Autoantibody Detection
Autoantibody Detection - Related Videos
06:09
Detection of Human Islet Autoantibodies Using an Electrochemiluminescence Assay
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2025
This video showcases the electrochemiluminescence detection of islet autoantibodies in human serum. The antibodies in the serum bridge the ruthenium-conjugated antigen to the biotinylated capture antigen, forming complexes that are detected by electrochemiluminescence measurements.
03:52
An Assay to Detect Autoantibodies in Human Serum using a Hippocampal Neuronal Culture
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2025
This video demonstrates a technique for identifying antibodies against specific antigens in a sample using a rat hippocampal neuronal culture. By exposing cultured neurons to patient samples containing autoantibodies targeting N-Methyl-D-aspartate receptors (NMDARs), the presence of autoantibodies bound to the neuronal surface is revealed through immunostaining.
10:55
Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy
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2025
We provide a step-by-step immunocytochemistry (ICC) methodology for detecting anti-MDA5. This approach involves cell fixation, permeabilization, antibody incubation, and imaging techniques, which allow for the accurate detection of anti-MDA5 autoantibodies, aiding in the diagnosis of rapidly progressing interstitial lung disease in myositis patients.
10:16
Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies
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Cited by 9 •
2016
We describe here a method to generate customizable antigen microarrays that can be used for the simultaneous detection of serum IgG and IgM autoantibodies from humans and mice. These arrays allow for high-throughput and quantitative detection of antibodies against any antigens or epitopes of interest.
12:23
Granulocyte-dependent Autoantibody-induced Skin Blistering
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2012
In the animal model described in our present work, purified IgG antibodies against a stretch of 200 amino acids (aa 757-967) of collagen VII are injected repeatedly into mice reproducing the blistering phenotype as well as the histo- and immunopathological features characteristic to human epidermolysis bullosa acquisita (EBA)1.
FAQs
Autoantibody Detection gains analytical meaning from the relationship between a patient’s serum and the selected self-target. Binding to a defined antigen points to reactivity against that molecular component, whereas a tissue substrate can show where antibodies bind within cells or tissues. The resulting labeled signal supports assessment of specificity and, when quantified, antibody concentration.
ELISA, indirect immunofluorescence, and immunoblotting offer different views of the same immune reactivity. ELISA can provide quantitative information about binding to a defined antigen, indirect immunofluorescence can display cellular staining patterns, and immunoblotting can contribute to antibody-specificity assessment. Selecting among them depends on whether concentration, localization, or target specificity is most informative.
The antigen or substrate is a central experimental variable. A defined self-antigen narrows the assay to a particular molecular target, while a tissue substrate retains cellular context and may reveal a staining pattern. This distinction matters because autoantibody detection can report not only whether binding occurs, but also which target or cellular pattern is associated with it.
Signal interpretation can combine qualitative and quantitative information. A fluorescent pattern may indicate the distribution of binding across a tissue or cell substrate, while an enzyme-linked or other labeled readout can be used to visualize or quantify the reaction. Considering both features helps investigators characterize antibody specificity and concentration rather than relying on a single observation.
A typical workflow begins by selecting a defined self-antigen or tissue substrate and exposing it to patient serum. After potential antibodies bind, a labeled detection reagent is used to make the reaction visible or measurable. The assay format then determines whether the principal output is enzyme-linked, fluorescent, or immunoblot-based evidence of reactivity.
In immunology research, results can support characterization of autoimmune syndromes and assessment of disease activity. Detection may also be used for diagnosis or monitoring, because quantified findings can provide information about antibody-related immune responses during an investigation. The result is therefore interpreted as part of a broader study of immune-mediated disease, not as an isolated measurement.
These assays help distinguish immune responses associated with infection from patterns linked to autoimmune syndromes. By testing serum against self-antigens or tissue substrates, investigators can determine whether an observed antibody response includes self-reactivity and then relate the finding to the immune context under study. This supports characterization of infection-associated immunity alongside autoimmune investigation.