Influence of Avian Influenza Virus on Human Inflammatory Gene Expression Profile |
Author : Abdulrhem Thonnon Al-Ghazal |
Abstract | Full Text |
Abstract :Avian influenza A/H5N1 virus considered as a public health risk with systemic inflammatory response syndrome. Outbreaks in poultry usually cause transmission to human by the ora fecal route leading to high rate of morbidity or mortality. Avian influenza A/H5N1 virus stimulates gene expression of immune inflammatory host genes which cause high pathogenic impact on human. From 90 patients suffer from severe respiratory symptoms, only 6 patients were serologically diagnosed infected with avian influenza A/H5N1 virus. Real-Time-Reverse Transcription PCR-array (RT-PCR-array) was used twice (first with acute samples and second with control cycle) to determine the rate of immune-inflammatory gene expression (Gene fold change) in human white blood cells. Our findings reveal that avian influenza virus H5N1 viruses can infect human white blood cells resulting in the induction of 9 proinflammatory cytokines (CCL2, CCL3, CCL4, CCL5, CXCL9, CXCL10, IFNa, IFNb and TNF). Our observations suggest that avian influenza H5N1 infection can trigger profound white blood cell impact which may play an important role in the relationship between the pathogenesis of avian influenza virus H5N1 and host immune. |
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Influence of Avian Influenza Virus on Human Inflammatory Gene Expression Profile |
Author : Abdulrhem Thonnon Al-Ghazal |
Abstract | Full Text |
Abstract :Avian influenza A/H5N1 virus considered as a public health risk with systemic inflammatory response syndrome. Outbreaks in poultry usually cause transmission to human by the ora fecal route leading to high rate of morbidity or mortality. Avian influenza A/H5N1 virus stimulates gene expression of immune inflammatory host genes which cause high pathogenic impact on human. From 90 patients suffer from severe respiratory symptoms, only 6 patients were serologically diagnosed infected with avian influenza A/H5N1 virus. Real-Time-Reverse Transcription PCR-array (RT-PCR-array) was used twice (first with acute samples and second with control cycle) to determine the rate of immune-inflammatory gene expression (Gene fold change) in human white blood cells. Our findings reveal that avian influenza virus H5N1 viruses can infect human white blood cells resulting in the induction of 9 proinflammatory cytokines (CCL2, CCL3, CCL4, CCL5, CXCL9, CXCL10, IFNa, IFNb and TNF). Our observations suggest that avian influenza H5N1 infection can trigger profound white blood cell impact which may play an important role in the relationship between the pathogenesis of avian influenza virus H5N1 and host immune. |
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Detection of Tuberculosis Necrotizing Toxin Isolated from Mycobacterium tuberculosis Using Molecular Methods |
Author : Mujahid Khalaf Ali |
Abstract | Full Text |
Abstract :To exhibit an incorporated atomic science devoted system for tuberculosis diagnosis. Mycobacterium tuberculosis (MTB) instigates putrefaction of infected cells to avoid immune reactions. As of late we found that MTB uses the protein CpnT to execute human macrophages by discharging its C-terminal area, named Tuberculosis Necrotizing Toxin (TNT) that incites putrefaction by an obscure component. The TNT controls the cytosol of MTB-infected macrophages where it hydrolyzes the main element co-catalyst Nicotinamide Adenine Dinucleotide (NAD+). Articulation or infusion of a non-synergist TNT mutant demonstrated no cytotoxicity in macrophages or zebrafish zygotes, separately, exhibiting that the NAD+-glycohydrolase action is required for TNT-prompted cell demise. To anticipate self-harming, MTB produces a Immunity Factor for TNT (IFT) that ties TNT and represses its action. The precious stone structure of the TNT-IFT complex uncovered a novel NAD+-glycohydrolase overlap of TNT which constitutes the establishing individual from a toxin family across the board in pathogenic micro-organisms. |
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