نتایج جستجو برای: زیرگروه cmv
تعداد نتایج: 9089 فیلتر نتایج به سال:
The mechanisms of inhibition of cytomegalovirus (CMV) infection by human CD13 (aminopeptidase N)-specific antibodies were studied. These antibodies protect CD13-negative and -positive cells from CMV infection only if incubated with the virus inoculum, suggesting they bind to CMV virions. The association of a CD13-like molecule with virions was further supported by the transfer of CD13 immunorea...
Human cytomegalovirus (CMV) continues to be a major threat against solid-organ transplant recipients despite significant advancements in its prophylaxis and therapy. Primary CMV infection or reactivation of latent CMV in the transplant recipients may cause CMV diseases such as flu-like viral syndrome and tissue-invasive CMV disease. In addition, CMV infection in the recipients is associated wit...
BACKGROUND AND OBJECTIVES Cytomegalovirus (CMV) disease remains an important complication of allogeneic stem cell transplantation (SCT). We studied viral load kinetics and correlated the viral load and other transplant factors with the development of CMV disease. DESIGN AND METHODS We studied 162 consecutive patients who were CMV seropositive or had CMV seropositive donors. Quantification of ...
OBJECTIVES Restoration of Cytomegalovirus-specific-CD4 T cell (CMV-Sp-CD4) responses partly accounts for the reduction of CMV-disease with antiretroviral-therapy (ART), but CMV-Sp-CD4 may also drive immune activation and immunosenescence. This study characterized the dynamics of CMV-Sp-CD4 after ART initiation and explored associations with CD4 T cell recovery as well as frequency of naïve CD4 ...
Ganciclovir effectively prevents cytomegalovirus (CMV) disease in the first 100 days after allogeneic hematopoietic stem cell transplantation (HSCT), but late-onset CMV disease is increasingly observed. We designed a prospective cohort study to define the incidence and risk factors for late CMV infection in patients who undergo HSCT. CMV-seropositive patients were studied prospectively for CMV ...
OBJECTIVES To establish a sensitive and specific real-time PCR for quantitation of cytomegalovirus (CMV) DNA in clinical specimens. SUBJECTS AND METHODS In a prospective study, CMV DNA was quantified in blood samples of 255 kidney recipients with and without CMV-related symptoms between the years 2000 and 2005 in Kuwait. In a selected group of patients, the effect of anti-CMV chemotherapy was...
Background Cytomegalovirus (CMV) has been known as the most common cause for congenital infections worldwide which can lead to death in fetus and neonates as well as neuropsychiatric deficits. The aim of this study was to determine the prevalence of congenital CMV infection in newly born neonates and to evaluate the medical outcomes. Materials and Methods In this cross-sectional study, 868 neon...
BACKGROUND Congenital cytomegalovirus (CMV) is reported to affect up to 1% of all live births in the United States. T-cell immunity may be important for controlling CMV replication in congenital CMV-infected infants. We describe the natural history of CMV-specific T-cell evolution and CMV replication in infants with congenital CMV infection. METHODS Cytomegalovirus viral load, CMV urine cultu...
Cucumber mosaic virus (CMV) is one of the causal agents of viral diseases that infected mint (Mentha spp.). CMV is a member of the cucumovirus genus in Bromoviridae family. The virus is naturally transmitted by aphids in a non-persistent manner.During growing season 2007-2008, leaf samples from plants of mint fields with symptoms of viral disease were collected in mint fieldas in Tehran provi...
Matrix Converter (MC) is a direct energy conversion device with high input power factor. In the Direct Matrix Converter modulation, the Space Vector Modulation (SVM) method by simultaneous control of the input current and output voltage is used. In this method sum of the phase voltages in the central point of load is nonzero, then nonzero Common-Mode Voltage (CMV) in central point is produce...
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