نتایج جستجو برای: 6 antigen
تعداد نتایج: 1130589 فیلتر نتایج به سال:
O-glycans are suitable targets as novel and useful tumor markers. The structures of O-glycans in human sera from four healthy controls were precisely analyzed to obtain the reference O-glycan database. O-glycans were prepared from sera by hydrazine treatment followed by fluorescent labeling with aminopyridine and identified using two-dimensional mapping, enzymatic digestion and mass spectrometr...
Polymerized flagellin from Salmonella adelaide was labeled with I(125) and injected into rats varying in age from 0 to 42 days. Lymphoid organs were removed at various intervals and the progressive development of antigen-capturing structures was studied using autoradiography. The chief findings were as follows: 1. Newborn rats lack the follicular and medullary antigen-trapping structures charac...
in this study one lymph node from cow with viral lymphosarcoma and one lymph node from healthy cow were analyzed by three different methods for protein extraction, include simple homogenizing in pbs, sonication and phenol extraction. tumor antigen detection relies on immunoprecipitation followed by sds-page. in this experiment streptococcus pyogenes was used for purification of immune compl...
Background: Carcinoembryonic antigen cell adhesion molecule (CEACAM) family members 5 and 6 are tumor-associated antigens frequently upregulated in epithelial cancers, including pancreatic ductal adenocarcinoma (PDAC) colorectal cancer (CRC), where they contribute to invasion, metastasis, survival, resistance chemotherapy, immune escape. CT109 is a novel antibody with dual specificity for both ...
Anaphylaxis caused by allergen sensitization and vaccination is a serious health concern. The severity of anaphylaxis associated with the presence immunoglobulin E (IgE) antibodies that bind to allergens high affinity. Here, we report development unique Interleukin-13 (IL-13)-producing follicular helper T (TFH) cell subset, designated TFH2 cells, which tightly production high-affinity IgE antib...
BACKGROUND The symmetrical immune network theory, developed in 1975, is based on the existence of specific T cell factors and hypothesizes that normal IgG immune responses comprise the production of 2 kinds of antibodies, namely antigen-specific antibodies and anti-idiotypic antibodies. OBJECTIVE The aim of this study was to confirm the existence of specific T cells factors and to show that i...
The use of recombinant attenuated Salmonella vaccine (RASV) strains is a promising strategy for presenting heterologous antigens to the mammalian immune system to induce both cellular and humoral immune responses. However, studies on RASV development differ on where heterologous antigens are expressed and localized within the bacterium, and it is unclear how antigen localization modulates the i...
The pH 6 antigen of Yersinia pestis is a virulence protein whose gene, psaA, is positively regulated at the transcriptional level by low pH, mammalian temperature, and an upstream locus, psaE. Low pH appears to be required for initial psaA transcription, although increased temperature is necessary for full expression of the gene. In addition, psaA is monocistronic and its transcript has a relat...
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