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Conventional decellularization methods utilize a variety of detergents and enzymes. However, these methods have disadvantages, such as long processing times and the presence of detergents that remain on the graft. In this study, we aimed to reduce process time and minimize the risks associated with residual detergents by replacing them with supercritical carbon dioxide (scCO<jats:sub>2<\/jats:sub>) and compared the effectiveness to Hudson\u2019s decellularization method, which uses several detergents. The dsDNA and the expression of MHC1 and 2 were significantly reduced in both decellularized groups, which confirmed the effective removal of cellular debris. The extracellular matrix proteins and various factors were found to be better preserved in the scCO<jats:sub>2<\/jats:sub> ANGs compared to the detergent-ANGs. We conducted behavioral tests and histological analyses to assess the impact of scCO<jats:sub>2<\/jats:sub> ANGs on peripheral nerve regeneration in animal models. Compared with Hudson\u2019s method, the scCO<jats:sub>2<\/jats:sub> method effectively improved the efficacy of peripheral nerve regeneration. Therefore, the decellularization method using scCO<jats:sub>2<\/jats:sub> is not only beneficial for ANG synthesis, but it may also be helpful for therapeutics by enhancing the efficacy of peripheral nerve regeneration.<\/jats:p>","DOI":"10.1038\/s41598-024-72672-w","type":"journal-article","created":{"date-parts":[[2024,10,10]],"date-time":"2024-10-10T08:02:15Z","timestamp":1728547335000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Increased efficiency of peripheral nerve regeneration using supercritical carbon dioxide-based decellularization in acellular nerve graft"],"prefix":"10.1038","volume":"14","author":[{"given":"Soon Jin","family":"Choi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeonghun","family":"Han","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Young Ho","family":"Shin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jae Kwang","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,10,10]]},"reference":[{"key":"72672_CR1","doi-asserted-by":"publisher","first-page":"1560","DOI":"10.1177\/0963689719880543","volume":"28","author":"AYL Wang","year":"2019","unstructured":"Wang, A. 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