Pkh 26 Labeling
Pkh 26 Labeling - Related Videos
08:55
The Colon-26 Carcinoma Tumor-bearing Mouse as a Model for the Study of Cancer Cachexia
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Cited by 111 •
2016
Mice bearing the Colon-26 (C26) carcinoma represent a classical model of cancer cachexia. Progressive muscle wasting occurs in association with tumor growth, over-expression of muscle-specific ubiquitin ligases, and reductions in muscle cross-sectional area. Fat loss is also observed. Cachexia is studied in a time-dependent manner with increasing severity of wasting.
09:19
Simultaneous Label-Free Autofluorescence Multi-Harmonic Microscopy
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Cited by 3 •
2025
This protocol presents a step-by-step guide for the Simultaneous Label-free Autofluorescence Multi-harmonic (SLAM) microscopic technique, including details on how to generate the laser light source, prepare a tissue sample, conduct imaging, and analyze the data. SLAM advances nonlinear microscopy by measuring four complementary label-free contrasts to investigate the tissue microenvironment.
22:49
Optimized Staining and Proliferation Modeling Methods for Cell Division Monitoring using Cell Tracking Dyes
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Cited by 45 •
2012
Successful use of cell tracking dyes to monitor immune cell function and proliferation involves several critical steps. We describe methods for: 1) obtaining bright, uniform, reproducible label-ing with membrane dyes; 2) selecting fluorochromes and data acquisition conditions; and 3) choosing a model to quantify cell proliferation based on dye dilution.
08:28
Metabolic Labeling
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2023
Metabolic labeling is used to probe the biochemical transformations and modifications that occur in a cell. This is accomplished by using chemical analogs that mimic the structure of natural biomolecules. Cells utilize analogs in their endogenous biochemical processes, producing compounds that are labeled. The label allows for the incorporation of detection and affinity tags, which can then be used to elucidate metabolic pathways using other biochemical analytical techniques, such as SDS-PAGE...
10:16
Design and Operation of a Continuous 13C and 15N Labeling Chamber for Uniform or Differential, Metabolic and Structural, Plant Isotope Labeling
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Cited by 39 •
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This method explains how to build and operate a continuous 13C and 15N isotope labeling chamber for uniform or differential plant tissue labeling. Representative results from metabolic and structural labeling of Andropogon gerardii are discussed.
FAQs
The lipophilic dye inserts into the cell membrane’s lipid bilayer, where it produces red fluorescence that can be followed over time. Because the label is associated with the membrane rather than a transient extracellular signal, researchers can use it to identify labeled cells during observations of movement, interactions, uptake, or responses to treatment.
During cell division, the membrane-associated fluorescence is distributed between the two daughter cells. Consequently, each daughter population can retain a detectable signal while showing reduced fluorescence relative to the original labeled cell. Researchers can use this pattern to follow proliferation and distinguish changes associated with cell division from simple movement or persistence.
Fluorescence microscopy enables researchers to observe where labeled cells are located and examine their interactions in visual contexts. Flow cytometry provides a way to detect fluorescently labeled cells within a measured cell population. Using either approach, investigators can follow labeled populations and relate their detection to movement, uptake, proliferation, or treatment responses.
A typical workflow begins by labeling the cell membrane with PKH26, followed by observation of the labeled population over time. Fluorescence microscopy or flow cytometry then detects the red signal at selected stages. Comparing these observations allows researchers to assess whether cells move, interact, undergo uptake, divide, or change after experimental treatment.
PKH26 labeling can help track immune-cell movement, cell-to-cell interactions, uptake, and proliferation. In infection-related experiments, these observations provide a way to examine how immune cells behave during pathogen-associated processes. The resulting cell-tracking information can connect changes in cellular dynamics with broader immune responses and experimental conditions.
The method is useful when researchers need to compare how living cell populations behave over time in response to an experimental treatment. Changes in movement, interactions, uptake, or proliferation can be followed through the fluorescent signal. In immunology and infection studies, these outcomes help relate treatment-associated cellular behavior to immune or pathogen-related processes.