نتایج جستجو برای: tetanus toxin
تعداد نتایج: 58433 فیلتر نتایج به سال:
1. The sera of twenty-six individuals who carried tetanus bacilli in their digestive tracts all contained appreciable amounts of antitoxin. 2. The sera of thirty individuals in whose stools no tetanus-like organisms were found were, with two exceptions, free from tetanus antitoxin. 3. Although we have been unable to measure accurately the antitoxin content of these human carriers of tetanus bac...
Curtailing the observation of mice challenged with tetanus toxin in potency test of tetanus vaccine would reduce the agony of mice from spastic paralysis. From the viewpoint of animal welfare, we investigated the feasibility this measure. The potencies of 85 lots of vaccine obtained on the 4th day after challenge were compared with those obtained on the seventh day. No significant difference wa...
Recombinant cholera toxin B subunit (rCTB) which is produced by Bacillus brevis carrying pNU212-CTB acts as a mucosal adjuvant capable of enhancing host immune responses specific to unrelated, mucosally co-administered vaccine antigens. When mice were administered intranasally with diphtheria-pertussis-tetanus (DPT) combination vaccine consisting of diphtheria toxoid (DTd), tetanus toxoid (TTd)...
Fragment C (TetC) is a non-toxic 47 kDa polypeptide fragment of tetanus toxin that can be used as a subunit vaccine against tetanus. Expression of TetC in Escherichia coli and yeast was dependent on the availability of synthetic genes that were required to improve translation efficiency and stabilize the mRNA. To explore the feasibility of producing TetC in tobacco leaves, we attempted expressi...
Clostridial neurotoxins are zinc endopeptidases that block neurotransmission and have been shown to cleave, in vitro, specific proteins involved in synaptic vesicle docking and/or fusion. We have used immunohistochemistry and immunoblotting to demonstrate alterations in toxin substrates in intact neurons under conditions of toxin-induced blockade of neurotransmitter release. Vesicle-associated ...
Tetanus toxoid isa routinepositivecontrol antigen for cellularassays.Previousstudies identifiedmultiple tetanus toxin (TT) epitopes, including some ‘universal’ epitopes. However, rigorous HLA-restricted study of tetanus toxoid responses is still lacking. In this study, the tetramer-guided epitope mapping approach was used to identify CD41 T-cell epitopes within the TT heavy chain restricted by ...
Tetanus toxoid is a routine positive control antigen for cellular assays. Previous studies identified multiple tetanus toxin (TT) epitopes, including some 'universal' epitopes. However, rigorous HLA-restricted study of tetanus toxoid responses is still lacking. In this study, the tetramer-guided epitope mapping approach was used to identify CD4+ T-cell epitopes within the TT heavy chain restric...
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