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Diagnosis of Cytomegalovirus Infections

Cytomegalovirus (CMV) is the largest member of the virus family Herpesviridae and is a ubiquitous virus that infects almost all humans at some time in their lives. The virus was first isolated by three different groups of investigators; Rowe and colleagues, Weller and colleagues, and Smith simultaneously in 1956 [].It has since been recognized as the most common congenital viral infection in , high cytomegalovirus nucleic acid detectionDetection of Cytomegalovirus DNA in Human Specimens by , high cytomegalovirus nucleic acid detectionNucleic acid was extracted from 0.2 ml of each specimen by using the Qiagen (Hilden, Germany) blood kit according to the manufacturer's protocol. DNA was eluted from the column with 50 l of PCR-grade H 2 O. This procedure is also suitable for the extraction of viral DNA from urine because of the high DNA yield and the removal of PCR inhibitors .Detection of cytomegalovirus nucleic acid sequences in , high cytomegalovirus nucleic acid detectionThe Lancet Detection of cytomegalovirus nucleic acid sequences in pancreas in type 2 diabetes J.M. Lohr MD M.B.A. Oldstone MD * * Correspondence to Dr M. B. A. Oldstone Department of Neuropharmacology, Division of Virology, Scripps Clinic and Research Foundation, 10666 N Torrey Pines Road, La Jolla, California 92037, U.S.A .

Detection of human cytomegalovirus in normal and , high cytomegalovirus nucleic acid detection

Dec 23, 2010 · Human cytomegalovirus (HCMV) establishes a persistent life-long infection, and can cause severe pathology in the fetus and the immunocompromised host[1]. Breast milk is the primary route of transmission in humans worldwide, and breast epithelium is thus a likely site of persistent infection and/or reactivation, though this phenomenon has not previously been demonstrated.Detection of Cytomegalovirus DNA in Human Specimens by , high cytomegalovirus nucleic acid detectionNov 01, 2000 · Detection of human cytomegalovirus (CMV) DNA in clinical specimens is considered a cornerstone in the diagnosis of CMV disease. The aim of this study was to evaluate a newly designed LightCycler-based quantitative CMV PCR. Specimens of human origin ( n = 200) were tested using the LightCycler PCR, the quantitative COBAS AMPLICOR CMV MONITOR (CACM) assay, and a Distinguishing Cytomegalovirus (CMV) Infection and Disease , high cytomegalovirus nucleic acid detectionMay 01, 2002 · Human cytomegalovirus (CMV) continues to be a significant cause of morbidity and mortality among transplant recipients. Molecular assays have been developed for the detection and quantification of CMV nucleic acid. In evaluating the clinical utility of these assays, correlations with clinical outcome are essential. The Amplicor CMV Monitor and NucliSens CMV pp67 tests were

EP0803578A2 - Kit for amplification and detection of , high cytomegalovirus nucleic acid detection

The present invention relates to two primers for amplifying a cytomegalovirus (CMV) nucleic acid suitable for a nucleic acid sequence-based amplification (NASBA) using a DNA-dependent RNA polymerase, a first primer containing a promoter sequence and a nucleic acid sequence consisting of at least fifteen continuous bases selected from the nucleic acid sequence of SEQ ID NO:1; a second primer , high cytomegalovirus nucleic acid detectionPerkinElmer SARS-CoV-2 Nucleic Acid Detection Kit RUO , high cytomegalovirus nucleic acid detectionSensitive & Specific Nucleic Acid-based Detection of 2019-nCoV ORF1ab and N Genes. The PerkinElmer ® SARS-CoV-2 Nucleic Acid Detection kit (RUO) has a limit of detection 20 copies/mL for the SARS-CoV-2 ORF1ab and N genes. It does not show cross reactivity with common respiratory tract pathogens and blood stream pathogens including:Distinguishing Cytomegalovirus (CMV) Infection and Disease , high cytomegalovirus nucleic acid detectionDistinguishing Cytomegalovirus (CMV) Infection and Disease with CMV Nucleic Acid Assays Article (PDF Available) in Journal of Clinical Microbiology 40(5):1581-6 · June 2002 with 28 Reads

(PDF) Automated Nucleic Acid Extraction Systems for , high cytomegalovirus nucleic acid detection

Nucleic acid extraction and amplification systems for the detection of cytomegalovirus and Epstein-Barr virus Advertisement Available via license: CC BY-NC 4.0New Coronavirus (2019-nCoV) Nucleic Acid Detection Kit , high cytomegalovirus nucleic acid detectionPerkinElmer New Coronavirus Nucleic Acid Detection Kit authorized under FDA EUA. The PerkinElmer New Coronavirus Nucleic Acid Detection Kit is a real-time RT-PCR test intended for the qualitative detection of nucleic acid from SARS-CoV-2 in human oropharyngeal and Clinical Diagnostic Testing for Human Cytomegalovirus , high cytomegalovirus nucleic acid detectionAn approved in vitro diagnostic assay confirmatory nucleic acid amplification test was required to establish a system for routine newborn CMV in Japan. As part of the assays evaluation, universal screening by nucleic acid amplification was compared with data from a

detection of cytomegalovirus nucleic acid and mycoplasma , high cytomegalovirus nucleic acid detection

