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微型血液分析技术 (μBAT):从微升全血样本中对中性粒细胞表型和功能进行多重分析

Terry D Juang¹, Jeremiah Riendeau², Peter G Geiger³

¹Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, USA. djbeebe@wisc.edu.

|August 6, 2024

概括

微型血液分析技术 (μBAT) 可以从单滴血液中进行多重中性粒细胞分析. 这个节省样本的平台促进了罕见儿科疾病的研究和顺序采样.

科学领域:

生物医学工程生物医学工程
免疫学免疫学免疫学
微流体学微流体学

背景情况:

有限的样本数量对儿科和罕见疾病研究的综合分析构成挑战.
目前的方法通常需要更大的样本大小,阻碍了对珍贵样本的顺序采样和分析.

研究的目的:

引入和验证微型血液分析技术 (μBAT),用于多重中性粒细胞分析的微流体平台.
为了证明μBAT能够从单个小的血液样本进行功能性和分子性检测的能力.

主要方法:

开发一个微流体平台 (μBAT) 来处理小体积的血液.
对中性粒细胞功能的多重分析,包括细胞分裂,中性粒细胞外细胞陷 (NETs) 的形成和光学代谢成像.
分子测定包括基因表达和细胞因子分泌分析.
根据已建立的宏观测量对μBAT性能的验证.

主要成果:

μBAT成功地从一滴血液中对中性粒细胞进行了多重功能和分子测定.
该平台展示了直角能力,同时分析多种中性粒细胞特征.
微观测定结果与宏观基准进行了验证,证实了平台的准确性.
μBAT与标准采集设备兼容,不需要专门的设备.

结论:

μBAT为深入的中性粒细胞分析提供了一种新的,节省样本的方法.
这种技术对于涉及有限样本量的研究特别有价值,例如在儿科或罕见疾病研究中.
μBAT通过从最小的生物材料进行全面分析,促进了先进的研究应用.

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