Related Experiment Video
Updated: Jun 3, 2026

09:11
Immunohistochemical Analysis in the Rat Central Nervous System and Peripheral Lymph Node Tissue Sections
Published on: November 14, 2016
Lectin histochemistry and cytochemistry-light microscopy : avidin-biotin amplification on resin-embedded sections
1Department of Pathological Sciences, Stopford Building, University of Manchester, UK.
Methods in Molecular Medicine
|March 5, 2011
Summary
Glycobiology studies the roles of glycans, which are crucial for cell functions and interactions. Lectins are key tools for precisely mapping glycan locations and understanding their biological significance.
Area of Science:
- Glycoscience
- Molecular and Cellular Biology
- Biochemistry
Background:
- Glycans are fundamental components of cell surfaces, extracellular matrices, and secretions.
- They play vital roles in cell recognition, adhesion, and regulating the cellular microenvironment.
- Glycans are implicated in diverse cellular processes, including endomembrane trafficking, gene expression, and energy storage.
Purpose of the Study:
- To highlight the emergence and importance of glycobiology as a major research field.
- To emphasize the critical link between glycan localization and biological function.
- To discuss the challenges and methods in precisely localizing glycans within tissues.
Main Methods:
- Utilizing lectins as probes for glycan detection and localization.
- Application of lectins to paraffin sections, initially with fluorochrome labels.
- Advancements include nonfluorescent systems (biotin-avidin-peroxidase) and resin embedding for improved resolution.
Main Results:
- Glycans are specifically localized in distinct anatomical regions.
- Lectins enable the precise anatomical localization of glycans.
- Modern techniques offer enhanced resolution and efficiency in glycan analysis.
Conclusions:
- The precise anatomical localization of glycans is essential for understanding their biological functions.
- Lectins have become indispensable tools in histochemistry for glycan research.
- Technological advancements continue to improve the ability to study glycan distribution and function.
Related Concept Videos
Immunogold Electron Microscopy
Immunoelectron microscopy utilizes immunogold labeling of endogenous proteins with specific antibodies to detect and localize these proteins in cells and tissues. The procedure provides insights into the distribution and quantification of protein under different stimulation conditions offering clues about their functions. Conjugating highly electron-dense gold particles with primary or secondary antibodies allow antigen detection on and within cells, with high resolution and specificity.
Fixation and Sectioning
Two basic types of preparation are used to visualize specimens with a light microscope: wet mounts and fixed specimens.
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
Labeling DNA Probes
DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
Immunocytochemistry and Immunohistochemistry
Immunocytochemistry (ICC) and immunohistochemistry (IHC) are techniques that use antibodies to check for specific proteins or antigens in a sample. The technique was first published by Albert Coons in 1941 to detect the presence of pneumococcal antigen in tissue sections from mice infected with Pneumococcus. Immunocytochemistry helps localization of proteins or antigens in individual cells like blood cells, stem cells, etc., while immunohistochemistry does the same for tissue samples.
These...
These...

