Siv Research
Siv Research - Related Videos
04:25
A Peptide-MHC-I Tetramer Staining Technique to Analyze SIV-Specific CD8+ Memory T Cells
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2025
This video demonstrates a method for characterizing CD8+ memory T cells specific to simian immunodeficiency virus (SIV) using peptide-major histocompatibility complex class I (pMHC-I) tetramers. A pMHC-I tetramer is a complex of four MHC-I molecules bound to SIV-specific peptides and conjugated to a fluorophore. These tetramers selectively bind to T cell receptors (TCRs) on SIV-specific CD8+ T cells, facilitating the characterization of these cells.
08:04
Cytotoxic Efficacy of Photodynamic Therapy in Osteosarcoma Cells In Vitro
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Cited by 8 •
2014
The protocol reported here allows the evaluation of the efficacy of photodynamic therapy (PDT) in cell lines and the optimization of the PDT settings before applying the therapy in animal models.
09:20
Investigating the Effects of Probiotics on Pneumococcal Colonization Using an In Vitro Adherence Assay
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Cited by 8 •
2014
In vitro adherence assays can be used to study the attachment of Streptococcus pneumoniae to epithelial cell monolayers and to investigate potential interventions such as the use of probiotics for inhibiting pneumococcal colonization.
20:47
A Technique to Simultaneously Visualize Virus-Specific CD8+ T Cells and Virus-Infected Cells In situ
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Cited by 10 •
2009
A technique combining in situ tetramer staining and in situ hybridization (ISTH) enables visualization, mapping and analysis of the spatial proximity of virus-specific CD8+ T cells to their virus-infected targets, and determination of the quantitative relationships between these immune effectors and targets to infection outcomes.
08:37
In Situ MHC-tetramer Staining and Quantitative Analysis to Determine the Location, Abundance, and Phenotype of Antigen-specific CD8 T Cells in Tissues
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Cited by 11 •
2017
Here, we describe a method that combines in situ MHC-tetramer staining with immunohistochemistry to determine localization, phenotype, and quantity of antigen-specific T cells in tissues. This protocol is used to determine the spatial and phenotypic characteristics of antigen-specific CD8 T cells relative to other cell type and structures in tissues.
FAQs
Reverse transcription and genome integration create the genetic basis for long-term viral activity. SIV converts its RNA genome into DNA and inserts that DNA into a host-cell genome. The integrated form can direct production of additional viral particles through host machinery. Studying these stages helps researchers connect viral replication with persistence and identify points relevant to control strategies.
Both viral and host genetic factors can influence infection and disease progression, so examining only one side gives an incomplete picture. Viral genes affect how the virus operates, whereas host genetic variation can shape cellular responses and immune control. Considering them together helps researchers investigate why infections produce different outcomes and how genetic factors contribute to pathogenicity.
SIV studies connect changes and variation in viral genes with infection-related outcomes. This genetic perspective supports investigation of how viruses evolve, how transmission is associated with viral and host factors, and why some infections become more harmful. The resulting comparisons help place viral genetics, host responses, and disease progression within the same research framework.
Infections of nonhuman primates provide models in which researchers can examine viral genetics, host responses, and disease-related processes together. These models support investigation of immune-control mechanisms and pathogenicity in an AIDS-related context. Their findings can also inform HIV vaccine development and other approaches intended to prevent or control persistent infection.
A genetics-focused investigation considers viral genes alongside host genetic variation and relates them to infection, immune control, or disease progression. This approach can organize research around how genetic factors influence the interaction between virus and host. It is especially useful when the goal is to study transmission, pathogenicity, viral evolution, or differences in infection outcomes.
SIV research provides genetic and biological context for evaluating strategies directed at related AIDS-causing infections. Studies of viral genes, host responses, immune control, and pathogenicity can guide questions about vaccine protection and antiviral activity. The same research also supports efforts to prevent or control persistent infection, making it relevant to both prevention and treatment-oriented investigations.