Long-term Imaging
Long-term Imaging - Related Videos
03:41
In Vitro Calcium Imaging in Short-Term and Long-Term Rat Hippocampal Cultures
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2025
Source: Calvo-Rodríguez, et al. Fluorescence and Bioluminescence Imaging of Subcellular Ca2+ in Aged Hippocampal Neurons. J. Vis. Exp. (2015). This video demonstrates the use of fluorescence imaging to measure cytosolic calcium levels in short-term and long-term rat hippocampal cultures. By comparing young and aged neurons, it highlights how increased L-type voltage-gated calcium channel density and prolonged activation in aged neurons result in calcium overloading, a hallmark of neuronal aging.
06:08
Long-term Live Imaging of Drosophila Eye Disc
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Cited by 6 •
2017
This protocol describes a detailed method for the long-term ex vivo culture and live imaging of a Drosophila imaginal disc. It demonstrates photoreceptor differentiation and ommatidial rotation within the 10 h period of live imaging of the eye disc. The protocol is simple and does not require expensive setup.
07:51
Agarose Microchambers for Long-term Calcium Imaging of Caenorhabditis elegans
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Cited by 42 •
2015
Imaging behavior and neural activity over long time scales without immobilization of the animal is a prerequisite to understand behavior. Agarose microfluidic chambers imaging (AMI) can be used to image neural activity and behavior for all life stages of Caenorhabditis elegans.
07:19
Long-term High-Resolution Intravital Microscopy in the Lung with a Vacuum Stabilized Imaging Window
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Cited by 32 •
2016
This protocol describes the use of multiphoton microscopy to perform long-term high-resolution, single cell imaging of the intact lung in real time using a vacuum stabilized imaging window.
FAQs
Maintaining stable environmental conditions is central because living specimens must remain viable throughout repeated observation. The imaging setup follows the same preparation over time while preserving conditions that support cell and tissue survival. This makes observed movement or structural change more interpretable as a biological process rather than a consequence of specimen deterioration.
Following one specimen connects events across time and preserves their spatial context. Instead of showing isolated snapshots, the resulting record can reveal how an immune cell moves, encounters a pathogen, or participates in changing tissue organization. This continuity helps distinguish transient events from progressive changes associated with infection or immune activity.
Labels allow investigators to distinguish the relevant biological participants or structures during observation. Depending on the experiment, labeled immune cells, pathogens, or cellular structures can be followed as they move and interact. This makes it possible to relate specific cellular behaviors to host-pathogen encounters, immune responses, and changes occurring within infected tissue.
A basic workflow begins by preparing a living cell, tissue, or organism containing the features of interest, such as labeled immune cells or pathogens. The specimen is then maintained under controlled environmental conditions while time-lapse microscopy repeatedly records it. Researchers examine the sequence to identify movement, encounters, infection progression, or tissue reorganization.
This approach is particularly useful when the question concerns processes that unfold over time rather than a single cellular state. It can follow immune-cell migration, host-pathogen encounters, infection progression, and tissue organization within the same specimen. These applications help connect dynamic cellular behavior with broader immune responses and disease outcomes.
Long-term recordings can reveal when and where cellular events occur, how cells move, whether immune cells interact with pathogens, and how tissue organization changes during infection. By preserving temporal and spatial relationships, the data provide a more precise view of biological progression than isolated observations, supporting interpretation of immune activity and infectious processes.