RGD peptide (GRGDNP) (TFA) acts as an inhibitor of integrin-ligand interactions and plays an important role in cell adhesion, migration, growth, and differentiation. RGD peptide (GRGDNP) (TFA) promote apoptosis through activation of conformation changes that enhance pro-caspase-3 activation and autoprocessing.
CAT No: R1656
RGD peptide (GRGDNP) TFA is a synthetic hexapeptide featuring the Arg-Gly-Asp (RGD) sequence, which is a well-characterized cell adhesion motif recognized by integrin receptors. As a peptide compound, GRGDNP is widely utilized in the study of cell-matrix interactions, tissue engineering, and biomaterials research. The inclusion of the TFA (trifluoroacetate) counterion aids in peptide solubility and stability, making it suitable for a range of in vitro biochemical and biophysical applications. Its molecular design enables precise interrogation of integrin-mediated signaling pathways, facilitating the investigation of cellular adhesion, migration, and differentiation processes. The GRGDNP sequence is particularly valuable for modulating and mimicking extracellular matrix (ECM) interactions, providing a versatile tool for researchers exploring cellular behavior in response to defined biochemical cues.
Cell adhesion studies: The RGD motif within this peptide is recognized by several integrin subtypes, including αvβ3 and α5β1, which are central to cell adhesion and signaling. Researchers employ GRGDNP in assays to investigate the mechanisms by which cells attach to ECM proteins, such as fibronectin and vitronectin. By presenting a controlled RGD motif, the peptide allows for the dissection of integrin-ligand specificity and downstream signaling events, supporting a deeper understanding of cell-matrix biology.
Biomaterials functionalization: In the context of biomaterials science, GRGDNP is frequently used to modify the surface properties of synthetic scaffolds, hydrogels, and other substrates. Incorporating this peptide onto material surfaces enhances cell attachment and spreading by providing bioactive sites that mimic natural ECM cues. This functionalization strategy is essential for the development of advanced tissue engineering constructs, where controlled cell-material interactions are critical for promoting tissue integration and regeneration.
Cell migration and wound healing assays: The peptide serves as a valuable tool in in vitro migration assays, such as the scratch assay or transwell migration models. By coating surfaces with GRGDNP, researchers can selectively promote or inhibit integrin-mediated cell movement, enabling the study of migration dynamics under defined biochemical conditions. Such applications are instrumental in elucidating the role of integrins in wound healing, tissue remodeling, and cancer cell invasion.
Signal transduction research: GRGDNP is used to probe integrin-mediated intracellular signaling cascades that regulate cell survival, proliferation, and differentiation. By engaging specific integrin receptors, the peptide triggers downstream pathways such as focal adhesion kinase (FAK) activation, cytoskeletal reorganization, and gene expression changes. These studies contribute to the broader understanding of how cells sense and respond to their microenvironment, with implications for developmental biology and disease modeling.
High-throughput screening: The defined sequence and solubility of GRGDNP make it suitable for use in high-throughput platforms aimed at screening cell adhesion inhibitors or modulators of integrin function. By providing a consistent and reproducible ligand for integrin engagement, the peptide facilitates the identification of small molecules, antibodies, or other agents that influence cell-ECM interactions. Such screening efforts are crucial for advancing the discovery of novel research tools and potential therapeutic leads targeting integrin signaling pathways.
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