نتایج جستجو برای: bk virus bkv
تعداد نتایج: 402180 فیلتر نتایج به سال:
BK human polyomavirus BKV causes an asymptomatic primary infection in children, but later, establishes latency mainly in the urinary tract. Virus-host interactions influencing persistence and pathogenicity are not well-understood. We present here a 12-year-old Saudi boy, who had renal transplant in Egypt. Seven months later, he was admitted to our Pediatric Nephrology Unit as a case of renal im...
BK polyomavirus (BKV) mainly causes infection in uroepithelial and renal tubular epithelial cells of either immunocompetent or immunocompromised hosts. Despite asymptomatic mild clinical features hosts with infection, serious complications are frequently found patients, especially patients kidney transplantation. Accordingly, BKV-associated nephropathy (BKVN) demonstrates a wide range manifesta...
BACKGROUND BK virus is a polyoma virus causing renal allograft nephropathy. Reduction of immunosuppression with the early recognition of significant BK viral loads in urine and plasma can effectively prevent BKV associated nephropathy (BKVN), however the optimal compartment and frequency of BK viral load measurement post renal transplantation are undetermined. Our purpose was to examine time to...
The human polyomavirus BK virus (BKV) is a common virus for which 80 to 90% of the adult population is seropositive. BKV reactivation in immunosuppressed patients or renal transplant patients is the primary cause of polyomavirus-associated nephropathy (PVN). Using the Dunlop strain of BKV, we found that nuclear factor of activated T cells (NFAT) plays an important regulatory role in BKV infecti...
BK virus (BKV), a virus belonging to the polyomavirus family, is a circular double-stranded DNA virus that causes nephropathies in immunocompromised patients after kidney or bone marrow transplantation. The occurrence of polyomavirus-associated nephropathy in kidney transplant patients may trigger graft loss, and guidelines for the management of BKV infection have not yet been clearly establish...
Solid-phase immunoglobulin M (IgM) antigen capture enzyme immunoassay (AgCEIA) and antibody capture enzyme immunoassay (AbCEIA) were developed for the diagnosis of BK virus (BKV) infections. Of 37 serum samples from renal allograft recipients, 15 were positive for BKV IgM antibody by either AgCEIA, AbCEIA, or antigen capture radioimmunoassay. False-positive IgM results were observed in the AgCE...
Urinary shedding of BKV is increased in immunocomIn 1971, two human polyomaviruses were discovered, BK virus (BKV ) from the urine of a renal transplant promising conditions. BKV infection has been linked to occasional cases of cystitis in immunocompetent recipient (whose initials were B.K.) and JC virus (JCV ) from the brain of a patient (whose initials were J.C.) children, to glomerulonephrit...
Enzyme immunoassays (EIAs) for detection of serum antibodies to simian virus 40 (SV40), BK virus (BKV), and JC virus (JCV) were developed by using virus-like-particles (VLPs) produced in insect cells from recombinant baculoviruses expressing the VP1 protein of the respective virus. Rhesus macaque sera with neutralizing antibodies to SV40 showed a high level of reactivity in the SV40 VLP-based E...
Hodgkin's lymphoma is a disease with a high rate of curability under classic chemo-radiotherapy regimes. Complications due to chemotherapy could include viral reactivation due to chronic lymphopenia. BK virus (BKV) is a polyoma virus belonging to the Papovaviridae family with antibody seroprevalences in healthy populations varying from 60% to 80%. Initial infections are asymptomatic usually occ...
BK virus infection is a challenging complication in renal allograft recipients and has been associated with hematuria, ureteral stenosis, nephropathy and malignancy. BK virus infection occurs early during childhood and the virus lays dormant in uroepithelial cells. Reactivation of the virus in renal transplant recipients is particularly worrisome because of its propensity to cause local damage ...
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