نتایج جستجو برای: slow virus diseases
تعداد نتایج: 1276963 فیلتر نتایج به سال:
Since thee beginning of the present century retroviruses have been reported as causative factors that produced transmissible tumors in birds. However, in 1980 Poiesz et al, established, for the first time, a link between a retrovirus and leukemia called Human Lymphotropic Virus Type 1 (HTLV1). Over the course of past 27 years the epidemiology of human T lymphotropic Virus type l has matured. ...
A slow progressive death of neurons is the hallmark of neurodegenerative diseases, such as glaucoma. A therapeutic candidate, erythropoietin (EPO), has shown promise in many models of these diseases; however, it also causes polycythemia, a potentially lethal side effect. We have developed a novel mutant form of EPO that is neuroprotective but no longer erythropoietic by altering a single amino ...
Abstract Background and Objective: Hepatitis delta virus is an imperfect virus with RNA and its activity depends on the presence of hepatitis B virus. This virus can lead to acute and chronic diseases in the liver. This study aimed to detect the hepatitis delta virus in blood donors with positive Hepatitis B Surface Antigens (HBsAg). Material and Methods: In this Study, 350 serum sa...
Condyloma acuminatum, is a rare sexually transmitted disease. The virus responsible for condyloma is human papillomavirus. HPV-6 and HPV-11 are the most commonly detected HPV genotypes, but at least 20 other HPV genotypes have occasionally been found in genital wart tissue specimens. In fact genital HPV infection is common among sexually active populations. This disease may occur at any age af...
The strategy for mass cloning of plants by micro propagation depends on disease-indexing the donor plant, and eliminating any diseases found, before setting up the explant or meristem cultures. Details of tissue culture media have been published for most commercially important species [1]. Fungal, bacterial and mycoplasmal pathogens can be successfully elim inated by the addition of the appro...
Hepatitis C, a common chronic bloodborne infection, is found in approximately 2 percent of adults in the United States. Chronic infection is associated with serious morbidity and mortality (e.g., cirrhosis, hepatocellular carcinoma). Testing for hepatitis C is recommended for at-risk populations, and confirmatory testing includes quantification of virus by polymerase chain reaction. The U.S. Pr...
Small ruminant lentiviruses (SRLV) are members of the Retrovirus family comprising the closely related Visna/Maedi Virus (VMV) and the Caprine Arthritis-Encephalitis Virus (CAEV), which infect sheep and goats. Both infect cells of the monocyte/macrophage lineage and cause lifelong infections. Infection by VMV and CAEV can lead to Visna/Maedi (VM) and Caprine Arthritis-Encephalitis (CAE) respect...
Subacute sclerosing panencephalitis is a progressive, frequently fatal slow virus infection of the brain attacking children and young adults and caused by measles virus. Computed tomography (CT) of the brain in 15 patients with this disease was normal in seven and abnormal in eight. CT demonstrated varying degrees of cortical atrophy associated with focal and multifocal low density lesions of t...
The pathogenesis of the slow virus encephalopathies and multiple sclerosis is reviewed within the framework of the immune response. The diseases are analyzed for the component of the immune response that appears to be crucial to the host's failure to control the disease. Thus, the absence of an immune response in the spongiform encephalopathies appears to reflect a failure of antigen recognitio...
Contact tracing has become one of the most useful tools for fighting novel Corona Virus (COVID-19) pandemic worldwide. The underlining philosophy contact is determining people who have been in with infected persons and thus isolate them from becoming agents onward transmission virus. Slow contacts inconsistent or inaccurate information provided by patients usually leads to spread virus along a ...
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