{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T05:58:00Z","timestamp":1777787880967,"version":"3.51.4"},"reference-count":55,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2022,12,22]],"date-time":"2022-12-22T00:00:00Z","timestamp":1671667200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Business for Cooperative R&D between Industry, Academy, and Research Institute funded Korea Small and Medium Business Administration","award":["S3106172"],"award-info":[{"award-number":["S3106172"]}]},{"name":"National Research Foundation of Korea (NRF) grant","award":["2019R1A2C1004046, 2019R1F1A1044473, 2019R1H1A10"],"award-info":[{"award-number":["2019R1A2C1004046, 2019R1F1A1044473, 2019R1H1A10"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Biomater Appl"],"published-print":{"date-parts":[[2023,1]]},"abstract":"<jats:p>Elastin is very rarely repaired extracellular matrix (ECM) in physiological condition. The commercial human elastin for exogenous medical treatment is very expensive, and has a potential for disease transmission. Animal-origin elastin is relatively low price, but has concerns for xenogeneic immune responses. Considering cost and safety, we focused on the perirenal adipose tissue, donated from healthy young people via donor nephrectomy. Until now, all of the perirenal adipose tissues are discarded as a medical waste after kidney transplantation. In the present study, we applied perirenal adipose tissues as the source of human elastin, and optimized the extraction process to get high purified and quantified elastin. Through pre-processing step, the delipidated and decellularized ECM was prepared. Next, with four different elastin extraction process (acidic solvents, neutral salt, organic solvents or hot alkali method), elastin was extracted, and the concentration of amino acid between each product was compared, and bright-field\/electron microscopy, Fourier transform infrared (FT-IR) spectroscopy and cytotoxicity analysis were also performed. As controls, bovine neck ligament-derived and human skin-derived elastin were used. Among the elastin extraction methods, the hot alkali insoluble product showed (1) relatively high positive area of Verhoeff\u2019s and low Masson\u2019s trichrome stain, (2) 64.24% purity, 159.29\u00a0mg\/g quantity, and \u223c6.37% yield in amino acid analysis, (3) \u03b2-sheet second structure, and (4) thin fiber composed mesh-like sheet structure in SEM image. These values were higher than those of the commercial human skin elastin. When comparing hydrolyzed forms, \u03b1-elastin from hot alkali insoluble product showed enhanced cell proliferation and maintained cell properties compared to the \u03ba-elastin. Therefore, we confirmed that the perirenal adipose tissue is an ideal source of human elastin with safety assurance, and the hot alkali process combined with pre-process seems to be the optimal method for elastin extraction with high purity and quantity.<\/jats:p>","DOI":"10.1177\/08853282221146628","type":"journal-article","created":{"date-parts":[[2022,12,22]],"date-time":"2022-12-22T10:04:56Z","timestamp":1671703496000},"page":"1054-1070","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Perirenal adipose tissues as a human elastin source, and optimize the extraction process"],"prefix":"10.1177","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5507-2632","authenticated-orcid":false,"given":"Eun Hye","family":"Lee","sequence":"first","affiliation":[{"name":"Joint Institute for Regenerative Medicine, Kyungpook National University, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun Nyung","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Urology, School of Medicine, Kyungpook National University, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yun-Sok","family":"Ha","sequence":"additional","affiliation":[{"name":"Department of Urology, School of Medicine, Kyungpook National University, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jae-Wook","family":"Chung","sequence":"additional","affiliation":[{"name":"Department of Urology, School of Medicine, Kyungpook National University, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6838-9313","authenticated-orcid":false,"given":"Bo Hyun","family":"Yoon","sequence":"additional","affiliation":[{"name":"Joint Institute for Regenerative Medicine, Kyungpook National University, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Minji","family":"Jeon","sequence":"additional","affiliation":[{"name":"Joint Institute for Regenerative Medicine, Kyungpook National University, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyun Tae","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Urology, School of Medicine, Kyungpook National University, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Se Heang","family":"Oh","sequence":"additional","affiliation":[{"name":"Department of Nanobiomedical Science, Dankook University, Cheonan, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tae Gyun","family":"Kwon","sequence":"additional","affiliation":[{"name":"Department of Urology, School of Medicine, Kyungpook National University, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bum Soo","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Urology, School of Medicine, Kyungpook National University, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"So Young","family":"Chun","sequence":"additional","affiliation":[{"name":"BioMedical Research Institute, Kyungpook National University Hospital, Daegu, South Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2022,12,22]]},"reference":[{"key":"bibr1-08853282221146628","doi-asserted-by":"publisher","DOI":"10.1093\/geronj\/22.2.203"},{"key":"bibr2-08853282221146628","doi-asserted-by":"publisher","DOI":"10.1016\/j.mad.2016.03.006"},{"key":"bibr3-08853282221146628","doi-asserted-by":"publisher","DOI":"10.1126\/scitranslmed.aai7466"},{"key":"bibr4-08853282221146628","volume-title":"Clinical Relevance of Elastin in the Structure and Function of Skin, Aesthetic Surgery Journal Open Forum","author":"Baumann L","year":"2021"},{"key":"bibr5-08853282221146628","doi-asserted-by":"publisher","DOI":"10.1111\/j.1468-2494.2010.00574.x"},{"key":"bibr6-08853282221146628","doi-asserted-by":"publisher","DOI":"10.1016\/j.maturitas.2011.04.011"},{"key":"bibr7-08853282221146628","doi-asserted-by":"publisher","DOI":"10.1097\/MOT.0b013e328350910c"},{"key":"bibr8-08853282221146628","doi-asserted-by":"publisher","DOI":"10.1016\/S0070-2153(04)62006-0"},{"key":"bibr9-08853282221146628","doi-asserted-by":"publisher","DOI":"10.1177\/0885328220984594"},{"key":"bibr10-08853282221146628","volume-title":"Analysis of Collagen and Elastin Cross-Links. 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