Ventricular Surface Targeting
Ventricular Surface Targeting - Related Videos
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This video demonstrates a method to assess target protein internalization in the mouse cortical astrocytes using biotinylation, followed by cell lysis, streptavidin-based protein extraction, denaturation, and Western blot analysis to confirm successful internalization.
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Reverse Genetic Morpholino Approach Using Cardiac Ventricular Injection to Transfect Multiple Difficult-to-target Tissues in the Zebrafish Larva
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An adaptable reverse genetic method for zebrafish to assess gene function during later stages of development and physiological homeostasis such as tissue regeneration using intraventricular injections of gene-specific morpholinos.
10:40
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This protocol describes customizable surface functionalization of the desthiobiotin, streptavidin, and APTES system in order to isolate specific cell types of interest. In addition, this manuscript covers the applications, optimization, and verification of this process.
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07:24
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FAQs
Apical processes of neural progenitor cells extend toward and contact the ventricular lumen, creating an access route for material placed in that space. This anatomical arrangement allows introduced labels, gene-delivery agents, or cellular manipulation tools to reach cells positioned at the ventricular surface. The approach therefore links lumen exposure with the location of progenitors during nervous-system development.
Targeting efficiency changes with developmental timing, the delivery method, and how evenly material is distributed across the ventricular surface. These factors determine which progenitor cells encounter the introduced material and how consistently they are affected. Choosing conditions that match the developmental stage helps investigators focus on the intended cell population rather than producing uneven or poorly localized labeling.
Distribution determines whether the intervention reaches a broad region of the ventricular surface or only a limited subset of cells. Uneven exposure can make labeling or manipulation appear cell-specific when it actually reflects restricted delivery. Assessing where material reaches is therefore essential for interpreting targeting efficiency and for linking observed effects to the intended progenitor population.
By focusing interventions on ventricular-surface progenitors, investigators can examine neural stem and progenitor cell behavior, including asymmetric division and subsequent migration. The resulting observations can connect gene activity or cellular manipulation with changes in how progenitors divide and how their descendants move during development. This makes the approach useful for studying developmental relationships within defined cell populations.
A typical strategy begins by selecting the developmental stage and cell population of interest, then introducing the experimental material into the ventricular lumen. Investigators must consider the delivery method and aim for an appropriate distribution across the ventricular surface. Subsequent labeling or analysis determines which cells were reached and how the intervention affected their behavior.
This approach is useful when researchers need to alter or track gene activity in neural progenitor cells during a defined developmental window. Focusing delivery near the ventricular surface can connect a gene's function with progenitor behavior, asymmetric division, migration, or cortical development. It also supports studies of disease mechanisms when those processes depend on developmental changes in specific cell populations.
In cortical development studies, the method provides a way to examine progenitors located at the ventricular surface and follow consequences for division and migration. Interventions can be directed toward defined populations during critical developmental stages, allowing researchers to relate cellular changes to cortical formation. The same framework can help investigate how disrupted progenitor behavior contributes to disease mechanisms.