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Electric Cell-substrate Impedance Sensing for the Quantification of Endothelial Proliferation, Barrier Function, and Motility
Published on: March 28, 2014
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Functional optimization of electric cell-substrate impedance sensing (ECIS) using human corneal epithelial cells
Abdul Shukkur Ebrahim1, Thanzeela Ebrahim1, Hussein Kani2
1Department of Ophthalmology, Visual & Anatomical Sciences, Wayne State University School of Medicine, 540 E. Canfield Avenue, Detroit, MI, 48201, USA.
Scientific Reports
|August 19, 2022
Summary
Optimizing cell density and media for human corneal epithelial cells using Electrical Cell-Substrate Impedance Sensing (ECIS) is crucial. DMEM/F12 media at 60,000 cells/mL provides optimal conditions for monitoring corneal epithelial cell behavior in vitro.
Area of Science:
- Ophthalmology
- Cell Biology
- Biomedical Engineering
Background:
- Corneal epithelial integrity is vital for ocular health, and its compromise can lead to vision impairment.
- Electrical Cell-Substrate Impedance Sensing (ECIS) offers a non-invasive method to monitor cellular behaviors like barrier function and migration in real-time.
Purpose of the Study:
- To optimize conditions for assessing human telomerase-immortalized corneal epithelial cells (HUCLs) using ECIS.
- To determine the ideal cell density and culture medium for accurate in vitro measurements of corneal epithelial cell behavior.
Main Methods:
- ECIS technology was employed to measure electrical parameters including impedance (Z), barrier resistance (R), and cell capacitance (C).
- Mathematical modeling was used to derive parameters such as Rb, α, and Cm.
- Five different cell densities and two media types were evaluated to identify optimal culturing conditions.
Main Results:
- All measured parameters indicated that DMEM/F12 medium at a cell density of 60,000 cells/mL yielded optimal results for ECIS assessment.
- The study successfully identified specific conditions for quantifiable measurements of corneal epithelial cell behavior.
Conclusions:
- Optimizing cell density and media choice is essential for accurate in vitro assessment of corneal epithelial cells using ECIS.
- ECIS technology provides a sensitive and quantitative tool for evaluating corneal epithelial cell structure and function.
