In the specialized field of biochemical research, the cyclo rgdfk peptide—often referred to as c(RGDfK)—has emerged as a foundational tool for scientists investigating cellular adhesion and receptor-ligand interactions. My personal experience working with these high-purity synthetic compounds in laboratory settings has underscored their reliability and precision as molecular probes.
Technical Spe An Efficient Synthesis of Integrin Antagonists cyclo(-RGDfK cifications and Chemical Profile
The molecule, systematically known as *cyclo(Arg-Gly-Asp-D-Phe-Lys)*, is a cyclic pentapeptide with a molecular weight of 603.7 g/mol and a chemical formula of C27H41N9O7. Researchers often select this specific sequence because cRGDfK was chosen as a targeting ligand due to the high stability of such cyclic peptides.
When evaluating these compounds for experimental use, purity is paramount. High-quality samples typically exhibit >98% HPLC purity. From a technical standpoint, Cyclo(-RGDfK) is a cyclic peptide that demonstrates remarkable consistency in 3D cell culture environments. It is frequently utilized because it effectively targets tumor microvessels and cancer cells by binding with high affinity to specific cell surface receptors, particularly the αvβ3 integrin.
Mechanisms and Research Applications
The efficacy of the Cyclo (-RGDfK) molecule lies in its structural design. It acts as a potent and selective inhibitor of the αvβ cyclo(Arg-Gly-Asp-D-Phe-Lys); (M.W. 603.67) C27H41N9O7; Tumor-Targeting Cyclic RGDPeptide. Package, Price(Yen), Availability. Bulk 10 mg, 56,000 Read more 3 integrin. In my observations, Cyclo(RGDfK) is a synthetic lipopeptide inhibitor of αvβ3 integrin that provides significant advantages over linear counterparts, primarily due to its increased resistance to enzymatic degradation.
Key insights into its utility include:
* Cell Adhesion Studies: It is widely documented that Cyclo(-RGDfK) improves human pluripotent stem cell (hPSC) adhesion and proliferation on 3D cell culture synthetic surfaces.
* Targeting Precision: Because Cyclo(-RGDfK) potently targets tumor microvasculature and cancer cells, it serves as a critical component in the design of targeted ligand molecules.
* Molecular Imaging: Researchers have explored cRGD peptides for non-in Cyclo(RGDfK) is a synthetic lipopeptide inhibitor of αvβ3 integrin(IC50 = 1.33 nM). Osteoblast cultures, which express αvβ5 and αvβ3 integrins, Read more vasive imaging, leveraging their high affinity to visualize integrin expression patterns in controlled environments.
Integration in Modern Laboratory Workflows
When implementing these peptides in research, it is essential to distinguish between active and control variants. For instance, cyclo (-RGDfK-), the RGD peptide, is often compared against negative controls like cyclo(-RADfK-) to verify the specificity of the binding interactions.
The Cyclic RGDFK peptide is recognized as a highly potent and selective inhibitor for the alphavβ3 integrin receptor, with IC50 values often reported in the low nanomolar range (e.g., 0.94 nM to 1.33 nM). Whether you are performing solid-phase synthesis us αvβ3整合素抑制剂、c(RGD)环肽：c(RGDfK)、c(RGD-DPhe-K) ing Kessler's procedure or utilizing pre-synthesized Cyclo (-RGDfK) from reputable suppliers, the stability of the cyclic structure ensures reproducible data in studies involving cell-cell and cell-matrix interactions.
Conclusion
The cyclo rgdfk peptide remains a cornerstone in modern biochemical research. It Cyclo (-RADfK-), RGD negative control s ability to serve as a high-affinity ligand has paved the way for advanced studies in cell adhesion an Peptides and Cancer Concerns: What You Should Know Before Starting d receptor dynamics. As with any specialized peptide, proper handling—typically storage at -20°C—and adherence to high-purity standards are vital for success Cyclo(-RGDfK) | CAS:161552-03-0 . By utilizing these cyclic RGD-containing peptides, researchers can continue to explore the intricate mechanisms of integrin-mediated processes with increased clarity and precision.