نتایج جستجو برای: 9 antigen
تعداد نتایج: 669491 فیلتر نتایج به سال:
Resistance to immunotherapy is due in some instances the acquired stealth mechanisms of tumor cells that lose expression MHC class I antigen–presenting molecules or downregulate their antigen–presentation pathways. Most dramatically, biallelic ?2-microglobulin (B2M) loss leads complete and invisibility CD8 + T cells. antigen presentation are potently upregulated by interferon-? (IFN?) a manner ...
Antigenic analyses of Lactobacillus bulgaricus, Lactobacillus lactis, Lactobacillus brevis and Lactobacillus buchneri were carried out by double immunodiffusion in agar. Antigens were extracted from whole cells and cell wall preparations with cold trichloroacetic acid. Most strains of the four species possessed antigen 9 in their cell walls. Another antigen, antigen 10, was found in the cell wa...
Johnson, E. M. (Walter Reed Army Institute of Research, Washington, D.C.), Barbara Krauskopf, and L. S. Baron. Genetic mapping of Vi and somatic antigenic determinants in Salmonella. J. Bacteriol. 90:302-308. 1965.-The Vi antigen and somatic antigen 9 were transferred to Salmonella typhimurium recipients by mating with S. typhosa Hfr TD-7, and the genetic determinants of these antigens were loc...
The current best serum marker for pancreatic cancer, CA 19-9, detects a carbohydrate antigen on multiple protein carriers. Better knowledge of the protein carriers of the CA 19-9 antigen in various disease states may lead to improved diagnostic tests. To identify proteins that carry the CA 19-9 antigen, we immunoprecipitated the CA 19-9 antigen from pooled sera and identified the associated pro...
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