نتایج جستجو برای: tnp
تعداد نتایج: 816 فیلتر نتایج به سال:
Suppressor T cells, activated by injection of trinitrobenzene sulphonic acid in DA rats, prevented rejection of LEW kidney allografts in a donor-specific manner when adoptively transferred into syngeneic recipients along with trinitrophenyl (TNP)-haptenated LEW alloantigen. TNP-haptenated third-party alloantigen was ineffective in this system. The donor-specific suppression was dependent, too, ...
Introduction: In the present study, we assessed the effects of β-carotene on Titanium oxide Nanoparticle (TNP) induced mouse Spermatozoon Stem Cells (SSCs) apoptosis, at molecular level. Methods: After isolation from cryptorchid mouse testis and characterization, spermatogonial stem cells were divided into four groups. In the control group, spermatogonial cells were cultured in &alp...
In murine in vivo systems, Ags administered in physiologic solutions together with specific IgE induce a significantly higher Ab response than Ags administered alone. In vitro, IgE in complex with Ag enhances B cell-mediated presentation of the Ag to T cells. Both phenomena require an intact low affinity receptor for IgE (Fc epsilon RII/CD23), suggesting that the effect on in vivo Ab responses ...
Transposition causes genomic instability by mobilizing DNA elements. This phenomenon is mechanistically related to other DNA rearrangements, such as V(D)J recombination and retroviral DNA integration. A conserved active site architecture within the transposase/integrase superfamily catalyzes these distinct phenomena. The Tn5 transposase (Tnp) falls within this protein class, and many intermedia...
Trior dinitrophenylated pneumococcal polysaccharide type 111 ( T N P or DNPS I I I ) ) induced a primary 19s anti-TNP response without generating immunological niemory to the hapten in LAFI mice. Hapten-hemocyanin (TNP-KLH) or hapten conjugates of B . a6ortirs organisms (DNP-BA) induced both 19s and 7s primary responses and memory to the hapten. Spleen cells from mice immunized with T N P K L H...
We have previously shown that murine IgG3 monoclonal autoantibodies with cryoglobulin activity, derived from lupus-prone mice, are able to induce glomerular lesions resembling the "wire-loop" lesion typically described for human lupus nephritis. In the present study, we have further assessed the nephritogenic potential of four IgG3 anti-hapten, trinitrophenyl (TNP), monoclonal antibodies (mAb) ...
In Simian virus 40 (SV40) transgenic BALB/c WAP-T mice tumor development and progression is driven by SV40 tumor antigens encoded by inducible transgenes. WAP-T mice constitute a well characterized mouse model for breast cancer with strong similarities to the corresponding human disease. BALB/c mice mount only a weak cellular immune response against SV40 T-antigen (T-Ag). For studying tumor ant...
Cytotoxic thymus-derived lymphocytes generated after interaction with trinitrophenyl (TNP)-substituted or virus-infected cells only lyse H-2 compatible target cells modified with the component used to immunize (TNP or virus). Prior saturation of TNP-reactive sites inhibits neither the infectivity of influenza A viruses, nor the capacity of infected cells to develop antigenic changes recognized ...
An H-2K/IA recombinant mouse strain was used to map the genes within the H-2 complex which determine the ability to respond in cell-mediated lympholysis (CML) to low doses of trinitrophenyl-self (TNP-self). It was found that gene(s) which map to the K region are involved in regulation of CML response to low-dose TNP-self. It was also found that CML response to TNP recognized in association with...
Introduction: Surgery is standard treatment for pancreatic-neuroendocrine-tumors (TNP) although it occasionally associated with high-rates of morbid-mortality. Radiotherapy can be an effective alternative in selected patients. Our objective to evaluate the efficacy SBRT (Stereotactic-body-radiation-therapy) as a radical TNP. Materials and methods: Between December 2017 November 2020, we prospec...
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