نتایج جستجو برای: innate immune system
تعداد نتایج: 2443056 فیلتر نتایج به سال:
Objective(s): This study aimed to find the effects of silver nanoparticles (Ag-NPs) (40 nm) on skin wound healing in mice Mus musculus when innate immune system has been suppressed.Materials and Methods: A group of 50 BALB/c mice of about 8 weeks (weighting 24.2±3.0 g) were randomly divided into two groups: Ag-NPs and control group, each with 25 mice. Once a day at the same time, a volume of 50...
conclusions to date, a large number of viruses are proved to trigger innate immunity via tlrs, suggesting that these receptors are likely to be important in the outcome of viral infection. this suggestion is supported by the observation that many viruses have evolved mechanisms not only to evade the innate immune system, but also to subvert it for the benefit of the virus. materials and methods...
Normal pregnancy is considered as a Th2 type immunological state that favors an immune-tolerance environment in order to prevent fetal rejection. Preeclampsia (PE) has been classically described as a Th1/Th2 imbalance; however, the Th1/Th2 paradigm has proven insufficient to fully explain the functional and molecular changes observed during normal/pathological pregnancies. Recent studies have e...
The Human Immune System (HIS) is a complex network composed of specialized cells, tissues, and organs that is responsible for protecting the organism against diseases caused by distinct pathogenic agents, such as viruses, bacteria and other parasites. The first line of defence against pathogenic agents consists of physical barriers of skin and the mucous membranes. If the pathogenic agents brea...
Introduction : The innate immune system as the first line of defense against the pathogens recognizes pathogen-associated molecular patterns (PAMPs) by Toll-Like Receptors (TLRs). Interaction of bacterial PAMPs by TLRs results in activation of innate and acquired immunity. FimH adhesin, a minor component of type 1 fimbriae encoded by Uropathogenic Escherichia coli (UPEC) is a PAMP of TLR4 tha...
Background and purpose: Ïn recent years, different studies have been performed regarding the influence of magnetic field on the immune system. There are many contraversies about the effects of different frequencies and amplitudes on the immune system. Materials and methods : Ïn this experimental study, the effects of different frequencies of magnetic field (0,5,50,500 and 5000 Hz) have bee...
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