نتایج جستجو برای: biopanning
تعداد نتایج: 251 فیلتر نتایج به سال:
There are a number of challenges associated with designing nanoparticles for medical applications. We define two challenges here: (i) conventional targeting against up-regulated cell surface antigens is limited by heterogeneity in expression, and (ii) previous studies suggest that the optimal size of nanoparticles designed for systemic delivery is approximately 50-150 nm, yet this size range co...
There is ongoing interest to develop high affinity, thermal stable recognition elements to replace conventional antibodies in biothreat detection assays. As part of this effort, single domain antibodies that target vaccinia virus were developed. Two llamas were immunized with killed viral particles followed by boosts with the recombinant membrane protein, L1, to stimulate the immune response fo...
Activated forms of Bacillus thuringiensis insecticidal toxins have consistently been found to form insoluble and inactive precipitates when they are expressed in Escherichia coli. Genetic engineering of these proteins to improve their effectiveness as biological pesticides would be greatly facilitated by the ability to express them in E. coli, since the molecular biology tools available for Bac...
Two hairpin-loop domains in cystatin family proteinase inhibitors form an interface surface region that slots into the active site cleft of papain-like cysteine proteinases, and determine binding affinity. The slot region surface architecture of the soybean cysteine proteinase inhibitor (soyacystatin N, scN) was engineered using techniques of in vitro molecular evolution to define residues that...
Embryogenic and non-embryogenic suspension cultures of orchardgrass (Dactylis glomerata L.) secreted into the culture medium a set of proteins, among which low molecular mass (11/12 kDa) proteins were found. However, only the 11/12 kDa proteins from the embryogenic suspension cultures reacted specifically with an antiserum raised against the carrot EP2 non-specific lipid transfer protein (nsLTP...
Affinity reagents, such as antibodies, are needed to study protein expression patterns, sub-cellular localization, and post-translational modifications in complex mixtures and tissues. Phage Emulsion, Secretion, and Capture (ESCape) is a novel micro-emulsion technology that utilizes water-in-oil (W/O) emulsions for the identification and isolation of cells secreting phage particles that display...
BACKGROUND The ability of cytosine deaminase (CD) to convert the antifungal agent 5-fluorocytosine (5-FC) into one of the most potent and largely used anticancer compound such as 5-fluorouracil (5-FU) raised considerable interest in this enzyme to model gene or antibody - directed enzyme-prodrug therapy (GDEPT/ADEPT) aiming to improve the therapeutic ratio (benefit versus toxic side-effects) of...
Autoantibody profiles reveal ubiquilin 1 as a humoral immune response target in lung adenocarcinoma.
There is considerable evidence that the presence of cancer can elicit a humoral immune response to specific proteins in the host, and these resulting autoantibodies may have potential as noninvasive biomarkers. To characterize the autoantibody repertoire present in the sera of patients with lung adenocarcinoma, we developed a high-density peptide microarray derived from biopanning a lung cancer...
BACKGROUND The natural response to injury is dynamic and normally consists of complex temporal and spatial cellular changes in gene expression, which, when acting in synchrony, result in patent tissue repair and, in some instances, regeneration. However, current therapeutic regiments are static and most rely on matrices, gels and engineered skin tissue. Accordingly, there is a need to design ne...
"Natural" polyreactive antibodies, which bind in a nonspecific manner to a range of biological molecules both of self- and nonself- origin, are normal constituents of serum and are a significant part of the immune repertoire in many species, including humans. Autoantibodies to sTNF-R (the 55-kDa extracellular domain of the human receptor to tumor necrosis factor alpha) were affinity purified fr...
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