نتایج جستجو برای: virus therapy
تعداد نتایج: 1020983 فیلتر نتایج به سال:
Nonhuman primates are widely used in biomedical research because of their genetic, anatomic, and physiologic similarities to humans. In this setting, human contact directly with macaques or with their tissues and fluids sometimes occurs. Cercopithecine herpesvirus 1 (B virus), an alphaherpesvirus endemic in Asian macaques, is closely related to herpes simplex virus (HSV). Most macaques carry B ...
We studied the intrahost evolution and dynamics of a multidrug-resistant HIV-1, which contains an insertion of two amino acids (aa) and several aa changes within the reverse transcriptase (RT) gene. From an individual receiving intermittent therapy, sequences of 231 full-length molecular clones of HIV-1 RT were obtained from serum-derived viruses at 12 consecutive time points over a period of 6...
For most HIV-infected patients, antiretroviral therapy controls viral replication. However, in some patients drug resistance can cause therapy to fail. Nonetheless, continued therapy with a failing regimen can preserve or even lead to increases in CD4+ T cell counts. To understand the biological basis of these observations, we used mathematical models to explain observations made in patients wi...
Results We examined virus in blood and CSF in eight subjects with advanced HIV disease and with neurocognitive involvement. All eight subjects had highly compartmentalized virus in comparing blood and CSF. In half of the subjects, the virus decayed rapidly in blood and CSF when therapy was initiated, and all env genes tested could infect cells only when there were high levels of CD4, both featu...
INTRODUCTION Pure red cell aplasia due to anti-epoetin antibodies is a known complication of epoetin therapy for anemia due to chronic kidney disease. This disease has not previously been well described in the setting of therapy for chronic hepatitis C virus infection. While treatment for pure red cell aplasia due to anti-epoetin antibodies is usually with immunosuppressive therapy such as calc...
Ebola virus causes sporadic outbreaks of lethal hemorrhagic fever in humans, but there is no currently approved therapy. Cells take up Ebola virus by macropinocytosis, followed by trafficking through endosomal vesicles. However, few factors controlling endosomal virus movement are known. Here we find that Ebola virus entry into host cells requires the endosomal calcium channels called two-pore ...
Recent years, allogeneic bone marrow transplantation (BMT) has proved to be the successful cure for patients with thalassemia major, however this is restricted due to limited matched-related donor. Its complications include chronic graft-versus-host disease in 5-8% of patients. So, a molecular approach, such as gene therapy for direct normal beta globin gene transmission, seems quite promising ...
AIM To evaluate changes in liver histology in patients with human immunodeficiency virus/hepatitis C virus coinfection non-responders to a suboptimal Interferon+Ribavirine regimen. MATERIALS AND METHODS We investigated 49 patients with two sequential liver biopsies: 18 were non-responders to Interferon+Ribavirine treatment (Group hepatitis C virus Rx) administered after the 1st liver biopsy w...
background: autophagy suppression recently has been known to have a remarkable effect for cellular adjustment and viability in the final stages of cancer. on the other hand, autophagy has the potential effect in preventing many viruses from replication. beclin1 is the most substantial constituent in autophagy apparatus regulation. this study was intended to investigate the beclin1 sirna knockdo...
Studies were undertaken to investigate the role of the thymus in T cell reconstitution in human immunodeficiency virus (HIV)-infected children treated with antiretroviral therapy. Nine pediatric patients who acquired HIV perinatally were treated with multidrug combinations of antiretroviral agents. Plasma virus load and CD4+ and CD8+ T cell subsets were measured, and thymus function was measure...
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