Morphological and functional performance uniform across both ECM.
Figure 4. (A) Strategic approach to measuring cell performance across cell culture platforms or MPS devices. On this matrix, a score of 3.5+ is needed to pass each criterion. (B) A potential model for measurable criteria associated with the neuronal cells and the platform to validate a batch of cells against. Image Credit: Axol Bioscience Ltd
Properly validated and highly functional cell types can be utilized to develop sophisticated in vitro models with multifaceted end-point readouts. Building these as mono-, co-or even tri-culture with utility in multiple platforms is possible.
Axol Bioscience has utilized this method to build biological models in diverse MPS platforms with rapid maturation.
Figure 5. 2D model: NETRI Microfluidic devices built with axoCells motor neuron and sensory neuron cultures. (A) axoCells iPSC-derived motor neurons at day 10. Red = Beta tubulin marker, yellow = ChAT marker. (B) axoCells iPSC-derived sensory neurons at day 20. Green = Beta tubulin marker, yellow = Nav 1.7 marker, blue = Dapi. Image Credit: Axol Bioscience Ltd
Figure 6. 2D model: Neuromuscular junction (NMJ) built with axoCells motor neurons and skeletal muscle in co-culture. Xona microfluidics co-culture of axoCells human iPSC-derived motor neurons and skeletal muscle as an NMJ model. The motor neurons (stained yellow using NeuN) completely overlap the postsynaptic acetylcholine receptors (stained green using fluorescent α bungarotoxin conjugates) and skeletal muscle (stained red using Titin). Image Credit: Axol Bioscience Ltd
Figure 7. 3D Model: MEA NMJ model measuring motor neuron-induced skeletal muscle contraction for ALS. (A) The MEA platform measures skeletal muscle contraction driven by innervated motor neurons from the scaffold above, where neurites span a 50um fluidic space between the cell types. (B) The C9orf72 hyperexcitability phenotype of the ALS motor neurons is demonstrated here by the increased number of driven contractions (“beats”) per minute, BPM, compared to the healthy control-derived motor neurons. (C) Schematic timeline of the protocol used to generate the assay-ready platform in 15 days. Image Credit: Axol Bioscience Ltd
Developing helpful iPSC –based in vitro models for several platforms necessitates well-verified cell types that have been evaluated with multiple parameters for optimum functionality in the selected platform. This article has discussed key parameters to consider when validating human iPSC-derived neuronal cells and data on potential in vitro models that can be developed using these cells.
Building isolated 2D and 3D culture environments provides distinct approaches for assessing intracell interactions, such as an in vitro neuromuscular junction model. Fueling these culture environments with functional human iPSC-derived cell types has allowed researchers to generate more sophisticated in vitro models relevant to humans for research and discovering new drugs, paving the way for more effective therapies for patients worldwide.
The first choice for high-quality, functionally relevant iPSC-derived cells .
With over a decade of experience, we’ve developed the manufacturing capabilities to produce high-quality, functional iPSC-derived cells with excellent consistency.
Your research can benefit from our quality-focused approach, with our catalog of robust, highly relevant iPSC-derived neurons and cardiomyocytes developed at our ISO 9001:2015-accredited production facility.
Our leading neuronal cell types include: cortical excitatory neurons, striatal neurons, cortical inhibitory interneurons, microglia, astrocytes, sensory neurons and motor neurons. We also provide high-quality atrial cardiomyocytes and ventricular cardiomyocytes, as well as made-to-order myotubes.
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Last updated: Sep 16, 2024 at 9:57 AM
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Validating a tri-culture cortical model to advance neurodegenerative drug discovery
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