Brain Stem
Brain Stem - Related Videos
04:35
Generating Brain Endothelial Cells from Induced Pluripotent Stem Cells
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2025
This video demonstrates a protocol to induce the differentiation of induced pluripotent stem cells into brain endothelial cells.
11:27
Growing Neural Stem Cells from Conventional and Nonconventional Regions of the Adult Rodent Brain
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Cited by 7 •
2013
Neural stem cells harvested from the adult brain are increasing utilized in applications ranging from the basic research of nervous system development to exploring potential clinical applications in regenerative medicine. This makes rigorous control in the isolation and culturing conditions used to grow these cells critical to sound experimental outcomes.
02:12
Analyzing Neural Stem Cell Reactivation in Cultured Drosophila Brain Explants
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2025
This video demonstrates a protocol to identify exogenous factors that initiate the reactivation of Drosophila brain neural stem cells from their quiescent state. Freshly hatched larvae are dissected to isolate their brains, which are then cultured in media with or without a test hormone to evaluate the hormone's potential to induce neural stem cell reactivation and proliferation.
04:25
A Technique to Generate Brain Organoids from Human Embryonic Stem Cells
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2025
This video demonstrates a technique for generating cerebral organoids from human embryonic stem cells (hESCs). The adherent culture of hESC colonies is treated with enzymes to detach and break them into clusters. These clusters form three-dimensional spheres in suspension, which are then induced to differentiate into organoids that mimic the brain cortex with layers of neurons and glial cells.
02:39
Intranasal Mesenchymal Stem Cell Delivery in a Mouse Model of Traumatic Brain Injury
0 Views •
2025
Source: Shahror, R. A. et. al., Tracking Superparamagnetic Iron Oxide-labeled Mesenchymal Stem Cells using MRI after Intranasal Delivery in a Traumatic Brain Injury Murine Model. J. Vis. Exp. (2019)This video demonstrates intranasal mesenchymal stem cell (MSC) delivery in a mouse model. MSCs absorb into nasal tissue, migrate to the brain via cytokine signals, and secrete neurotrophic factors at the injury site, offering neurotherapeutic potential for neuronal repair.
FAQs
Ascending pathways carry sensory signals toward higher neural centers, while descending pathways transmit motor signals toward the body. By relaying information in both directions, the brain stem links activity in the cerebrum and cerebellum with the spinal cord. This arrangement allows biologists to examine how sensory processing and movement remain coordinated.
Autonomic circuits in the brain stem regulate breathing, heart rate, blood pressure, swallowing, and arousal without requiring conscious control. Their importance comes from coordinating several functions necessary for continued activity of the body. Studying these circuits helps biologists understand how neural control supports life-sustaining processes.
Cranial nerve nuclei provide specialized control within the brain stem for eye movements, facial activity, hearing, balance, and other essential responses. These nuclei show that the region does more than relay signals between larger neural structures. Their organization helps explain how sensory and motor functions are coordinated in specific parts of the nervous system.
Examining the arrangement of pathways, autonomic circuits, and cranial nerve nuclei can clarify how the brain coordinates consciousness and movement with body functions. The brain stem is especially informative because it connects higher neural centers with spinal pathways while also regulating arousal. This organization gives biology a framework for interpreting complex neurological function.
Disruption of brain stem structures can interfere with pathways and circuits responsible for sensory and motor signaling, autonomic regulation, cranial nerve functions, or arousal. Because these roles are closely tied to essential responses, studying the affected organization helps biologists interpret how neurological disorders or injuries alter body control and neural communication.
The brain stem connects the activity of the cerebrum and cerebellum with the spinal cord while integrating signal relay, autonomic regulation, and cranial nerve functions. This combination makes it useful for examining how different levels of the nervous system work together. Its organization also provides context for research on movement, consciousness, and neurological disruption.