Histochemical Labeling
Histochemical Labeling - Related Videos
10:39
Histochemical Staining of Arabidopsis thaliana Secondary Cell Wall Elements
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Cited by 250 •
2014
Plant cell wall composition varies between tissue types and can include lignin, cellulose, hemicelluloses, and pectin. Various staining techniques have been developed to visualize differences at the cell-type level. This paper is a compilation of commonly used cell wall staining techniques.
03:34
Histochemical Imaging of Cortical Modules in Flattened Brain Sections
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2025
Source: Lauer, S. M., et al. Visualization of Cortical Modules in Flattened Mammalian Cortices. J. Vis. Exp. (2018) This video demonstrates a method to visualize the cortical modules in flattened brain sections using histochemical staining. Pre-fixed sections are treated with a straining reagent that highlights active neural clusters, forming dark, high-contrast regions. After mounting and dehydration, cortical modules appear under a bright-field microscope as dark, patchy patterns.
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.
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...
08:40
Quantitation of Protein Expression and Co-localization Using Multiplexed Immuno-histochemical Staining and Multispectral Imaging
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Cited by 17 •
2016
Immunohistochemistry is a powerful lab technique for evaluating protein localization and expression within tissues. Current semi-automated methods for quantitation introduce subjectivity and often create irreproducible results. Herein, we describe methods for multiplexed immunohistochemistry and objective quantitation of protein expression and co-localization using multispectral imaging.
FAQs
Specificity comes from the interaction between the labeling reagent and its target. Dyes can highlight selected tissue components, enzyme-linked reactions generate signals through localized chemical activity, and antibodies bind particular molecules. Because the resulting color or fluorescence remains associated with the target’s site, researchers can distinguish molecular distributions within complex neural tissue.
These approaches differ mainly in how they generate and localize the signal. Selective dyes provide visible color, enzyme-linked reactions produce a colored reaction product at the relevant site, and antibodies recognize particular molecules. The choice determines whether the experiment emphasizes general tissue organization, reaction-based localization, or a defined molecular marker.
Spatial localization connects a detected molecule or marker with a specific anatomical position. This allows investigators to relate protein distribution or neurotransmitter-related markers to neuronal architecture and surrounding tissue organization. The same signal therefore provides more than molecular presence: it helps interpret cellular arrangement, regional patterns, and anatomical changes linked to neural function or pathology.
The main observable outputs are colored or fluorescent signals positioned where the selected target occurs. These signals make microscopic organization visible and can also be measured, allowing researchers to compare the distribution of labeled molecules, cell types, or structures within preserved samples. Signal location and pattern provide the basis for anatomical interpretation.
A generalized workflow begins with a preserved biological sample, followed by exposure to a suitable selective dye, enzyme-linked reaction, or antibody directed toward the feature of interest. The labeled tissue is then examined microscopically, where color or fluorescence reveals target locations. This sequence links the chosen marker with visible anatomical organization.
Neuroscientists use it when they need to connect cellular or molecular identity with anatomy. Applications include examining neuronal architecture, mapping protein distribution, identifying neurotransmitter-related markers, and assessing changes associated with injury or disease. The approach also supports research on brain connectivity, cellular function, development, and neuropathology by placing biological findings within tissue context.