نتایج جستجو برای: innate response
تعداد نتایج: 1004450 فیلتر نتایج به سال:
Htr2a-Expressing Cells in the Central Amygdala Control the Hierarchy between Innate and Learned Fear
Fear is induced by innate and learned mechanisms involving separate pathways. Here, we used an olfactory-mediated innate-fear versus learned-fear paradigm to investigate how these pathways are integrated. Notably, prior presentation of innate-fear stimuli inhibited learned-freezing response, but not vice versa. Whole-brain mapping and pharmacological screening indicated that serotonin-2A recept...
Dendritic cells (DCs) play a critical role in the immune response to viral infection through the facilitation of cell-intrinsic antiviral activity and the activation of adaptive immunity. HIV-1 infection of DCs triggers an IRF3-dependent innate immune response, which requires the activity of cyclic GAMP synthase (cGAS). We report the results of a targeted RNAi screen utilizing primary human mon...
Introduction: Celiac disease is an autoimmune disease caused by persistent intolerance to gluten, which is causedin people who are genetically predisposed. The disease presents with atrophy of the small intestinal mucosa and gastrointestinal and extra-gastrointestinal manifestations.Environmental factors like gluten and genetic factors such as HLA and non-HLA genes are involved in causing the d...
Systemic Lupus Erythematosus (SLE) is an autoimmune disease with a wide spectrum of expression, aberrant host innate and adaptive immune response, chronic inflammation.
The pathogenesis of the sepsis syndrome is critically dependent on activation of the innate immune response. Innate immunity plays a direct role in the development of sepsis and is also crucial for the activation and modulation of later antigen-specifi c adaptive immune responses. Nearly all of the clinical manifestations of sepsis and the systemic infl ammatory response syndrome (SIRS) can be ...
The innate immune response is initiated by the interaction of stereotypical pathogen components with genetically conserved receptors for extracytosolic pathogen-associated molecular patterns (PAMPs) or intracytosolic nucleic acids. In multicellular organisms, this interaction typically clusters signal transduction molecules and leads to their activations, thereby initiating signals that activat...
background macrophages play critical roles in innate immune response in the liver. whether macrophages participate in liver innate immunity against hcv replication is poorly understood objectives the aim of this study was to investigate the role of macrophages in liver innate immunity against hcv replication. conclusions macrophages may play an important role in liver innate immunity against hc...
The innate immune response plays a critical role in fighting infection; however, innate immunity also can affect the pathogenesis of a variety of diseases, including sepsis, asthma, cancer, and atherosclerosis. To identify novel regulators of innate immunity, we performed comparative genomics RNA interference screens in the nematode Caenorhabditis elegans and mouse macrophages. These screens ha...
Background: Zinc depletion decreases monocyte functions and survival while excessive amount of zinc inhibits monocyte activation. Monocytes shift from conducting intercellular communication to becoming innate immune function as a response. This study aims to examine the influence of zinc status on the monocyte phagocytosis in patients with major beta-thalassemia. Materials and Methods: This st...
The maternal innate immune system plays an important role both in normal pregnancy as well as hypertensive disorders of pregnancy including preeclampsia (PE). We propose four pathways that involve excessive innate immunity that lead to most forms of PE. Pre-existing endothelial dysfunction plus pregnancy leads to an excessive innate immune response resulting in widespread inflammation, placenta...
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