Islet Autoantibodies
Islet Autoantibodies - 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.
09:15
Electrochemiluminescence Assays for Human Islet Autoantibodies
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Cited by 8 •
2018
Here, we presented the methods to detect human islet autoantibodies using electrochemiluminescence (ECL) assays. The protocol, used to predict type 1 diabetes, can be expanded upon to detect autoantibodies for other autoimmune diseases.
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.
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.
07:21
Pancreatic Islets Isolation through Collagenase Perfusion: An Enzymatic Method to Isolate Pancreatic Islet Cells
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2023
Pancreatic islets, also called the Islets of Langerhans, are a cluster of endocrine cells which produces hormones for glucose regulation and other important biological functions. This protocol explains a method for isolating pancreatic islets by first perfusing collagenase via Ampulla of Vater to digest the exocrine pancreatic tissue and a simplified density gradient centrifugation to purify the islets from mice.
FAQs
A breakdown in immune tolerance allows the immune system to recognize components of pancreatic islets as targets rather than maintaining normal nonreactivity. This response can generate antibodies against molecules associated with insulin-producing beta cells, including insulin, glutamic acid decarboxylase, IA-2, and ZnT8. The resulting antibody pattern provides evidence that beta-cell autoimmunity has developed.
Islet autoantibodies function primarily as markers of an immune response against islet components. Their detection does not establish that the antibodies themselves directly destroy beta cells. Instead, their presence reflects a broader autoimmune process involving loss of tolerance, making them useful for identifying and studying beta-cell autoimmunity even when the precise destructive mechanism is not defined by the antibody result alone.
Reactivity can be directed toward several distinct islet-associated molecules, including insulin, glutamic acid decarboxylase, IA-2, and ZnT8. Examining these targets helps characterize which beta-cell components the immune system recognizes. This target-specific information adds biological detail to the assessment of autoimmunity and supports research into how beta-cell-directed immune responses develop and progress.
Testing for Islet Autoantibodies supports the evaluation of whether diabetes has an autoimmune basis. Results can help clinicians and researchers distinguish and classify type 1 diabetes in the context of other clinical information. Because the antibodies reflect beta-cell autoimmunity rather than simply elevated glucose, they provide immunological evidence that complements disease assessment and classification.
Yes. Their presence can identify individuals at elevated risk for autoimmune diabetes before clinical symptoms develop. This makes antibody testing valuable not only after diabetes is recognized, but also during earlier stages of disease development. Detecting this immune signal can support monitoring and research focused on the progression from emerging beta-cell autoimmunity to symptomatic disease.
Islet autoantibody testing offers insight into the development and progression of beta-cell autoimmunity. A result can show that immune recognition of islet components is present, helping place an individual within the broader course of autoimmune diabetes. In research and clinical assessment, this information supports studies of disease emergence, risk before symptoms, and type 1 diabetes classification.