Rgd Peptide Inhibition
Rgd Peptide Inhibition - Related Videos
07:48
Preparing a 68Ga-labeled Arginine Glycine Aspartate (RGD)-peptide for Angiogenesis
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Cited by 3 •
2019
The αvβ3 integrin is a type of adhesion protein that is highly expressed on activated endothelial cells undergoing angiogenesis. Thus, evaluating the integrity of the integrin is of great interest in oncology. Here, we introduce a method to prepare 68Ga-labeled radiopeptides and a method to assess its biological effectiveness.
09:30
The Synthesis of RGD-functionalized Hydrogels as a Tool for Therapeutic Applications
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Cited by 16 •
2016
We present a protocol for the synthesis of RGD-functionalized hydrogels as devices for cell and drug delivery. The procedure involves copper catalyzed alkyne-azide cycloaddition (CuAAC) between alkyne-modified polyacrylic acid (PAA) and a RGD-azide derivative. The hydrogels are formed using microwave-assisted polycondensation and their physicochemical properties are investigated.
02:29
Measuring Immune-Induced Inhibition of Seedling Growth
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2025
This video demonstrates the seedling growth inhibition assay in the Arabidopsis thaliana plant. The impact of increased concentration of immune peptide elicitor on seedling growth is determined.
12:27
Measuring Peptide Translocation into Large Unilamellar Vesicles
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Cited by 9 •
2012
This protocol details a method for the quantitative measure of peptide translocation into large unilamellar lipid vesicles. This method also provides information about the rate of membrane translocation and can be used to identify peptides that efficiently and spontaneously cross lipid bilayers.
04:00
Immunoaffinity Based Extraction of Ubiquitinylated Peptides: A Technique to Selectively Extract Ubiquitin Tagged Peptides from Purified Peptide Fractions
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2023
This video describes a method to extract and purify ubiquitinylated peptides containing remnant di-glycine peptides from a complex peptide mixture. The presented method may help in identifying original ubiquitination sites in the protein.
FAQs
When an RGD peptide occupies an integrin recognition site, it competes with extracellular matrix proteins that would otherwise engage that site. This reduces the integrin-mediated cellular responses associated with adhesion, migration, and signaling. The approach therefore links receptor-site occupancy to observable changes in cell behavior.
Fibronectin and vitronectin serve as relevant extracellular-matrix comparators because RGD peptides compete with these proteins for integrin binding. If peptide occupancy reduces their access to recognition sites, researchers can relate the resulting changes to disrupted matrix-integrin interaction rather than treating the peptide as an unrelated signal. This comparison clarifies how integrins regulate cellular responses.
Adhesion reveals whether cells maintain attachment to matrix-related ligands, migration indicates whether movement is altered, and signaling captures changes in integrin-linked cellular communication. Considering all three provides a broader readout than measuring attachment alone. It helps distinguish a localized effect on cell contact from a wider change in integrin-mediated behavior.
A medicine study can use an RGD peptide to interfere with integrin recognition and then examine changes in adhesion, migration, or signaling. Comparing cellular behavior under integrin interference with the relevant matrix interaction helps investigators assess the contribution of integrins to a process. This makes the strategy useful for mechanistic research, even when the goal is understanding function rather than treatment.
RGD peptide inhibition supports investigation of tumor angiogenesis, thrombosis, inflammation, and abnormal tissue remodeling. These applications use the strategy to examine how altered integrin interactions relate to disease-associated cellular behavior and to guide therapeutic development. The same mechanistic approach can therefore connect basic studies of integrin function with several medically important processes.
The interaction between RGD-containing peptides and integrins can guide targeted drug-delivery systems by exploiting integrin recognition as a design consideration. It also informs biomaterials intended to control cell attachment. In both settings, understanding how recognition-site occupancy changes cellular interactions helps researchers adjust whether cells attach to, respond to, or interact with a designed material.