نتایج جستجو برای: tnf α promoter polymorphism
تعداد نتایج: 379749 فیلتر نتایج به سال:
Unbalanced tumor necrosis factor (TNF)-α production is associated with pathogenesis of a variety of human diseases. However, the molecular pathways maintaining TNF-α homeostasis remain elusive. Here, we report that NF-κB/p65-DICER-miRs axis negatively regulates TNF-α production. We demonstrated that NF-κB bound to DICER promoter and transcriptionally regulated DICER expression. In addition, the...
Non-alcoholic fatty liver disease (NAFLD), the most common form of disease, is now recognized as a major public health problem worldwide. Tumor necrosis factor alfa (TNF-α), member TNF/TNFR cytokine family, an intercellular transmission molecule that has been reported in wide range human noninfection diseases. The aim study was to determine circulating levels TNF-α and nature its relationships ...
Objective Nasal Polyp (NP) is a benign mass of the paranasal sinuses that protrudes into the nasal cavity. The exact underlying pathogenesis is not known. In this study we aimed to determine the genetic susceptibility of NP formation in relation to TNF-α-308 and IL-1β-511 promoter region gene polymorphisms. Methods A total of 71 patients with NP with asthma (n=21) or without asthma (n=50) wer...
cytokines play a part in pathogenesis of periodontitis via inflammation phenomenon. aggressive periodontitis (agp) is a multifactorial disease resulting in rapid tooth loss due to severe destruction of tooth supporting apparatus. recently, researchers have focused on genetic susceptibility of periodontitis through investigating the gene variations of cytokines and other components of immune res...
Background: Cytokines are suggested to play a role in periodontitis. Objective: To determine and compare the levels of Interleukin-1 beta (IL-1β) and Tumor necrosis factor alpha (TNF-α) in gingival crevicular fluid (GCF) samples amongst healthy individuals and those with chronic periodontitis. Further to compare the GCF cytokine levels in three genotype classes defined by the respective gene p...
BACKGROUND AND OBJECTIVE The association between TNF-α -308 G/A polymorphism and COPD remains controversial due to insufficiently strict study designs and small group sizes among different studies. In the present study, a meta-analysis update which followed a stricter procedure was performed to obtain a clearer understanding of this association. METHODS A comprehensive database search was con...
The tumor necrosis factor (TNF) alpha gene lies within the class III region of the major histocompatibility complex (MHC), telomeric to the class II and centromeric to the class I region. We have recently described the first polymorphism within the human TNF-alpha locus. This is biallelic and lies within the promoter region. Frequency analysis of the TNF-alpha polymorphism, using the polymerase...
The tumor necrosis factor (TNF) c~ gene lies within the class III region of the major histocompatibility complex (MHC), telomeric to the class II and centromeric to the class I region. We have recently described the first polymorphism within the human TNF-ct locus. This is biallelic and lies within the promoter region. Frequency analysis of the TNF-o~ polymorphism, using the polymerase chain re...
Esculetin, a potent non-competitive inhibitor of lipoxygenase, has been shown to inhibit vascular smooth muscle cell (VSMC) proliferation. However, the effect of esculetin on the matrix metalloproteinase-9 (MMP-9) regulation responsible for cell migration and invasion has not been previously investigated. The results of the present study showed the esculetin (12.5-25 µg/ml) induced the inhibiti...
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