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通过凝集素或抗体捕获的尿纳米囊泡显示出大小和表面糖基化谱的变化。

Urinary nanovesicles captured by lectins or antibodies demonstrate variations in size and surface glycosylation profile.

作者信息

Gerlach Jared Q, Maguire Ciaran M, Krüger Anja, Joshi Lokesh, Prina-Mello Adriele, Griffin Matthew D

机构信息

Advanced Glycoscience Research Cluster (AGRC), National Centre for Biomedical Engineering Science (NCBES), National University of Ireland, Galway, Ireland.

Laboratory for Biological Characterization of Advanced Materials (LBCAM), School of Medicine, Trinity College Dublin, Ireland.

出版信息

Nanomedicine (Lond). 2017 Jun;12(11):1217-1229. doi: 10.2217/nnm-2017-0016. Epub 2017 May 18.


DOI:10.2217/nnm-2017-0016
PMID:28520506
Abstract

AIM: The use of carbohydrate-binding proteins (lectins) to isolate urinary extracellular vesicles (uEVs) was investigated and the captured subpopulations were characterized. METHODS: Pooled uEVs from multiple healthy donors were exposed to lectin-conjugated or antibody-conjugated beads. Recovered uEVs were evaluated by protein estimation, transmission electron microscopy, nanoparticle tracking analysis and lectin microarray profiling. RESULTS: uEVs isolated by lectin- and antibody-based affinity capture exhibited distinct variations in size and surface content. Transmission electron microscopy confirmed similar EV diameters to those established by nanoparticle tracking analysis, but total particle counts did not correlate closely with protein-based quantification. Lectin microarray profiling demonstrated capture-dependent differences in surface glycosylation. CONCLUSION: Selective, carbohydrate-mediated EV isolation by lectin affinity approaches may prove immediately useful for research and find eventual use in clinical applications.

摘要

目的:研究使用碳水化合物结合蛋白(凝集素)分离尿液细胞外囊泡(uEVs),并对捕获的亚群进行表征。 方法:将来自多个健康供体的混合uEVs与凝集素偶联或抗体偶联的磁珠接触。通过蛋白质定量、透射电子显微镜、纳米颗粒跟踪分析和凝集素微阵列分析对回收的uEVs进行评估。 结果:通过基于凝集素和抗体的亲和捕获分离的uEVs在大小和表面成分上表现出明显差异。透射电子显微镜证实EV直径与纳米颗粒跟踪分析确定的直径相似,但总颗粒数与基于蛋白质的定量分析没有密切相关性。凝集素微阵列分析显示表面糖基化存在捕获依赖性差异。 结论:通过凝集素亲和方法进行选择性的、碳水化合物介导的EV分离可能对研究立即有用,并最终用于临床应用。

相似文献

[1]
Urinary nanovesicles captured by lectins or antibodies demonstrate variations in size and surface glycosylation profile.

Nanomedicine (Lond). 2017-6

[2]
Surface glycosylation profiles of urine extracellular vesicles.

PLoS One. 2013-9-19

[3]
Isolation of urinary extracellular vesicles from Tamm- Horsfall protein-depleted urine and their application in the development of a lectin-exosome-binding assay.

Biotechniques. 2014-9-1

[4]
Single Extracellular Vesicle Analysis Performed by Imaging Flow Cytometry and Nanoparticle Tracking Analysis Evaluate the Accuracy of Urinary Extracellular Vesicle Preparation Techniques Differently.

Int J Mol Sci. 2021-11-18

[5]
The use of lectin microarray for assessing glycosylation of therapeutic proteins.

MAbs. 2016

[6]
[Quantification and size distribution of 24-hour urinary extracellular vesicles from healthy adults].

Nan Fang Yi Ke Da Xue Xue Bao. 2015-11

[7]
A Nanoparticle-Based Approach for the Detection of Extracellular Vesicles.

Sci Rep. 2019-7-11

[8]
Lectin-array blotting: profiling protein glycosylation in complex mixtures.

ACS Chem Biol. 2012-10-19

[9]
Purification and Identification of Membrane Proteins from Urinary Extracellular Vesicles using Triton X-114 Phase Partitioning.

J Proteome Res. 2017-11-20

[10]
Microarray-based identification of lectins for the purification of human urinary extracellular vesicles directly from urine samples.

Chembiochem. 2014-7-21

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Development a glycosylated extracellular vesicle-derived miRNA Signature for early detection of esophageal squamous cell carcinoma.

BMC Med. 2025-1-23

[2]
Towards Understanding the Role of the Glycosylation of Proteins Present in Extracellular Vesicles in Urinary Tract Diseases: Contributions to Cancer and Beyond.

Molecules. 2024-11-6

[3]
Deciphering disease through glycan codes: leveraging lectin microarrays for clinical insights.

Acta Biochim Biophys Sin (Shanghai). 2024-8-1

[4]
Integrins are enriched on aberrantly fucosylated tumour-derived urinary extracellular vesicles.

J Extracell Biol. 2022-10-10

[5]
Lectins as potential tools for cancer biomarker discovery from extracellular vesicles.

Biomark Res. 2023-9-29

[6]
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Mol Biomed. 2020-8-14

[7]
Analysis of Extracellular Vesicles Surface Glycans Reveals Potential Immune Evasion Mechanism and New Insights on Their Origins of Biogenesis.

Pathogens. 2021-10-29

[8]
Understanding extracellular vesicle and nanoparticle heterogeneity: Novel methods and considerations.

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[9]
Glycosylation of Cancer Extracellular Vesicles: Capture Strategies, Functional Roles and Potential Clinical Applications.

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[10]
The "sugar-coated bullets" of cancer: Tumor-derived exosome surface glycosylation from basic knowledge to applications.

Clin Transl Med. 2020-10

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