Immunofluorescence Labeling
Immunofluorescence Labeling - Related Videos
03:44
A Double-Labeling Immunofluorescence Technique to Visualize Host and Pathogen Proteins in an Infected Cell
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2025
This video showcases double-labeling immunostaining with two different primary antibodies raised in the same species, binding specifically to parasite and host proteins. Furthermore, labeled secondary antibodies targeting these primary antibodies allow the distinct visualization of host and parasite proteins, facilitating the study of host-pathogen interaction.
07:16
Immunofluorescent Labeling of Plant Virus and Insect Vector Proteins in Hemipteran Guts
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Cited by 1 •
2021
This protocol for immunofluorescent labeling of both plant virus proteins and vector insect proteins in excised insect guts can be used to study interactions among virus and vector insects, insect protein functions and molecular mechanisms underlying virus transmission.
07:35
Double Labeling Immunofluorescence using Antibodies from the Same Species to Study Host-Pathogen Interactions
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Cited by 1 •
2021
Here, the protocol describes how to perform double labeling immunofluorescence using primary antibodies raised in the same species to study host-pathogen interactions. Also, it can include the third antibody from a different host in this protocol. This approach can be made in any cell type and pathogens.
09:56
Immunofluorescence Microscopy: Immunofluorescence Staining of Paraffin-Embedded Tissue Sections
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2023
Source: Thomas Chaffee1, Thomas S. Griffith2,3,4, and Kathryn L. Schwertfeger1,3,4 1 Department of Lab Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455 2 Department of Urology, University of Minnesota, Minneapolis, MN 55455 3 Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455 4 Center for Immunology, University of Minnesota, Minneapolis, MN 55455 Pathologic analyses of tissue sections can be used to obtain a better understanding of normal tissue...
07:17
Immunofluorescence Labelling of Human and Murine Neutrophil Extracellular Traps in Paraffin-Embedded Tissue
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Cited by 21 •
2019
Neutrophil extracellular traps (NETs) are three-dimensional structures generated by stimulated neutrophil granulocytes. It has become clear in recent years that NETs are involved in a wide variety of diseases. Detection of NETs in tissue may have diagnostic relevance, so standardized protocols for labelling NET components are required.
FAQs
The primary antibody provides the molecular recognition step by binding the selected target. A fluorescent secondary antibody can then bind that primary antibody, separating target recognition from light-based detection. This arrangement lets investigators visualize the location of the chosen molecule while retaining distinct stages for binding and fluorescence detection.
Excitation and emission determine how the microscope converts antibody labeling into an image. Illumination at an appropriate excitation wavelength stimulates the fluorescent tag, which then produces emitted light that can be detected as the signal. The resulting pattern indicates where the labeled target occurs in the sample, linking optical output to molecular location rather than general tissue appearance.
Specificity matters because brain tissue contains many closely arranged cell types and molecular structures. The primary antibody must recognize the intended neuronal protein, receptor, axonal component, dendritic component, or glial marker; otherwise, the observed fluorescence may not represent the structure under study. Careful target selection therefore determines whether an image can support conclusions about neural organization or cellular responses.
Spatial localization adds information about where a molecule occurs within a complex neural sample. Fluorescence patterns can be examined in relation to labeled axons, dendrites, neuronal proteins, receptors, or glial markers. This spatial perspective helps connect molecular identity with neural organization, development, and disease-related changes rather than treating the target as an isolated molecular signal.
Planning starts with the biological question and the molecule that best addresses it. Researchers then select an antibody-based labeling strategy suited to that target and identify the neural structures or cell populations whose locations matter, such as axons, dendrites, or glial elements. This alignment prevents the imaging step from producing data disconnected from the intended neuroscience question.
Researchers examine which labeled molecules appear in particular regions or neural structures and whether their patterns differ across development, disease-related states, or experimental conditions. Because the method combines molecular specificity with spatial imaging, fluorescence can be related to neuronal proteins, receptors, axons, dendrites, and glial markers. The result is a map of location and associated biological change.
It is particularly useful when a study needs to connect a molecular identity with its position in brain tissue. Applications include mapping neuronal proteins and receptors, visualizing axonal or dendritic organization, identifying glial markers, and examining changes during neural development, disease-related processes, or responses to experimental conditions. These uses make the technique suited to questions about neural organization and change.