نتایج جستجو برای: infected host
تعداد نتایج: 354250 فیلتر نتایج به سال:
Background: Polymorphisms in the immune related genes are important in the clinical outcome of Helicobacter pylori infection. Myeloperoxidase -463 G/A polymorphism has been shown to reduce enzyme expression and activity. Objective: the aim of the present study is to investigate the association of myeloperoxidase G-463A polymor-phism with clinical outcome of Helicobacter pylori infection. Method...
Introduction: Zoontic cutaneous leishmaniasis (ZCL) is one of the most important vector-born diseases in Iran, transmitted by phlebotominae sandfiles and its foci exist in different parts of the country. In Hormozgan province, south of Iran, cataneous leishmaniasis mainly reports from Hajiabad, Banda-Lengeh and Kahoorestan. This study is conducted to investigate epidemiology of leishmaniasis in...
Once a host is infected by an Internet worm, prompt action must be taken before that host does more harm to its local network and the rest of the Internet. It is therefore critical to quickly detect that a worm has infected a host. In this paper, we enhance our SWORD system to allow for the detection of infected hosts and evaluate its performance. This enhanced version of SWORD inherits the adv...
Both anti- and proapoptotic activities have been reported to occur during chlamydial infection. To reconcile the apparent controversy, we compared host cell apoptotic responses to infection with 17 different chlamydial serovars and strains. None of the serovars caused any biologically significant apoptosis in the infected host cells. Host cells in chlamydia-infected cultures can continue to und...
Infectious pathogens compete and are subject to natural selection at multiple levels. For example, viral strains compete for access to host resources within an infected host and, at the same time, compete for access to susceptible hosts within the host population. Here we propose a novel approach to study the interplay between within- and between-host competition. This approach allows for a sin...
New informat ion is reported on the parasit ism of Heterotylenchus autumnalis upon its principal known host, Musca autumnalis. Black to b rown spots are produced on the cuticle of all infected host larvae where the nematode penetrated. The principal damage to the host is castration of the female. In laboratory tests nematode larvae were not infective and did not leave the hosts before the femal...
Background and purpose : In this study , different aspects to Ascaris lumbricoides antigenic effects on host responses in different stages of infection was determined counting the number of eosinophiles by titration of antibody and by electrophoresis of serum globulins. Materials and Methods : The study was performed on 120 infected cases , residing in Khair Abad village of Isfahan provinc...
Background & Objective: Hepatitis C Virus (HCV) is one of the important risk factors for liver cirrhosis and hepatocellular carcinoma. Some of the host genetic factors such as interleukin 28B (IL-28B) may influence the response to the antiviral therapy. IL28B is a member of the interferon (IFN) family which causes an antiviral response. Previous studies indicated that rs12979860 polymorphisms o...
A model linking within- and between-host pathogen dynamics via pathogen shedding (emission of pathogens throughout the course of infection) is developed, and several aspects of host availability and co-infection are considered. In this model, the rate of pathogen shedding affects both the pathogen population size within a host (also affecting host mortality) and the rate of infection of new hos...
Introduction: Avian influenza viruses are considered as a serious threat to human and animal health. An increase in expression of proinflammatory cytokines and type I IFN genes, as well as host cell death responses contribute to the pathogenesis of influenza infection. Hence, this study aimed to evaluate the growth dynamics of subacute avian influenza virus in human respiratory alveolar epithel...
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