Single synchronous delivery of FK506-loaded polymeric microspheres with pancreatic islets for the successful treatment of streptozocin-induced diabetes in mice

Immune rejection after transplantation is common, which leads to prompt failure of the graft. Therefore, to prolong the survival time of the graft, immunosuppressive therapy is the norm. Here, we report a robust immune protection protocol using FK506-loaded microspheres (FK506M) in injectable hydrog...

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Main Authors: Shiva Pathak (Author), Shobha Regmi (Author), Biki Gupta (Author), Bijay K. Poudel (Author), Tung Thanh Pham (Author), Chul Soon Yong (Author), Jong Oh Kim (Author), Jae-Ryong Kim (Author), Min Hui Park (Author), Young Kyung Bae (Author), Simmyung Yook (Author), Cheol-Hee Ahn (Author), Jee-Heon Jeong (Author)
Format: Book
Published: Taylor & Francis Group, 2017-01-01T00:00:00Z.
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042 |a dc 
100 1 0 |a Shiva Pathak  |e author 
700 1 0 |a Shobha Regmi  |e author 
700 1 0 |a Biki Gupta  |e author 
700 1 0 |a Bijay K. Poudel  |e author 
700 1 0 |a Tung Thanh Pham  |e author 
700 1 0 |a Chul Soon Yong  |e author 
700 1 0 |a Jong Oh Kim  |e author 
700 1 0 |a Jae-Ryong Kim  |e author 
700 1 0 |a Min Hui Park  |e author 
700 1 0 |a Young Kyung Bae  |e author 
700 1 0 |a Simmyung Yook  |e author 
700 1 0 |a Cheol-Hee Ahn  |e author 
700 1 0 |a Jee-Heon Jeong  |e author 
245 0 0 |a Single synchronous delivery of FK506-loaded polymeric microspheres with pancreatic islets for the successful treatment of streptozocin-induced diabetes in mice 
260 |b Taylor & Francis Group,   |c 2017-01-01T00:00:00Z. 
500 |a 1071-7544 
500 |a 1521-0464 
500 |a 10.1080/10717544.2017.1377317 
520 |a Immune rejection after transplantation is common, which leads to prompt failure of the graft. Therefore, to prolong the survival time of the graft, immunosuppressive therapy is the norm. Here, we report a robust immune protection protocol using FK506-loaded microspheres (FK506M) in injectable hydrogel. Pancreatic islets were codelivered with the FK506M into the subcutaneous space of streptozocin-induced diabetic mice. The islets codelivered with 10 mg/kg FK506M maintained normal blood glucose levels during the study period (survival rate: 60%). However, transplantation of islets and FK506M at different sites hardly controlled the blood glucose level (survival rate: 20%). Immunohistochemical analysis revealed an intact morphology of the islets transplanted with FK506M. In addition, minimal number of immune cells invaded inside the gel of the islet-FK506M group. The single injection of FK506M into the local microenvironment effectively inhibited immune rejection and prolonged the survival time of transplanted islets in a xenograft model. 
546 |a EN 
690 |a electrospray 
690 |a fk506 
690 |a microspheres 
690 |a islet transplantation 
690 |a immune suppression 
690 |a Therapeutics. Pharmacology 
690 |a RM1-950 
655 7 |a article  |2 local 
786 0 |n Drug Delivery, Vol 24, Iss 1, Pp 1350-1359 (2017) 
787 0 |n http://dx.doi.org/10.1080/10717544.2017.1377317 
787 0 |n https://doaj.org/toc/1071-7544 
787 0 |n https://doaj.org/toc/1521-0464 
856 4 1 |u https://doaj.org/article/f51e3a051f0e4f5fbe74cfb9a1a1c9f9  |z Connect to this object online.