Neural Development Toxicity
Neural Development Toxicity - Related Videos
02:53
Developing a Micro-Tissue-Engineered Neural Network Using a Hydrogel-Based Micro-column
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2025
Source: Struzyna, L. A. et. al., Anatomically Inspired Three-dimensional Micro-tissue Engineered Neural Networks for Nervous System Reconstruction, Modulation, and Modeling. J. Vis. Exp. (2017)This video demonstrates the development of micro-tissue-engineered neural networks using a hydrogel micro-column with an extracellular matrix core. Seeded neuronal aggregates adhere, extend projections, and form structured neural networks, contributing to advancements in neurodevelopment and...
07:49
Time-lapse Live Imaging of Clonally Related Neural Progenitor Cells in the Developing Zebrafish Forebrain
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Cited by 11 •
2011
The present video demonstrates a method which takes advantage of the combination of electroporation and confocal microscopy to perform live imaging on individual neural progenitor cells in the developing zebrafish forebrain. In vivo analysis of the development of forebrain neural progenitor cells at a clonal level can be achieved in this way.
04:22
Embryo-Based Chemical Toxicity Screen: Assessing Effects on Developing Zebrafish Embryos
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2023
In this article, zebrafish embryos are used for chemical toxicity screening. Chemical toxicity is correlated with phenotype readouts. The sample protocol shows a methodological approach of performing the chemical toxicity screening.
02:15
Differentiation of Neural Progenitor Cells into Neurons
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2025
The video showcased a cell culture method for differentiating neural progenitor cells into neurons. By incubating cells in a nutrient-rich medium supplemented with growth factors, the progenitor cells matured into neurons with developed axons and dendrites. A stabilizing agent ensured cell viability and protected against oxidative damage throughout the differentiation process.
10:32
Enumeration of Neural Stem Cells Using Clonal Assays
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Cited by 5 •
2016
Neural stem cells (NSCs) refer to cells which can self-renew and differentiate into the three neural lineages. Here, we describe a protocol to determine NSC frequency in a given cell population using neurosphere formation and differentiation under clonal conditions.
FAQs
Sensitivity depends on which nervous-system process is active when exposure occurs. An agent encountered during neural progenitor proliferation may affect the number of cells available for later development, whereas exposure during neuronal migration, synapse formation, or programmed cell death may influence different structural or functional outcomes. Comparing sensitive stages helps researchers connect exposure timing with specific developmental changes.
Researchers examine neural progenitor proliferation, neuronal differentiation, migration, synapse formation, and programmed cell death as distinct biological endpoints. Changes in these processes can indicate whether an exposure interferes with cell production, cell identity, positioning, connectivity, or survival. Assessing several endpoints provides a more informative picture of how nervous-system structure and signaling may be altered.
Altered brain signaling may reflect earlier disruption of neural formation rather than an isolated functional change. For example, effects on differentiation, migration, or synapse formation can modify how neural cells are organized and connected. Molecular measurements, cellular observations, and animal findings can therefore be considered together to relate signaling changes to underlying developmental processes.
Assessment combines cellular, animal, and molecular approaches, with each providing different evidence about developmental effects. Cellular studies can examine specific neural processes, molecular approaches can identify altered pathways, and animal studies can evaluate outcomes in a developing nervous system. Using these complementary levels helps researchers characterize exposure-related changes rather than relying on a single measurement.
Studies may measure changes in neural progenitor proliferation, neuronal differentiation and migration, synapse formation, programmed cell death, brain structure, or signaling. The selected outcomes depend on the developmental process under investigation and the assessment system used. Together, these measurements can show whether an exposure produces cellular changes, structural differences, functional alterations, or effects across several levels.
These assessments support hazard identification and the evaluation of drug and chemical safety. They are also used in developmental biology to investigate how early-life exposures may contribute to persistent neurodevelopmental effects. Findings from cellular, animal, and molecular studies can connect an exposure with altered pathways and developmental outcomes, informing further evaluation of potentially harmful agents.