نتایج جستجو برای: cmv dna
تعداد نتایج: 514047 فیلتر نتایج به سال:
OBJECTIVES To examine the incidence of congenital cytomegalovirus (CMV) infection relative to common genetic etiologies of hearing loss in a pediatric population with sensorineural hearing loss (SNHL), and to characterize intracranial radiological abnormalities in patients with CMV-associated hearing loss. DESIGN Retrospective study. SETTING Academic tertiary care center. PATIENTS A total...
سابقه و هدف: لانگرهانس هیستیوسیتوزیس یک بیماری نادر می باشد که بافت های مختلفی را در گیر میکند. از آنجائیکه ویروسها بعنوان عوامل احتمالی ایجاد لانگرهانس سل هیستیوسیتوزیس مطرح شده اند. لذا این مطالعه به منظور بررسی ارتباط ویروسهای DNA دار و لانگرهانس سل هیستیوسیتوزیس در کودکان ایرانی انجام شد. مواد و روش ها: در این مطالعه مورد-شاهدی، بلوک های پارافینی 48 بیمار با تشخیص بالینی و میکروسکپی لانگرها...
BACKGROUND Quantification of cytomegalovirus (CMV) deoxyribonucleic acid (DNA) has important diagnostic, prognostic, and therapeutic implications in the management of transplant recipients. We aimed to assess a viral load in plasma and whole blood that distinguishes CMV disease from asymptomatic infection in a cohort of solid organ and hematopoietic stem cell transplantation. METHODS We prosp...
چکید ه سابقه و هدف ویروس سایتومگال انسانی یک ویروس DNA دار با اندازه تقریبی200 نانومتر متعلق بهخانواده هرپس ویروسها میباشد. عفونت با CMV در بیماران دچار نقص ایمنی، دریافتکنندگان پیوند، بیماران مبتلا به ایدز، بیماران تحت درمان با عوامل سرکوبکننده ایمنی و جنین درحال رشد میتواند منجربه بیماری لوکالیزه یا منتشر شود. بیماران درمعرض خطر هردو عفونت اولیه و فعالیت مجدد عفونت نهفته میباشند...
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...
The effect of human cytomegalovirus (CMV) on cell DNA synthesis and mitotic activity in hamster embryo fibroblasts was examined. The results indicated that CMV infected cells had increased rates of cell DNA replication and mitotic activity. Detection of the effect of CMV on these two parameters necessitated arrest of cells prior to infection with low serum concentrations. This lowered the backg...
CONCLUSIONS Congenital cytomegalovirus (CMV) infection is a major cause of bilateral and unilateral sensorineural hearing loss (SNHL) in children, accounting for 9.0% of SNHL cases. The diagnostic rate using combined genetic deafness test and CMV DNA detection test was determined to be 46.4% in bilateral profound SNHL. OBJECTIVES The present study investigated the prevalence of congenital CMV...
AIM To identify cytomegalovirus (CMV) infection in liver transplant recipients by polymerase chain reaction (PCR) techniques and to separate the cases in which CMV related disease will occur, for whom treatment is indicated, from those in whom infection will remain innocuous. METHODS The combination of qualitative and semiquantitative PCR of serum and urine was assessed to determine whether t...
Peripheral blood mononuclear cells from 208 consecutive patients undergoing elective coronary angiography or angioplasty were collected before, immediately after, and 4 h after the procedure. Nucleic acids of Chlamydia pneumoniae and of cytomegalovirus (CMV) were detected by PCR and confirmed by hybridization. Circulating C. pneumoniae DNA was identified in 24 patients (11.5%) and was associate...
Cytomegalovirus (CMV) DNA load was analyzed as a marker for relapse of CMV infection in 24 solid organ transplant patients with CMV infection or disease who received a fixed 14-day course of intravenous ganciclovir. Viral load was measured in blood samples obtained before and at the completion of treatment. Eight (33%) of 24 patients developed relapsing CMV infection. Median pretreatment viral ...
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