Dissociated Explants
Dissociated Explants - Related Videos
04:30
Generating Dorsal Root Ganglion Explant and Dissociated Cell Culture
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2025
This video demonstrates a method to develop dorsal root ganglia or DRG explant culture and DRG-dissociated cell models using isolated mouse DRG tissues. These models help to study various mechanisms with neuron-glial interactions in a controlled environment.
03:35
Dissociating and Culturing Neurons from Hippocampal Tissue Samples
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2025
This video demonstrates the dissociation and culture of hippocampal neurons from hippocampal tissue samples using enzymatic and mechanical dissociations. The treatment with Ara-C inhibits the growth of non-neuronal cells, facilitating the selective growth of hippocampal neurons.
06:25
Explant Culture for Developmental Studies
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2023
Explant culture is a technique in which living cells or tissues are removed from an embryo for continued development outside of the organism. This ex vivo approach allows researchers to manipulate and observe developing tissues in ways that are not possible in vivo. Once established, explant culture is frequently used to understand the role of genes and signaling molecules in organogenesis. This video will first introduce the basic principles of explant culture and demonstrate a protocol to...
07:45
Explant Culture of Neural Tissue
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2023
The intricate structure of the vertebrate nervous system arises from a complex series of events involving cell differentiation, cell migration, and changes in cell morphology. Studying these processes is essential to our understanding of nervous system function as well as our ability to diagnose and treat disorders that result from abnormal development. However, neural tissues are relatively inaccessible for experimental manipulations, especially in embryonic mammals. As a result, many...
11:13
Stem cell-like Xenopus Embryonic Explants to Study Early Neural Developmental Features In Vitro and In Vivo
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Cited by 1 •
2016
In Xenopus embryos, cells from the roof of the blastocoel are pluripotent and can be programmed to generate various tissues. Here, we describe protocols to use amphibian blastocoel roof explants as an assay system to investigate key in vivo and in vitro features of early neural development.
FAQs
Separating cells or smaller tissue units removes, or reduces, the immediate influence of neighboring cells and extracellular matrix. Researchers can then observe whether growth, differentiation, migration, or lineage decisions continue under defined culture conditions. Persistence suggests a cell-intrinsic program, whereas altered behavior indicates dependence on signals or structural support normally supplied by the original tissue.
Cell-cell and extracellular matrix connections help maintain cells within their original tissue context and may support interactions with nearby structures. Mechanical disruption or enzymatic digestion loosens these connections, creating smaller experimental units for observation. The resulting preparation can therefore emphasize individual cell behavior, residual local interactions, or responses to the defined culture environment.
Defined culture conditions provide a controlled setting after tissue connections have been loosened. This control helps investigators attribute observed changes to the cells' own developmental programs or to the conditions maintained in culture, rather than to uncontrolled influences from the original tissue. It also supports consistent observation of growth, differentiation, migration, and interactions.
Researchers first remove a tissue sample, then separate it into smaller cell or tissue units through mechanical disruption or enzymatic digestion. The resulting material is maintained under defined culture conditions and monitored for developmental behaviors such as growth, differentiation, migration, or interactions. This sequence preserves a clear link between preparation and subsequent cellular responses.
They choose it when the experimental question requires separating cell-intrinsic programs from signals provided by neighboring tissues. Culturing dissociated material allows direct observation of how cells behave outside their original environment, which is useful for examining tissue patterning, morphogenesis, regeneration, and lineage decisions. The approach therefore complements analysis of organized tissue.
Observed growth, differentiation, migration, or interactions can show how developmental behavior changes when cells are removed from their original tissue context. These outcomes help investigators assess whether lineage decisions and other behaviors are maintained independently or depend on neighboring-tissue signals. In developmental biology, that information connects cellular responses with patterning, morphogenesis, and regeneration.