Neuron Ablation
Neuron Ablation - Related Videos
04:42
Targeted Neuronal Ablation Using Two-Photon Microscopy in a Zebrafish Larava
0 Views •
2025
Source: Muto, A., et al. Ablation of a Neuronal Population Using a Two-photon Laser and Its Assessment Using Calcium Imaging and Behavioral Recording in Zebrafish Larvae. J. Vis. Exp. (2018) In this video, a two-photon laser ablation procedure is demonstrated, enabling the selective destruction of fluorescent neurons in agarose-immobilized zebrafish larvae. High-resolution imaging before and after the procedure confirms efficient neuronal damage, as observed by the absence of fluorescence.
05:13
Selective Single-Neuron Laser Ablation in a Zebrafish Larva Using a Confocal Microscope
0 Views •
2025
Source: Morsch, M., et. al., Triggering Cell Stress and Death Using Conventional UV Laser Confocal Microscopy. J. Vis. Exp. (2017) In this video, we explore the technique of high-intensity UV laser ablation for precisely targeting and studying individual neurons in transgenic zebrafish. We demonstrate how to prepare, immobilize, and visualize neuronal responses, highlighting the cellular dynamics of injury and recovery.
11:21
Robotic Ablation of Atrial Fibrillation
0 Views •
Cited by 12 •
2015
Pulmonary vein isolation (PVI) with an ablation catheter is a curative treatment for atrial fibrillation (AF). Robotic catheter systems aim to improve catheter steerability. Here, a procedure with a new robotic catheter system is presented. The goal of the procedure is electrical block between pulmonary vein and left atrium.
07:16
Thermal Ablation for the Treatment of Abdominal Tumors
0 Views •
Cited by 19 •
2011
A thermal tumor ablation procedure is described. The entire procedure is detailed, including pretreatment planning and imaging studies, anesthesia, adjuvant techniques to facilitate a percutaneous approach, imaging guidance of the ablation device to the tumor, thermal treatment, post-treatment care and follow-up.
07:47
Surgical Ablation Assay for Studying Eye Regeneration in Planarians
0 Views •
Cited by 3 •
2017
This protocol shows how to consistently excise planarian eyes (optic cups) without disturbing surrounding tissues. Using an insulin needle and syringe, either one or both eyes can be ablated to facilitate investigations into the mechanisms regulating eye regeneration, the evolution of visual regeneration, and the neural basis of light-induced behavior.
FAQs
Selectivity determines whether observed changes can be attributed to the targeted neurons rather than damage to nearby tissue. Genetic, chemical, optical, and surgical approaches differ in how precisely they can affect selected cells or neuronal regions. Preserving surrounding structures as much as possible strengthens conclusions about circuit function and reduces ambiguity when interpreting changes in activity or behavior.
These approaches use different routes to eliminate selected neurons or neuronal tissue. Genetic methods can target cells through inherited or engineered characteristics, whereas chemical and optical methods trigger destruction through selective treatments. Surgical approaches remove tissue directly. The appropriate choice depends on the cells or region under study and the need to preserve neighboring structures.
Comparing neural activity, behavior, or recovery before and after ablation helps identify changes associated with removing the selected neurons. This design supports causal testing because researchers can relate a targeted intervention to a measurable outcome rather than relying only on correlations. The results can reveal how particular cells contribute to circuit operation or behavior.
Post-ablation outcomes may show whether nervous-system functions remain altered, partially recover, or change through compensatory processes. Compensation indicates that other neural elements may support functions after the targeted cells are lost, while regeneration concerns recovery associated with restoration or regrowth. Tracking recovery therefore helps distinguish immediate circuit dependence from longer-term adaptation.
A typical study selects neurons or neuronal tissue, applies a genetic, chemical, optical, or surgical ablation method, and then evaluates neural activity, behavior, or recovery. Investigators compare measurements collected before and after the intervention and interpret the differences in relation to the targeted cells. Preserving surrounding structures remains important throughout the experimental design.
Neuroscientists use this approach when they need to test how selected neurons contribute to development, sensory processing, motor control, or behavior. Removing the cells and examining resulting changes can help map functional circuits and evaluate causal relationships. The method is also relevant to neurodegeneration, where loss of neurons and its consequences are central research concerns.
Ablation creates a controlled context for examining what happens after neuronal loss, including altered activity, behavioral effects, compensation, and recovery. These observations can identify limits of natural restoration and indicate how neural networks respond when specific cells or tissue are missing. Such findings support neuroscience research on regeneration and possible strategies for repairing damaged neural networks.