نتایج جستجو برای: ricin toxin b
تعداد نتایج: 943509 فیلتر نتایج به سال:
Ricin is one of the most poisonous natural toxins from plants and is classified as a Class B biological threat pathogen by the Centers for Disease Control and Prevention (CDC) of U.S.A. Ricin exposure can occur through oral or aerosol routes. Ricin poisoning has a rapid onset and a short incubation period. There is no effective treatment for ricin poisoning. In this study, an aerosolized ricin-...
Host gene products required for mediating the action of toxins are potential targets for reversing or controlling their pathogenic impact following exposure. To identify such targets libraries of insertional gene-trap mutations generated with a PiggyBac transposon in Blm-deficient embryonic stem cells were exposed to the plant toxin, ricin. Resistant clones were isolated and genetically charact...
To generate a new specific recognition module for the enrichment and detection of ricin, galactose-functionalized silanized magnetic iron-oxide nanoparticles (Gal-SiMNPs) were assembled by amino-silanized MNPs (amino-SiMNPs) and a galactose linker. Amino-SiMNPs were produced by a coprecipitation method, and were coated with double layers of silica and aminosilane by hydrolysis of tetraethoxysil...
Ribosome-inactivating proteins (RIPs) including ricin, Shiga toxin, and trichosanthin, are RNA N-glycosidases that depurinate a specific adenine residue (A-4324 in rat 28S ribosomal RNA, rRNA) in the conserved α-sarcin/ricin loop (α-SRL) of rRNA. RIPs are grouped into three types according to the number of subunits and the organization of the precursor sequences. RIPs are two-domain proteins, w...
everal years have passed since the potential for unconjugated monoclonal antibodies (mAbs) to selectively target malignant cells was first described. Although the concept behind serotherapy is theoretically simple, the overall clinical results in these studies have often been disappointing and numerous obstacles have emerged due to the difficulty in penetrating tumor masses, the limited inheren...
We have investigated two phenotypically distinct types of mutants of CHO-K1 cells that are resistant to Pseudomonas exotoxin A due to a defect in the delivery of active toxin to the target site in the cell, elongation factor 2. Both types contain normal levels of toxin-sensitive elongation factor-2. Hybridization studies have shown that these cells fall into two distinct complementation groups....
PURPOSE Ricin-mAb35 is an immunotoxin targeted against skeletal muscle. Previously, we have shown that injection of ricin-mAb35 into rabbit extraocular muscle results in long-term muscle loss, and we have proposed this as a potential treatment for strabismus. In this study, we assessed the effects of ricin-mAb35 injection on extraocular muscle force generation. METHODS Ricin-mAb35, 0.2 microg...
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