نتایج جستجو برای: RGD peptide
تعداد نتایج: 160707 فیلتر نتایج به سال:
objective: in this study we introduced an rgd-containing peptide of collagen iv origin that possesses potent cell adhesion and proliferation properties. this peptide was immobilized on a nanofibrous polycaprolactone/gelatin scaffold after which we analyzed human bone marrow-derived mesenchymal stem cells (hbmscs) adhesion and proliferation on this peptide-modified scaffold. methods: nanofibrous...
Background: Eptifibatide (Integrilin®) is a hepta-peptide drug which specifically prevents the aggregation of activated platelets. The peptide drugs are encapsulated into nanolipisomes in order to decreasing their side effects and improving their half-life and bioavailability. Objectives: In this study, the in vitro cytotoxicity and hemocompatibi...
Objective(s): Up to now, many researches have been performed to improve the antitumoral effect of melanoma differentiation-associated gene-7 (mda-7) protein. The purpose of our research was to construct 3 expression vectors producing mda-7 in fusion with RGD (Arginine-Glycine-Aspartic acid) peptide and evaluate their expression. Materials and Methods: mda-7 gene with two different RGD sequ...
Gold nanoparticles (GNP) and RGD peptide modified indium tin oxide (ITO) electrode was fabricated to enhance the electrochemical signals from neural stem cells (HB1.F3). Aminopropyltrimethoxylane (APTMS) was selfassembled on ITO electrode surface to immobilze GNP and its topological characteristics were confirmed by scanning electron microscopy (SEM). Thereafter, cysteine containing RGD peptide...
Many integrins recognize short RGD-containing amino acid sequences and such peptide sequences can be identified from phage libraries by panning with an integrin. Here, in a reverse strategy, we have used such libraries to isolate minimal receptor sequences that bind to fibronectin and RGD-containing fibronectin fragments in affinity panning. A predominant cyclic motif, *CWDDG/LWLC*, was obtaine...
Combination of RGD cell adhesion peptide with GHK modulator synergistically improves targeting tumor cells. Amphiphilic peptides can be effectively displayed on liposomal surface for screening and drug delivery applications.
Recently, there have been tremendous efforts to develop the biofunctional scaffolds by incorporating various biochemical factors. In the present study, we fabricated poly(lactic-co-glycolic acid) (PLGA) nanofiber sheets decorated with graphene oxide (GO) and RGD peptide. The decoration of GO and RGD peptide was readily achieved by using RGD peptide-displaying M13 bacteriophage (RGD-M13 phage) a...
The Arg-Gly-Asp (RGD) sequence was selected by using phage-display peptides to target tumors, focusing on targeting ·(v) integrins in tumor blood vessels. Recent studies suggest that peptides containing the RGD sequence can bind to tumor cells, as well as tumor endothelial cells. To investigate whether the RGD peptide has other effects on tumor cells expressing ·(v) integrins, besides its tumor...
The asp1 integrin binds fibronectin through the integrin recognition sequence Arg-Gly-Asp (RGD). We have used a 6-amino acid peptide library expressed on filamentous phage to identify peptide ligands for asp1. We found that this integrin selectively binds RGD-containing peptides from the library. Of the 32 different sequences obtained, 28 had the RGD motif, 3 contained sequences related to RGD,...
In vivo imaging of avb3 expression has important diagnostic and therapeutic applications. Multimeric cyclic RGD peptides are capable of improving the integrin avb3–binding affinity due to the polyvalency effect. Here we report an example of 18F-labeled tetrameric RGD peptide for PET of avb3 expression in both xenograft and spontaneous tumor models. Methods: The tetrameric RGD peptide EfE[c(RGDy...
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