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Antigen Protein Articles & Analysis
25 articles found
These studies aim to identify whether antibodies or T cells generated against a particular antigen react with similar proteins found in different tissues, which can lead to unintended effects and complications. ...
Since its first FDA-approved application in 1990 with Adagen® (pegademase bovine), PEGylation has been widely adopted in biopharmaceuticals, including proteins, peptides, antibodies, and nanoparticles. This article explores the mechanisms, benefits, challenges, and future prospects of PEGylation in drug development. ...
In recent years, the field of antibody drug design has become increasingly significant in the realm of therapeutic development, driven by the need for more effective and targeted treatments for various diseases, including cancer, autoimmune disorders, and infectious diseases. Antibodies, which are proteins produced by the immune system, have the ability to specifically recognize ...
Recombinant protein vaccines are vaccines produced using genetic engineering technology. The principle is to clone one or several antigen genes of a pathogen into host cells, causing them to express the corresponding antigen protein. ...
Recombinant protein vaccines are vaccines prepared by expressing and purifying the antigen proteins of pathogens in engineered cells (such as bacteria, yeast, mammalian cells, and insect cells) using genetic engineering technology. Compared with other types of vaccines, recombinant protein vaccines are more costly but have ...
This enzyme ensures the accurate synthesis of mRNA strands that encode the desired antigen, typically a viral protein. The precision of RNA polymerase is critical, as any errors in the mRNA sequence could lead to ineffective or unsafe vaccines. ...
Ovalbumin, also known as albumin or OVA, is the most abundant protein found in egg white, accounting for approximately 54% of its total protein content. ...
This article mainly introduces how to detect the ubiquitination level of a protein.ImmunoblottingImmunoblotting is a common method for detecting the level of protein ubiquitination, mainly through the detection of ubiquitinated proteins in protein samples using specific antibodies. ...
From protein immunoblotting to immunofluorescence, and then to FRET, antibodies are often an important determinant of successful and repeatable experiments. ...
Recombinant protein vaccine is a type of vaccine that does not contain complete pathogens and is prepared from specific protein antigens produced by heterologous expression systems. ...
First, affinity enrichment of antibodies is achieved by capturing reagents (such as protein A, recombinant antigen, anti-ID antibody, etc.). After enzymatic hydrolysis, the specific peptide is determined by LC-MS/MS for quantitative analysis. ...
Adjuvants are substances that are added to vaccines to enhance the body's immune response to the antigen (the protein that triggers an immune response). Adjuvants work by stimulating the innate immune system, which can lead to a stronger and longer-lasting immune response. In the case of mRNA vaccines, adjuvants can help boost the immune response to the ...
The process of developing monoclonal antibodies begins with the identification of a suitable target antigen. This can be a protein or patch that is overexpressed on the face of cancer cells, for illustration, making it an ideal target for antibody remedy. Once the target antigen is linked, researchers can begin the process of creating monoclonal ...
In addition, Nbs can resist the denaturing effects of proteases, extreme pH, and hydrophobic agents.Concatenated into multi-specific or multivalent configurations: Compared with mAbs, Nbs are smaller in size, which is conducive to tandem with a variety of antibody domains with different functions for the delivery of multi-functional drugs, enhancing affinity while avoiding rapid renal clearance ...
On the other hand, adjuvants can alter the physical properties of antigens, leading to slower release of antigens in the body and prolonging the interaction between antigens and immune cells. ...
In these computer-based methods, the primary amino acid sequence or 3D structure of antigen proteins from the target pathogen is used as input to analyze the existence of sequences (epitopes) capable of binding to major histocompatibility complex (MHC). In humans, MHC is referred to as human leukocyte antigen (HLA).Assessing Epitope ...
Furthermore, the KineTAC platform only requires the design of the antigen-binding arm for the target protein, as natural cytokines can recruit the relevant degradation receptors. To validate the KineTAC platform design concept, the authors developed KineTAC bispecific antibodies targeting different target proteins (PD-L1, HER2, PD-1, EGFR, ...
When B cells encounter foreign antigens, the BCR binds to the antigen and becomes activated. Subsequently, the activated BCR forms a complex with CD19. ...
Each color microsphere is covalently cross-linked with a probe, antigen or antibody targeting a specific assay. The different microspheres bind proteins (antibodies or antigens for immunoassays) against different substances to be detected. ...
Targets can be divided into tumor-specific antigens (TSA) and tumor-associated antigens (TAA) according to their expression. Antigens that are only expressed in tumor cells but not in normal cells are tumor-specific antigens and the most ideal targets; antigens that are lowly expressed in normal tissues but ...