نتایج جستجو برای: β interferon β
تعداد نتایج: 243008 فیلتر نتایج به سال:
Background: Dendritic cells (DC) are a key regulator of the immune response, and interferon- beta (IFN-β) is considered an immunomodulatory molecule for DC. Objective: The purpose of this study was to evaluate the ability of IFN-β treated DC to induce cytokine secretion by CD4+ T cells. Methods: Dendritic cells were generated from blood monocytes with granulocyte-monocyte colony-stimulating fac...
Human respiratory syncytial virus (RSV) is a lung tropic virus causing severe airway diseases including bronchiolitis and pneumonia among infants, children, and immuno-compromised individuals. RSV triggers transforming growth factor-β (TGF-β) production from lung epithelial cells and TGF-β facilitates RSV infection of these cells. However, it is still unknown whether RSV infected myeloid cells ...
Introduction: Interferon (IFN) was first introduced by Isaacs and Linddeman in 1957. It referred to a factor that could cause inhibition in the growth of the live influenza virus. Interferons are intracellular proteins that are involved in many cellular processes such as growth, proliferation, differentiation, metabolism of the extracellular matrix, apoptosis, and regulating immune responses. T...
Rapid upregulation of interferon beta (IFN-β) expression following virus infection is essential to set up an efficient innate antiviral response. Biological roles related to the antiviral and immune response have also been associated with the constitutive production of IFN-β in naive cells. However, the mechanisms capable of modulating constitutive IFN-β expression in the absence of infection r...
The classic anti-viral cytokine interferon-β (IFN-β) can be induced during parasitic infection, but relatively little is know about the cell types and signaling pathways involved. Here we show that inflammatory monocytes (IMs), but not neutrophils, produce IFN-β in response to T. gondii infection. This difference correlated with the mode of parasite entry into host cells, with phagocytic uptake...
Increasing evidence has pointed to activated type I interferon signaling in tumors. However, the molecular basis for such activation and its role in tumorigenesis remain unclear. In the current studies, we report that activation of type I interferon (IFN) signaling in tumor cells is primarily due to elevated secretion of the type I interferon, IFN-β. Studies in oncogene-transformed cells sugges...
OBJECTIVE To examine the potential role of 6-sulfo LacNAc(+) (slan) dendritic cells (DCs) displaying pronounced proinflammatory properties in the pathogenesis of multiple sclerosis (MS). METHODS We determined the presence of slanDCs in demyelinated brain lesions and CSF samples of patients with MS. In addition, we explored the impact of methylprednisolone, interferon-β, glatiramer acetate, or...
β- آمینو الکلها کاربرد وسیعی در زمینه های صنعتی، بیولوژیکی و دارویی دارند. واکنش افزایش هسته دوستی آمین ها به اپوکسید ها یکی از روشهای موثر برای سنتز این دسته از ترکیبات می باشد که معمولاً به وسیلهء اسیدهای لوئیس از قبیل zncl2، ساماریوم یدید ، آلومینا ، sn(otf)2 و ... انجام می شوند. از آنجاییکه این روشها دارای معایبی از قبیل زمان واکنش طولانی، شرایط سخت واکنش، راندمان پایین، استفاده از حلال سمی ...
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