration and immunomodulation as they play important roles in the physiological communication between cells. EV internal cargo contains miRNAs, proteins, lipids, and so on. Osteoarthritis (OA) is a common joint disease causing disability owing to impaired joint function and pain. EVs originating from animal cells and tissue matrices are also being considered for OA, in addition to research involving non-steroidal therapeutic agents. However, there are no studies on EVs from marine organisms. Hence, we focused on sea cucumber-derived EVs and conducted experiments to set up an extraction protocol and to demonstrate their efficacy to modulate the inflammatory environment. METHODS: Sea cucumber extracellular matrices (SECMs) were prepared by a decellularization process. Lyophilized SECMs were treated with collagenase and filtered to isolate sea cucumber extracellular vesicles (SEVs). After isolation, we conducted physical characterization and cell activation studies including cytotoxicity, proliferation, and anti-inflammation effect assays. RESULTS: The physical characterization results showed circular SEVs in the size range of 66-480 nm. These SEVs contained large amounts of protein cargo, infiltrated the synoviocyte membrane without damage, and had a suppressive effect on inflammatory cytokines. CONCLUSION: This study established an extraction process for EVs from sea cucumber and reported the anti-inflammatory ability of SEVs. Isolated SEVs can be further utilized for tissue regeneration studies and can be compared to various marine or animal-derived EVs.
Authors: Steven J Biller; Florence Schubotz; Sara E Roggensack; Anne W Thompson; Roger E Summons; Sallie W Chisholm Journal: Science Date: 2014-01-10 Impact factor: 47.728
Authors: Andrew D Cook; Anne D Christensen; Damini Tewari; Stephen B McMahon; John A Hamilton Journal: Trends Immunol Date: 2018-01-12 Impact factor: 16.687
Authors: Yolandi van der Merwe; Anne E Faust; Ecem T Sakalli; Caroline C Westrick; George Hussey; Kevin C Chan; Ian P Conner; Valeria L N Fu; Stephen F Badylak; Michael B Steketee Journal: Sci Rep Date: 2019-03-05 Impact factor: 4.379