SCIENTIFIC HUB

Follow the evidence.

SCIENTIFIC LITERATURE · PPR

A Microfluidic Platform for Whole-Membrane Integrity Profiling in Live Neuronal Cells

· 2025-11-06

DOI: 10.21203/rs.3.rs-7278474/v1

Open accessPreprintOriginal source ↗

Research overview

The text below is the source article’s original abstract under a verified reuse license. cc by

Abstract Structural and functional compromise of the cellular membrane are central mechanisms in the pathogenesis of numerous diseases, including neurodegenerative disorders such as Alzheimer’s and Parkinson’s disease. However, existing techniques for assessing membrane integrity often lack the ability to provide dynamic, whole-cell measurements and are limited to localized damage detection or population-level analysis. There is a growing need for methods capable of monitoring membrane integrity over time at the single-cell level and across the entire membrane surface. In this study, we present a microfluidic platform for real-time, label-free assessment of membrane integrity by analyzing dielectric properties. We apply this system to investigate how different aggregated forms of α-Synuclein (aSyn), a protein that plays a central role in the pathogenesis of Parkinson’s disease and disrupts neuronal membranes. Our platform integrates electrokinetic microdevices with 3D microelectrodes and imaging, enabling continuous analysis of up to 30 live neuronal cells per hour under flow. By measuring electrorotation responses, we quantify changes in plasma membrane capacitance in response to monomeric, oligomeric, and fibrillar aSyn. This approach allows direct, time-resolved comparison of membrane-disruptive effects across different aSyn conformations with single-cell resolution and whole-membrane sensitivity.

Scientific assessment

01

Research question

Assess the question within the original study’s scope.

02

Methods & sample

Check the source article for study design and sample details.

03

Key findings

An editorially approved findings summary is not yet published for this record.

04

Limitations

Generalizability, bias and clinical meaning require separate assessment.

Methods, samples and clinical conclusions are not inferred from bibliographic metadata.