Amyloid Beta Secreting Cells
Amyloid Beta Secreting Cells - Related Videos
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.
09:31
Assessing Replication and Beta Cell Function in Adenovirally-transduced Isolated Rodent Islets
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Cited by 16 •
2012
This protocol allows one to identify factors that modulate functional beta cell mass to find potential therapeutic targets for the treatment of diabetes. The protocol consists of a streamlined method to assess islet replication and beta cell function in isolated rat islets following manipulation of gene expression with adenoviruses.
12:12
Methods to Assess Beta Cell Death Mediated by Cytotoxic T Lymphocytes
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Cited by 14 •
2011
Cell-mediated lymphocytotoxicity (CML) assays can be used to test autoreactive responses and study mechanisms of cell death in vitro. However, using live-cell confocal microscopic imaging techniques with fluorescent dyes, the type and kinetics of cell death as well as the pathways utilized can be studied in greater detail.
09:50
In situ Quantification of Pancreatic Beta-cell Mass in Mice
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Cited by 6 •
2010
The following protocol outlines the process of pancreatic dissection for virtual slice imaging, and the subsequent quantification of all GFP-tagged beta-cells in the entire pancreas.
01:16
Cells and Secretions of the Pancreas
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2024
The pancreas, a vital organ within the abdominal cavity, plays dual roles in the digestive and endocrine systems, collaborating with exocrine and endocrine cells to maintain optimal digestion and blood sugar levels. Exocrine function is carried out by acinar cells, organized into clusters known as acini. These cells contribute to digestion by releasing substantial quantities of enzyme-rich, alkaline digestive juices. Concurrently, the dispersed clusters of endocrine cells throughout the...
FAQs
Amyloid beta production follows a defined two-stage processing sequence: beta-secretase acts first on amyloid precursor protein, followed by gamma-secretase. This order is central to experiments that examine how Aβ generation occurs before the peptides enter the extracellular environment. The cells therefore provide a focused system for relating precursor processing to subsequent peptide accumulation.
After secretion, Aβ peptides can accumulate outside the cell and, under some conditions, form aggregates. This makes the extracellular environment an important part of the experimental interpretation rather than treating production as an isolated intracellular event. Investigators can consequently examine peptide accumulation alongside the conditions associated with aggregate formation and potential cellular effects.
They allow investigators to connect Aβ production and extracellular accumulation with cellular toxicity, while also examining interactions with surrounding neural cells. This relationship is important because harmful effects may depend not only on how much peptide is produced, but also on what happens after release. The model supports analysis of these linked stages in neuroscience research.
These cells provide an experimental setting for examining disease mechanisms associated with amyloid production, peptide accumulation, and toxicity. Researchers can use observations from the system to investigate how Aβ-related changes may affect neuronal function and neighboring neural cells. The model therefore connects molecular peptide processing with broader questions in Alzheimer’s disease biology.
Treatment studies can assess approaches designed to reduce Aβ generation or limit its harmful effects. Relevant outcomes include changes in amyloid production, extracellular peptide accumulation, cellular toxicity, and interactions with surrounding neural cells. Examining several outcomes together helps distinguish an intervention that lowers peptide generation from one that primarily reduces downstream consequences.
Their value extends to studying neuronal function, biomarker development, and relationships between amyloid biology and surrounding neural cells. Because the system links peptide generation with accumulation and toxicity, it can support investigations that move from a molecular event toward cellular and disease-related outcomes. This broader scope makes it relevant to experimental neuroscience and Alzheimer’s research.