HCMC nucleic acid was detected by real-time fluorescent Polymerase Chain Reaction (PCR) with cytomegalovirus nucleic acid quantitative detection kit (Da An, Zhong Shan, Guang Dong, China), and Ribonucleic Acid (RNA) thermostatic amplification technology was used to detect MP nucleic acid with MP nucleic acid detection kit (Ren Du, Shanghai , high cytomegalovirus nucleic acid detection555 Identification of MicroorganismsIdentification of Microorganisms Using Nucleic Acid Probes Table of Contents , high cytomegalovirus nucleic acid detection 0115U Respiratory infectious agent detection by nucleic acid (DNA and RNA), 18 viral types , high cytomegalovirus nucleic acid detection 87495 Infectious agent detection by nucleic acid (DNA or RNA); cytomegalovirus, direct probeDetection of late pp67-mRNA by NASBA in peripheral blood , high cytomegalovirus nucleic acid detectionObjective: To evaluate the value of late-pp67-mRNA nucleic acid sequence-based amplification (NASBA) in comparison to DNA-PCR, blood culture and pp65-antigenemia assay for the detection of human cytomegalovirus (HCMV) disease in HIV-infected patients.Methods: The results of pp67-mRNA NASBA, DNA-PCR, culture and pp65-antigenemia assay were compared in 402 whole blood

COBAS® AmpliPrep /COBAS® TaqMan® CMV Test

The COBAS ® AmpliPrep/COBAS ® TaqMan ® CMV Test is an in vitro nucleic acid amplification test for the quantitation of cytomegalovirus DNA in human plasma using the COBAS ® AmpliPrep Instrument for automated specimen processing and the COBAS ® TaqMan ® Analyzer or COBAS ® TaqMan ® 48 Analyzer for automated amplification and detection. The test can quantitate CMV DNA Nucleic acid detection based on the use of microbeads: a , high cytomegalovirus nucleic acid detectionApr 11, 2014 · Microbead-based technologies represent elegant and versatile approaches for highly parallelized quantitative multiparameter assays. They also form the basis of various techniques for detection and quantification of nucleic acids and proteins. Nucleic acid-based methods include hybridization assays, solid-phase PCR, sequencing, and trapping assays.Comparison of QIAGEN Automated Nucleic Acid Extraction , high cytomegalovirus nucleic acid detectionWe examined the effect of nucleic acid extraction methods on the analytic characteristics of a quantitative polymerase chain reaction (PCR) assay for cytomegalovirus (CMV). Human serum samples were extracted with 2 automated instruments (BioRobot EZ1 and QIAsymphony SP, QIAGEN, Valencia, CA) and CMV PCR results compared with those of pp65 , high cytomegalovirus nucleic acid detection

Automated Nucleic Acid Extraction Systems for

Background: Cytomegalovirus (CMV) and Epstein-Barr virus (EBV) are increasingly impor-tant in immunocompromised patients. Nucleic acid extraction methods could affect the results of viral nucleic acid amplification tests. We compared two automated nucleic acid extraction systems for detecting CMV and EBV using real-time PCR assays.High-throughput pathogen detection using a novel the extraction and detection workflow. Total nucleic acid isolation Samples were thawed on ice, and total nucleic acid was extracted using the Applied Biosystems MagMAX Viral/ Pathogen Ultra Nucleic Acid Isolation Kit, in batches of up to 96 samples. The enzyme mix was added to 200400 µLInstructions for PerkinElmer® New Coronavirus Nucleic Acid , high cytomegalovirus nucleic acid detectionnucleic acid detection primer and probe sequences (Specific Primers and Probes for Detection Novel coronavirus 2019) [EB / OL]., 2020-01 -21. Revision history: Publication Number v1.0

Nucleic acid hybridization and amplification method for , high cytomegalovirus nucleic acid detection

Apr 04, 1995 · A method of detection of nucleic acid (DNA or RNA) target sequence in which such a sequence serves as a cofactor for a catalytic reaction in which a complementary, labeled nucleic acid probe is cleaved such that the target sequence is released intact and can repeatedly recycle through the reaction pathway, thereby providing signal amplification.Cytomegalovirus Antiviral Resistance Testing: A New Assay , high cytomegalovirus nucleic acid detectionMay 13, 2019 · Cytomegalovirus, or CMV, is a common cause of disease in the transplant population. , high cytomegalovirus nucleic acid detection so there is a high seroprevalence. Because it is a member of the Herpesviridae family, , high cytomegalovirus nucleic acid detection molecular detection of CMV nucleic acid in clinical specimens (e.g., using real-time PCR) has become a common approach. In addition to qualitative detection of the , high cytomegalovirus nucleic acid detectionAutomated Nucleic Acid Extraction Systems for Background: Cytomegalovirus (CMV) and Epstein-Barr virus (EBV) are increasingly impor-tant in immunocompromised patients. Nucleic acid extraction methods could affect the results of viral nucleic acid amplification tests. We compared two automated nucleic acid extraction systems for detecting CMV and EBV using real-time PCR assays.

