نتایج جستجو برای: athymic nude mice
تعداد نتایج: 394250 فیلتر نتایج به سال:
Investigation Of Anti-Tumour Activity Of Orthosiphon Stamineus On Human Oral Squamous Cell Carcinoma
Introduction: Oral Cancer contributes to 1.11% of total deaths in Malaysia, with 1,865 cases reported 2020. In this study, the standardized extract NuvastaticTM (C5OSEW5050ESA) showed antitumor activity oral cell carcinoma vitro and vivo. The active ingredient is derived from a Orthosiphon stamineus based on 6% rosmarinic acid Objective: present study was conducted evaluate anticancer potential...
IL-17A and IL-17F regulate granulopoiesis and are produced by memory T cells. Rag1(-/-) recombinase-activating gene-deficient mice cannot produce mature T cells but maintain normal neutrophil counts. Athymic nude mice are neutropenic or have near-normal neutrophil counts, depending on the prevailing intestinal flora, and do not produce IL-17A. By contrast, thymi from Rag1(-/-) mice contain as m...
We explored the effects of different lifetime exposures to soy isoflavone extracts on the growth of estrogen-dependent human breast cancer cells (MCF-7) implanted into athymic mice of different ovarian statuses. The athymic mice, ovariectomized or not, were implanted with MCF-7 cells. Mice were fed with low, moderate and high doses of soy isoflavone extract, at dietary concentrations of 6.25, 1...
A human immature teratoma cell line was established from tumor tissue of the ovary. The cell line, designated YK , synthesized and secreted alpha-fetoprotein, but there was a gradual decrease in the synthesis of this protein during serial passage. The doubling time at passage 43 was about 20.3 hr, and the plating efficiency was 30 to 40%. Tumorigenicity of the cell line in athymic nude mice was...
A model system has been developed to study extrathymic T cell differentiation. Mice have been thymectomized, lethally irradiated, and reconstituted with bone marrow cells depleted of Thy-1-positive cells. After 8 wk, the spleen cells of these 5athymic, bone marrow-reconstituted chimeras contain Thy-1-positive pre-cytolytic T lymphocytes (CTL) that are able to respond to antigen only when exogen...
Delta-like-4 ligand (DLL4) plays an important role in vascular development and is widely expressed on the vasculature of normal and tumor tissues. Anti-DLL4 is a humanized IgG1 monoclonal antibody against DLL4. The purpose of these studies was to characterize the pharmacokinetics (PK), tissue distribution, and anti-tumor efficacy of anti-DLL4 in mice over a range of doses. PK and tissue distrib...
To examine the possibility that the thymus determines the I region-restricted self-recognition repertoire expressed by T helper (TH) cells, thymic chimeras were constructed by transplanting allogeneic neonatal thymic lobes into congenitally athymic nude mice. Spleen TH cells from the thymic chimeras were themselves of nude host origin but only cooperated with B+ accessory cells of the thymic ha...
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