Notch Ligand Stimulation
Notch Ligand Stimulation - Related Videos
08:01
Stimulation of Notch Signaling in Mouse Osteoclast Precursors
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Cited by 13 •
2017
Notch signaling is a form of cellular communication that relies upon direct contact between cells. To properly induce Notch signaling in vitro, Notch ligands must be presented to cells in an immobilized state. This protocol describes methods for in vitro stimulation of Notch signaling in mouse osteoclast precursors.
05:48
Cell Aggregation Assays to Evaluate the Binding of the Drosophila Notch with Trans-Ligands and its Inhibition by Cis-Ligands
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Cited by 3 •
2018
Complexity of in vivo systems makes it difficult to distinguish between the activation and inhibition of Notch receptor by trans- and cis-ligands, respectively. Here, we present a protocol based on in vitro cell-aggregation assays for qualitative and semi-quantitative evaluation of the binding of Drosophila Notch to trans-ligands vs cis-ligands.
02:40
Ligand Binding Sites
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2020
Proteins are dynamic macromolecules that carry out a wide variety of essential processes; however, the activities of most proteins depend on their interactions with other molecules or ions, known as ligands. Protein-ligand interactions are quite specific; even though numerous potential ligands surround a cellular protein at any given time, only a particular ligand can bind to that protein. Moreover, a ligand binds only to a dedicated area on the surface of the protein, known as the...
02:51
Metal-Ligand Bonds
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2020
The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes. In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
04:57
An Antibody Uptake Assay for Imaging Notch/DeltaD Signaling in Zebrafish Radial Glia Progenitors
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2025
This video demonstrates an antibody uptake assay to image Notch/DeltaD signaling in zebrafish radial glia progenitors. It involves mounting agarose-embedded dechorionated zebrafish embryos, injecting a dye solution targeting DeltaD ligands on RGPs, and imaging under a fluorescence microscope for asymmetric cell division confirming Notch/DeltaD signaling activation.
FAQs
Engagement initiates sequential proteolytic cleavage of the Notch receptor. This processing releases the Notch intracellular domain, which moves into the nucleus and regulates gene transcription with partner proteins. The important outcome is conversion of a cell-contact event into changes in gene expression, allowing neighboring-cell interactions to influence later cell fate and cellular function.
Membrane-bound ligands restrict signaling to neighboring cells that make physical contact with the receptor-bearing cell. This spatial requirement distinguishes the pathway from signals that can act at a distance. In immune tissues, ligand presentation can therefore make the location and cellular partner of an interaction important determinants of the resulting response.
Delta-like and Jagged ligands represent distinct ligand presentations that can be examined when investigating Notch pathway activity. Comparing them helps researchers determine how the ligand context relates to changes in immune-cell behavior, including differentiation or response programs. This comparison is especially relevant when studying how different cellular environments shape host defense and inflammation.
Within immunology, Notch ligand stimulation is relevant to T-cell differentiation and to responses involving macrophages and dendritic cells. Its effects can alter how these immune populations develop or function after cell contact. Examining these contexts helps connect receptor signaling with broader immune organization rather than treating Notch activity as an isolated molecular event.
In infection studies, the pathway provides a framework for examining interactions between immune cells and infected tissues. Researchers can ask how ligand presentation affects host defense, inflammatory responses, or pathogen-associated disease. This perspective links local cellular contacts with tissue-level outcomes and may help explain why immune responses differ across infected environments.
Investigating Delta-like and Jagged ligand presentation can reveal how Notch signaling contributes to host defense, inflammation, and pathogen-associated disease. The approach focuses attention on which neighboring-cell interactions may shape immune outcomes. Findings can also identify points in the pathway that warrant further study as potential therapeutic targets, without assuming that every ligand context has the same effect.