A porcine islet-encapsulation device that enables long-term discordant xenotransplantation in immunocompetent diabetic mice

被引：18

作者：

Ajima, Kumiko ^{[1
]}

Tsuda, Naoto ^{[2
]}

Takaki, Tadashi ^{[1
,3
,4
]}

Furusako, Shoji ^{[5
]}

Matsumoto, Shigeki ^{[2
]}

Shinohara, Koya ^{[1
]}

Yamashita, Yzumi ^{[1
]}

Amano, Sayaka ^{[1
]}

Oyama, Chinatsu ^{[6
]}

Shimoda, Masayuki ^{[1
]}

机构：

[1] Res Inst Natl Ctr Global Hlth & Med, Pancreat Islet Cell Transplantat Project, 1-21-1 Toyama Shinjuku Ku, Tokyo 1628655, Japan

[2] Mochida Pharmaceut Co Ltd, Biomat Business Div, 722 Uenohara, Shizuoka 4128524, Japan

[3] Kyoto Univ, Ctr iPS Cell Res & Applicat, Dept Cell Growth & Differentiat, 53 Kawahara Cho,Sakyo Ku, Kyoto 6068507, Japan

[4] Takeda CiRA Joint Program T CiRA, 2-26-1 Muraoka Higashi, Fujisawa, Kanagawa 2518555, Japan

[5] Mochida Pharmaceut Co Ltd, Biomat Business Div, 1-7 Yotsuya,Shinjuku Ku, Tokyo 1608515, Japan

[6] Res Inst Natl Ctr Global Hlth & Med, Communal Lab, 1-21-1 Toyama,Shinjuku Ku, Tokyo 1628655, Japan

来源：

CELL REPORTS METHODS | 2023年 / 3卷 / 01期

关键词：

INSULIN-SECRETION; PANCREATIC-ISLETS; OXYGEN-TENSION; BETA-CELLS; TRANSPLANTATION; RAT; ENGRAFTMENT; GLUCOSE; MODEL; TRIAL;

D O I：

10.1016/j.crmeth.2022.100370

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Islet transplantation is an effective treatment for type 1 diabetes (T1D). However, a shortage of donors and the need for immunosuppressants are major issues. The ideal solution is to develop a source of insulin-secreting cells and an immunoprotective method. No bioartificial pancreas (BAP) devices currently meet all of the func-tions of long-term glycemic control, islet survival, immunoprotection, discordant xenotransplantation feasi-bility, and biocompatibility. We developed a device in which porcine islets were encapsulated in a highly stable and permeable hydrogel and a biocompatible immunoisolation membrane. Discordant xenotransplan-tation of the device into diabetic mice improved glycemic control for more than 200 days. Glycemic control was also improved in new diabetic mice "relay-transplanted"with the device after its retrieval. The easily retrieved devices exhibited almost no adhesion or fibrosis and showed sustained insulin secretion even after the two xenotransplantations. This device has the potential to be a useful BAP for T1D.

引用

页数：23

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