Urothelial Mediator Release
Urothelial Mediator Release - Related Videos
09:17
In Vivo Luminal Measurement of Distension-Evoked Urothelial ATP Release in Rodents
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Cited by 1 •
2022
This protocol describes the procedure for measuring ATP concentrations in the lumen of the bladder in an anesthetized rodent.
09:16
Ex Vivo Organoid Model of Adenovirus-Cre Mediated Gene Deletions in Mouse Urothelial Cells
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Cited by 2 •
2022
This protocol describes the process of the generation and characterization of mouse urothelial organoids harboring deletions in genes of interest. The methods include harvesting mouse urothelial cells, ex vivo transduction with adenovirus driving Cre expression with a CMV promoter, and in vitro as well as in vivo characterization.
10:22
Humanized Mediator Release Assay as a Read-Out for Allergen Potency
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Cited by 5 •
2021
Here we present the mediator release assay, using a rat basophilic leukemia cell line transfected with the human IgE receptor, to simulate the degranulation of effector cells typically observed in type 1 allergic reactions. This method investigates the biological activity of allergens in a highly sensitive, reproducible, and tailorable manner.
01:20
Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein
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2024
Antiepileptic drugs, such as levetiracetam (Keppra) and brivaracetam (Briviact), have emerged as crucial tools in managing epilepsy. These medications exert their therapeutic effects by targeting the synaptic vesicle protein SV2A, a transmembrane glycoprotein primarily found in the brain. SV2A is a transmembrane glycoprotein located predominantly in the brain, modulating the release of neurotransmitters for neuronal communication. Both levetiracetam and brivaracetam exhibit a high affinity for...
05:39
Humanized Mediator Enzyme Release Assay: An Immunochemical Method to Screen Allergic Potential of Test Antigen by Monitoring Basophil Degranulation Response In Vitro
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2025
In this video, we describe an in vitro method to evaluate the allergic potential of an antigen to induce basophil degranulation. β-hexosaminidase is used as an index of chemical mediator release, and the enzyme activity of β-hexosaminidase is measured using a fluorogenic substrate.
FAQs
ATP is one of the mediators released when the urothelium is mechanically stretched or otherwise irritated. It can act on nearby sensory nerves and smooth muscle, linking changes at the urinary tract lining with altered sensation and contraction. This makes ATP release relevant to research on bladder function, urinary discomfort, and disorders involving abnormal sensory or contractile responses.
The urothelium can respond to several types of challenge, including physical stretching, chemical irritation, and inflammation. These conditions may initiate signaling through different circumstances while producing overlapping effects on local nerves, smooth muscle, and immune cells. Comparing responses to these stimuli helps investigators examine how urinary tract irritation is connected to sensation, contraction, and local defense.
Urothelial mediators influence several neighboring cell types rather than acting through a single pathway. ATP, nitric oxide, acetylcholine, and cytokines can signal to sensory nerves, smooth muscle, or immune cells. Their combined effects help regulate urinary sensation, muscle contraction, and local defense, showing how the urothelial lining participates in neural, muscular, and immune coordination.
Studying mediator release can clarify how the urinary tract lining communicates with surrounding tissues during stretch, irritation, or inflammation. Researchers can use this relationship to examine links among urothelial activity, sensory signaling, smooth-muscle behavior, and immune responses. The resulting information helps explain how barrier-associated signaling may contribute to normal regulation or urinary tract dysfunction.
This process is relevant to research on overactive bladder, interstitial cystitis, urinary tract inflammation, and urinary pain. In these settings, investigators can consider how signaling from the urothelial lining may relate to abnormal sensation, contraction, or local inflammatory activity. The topic therefore connects cellular communication at the urinary tract surface with clinically important symptoms and disease processes.
Patterns of mediator signaling may provide information about communication between the urothelial lining, sensory nerves, smooth muscle, and immune cells. Because this network is associated with sensation, contraction, and local defense, its components can be investigated as potential diagnostic or therapeutic targets. Such research may help relate molecular signaling to bladder symptoms and urinary tract inflammation.