Interleukin-2 Stimulation
Interleukin-2 Stimulation - Related Videos
03:33
Evaluating the Effects of Fecal Microbiota Transplantation in an Interleukin-10 Deficient Mouse
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2025
This video demonstrates a procedure of fecal microbiota transplantation in an interleukin-10 deficient mouse with colon inflammation. Colonized fecal microbes in the gut release secondary metabolites, eliciting anti-inflammatory cytokine release and reducing colon inflammation.
04:31
In Vitro Stimulation and Visualization of Macrophage Extracellular Traps
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2025
This video demonstrates in vitro stimulation of macrophage extracellular traps (METs) in human monocyte-derive macrophages using different inflammatory stimuli such as TNF-alpha, PMA, and HOCL. The video also demonstrates the method of SYTOX dye staining of METs for visualization.
11:02
Combining Transcranial Magnetic Stimulation and fMRI to Examine the Default Mode Network
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Cited by 17 •
2010
In this article, we examine the methodology and considerations relevant to the combination of TMS and fMRI to examine the effects of brain stimulation on the default network.
08:29
A Cardiac Microphysiological System for Studying Ca2+ Propagation via Non-genetic Optical Stimulation
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Cited by 3 •
2025
Using light to control cardiac cells and tissue enables non-contact stimulation, thereby preserving the natural state and function of the cells, making it a valuable approach for both basic research and therapeutic applications.
08:43
Microinjection of Interleukin-6 into the Bloodstream of TSC Zebrafish Larvae to Study Neuropsychiatric Disorder-Like Behaviors
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2026
To model how inflammatory signals influence neurodevelopment in genetically susceptible organisms, we present a protocol for microinjecting IL-6 into the duct of Cuvier (common cardinal vein) of zebrafish larvae, enabling controlled induction of inflammation and assessment of its developmental impact in the context of tuberous sclerosis complex (TSC).
FAQs
IL-2 signaling depends on assembly of its high-affinity receptor from CD25, CD122, and CD132. After ligand binding, receptor-associated JAK kinases activate STAT5, a transcriptional regulator that changes gene expression and supports cell-cycle entry. This molecular sequence connects cytokine exposure to measurable lymphocyte expansion and altered functional responses in experimental cultures.
Concentration and exposure time provide experimental control over whether observed changes reflect intended stimulation or nonspecific effects. These variables can alter the balance among lymphocyte proliferation, survival, and functional responses. Researchers therefore compare outcomes with the stimulation conditions in view, especially when deciding whether an activated population reflects the desired biological response.
STAT5 activation links receptor engagement to changes inside the cell rather than stopping at the cell surface. By altering gene expression, this pathway supports cell-cycle entry and helps explain why IL-2 exposure can produce expanded lymphocyte populations as well as changes in their functional state.
The basic workflow is to expose a selected immune-cell population to IL-2 under a defined concentration and exposure period. The culture can then be directed toward expanding antigen-responsive T cells or maintaining activated T cells and natural killer cells. Keeping the conditions controlled makes resulting phenotypes and functional measurements easier to interpret.
Cell type determines the experimental purpose. Antigen-responsive T cells may be expanded for later study, whereas activated T cells or natural killer cells may be maintained for continued analysis. This distinction matters in immunology and infection research because the same cytokine stimulus can support different cell populations and readouts without implying identical biological behavior.
Applications extend beyond measuring cell number. Investigators use IL-2-stimulated cells in phenotyping and functional assays, in host-pathogen studies, and in cellular immunotherapy research. The resulting populations can provide material for examining immune-cell characteristics or responses, while controlled stimulation helps separate effects associated with the experimental condition from nonspecific activation.