Neutrophil Subtypes
Neutrophil Subtypes - Related Videos
14:40
Expression Analysis of Mammalian Linker-histone Subtypes
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Cited by 22 •
2012
We describe a set of assays to analyze expression levels of H1 linker histones. mRNA of individual H1 genes are quantitatively measured by random primer based reverse transcription followed by real-time PCR, whereas protein quantification of H1 histones is achieved by HPLC analysis.
06:42
Subtype-selective Electroporation of Cortical Interneurons
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Cited by 13 •
2014
This procedure shows how to target interneurons in the developing mouse forebrain by means of in utero electroporation. This technique was particularly efficient to achieve selective gene expression in interneuron subtypes destined to the superficial layers of the cortex.
04:32
Induction and Visualization of Neutrophil Extracellular Traps in Pre-Labeled Neutrophils
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2025
This video demonstrates the induction and visualization of neutrophil extracellular traps or NETs in pre-labeled neutrophils using patient serum containing anti-neutrophil cytoplasmic antibodies. Furthermore, using an impermeable DNA dye and fluorescence microscopy enables the visualization of NETs.
07:12
Neutrophil Isolation Protocol
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Cited by 173 •
2008
Neutrophils are among the first cells to arrive on the site of inflammatory immune response, and their functions and mechanisms have been studied extensively in vitro. We demonstrate a standard density gradient separation method to isolate human neutrophils from whole blood using commercially available separation media.
03:20
Identification of Mouse Retinal Ganglion Cell Subtypes Through Fluorescent Tracing
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2025
Source: Laboissonniere, et. al. Single-cell RNA-Seq of Defined Subsets of Retinal Ganglion Cells. J. Vis. Exp. (2017). This video demonstrates a fluorescent tracing technique to identify retinal ganglion cell (RGC) subtypes in a transgenic mouse retina. The process involves securing the isolated retina in a recording chamber, maintaining cell viability with oxygenated perfusion, and targeting fluorescently labeled RGCs using a pipette with a tracer. By analyzing dendritic morphology and...
FAQs
Neutrophil development in the bone marrow generates populations with different maturation states before they enter tissues or respond to infection. These developmental differences can influence lifespan, surface-marker expression, migration, and antimicrobial activity. Examining maturation therefore helps researchers distinguish whether a subtype reflects developmental origin, later environmental conditioning, or both, which is important when interpreting immune responses.
Surface markers provide measurable features for separating neutrophil populations, while lifespan indicates how long those populations may remain active in circulation or tissues. Considering both characteristics prevents subtype analysis from relying on a single feature. Together, they can help relate a population's developmental state to its persistence and potential contribution to antimicrobial defense or inflammation.
Local cytokines and microbial products can modify neutrophil activity after cells encounter an inflammatory or infectious environment. These signals may change migration, phagocytosis, degranulation, reactive oxygen species production, or neutrophil extracellular trap formation. As a result, populations with related developmental backgrounds may display different functional profiles depending on the signals present at the site of infection or tissue injury.
The most informative comparisons examine how populations migrate, engulf microbes, release granule contents, produce reactive oxygen species, and form neutrophil extracellular traps. These activities represent different parts of antimicrobial defense and can also indicate inflammatory potential. A subtype profile becomes more meaningful when several functions are considered together rather than treating one measured activity as a complete description.
Researchers can characterize populations by integrating maturation state, surface markers, lifespan, and immune activities. Functional measurements may include migration, phagocytosis, degranulation, reactive oxygen species production, and extracellular trap formation. Comparing these features across conditions helps determine whether infection or local signals are associated with distinct neutrophil profiles and clarifies how those populations participate in host defense.
Subtype profiles can show how neutrophil populations are associated with different stages or conditions of an immune response to microbes. Differences in migration, phagocytosis, degranulation, reactive oxygen species, or extracellular trap formation may indicate how host cells respond to microbial products. This information helps connect neutrophil behavior with effective antimicrobial defense, persistent inflammation, or tissue injury.
Distinct subtype profiles may provide biomarkers that reflect immune activity, disease-associated inflammation, or responses to infection. They also identify populations whose activity could be modulated when neutrophil responses become damaging. This relevance is clinically and experimentally important because the same broad antimicrobial system can support host protection while contributing to persistent inflammation and tissue injury.