High-throughput pathogen detection using a novel

the extraction and detection workflow. Total nucleic acid isolation Samples were thawed on ice, and total nucleic acid was extracted using the Applied Biosystems MagMAX Viral/ Pathogen Ultra Nucleic Acid Isolation Kit, in batches of up to 96 samples. The enzyme mix was added to 200400 µLInstructions for PerkinElmer® New Coronavirus Nucleic Acid , high cytomegalovirus nucleic acid detectionnucleic acid detection primer and probe sequences (Specific Primers and Probes for Detection Novel coronavirus 2019) [EB / OL]., 2020-01 -21. Revision history: Publication Number v1.0Nucleic acid hybridization and amplification method for , high cytomegalovirus nucleic acid detectionApr 04, 1995 · A method of detection of nucleic acid (DNA or RNA) target sequence in which such a sequence serves as a cofactor for a catalytic reaction in which a complementary, labeled nucleic acid probe is cleaved such that the target sequence is released intact and can repeatedly recycle through the reaction pathway, thereby providing signal amplification.

Cytomegalovirus Antiviral Resistance Testing: A New Assay , high cytomegalovirus nucleic acid detection

May 13, 2019 · Cytomegalovirus, or CMV, is a common cause of disease in the transplant population. , high cytomegalovirus nucleic acid detection so there is a high seroprevalence. Because it is a member of the Herpesviridae family, , high cytomegalovirus nucleic acid detection molecular detection of CMV nucleic acid in clinical specimens (e.g., using real-time PCR) has become a common approach. In addition to qualitative detection of the , high cytomegalovirus nucleic acid detectionComparison of automated nucleic acid extraction methods , high cytomegalovirus nucleic acid detectionTesting for cytomegalovirus (CMV) DNA is increasingly being used for specimen types other than plasma or whole blood. However, few studies have investigated the performance of different nucleic acid extraction protocols in such specimens. In this study, CMV extraction using the Cell-free 1000 and Pathogen Complex 400 protocols on the QIAsymphony Sample Processing (SP) system were Nucleic AcidBased Identification Methods for Infectious , high cytomegalovirus nucleic acid detectionNucleic acidbased tests are qualitative, but quantification methods exist for a limited but increasing number of infections (eg, HIV, cytomegalovirus, human T-cell lymphotropic virus); these methods can be useful for diagnosis and for monitoring response to treatment.

RCPA - Cytomegalovirus detection

Immunostaining or nucleic acid probe detection of CMV early antigens (all specimen types). Nucleic acid probe following amplification (all specimen types). Immunostaining or IF on slide preparations of polymorphonuclear leucocytes (blood), also known as the pp65 antigenaemia assay.Detection of human cytomegalovirus (HCMV) pp67 To evaluate the performance of the recently introduced method based on detection of human cytomegalovirus (HCMV) pp67 mRNA in blood by the nucleic acid sequence-based amplification (NucliSens), in comparison to semiquantitative detection of pp65 HCMV antigen in white blood cells, in relation to development of clinical HCMV disease.Testing for Human Metapneumovirus (hMPV) Using Nucleic , high cytomegalovirus nucleic acid detectionSPECIAL CONTROLS DOCUMENT. Class II Special Controls Guidance Document: Testing for Human Metapneumovirus (hMPV) Using Nucleic Acid Assays - Guidance

Molecular Approaches to Diagnosing and Managing

Commercial kits for the molecular detection and identification of infectious pathogens have provided a degree of standardization and ease of use that has facilitated the introduction of molecular diagnostics into the clinical microbiology laboratory ().The use of nucleic acid probes for identifying cultured organisms and for direct detection of organisms in clinical material was the first , high cytomegalovirus nucleic acid detectionRapid detection of cytomegalovirus infection in transplant , high cytomegalovirus nucleic acid detectionRapid detection of cytomegalovirus infection in transplant patients. , high cytomegalovirus nucleic acid detection PCR for CMV DNA, hybrid capture assay for CMV DNA and detection of CMV RNA by nucleic acid sequence-based amplification. The low sensitivity and low reproducibility of conventional cell culture and shell vial assays limit their role in the management of CMV infection to , high cytomegalovirus nucleic acid detectionA Practical Review of Cytomegalovirus in Gastroenterology , high cytomegalovirus nucleic acid detectionHuman cytomegalovirus (CMV) is a ubiquitous Herpesviridae virus with a wide spectrum of pathology in humans. Host immunity is a major determinant of the clinical manifestation of CMV and can vary widely in the gastroenterology and hepatology practice setting. Immunocompetent patients generally develop a benign, self-limited mononucleosis-like syndrome whereas gastrointestinal tissue-invasive , high cytomegalovirus nucleic acid detection

Policy for Priority Result Reporting - Quest Diagnostics

stain, antigen or nucleic acid detection . All . Positive : Respiratory syncytial virus (RSV), culture, antigen or nucleic acid detection 3 y. Positive : Rotavirus, antigen test All Positive SARS-CoV-2 . All . Positive or Inconclusive Shiga Toxin, EIA or nucleic acid detection

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