نتایج جستجو برای: phage display
تعداد نتایج: 180984 فیلتر نتایج به سال:
We describe a phage display technique that allows the production and selective enrichment of phages that display an N-glycoprotein (glycophages). We applied glycophage display to select functional glycosylation sequons from a pool of randomized acceptor sequences. Our system provides a genetic platform to study and engineer different steps in the pathway of bacterial N-linked protein glycosylat...
Using peptides to achieve the functional and structural mimicry of small-molecules, especially those with biological activity or clear biotechnological applications, has great potential in overcoming difficulties associated with synthesis, or unfavorable physical properties. Combinatorial techniques like phage display can aid in the discovery of these peptides even if their mechanism of mimicry...
phage-displayed random peptide libraries (rpl) provide a powerful technique for identification, structural and functional analysis of ligands for many different target molecules, including, antibodies, receptors or other proteins. this strategy has been verified to be an effective tool for research in immunology and successfully has been used to determine the target sequence for monoclonal and ...
BACKGROUND Specific peptide ligands to cell surface receptors have been extensively used in tumor research and clinical applications. Phage display technology is a powerful tool for the isolation of cell-specific peptide ligands. To screen and identify novel markers for renal cell carcinoma, we evaluated a peptide that had been identified by phage display technology. METHODS A renal carcinoma...
A small model peptide, the FLAG epitope, was cloned into two filamentous phage display vectors, f88-4 and fd88-4, creating phages f88-FLAG and fd88-FLAG, respectively. Both vectors have a gene VIII display cassette (in addition to their normal phage gene VIII) and display the cloned peptide on a few percent of the virion's 3000-4000 pVIII (major coat protein) subunits. Vector f88-4 has a replic...
BACKGROUND Nanobodies (Nbs) are single-domain antigen-binding fragments derived from the camelids heavy-chain only antibodies (HCAbs). Their unique advantageous properties make Nbs highly attractive in various applications. The general approach to obtain Nbs is to isolate them from immune libraries by phage display technology. However, it is unfeasible when the antigens are toxic, lethal, trans...
In 1975, the hybridoma technology provided, for the first time, an access to murine monoclonal antibodies. During the two following decades, their high potential, as laboratory tools, was rapidly exploited, but in vivo applications were still very limited. Nowadays, antibodies, omnipresent in both diagnostic and research domains, are largely invading the domain of therapy. A wide array of novel...
Libraries of phage-displayed random peptides are routinely used to identify target-binding peptides. Phages are commonly eluted in a nonspecific manner, especially if there are no available ligands of the particular target to use as competitors. However, the present study clearly demonstrates that nonspecific elution is not always able to break peptide-target interactions. To circumvent this we...
The antibody V(H) domains of camelids tend to be soluble and to resist aggregation, in contrast to human V(H) domains. For immunotherapy, attempts have therefore been made to improve the properties of human V(H)s by camelization of a small set of framework residues. Here, we have identified through sequence comparison of well-folded llama V(H) domains an alternative set of residues (not typical...
Microbial surface and secreted proteins (the secretome) contain a large number of proteins that interact with other microbes, host and/or environment. These proteins are exported by the coordinated activities of the protein secretion machinery present in the cell. A group of bacteriophage, called filamentous phage, have the ability to hijack bacterial protein secretion machinery in order to amp...
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