نتایج جستجو برای: bk virus
تعداد نتایج: 402105 فیلتر نتایج به سال:
The infection by the BK Polyomavirus (BKV) is an emerging problem in kidney transplants that contributes to a chronic loss of kidney grafts, and in which immunosuppression plays a decisive role. Understanding its risk factors and strictly monitoring urine and serological markers of the infection could mitigate the undesirable effects of this disease. In this review, we investigate the clinical ...
During the last 10 years, polyoma BK-virus associated nephropathy (PVAN) has emerged as a serious complication in renal transplant recipients [1]. Due to the establishment of an accurate non-invasive screening procedure measuring polyomavirus BK-viraemia, BK-viruria and decoy cells in urine, PVAN can be diagnosed at early stages [2]. This allows for timely therapeutic intervention, which has si...
BACKGROUND Disease monitoring of viruses using real-time polymerase chain reaction (PCR) requires knowledge of the precision of the test to determine what constitutes a significant change. Calculation of quantitative PCR confidence limits requires bivariate statistical methods. OBJECTIVE To develop a simple-to-use graphical user interface to determine the uncertainty of measurement (UOM) of B...
BK polyomavirus (BKPyV; hereafter referred to as BK) causes a lifelong chronic infection and is associated with debilitating disease in kidney transplant recipients. Despite its importance, aspects of the virus life cycle remain poorly understood. In addition to the structural proteins, the late region of the BK genome encodes for an auxiliary protein called agnoprotein. Studies on other polyom...
Electron microscopic features of a brain tumor induced in hamster by BK virus, a human papova virus.
In order to locate the target cells for malignant transformation by BK virus (a human papova virus) in hamster brain, electron microscopic observation of tumor originally induced in hamster brain by BK virus was performed. With light microscopy, the BK virus-induced tumor (Vn 17) bore a close resemblance to human malignant ependymoma. Under the electron microscope, numerous microvilli and few c...
BK virus, a human polyomavirus, may cause nephritis and urological disorders in patients who have undergone renal transplantation. Little is known about the characteristics of the BK viral proteins. In the current study, BK viral proteins were characterized by immunoblotting and LC-MS/MS. The results revealed that BK virus is composed of three structural proteins, VP1, VP2, and VP3 and four cel...
A of immunosuppression (IS) is clearly the infections that jeopardize graft and patient survival. Reactivation of BK virus and histologically proven BK virus nephropathy (BKVN) after kidney transplantation (KT) are well described, resulting in renal graft loss in up to 15% of such patients. Described risk factors are lymphocyte-depleting agents, tacrolimus (Tac)–based IS, diabetes mellitus, and...
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