نتایج جستجو برای: purified protein derivative
تعداد نتایج: 1328337 فیلتر نتایج به سال:
In a population from an area endemic for Chagas' disease in Ecuador, cellmediated immune activity was assessed using delayed type hypersensitivity (DTH) reaction to PPD. Expression of DTH was significantly suppressed in individuals seropositive to Trypanosoma cruzi, and the suppression was markedly greater in the age group 10-39 years old than those over 40 years. The results show that cell-med...
Bacille Calmette-Guérin (BCG) vaccination induces a marked increase in the interferon (IFN)-gamma response to Mycobacterium tuberculosis purified protein derivative (Mtb PPD) in UK adolescents, but not in Malawian adolescents. We hypothesized that Mtb PPD-induced IFN-gamma after BCG vaccination would be similar in infants from these 2 countries. Infants were vaccinated with BCG during the first...
We study the performance of TCP-based media transport when combined with packet path diversity (PPD) in the Internet. We present a simple PPD-TCP transmission scheme where the acknowledgments (ACKs) from the receiver are duplicated and sent across independent network paths. We also investigate a PPD-TCP scheme where in addition to path-diversified ACKs on the backward path, packet path diversit...
Giant reactions to the tuberculin skin test are extremely rare and have been previously reported almost exclusively in patients with lepromatous leprosy. We herein report a giant tuberculin reaction associated with the homeopathic drug Tuberculinum in a patient with no evidence of active tuberculosis or leprosy.
Prostate-specific antigen (PSA) was purified to homogeneity from human seminal plasma by ion-exchange chromatography on a CM-Sephadex C-50 and by gel filtration on a Sephacryl S-200 column. A single 33-kDa protein band appeared in SDS-PAGE. High pressure liquid chromatography (HPLC) of the purified protein produced a single peak, while isoelectric focusing demonstrated the presence of five diff...
In this study the mitogenic and immunomodulating effects of bacterial cell wall preparations were investigated. Cell walls, peptidoglycans, and teichoic acids from Bacillus subtilis and Staphylococcus aureus Wood 45 activated both human T cells (supplemented with 10% monocytes) and B cells to proliferate and to produce leukocyte-inhibitory factor. Similar results were obtained with adult and um...
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