2014
DOI: 10.1016/j.addr.2013.11.005
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Polymers in cell encapsulation from an enveloped cell perspective

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Cited by 261 publications
(159 citation statements)
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“…This effect is aggravated when allotype or xenotype islets are being transplanted. Although the inflammation lasts less than 2 wk, up to 60% of islet cells may be lost in this timeframe [45] . The 3 major effectors that damage islets include: Interleukin (IL)1β, interferon (INF)γ, and tumor necrosis factor (TNF)α [4652] .…”
Section: The Immune Barriermentioning
confidence: 99%
“…This effect is aggravated when allotype or xenotype islets are being transplanted. Although the inflammation lasts less than 2 wk, up to 60% of islet cells may be lost in this timeframe [45] . The 3 major effectors that damage islets include: Interleukin (IL)1β, interferon (INF)γ, and tumor necrosis factor (TNF)α [4652] .…”
Section: The Immune Barriermentioning
confidence: 99%
“…In some cases the presence of positive charges of chitosan can interfere with the function of some cells and ionically crosslinked chitosan is not as mechanically stable as polymerized materials. To improve the mechanical and biological proprieties, chitosan is often used in association with other polymers, such as gelatin [23,33]. Gelatin presents many advantages as a material for cell encapsulation: it is non-toxic and biodegradable, and it is extensively used in the pharmaceutical industry as an excipient [33].…”
Section: Introductionmentioning
confidence: 99%
“…Eudragit coated microparticles were produced for the colonic release of therapeutics [16,18] or proteins [19], but it has not yet been applied for the coating of encapsulated cells. A variety of materials have been tested for the encapsulation of living cells; alginate [4,6,8,12,15,[20][21][22][23] is the most common and versatile, chitosan [9,23], gelatin [22,24], cellulose [23,25], agarose [23,26], dextran [1], carrageenan [9,12,27], poly(lactide-co-glycolide) (PLGA) [1,23], Poly (Ethylene Glycol) [23,28] all have been used individually, and in blends [1,27]. Chitosan is a proven biocompatible natural polymer produced from natural sources (crustacean shells, fungi, and insects), which has been widely used for cell encapsulation and other pharmaceutical purposes [23,29].…”
Section: Introductionmentioning
confidence: 99%
“…Bu sayede, ana bileşik ile ürünün diğer bileşenleri arasında fiziksel bir bariyer oluşumu sağlanır 4 . Mikroenkapsülasyon uygulamak için doğal (aljinat tabanlı, jelatin tabanlı, selüloz tabanlı ve kitosan tabanlı) ya da sentetik, (sodyum aljinat, poli-L-ornitin (PLO), gliklazidaljinat, poli-laktik-ko-glikolik asit (PLGA) aljinat, kollajen, selüloz, polietilen glikol (PEG), grafen oksit-FTY720 (GO-FTY720), polivinilalkol (PVA), poli-ɛ-kaprolakton (PCL), polimetil metakrilat (PMAA) ve sodyum polisitren gibi) pek çok materyal kullanılmaktadır 5,6 . Bunlar arasından aljinat; kahverengi algden elde edilen doğal anyonik ve biyouyumlu bir polimerdir.…”
Section: In-vitro Optimization Of Microencapsulated Parathyroid Cellsunclassified
“…Yüksek miktarda glukronik asit içeren aljinat polimerleri mekanik anlamda daha sert ve stabilitesi yüksek yapılar oluşturur 8 . Aljinatın daha saf hali olan ultrasafaljinat; içerdiği glukronik asit blokları sayesinde yüksek biyouyumluluğu ile özellikle insanla gerçekleştirilen çalışmalarda tercih edilir 6 .…”
Section: In-vitro Optimization Of Microencapsulated Parathyroid Cellsunclassified