نتایج جستجو برای: ifnγ
تعداد نتایج: 2778 فیلتر نتایج به سال:
The ability of Listeria monocytogenes-based anticancer vaccines to induce tumor regression depends on the responsiveness of malignant cells to interferon γ (IFNγ). Inhibition of IFNγ limits the recruitment of T cells to the tumors of vaccinated mice. We hypothesized that vaccination with immunotherapeutic L. monocytogenes induces the IFNγ-dependent production of chemokines that regulate the mig...
The gamma-interferon assay (IFNγ) is often used as an ancillary diagnostic test alongside the tuberculin skin test in order to detect Mycobacterium bovis infected cattle. The performance of the IFNγ test has been evaluated in many countries worldwide and wider usage as a disease surveillance tool is constrained due to the relatively low and inconsistent specificity at a herd and area level. Thi...
Tuberculosis (TB) presents a serious health problem with approximately one-third of the world's population infected with Mycobacterium tuberculosis in a latent state. Experience from the pre-antibiotic era and more recent clinical studies have established a beneficial role of sunlight and vitamin D in patients with TB. At the same time, experimental data have shown that Th1 cells through produc...
The protozoan Toxoplasma gondii actively modulates cytokine-induced JAK/STAT signaling pathways to facilitate survival within the host, including blocking IFNγ-mediated STAT1-dependent proinflammatory gene expression. We sought to further characterize inhibition of STAT1 signaling in infected murine dendritic cells (DC) because this cell type has not previously been examined, yet is known to se...
The protozoan parasite Trypanosoma cruzi is responsible for the zoonotic Chagas disease, a chronic and systemic infection in humans and warm-blooded animals typically leading to progressive dilated cardiomyopathy and gastrointestinal manifestations. In the present study, we report that the transcription factor STAT1 (signal transducer and activator of transcription 1) reduces the susceptibility...
Anagen hair bulb immune privilege (IP) collapse is a key underlying event leading to inflammatory loss in alopecia areata (AA). Although the follicle (HF) organ culture assay provides an excellent platform for identification of IP protective/restorative drugs AA management, it inadequate high-throughput screening purposes. Thus, we aimed at developing vitro models suitable latter goal. Interfer...
INTRODUCTION Uveitis, or intraocular inflammatory disease, is a frequent extra-articular manifestation of several forms of arthritis. Despite the frequent co-occurrence of uveitis and arthritis, little is understood of the eye's predisposition to this disease. We recently described a previously unreported uveitis in a murine model of spondyloarthropathy triggered by autoimmunity to aggrecan, a ...
IL-17-producing helper T (Th17) cells are critical for host defense against extracellular pathogens but also drive numerous autoimmune diseases. Th17 cells that differ in their inflammatory potential have been described including IL-10-producing Th17 cells that are weak inducers of inflammation and highly inflammatory, IL-23-driven, GM-CSF/IFNγ-producing Th17 cells. However, their distinct deve...
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