Transparent Immunoisolative Microcontainers for Xenotransplantation

Gimi, Barjor; Kwon, Jw; Liu, L; Vachha, Behroze; Lee, Jeong

doi:10.1097/01.tp.0000332140.18482.b2

Cited by 1 publication

(1 citation statement)

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“…SU‐8 was originally developed at the International Business Machines corporation (IBM) as an epoxy resin photoresist for semiconductor applications, but has more recently been used in cell microencapsulation applications . Applying sequential steps involving spin coating, baking, and ultraviolet exposure, Gimi et al used SU‐8 to fabricate micrometer scale boxes complete with removable lids to microencapsulate a variety of cells. The authors first established the viability cells of encapsulated within their microcontainers by transducing 9L rat glioma cells to express luciferase when in hypoxic conditions .…”

Section: Polyepoxidesmentioning

confidence: 99%

Cell microencapsulation with synthetic polymers

Olabisi

2014

J Biomedical Materials Res

108

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The encapsulation of cells into polymeric microspheres or microcapsules has permitted the transplantation of cells into human and animal subjects without the need for immunosuppressants. Cell-based therapies use donor cells to provide sustained release of a therapeutic product, such as insulin, and have shown promise in treating a variety of diseases. Immunoisolation of these cells via microencapsulation is a hotly investigated field, and the preferred material of choice has been alginate, a natural polymer derived from seaweed due to its gelling conditions. Although many natural polymers tend to gel in conditions favorable to mammalian cell encapsulation, there remain challenges such as batch to batch variability and residual components from the original source that can lead to an immune response when implanted into a recipient. Synthetic materials have the potential to avoid these issues; however, historically they have required harsh polymerization conditions that are not favorable to mammalian cells. As research into microencapsulation grows, more investigators are exploring methods to microencapsulate cells into synthetic polymers. This review describes a variety of synthetic polymers used to microencapsulate cells. © 2014 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 103A: 846–859, 2015.

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Section: Polyepoxidesmentioning

confidence: 99%