Click-Chemistry Based Allergen Arrays Generated by Polymer Pen Lithography for Mast Cell Activation Studies.

Click-Chemistry Based Allergen Arrays Generated by Polymer Pen Lithography for Mast Cell Activation Studies.
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通过聚合物笔光刻生成基于点击化学的过敏原阵列,用于肥大细胞激活研究

DOI:
10.1002/smll.201601623
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发表时间:
2016
期刊:
影响因子:
13.3
通讯作者:
Fuchs H
Fuchs H
中科院分区:
材料科学1区
文献类型:
--
作者:
Kumar R;Bonicelli A;Sekula-Neuner S;Cato AC;Hirtz M;Fuchs H

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过敏反应的分析是生物医学研究和判断过敏患者治疗结果的有力工具。通过将大量免疫细胞的激活研究转移到图案化表面上的单细胞水平,可以实现对信号级联的新见解和更容易的读出。二硝基苯酚(DNP)作为半抗原诱导过敏反应的功能,允许激活过程中的单一肥大细胞接种在图案化的表面进行研究后,与过敏原特异性免疫球蛋白E抗体的治疗。在这里,点击化学方法与聚合物笔光刻(PPL)相结合,在炔封端的表面上图案化DNP-叠氮化物,以生成过敏原阵列。PPL提供的大面积功能化允许将这种阵列容易地并入微流体芯片中。在这样的设置中,细胞悬液的简单处理、孵育过程和荧光显微镜的读出将使免疫细胞活化筛选易于适用于诊断和生物医学研究。
The profiling of allergic responses is a powerful tool in biomedical research and in judging therapeutic outcome in patients suffering from allergy. Novel insights into the signaling cascades and easier readouts can be achieved by shifting activation studies of bulk immune cells to the single cell level on patterned surfaces. The functionality of dinitrophenol (DNP) as a hapten in the induction of allergic reactions has allowed the activation process of single mast cells seeded on patterned surfaces to be studied following treatment with allergen specific Immunoglobulin E antibodies. Here, a click‐chemistry approach is applied in combination with polymer pen lithography (PPL) to pattern DNP‐azide on alkyne‐terminated surfaces to generate arrays of allergen. The large area functionalization offered by PPL allows an easy incorporation of such arrays into microfluidic chips. In such a setup, easy handling of cell suspension, incubation process, and read‐out by fluorescence microscopy will allow immune cell activation screening to be easily adapted for diagnostics and biomedical research.
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