نتایج جستجو برای: hybridoma
تعداد نتایج: 2172 فیلتر نتایج به سال:
The pooled degenerate-primer polymerase chain reaction (PCR) technology is now widely used in the amplification and cloning of murine hybridoma-specific immunoglobulin gene cDNAs. The design of primers is mainly based on the highly conserved 5' terminus of immunoglobulin gene variable regions and the constant region in the 3' terminus. Of note, most murine hybridoma cell lines are derived from ...
In order to prove that a monoclonal antibody, KJ1-26.1, reacted with the idiotypic portion of the receptor for antigen plus major histocompatibility complex product (Ag/MHC) on the T cell hybridoma D0-11.10, 397 independent T cell hybridomas prepared from BALB/c T cells primed with ovalbumin were screened by ELISA for reactivity with the antibody. Of these T cell hybridomas one, 7D0-286, and a ...
The binding of a hybridoma-derived antibody (designated IPH.134-18-6) to an extract of the adult worn of Schistosoma japonicum has been further characterized. This antibody has immunodiagnostic potential for detection of infection with S. japonicum in the Philippines since the binding of labeled hybridoma antibody to a crude adult worm extract in a solid-phase radioimmunoassay (RIA) is inhibite...
DNA fragmentation during apoptosis is characterized by endonucleolytic cleavage of chromosomal DNA into an oligonucleosomal ladder. To determine if actively transcribed genes are more susceptible to cleavage during apoptosis than non-transcribed genes, the rate of fragmentation of differentially expressed genes was measured in B-lymphocyte hybridoma cells. Five genes were studied based on their...
Several methods were compared for their efficiency at supporting the growth of hybridoma cells at low cell densities. Soluble growth factors from different sources gave poor results, whereas actively metabolising syngeneic cells proved to be effective feeder systems. Of the latter, the transformed subline of BALB/c embryo fibroblast 3T3/B cells - 3T3/A31 - were best. Macrophage (peritoneal exud...
Mouse hybridomas were isolated by fusing P3-X63-Ag 8.653 myeloma cells with spleen cells from mice that had been repeatedly immunized with Legionella pneumophila serogroup 1 organisms. In one fusion, three independent hybridoma cultures which secreted antibodies that reacted with the immunizing strain in the indirect immunofluorescent-antibody test were selected for cloning. Representative cont...
Immunosuppression, myeloablation, and the use of immunologically immature tissue can overcome major histocompatibility complex barriers by inducing tolerance. With the goal of inducing tolerance to BALB/c-derived murine hybridoma cells producing the 4C6 monoclonal antibody (mAb), we transplanted BALB/c fetal tissue into neonatal pigs during a regimen of low-dose conditioning with busulfan and c...
Delta9-tetrahydrocannabinol (THC) impairs multiple immunological functions. The ability of a macrophage hybridoma to function as an antigen-presenting cell was examined by the stimulation of a soluble protein antigen-specific helper T cell hybridoma to secrete interleukin-2. THC exposure significantly reduced the T cell response to the native form of the antigen after a 24-h pretreatment of the...
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