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  • Title: Procedure of Adult Porcine Islet Isolation.
    Author: Sakata N, Yoshimatsu G, Kawakami R, Chinen K, Aoyagi C, Kodama S.
    Journal: Tissue Eng Part C Methods; 2023 Apr; 29(4):144-153. PubMed ID: 36852486.
    Abstract:
    Islet transplantation is a useful therapeutic choice for severe diabetes mellitus; however, limited donor supplies have interfered with the use of this treatment. Therefore, the establishment of alternative donor sources and engineered tissue, which enables to produce appropriate insulin for controlling blood glucose, is an important challenge. The adult pig is a promising and feasible donor source and materials for the engineered tissue for the clinical setting among various candidates. The recent progress of gene-editing technology contributes to possible clinical porcine xenotransplantation, including porcine islet xenotransplantation. For the success of future clinical porcine islet xenotransplantation, establishing an islet isolation technique for acquiring adequate, good-quality porcine islets is equally important to use a gene-edited pig. However, the characteristics of porcine islets are different from other species; therefore, establishing a suitable technique for porcine islets is challenging. Impact statement Recent technological progress promotes the feasibility of xenotransplantation, including islet xenotransplantation, for clinical setting. Adult pig is a promising and feasible donor source for islet xenotransplantation and engineered tissue, which enables to control blood glucose in recipients. It is important to acquire porcine islets in good qualities for the promotion, however, establishing a technique for adult porcine islet isolation is important but challenging because of the vulnerability of adult porcine islets. Deciding the proper timing of stopping pancreatic digestion is one of the important factors for obtaining adult porcine islets in good quality.
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