Can cells and biomaterials in therapeutic medicine be shielded from innate immune recognition?

Can cells and biomaterials in therapeutic medicine be shielded from innate immune recognition?
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DOI:
10.1016/j.it.2009.09.005
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发表时间:
2010-01
影响因子:
16.8
通讯作者:
Ekdahl KN
Ekdahl KN
中科院分区:
医学1区
文献类型:
--
作者:
Nilsson B;Korsgren O;Lambris JD;Ekdahl KN

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生物材料(如聚合物、金属或陶瓷)、细胞和细胞簇(如胰岛)移植开始为一些其他难治性疾病提供新的治疗方式。当生物材料或细胞被引入血液循环时,先天免疫系统参与发生的不相容反应。特别是补体、凝血和接触系统参与生物材料和细胞的识别,引起血小板和白细胞的活化。此类治疗与类过敏反应和血栓形成反应、炎症以及生物材料和细胞排斥相关,导致治疗失败和不良反应。我们在这里讨论正在开发的新技术,以保护生物材料和细胞表面免受先天免疫系统的识别。
Biomaterials (e.g. polymers, metals, or ceramics), cell, and cell cluster (e.g. pancreatic islets) transplantation are beginning to offer novel treatment modalities for some otherwise intractable diseases. The innate immune system is involved in incompatibility reactions that occur when biomaterials or cells are introduced into the blood circulation. In particular the complement, coagulation, and contact systems are involved in the recognition of biomaterials and cells, eliciting activation of platelets and leukocytes. Such treatments are associated with anaphylactoid and thrombotic reactions, inflammation, and rejection of biomaterials and cells, leading to treatment failures and adverse reactions. We discuss here the new technologies that are being developed to shield the biomaterial and cell surfaces from recognition by the innate immune system.
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