Cytomegalovirus Replication
Cytomegalovirus Replication - Related Videos
02:59
An Intracerebroventricular Injection to Analyze Murine Cytomegalovirus Distribution in a Neonatal Mouse Brain
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2025
This video demonstrates the intracerebroventricular injection process for studying murine cytomegalovirus (MCMV) distribution in the neonatal mouse brain. MCMV, engineered to express an enhanced green fluorescent protein (EGFP) for visibility, is injected into the lateral ventricle of a mouse pup's brain. The injected virus circulates through the cerebrospinal fluid, infecting cells in the periventricular region, including the marginal zone, choroid plexus, and subventricular zone.
04:05
An Immunofluorescence Method to Measure the Neutralization of Human Cytomegalovirus
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2025
Source:Matthew J Murray1, Gary R McLean2,3, Matthew B Reeves11Institute of Immunity and Transplantation, University College London.2Cellular and Molecular Immunology Research Centre, London Metropolitan University.3National Heart and Lung Institute, Imperial College London.This video demonstrates an immunofluorescence assay designed to measure the neutralization of Human Cytomegalovirus (HCMV). Virus-specific antibodies are mixed with the virus and incubated with human fibroblast cells. The...
01:27
Cytomegalovirus Disease
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2026
Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
05:53
Use of In vivo Imaging to Monitor the Progression of Experimental Mouse Cytomegalovirus Infection in Neonates
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Cited by 6 •
2013
Human Cytomegalovirus (HCMV) infection of neonates represents an important cause of mental retardation, yet the molecular events leading to virus-induced pathogenesis are still poorly understood. To investigate the dynamics of brain infection, we adapted whole-animal in vivo imaging to perform time-course analysis of neonates infected with a luciferase-recombinant virus.
02:31
Chromosome Replication
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2020
Before a cell can divide, it must accurately replicate all of its chromosomes, including the DNA and its associated histone and non-histone proteins. This process begins at numerous origins of replication during the S phase of the cell cycle in each of a cell’s chromosomes simultaneously. Certain nucleotides can act as origins of replication, but these sequences are not well defined - especially in complex, multi-cellular, eukaryotic species. The length of DNA that spans an origin of...
FAQs
Immediate-early proteins function as the first major regulatory switch after CMV delivers its DNA to the nucleus. They activate early viral genes, allowing the program to proceed toward viral DNA replication and subsequent late gene expression. This timing links the incoming genome to productive infection and provides a mechanistic focus for studying how replication progresses.
Cytomegalovirus replication depends on a defined sequence of nuclear and assembly events. Viral DNA is copied in the nucleus before newly synthesized genomes are packaged with structural proteins. A regulated assembly pathway then produces and releases infectious virions. Separating genome synthesis, packaging, and release helps researchers analyze where replication succeeds or becomes interrupted.
Immune control is closely tied to the replication state of CMV. The virus can establish lifelong latency, then reactivate when immune control weakens, connecting changes in host immunity with renewed viral production. This relationship makes replication a useful framework for examining why CMV can remain clinically relevant long after the initial infection.
Replication assays provide experimental ways to evaluate CMV replication rather than treating infection as a single undifferentiated event. In the supplied context, they support antiviral evaluation and vaccine research. Their value comes from connecting changes in the replication process with research questions about limiting viral activity or developing protective strategies.
Antiviral research can use CMV replication as the outcome framework for testing whether an intervention affects the viral program. Because replication includes genome copying, late gene expression, genome packaging, and release, studies can consider effects across multiple stages. This organization supports a more structured evaluation of antiviral activity throughout the viral process.
Within immunology and infection, CMV replication helps explain disease risk when immune control is limited. The overview links weakened immune control with reactivation and identifies congenital and opportunistic disease as important outcomes. Studying replication therefore connects viral life-cycle events with host immunity and with clinical contexts in which CMV can cause disease.