Insulin Immunohistochemistry
Insulin Immunohistochemistry - Related Videos
05:52
Insulin Injection and Hemolymph Extraction to Measure Insulin Sensitivity in Adult Drosophila melanogaster
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Cited by 16 •
2011
Conserved insulin signaling pathways found in the fruit fly Drosophila melanogaster make this organism a potential tool for modeling metabolic disorders including type II diabetes. To this end, it is critical to establish physiological assays to effectively measure systemic insulin action in peripheral glucose disposal in the adult fly.
08:29
Drosophila Pupal Abdomen Immunohistochemistry
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Cited by 20 •
2011
Antibody staining of the Drosophila pupae can enhance genetic analyses of adult abdominal developmental genetics. We present our protocol for dissection, fixation and antibody staining of staged Drosophila pupal abdomen.
12:08
Improving IV Insulin Administration in a Community Hospital
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Cited by 7 •
2012
When compared to the previous paper protocol, implementation of a computerized glucose management system results in a substantial increase in blood glucose concentration measurements within the target range. Using a computerized glucose management system to monitor blood glucose levels, decreases in severe hypoglycemia (<40 mg/dL), clinical hypoglycemia (<70 mg/dL), and hyperglycemia (>180 mg/dL) also can be observed.
10:10
Drosophila Larval NMJ Immunohistochemistry
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Cited by 26 •
2009
This protocol demonstrates how to perform immunohistochemistry on dissected Drosophila larva.
05:51
Coculture Analysis of Extracellular Protein Interactions Affecting Insulin Secretion by Pancreatic Beta Cells
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Cited by 3 •
2013
Transcellular protein interactions are important determinants of pancreatic beta-cell function. Detailed here is a method—adapted from a coculture model of synaptogenesis—for investigating how specific transmembrane proteins influence insulin secretion. Transfected HEK293 cells express proteins of interest; beta cells do not need to be transfected or otherwise directly perturbed.
FAQs
Specificity comes from antibodies binding insulin within the preserved tissue. This selective interaction distinguishes insulin-containing regions from surrounding structures, allowing the resulting signal to mark insulin-producing cells rather than the entire specimen. The quality of localization therefore depends on how clearly antibody binding corresponds to insulin distribution in the biological sample.
After an antibody binds insulin, a labeled secondary antibody or another detection system converts that binding event into a visible colored or fluorescent signal. This step makes the target detectable by microscopy and allows researchers to identify where insulin is present. Without this signal-generating stage, antibody binding would not be readily visualized in the tissue.
The tissue location of insulin signal provides information that a measurement without spatial context would not show. Researchers can examine insulin-producing cell distribution, β-cell abundance, and changes in islet architecture within the preserved specimen. These patterns help connect cellular changes with pancreatic development, diabetes, metabolic disease, or immune-mediated tissue injury.
Both approaches make antibody binding visible, but they produce different types of microscopy signals. A colored detection system is examined with light microscopy, whereas a fluorescent signal is examined with fluorescence microscopy. The choice changes how the stained structures are visualized, while the underlying purpose remains localization of insulin within the tissue.
A general workflow begins with a preserved biological specimen, followed by antibody binding to insulin and application of a labeled secondary antibody or detection system. The processed tissue is then examined by light or fluorescence microscopy, depending on the signal produced. Researchers interpret the resulting pattern by assessing insulin localization, β-cell abundance, and islet organization.
This method can support investigations of pancreatic development, diabetes, and metabolic disease by showing where insulin-producing cells are located and how their abundance or organization changes. Because the analysis preserves tissue context, researchers can relate cellular distribution to alterations in islet architecture rather than considering insulin-producing cells as isolated measurements.
In immunology research, staining patterns can help assess whether inflammatory responses are associated with changes in insulin-producing tissue. Altered β-cell abundance, insulin distribution, or islet architecture may provide tissue-level evidence of injury. The method therefore connects immune-related damage with structural changes in the pancreatic regions responsible for insulin production.
Infection-related studies can use insulin localization and tissue architecture as indicators of how infectious processes affect insulin-producing tissue and endocrine organization. Examining stained specimens may reveal changes occurring alongside inflammatory responses or infection. This provides a histological perspective on disease effects, complementing broader investigations of immune activity and pancreatic function.