نتایج جستجو برای: a1 antibody
تعداد نتایج: 188797 فیلتر نتایج به سال:
Antibodies with T cell receptor-like specificity possess a considerable diagnostic and therapeutic potential, but the structural basis of the interaction between an antibody and an histocompatibility antigen has so far not been determined. We present here the crystal structure (at 2.15 A resolution) of the recombinant, affinity-matured human antibody fragment Fab-Hyb3 bound to the tumor-associa...
BACKGROUND AND AIMS Celiac disease is a permanent intolerance to gluten prolamins from wheat, barley, rye and, in some patients, oats. Partially digested gluten peptides produced in the digestive tract cause inflammation of the small intestine. High throughput, immune-based assays using monoclonal antibodies specific for these immunotoxic peptides would facilitate their detection in food and en...
Antiphospholipid syndrome (APS) is an autoimmune disorder with increased risk for thrombosis and pregnancy losses. β2-glycoprotein I (β2GPI) is the major antigen for clinically relevant antibodies in APS. We engineered a molecule, A1-A1, which interferes with 2 prothrombotic mechanisms in APS: the binding of β2GPI to negatively charged cellular surfaces and ApoE receptor 2. We studied how A1-A1...
The IgG2a monoclonal antibody TH-1, which reacts specifically with blood group A1 but with neither A2 nor O erythrocytes, has been established. The antibody reacted only with A1 erythrocytes in hemagglutination and antibody absorption assays; it did not react with A2 erythrocytes, even after trypsin or sialidase treatment. This antibody detected, on TLC immunostaining, a series of glycolipids f...
In this two-site immunochemiluminometric assay for human a1-fetoprotein, acndinium ester-labeled monoclonal antibodies are used that have an average incorporation ratio of 0.3 mol of acridinium ester per mole of antibody. The solid-phase antibody consists of sheep anti-a1-fetoprotein IgG covalently coupled to a diazonium derivative of reprecipitated aminoaryl cellulose. The assay involves a 1-h...
Dear Editor, Anti-H antibody is a type of anti-red blood cell (RBC) antibody that agglutinates with H antigen, which is universally present on human RBCs. The most widely known problem related to the anti-H antibody is the potentially lethal hemolytic transfusion reaction seen in individuals with the Bombay O blood type [1-3]. Other anti-H antibodies are mostly found in A1 or A1B blood type ind...
Most individuals carry two wild-type M alleles of the SERPINA1 gene which encodes a1-antitrypsin. 95% of severe deficiency of a1-antitrypsin is associated with the Z allele (Glu342Lys; denoted PiZZ in the homozygote), and with the retention and polymerisation of a1-antitrypsin within hepatocytes [1]. These polymers are contained within periodic acid–Schiff-positive, diastase-resistant inclusion...
Most individuals carry two wild-type M alleles of the SERPINA1 gene which encodes a1-antitrypsin. 95% of severe deficiency of a1-antitrypsin is associated with the Z allele (Glu342Lys; denoted PiZZ in the homozygote), and with the retention and polymerisation of a1-antitrypsin within hepatocytes [1]. These polymers are contained within periodic acid–Schiff-positive, diastase-resistant inclusion...
Previously (9), I found that immunization of rabbits with antibody directed against variable region heavy chain VH polypeptides of a1 allotype induced the production of antiidiotype (anti-Id) molecules that appeared to bear images of the original a1 allotype. I now show that these anti-Id molecules can be fractionated into two populations: one population (a2a3- anti-Id) that lacks the nominal V...
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