Fluorescent microscopy image of an apoptosis assay

Many different approaches are used in the study of programmed cell death, or apoptosis. Cell death cascades are complex and dynamic, underscoring the importance of a multi-parametric approach for accurate assessment. This page features application notes, webinars and other useful educational resources to help you navigate the complex world of apoptosis research.

Apoptosis features

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    The meaning of life at the cellular level: detecting apoptosis with fluorescence

    In this webinar, Thermo Fisher Scientific scientists will demonstrate several solutions using fluorescent probes to study key components of the apoptotic machinery.

    Signaling pathways

    schematic of the different cellular apoptosis signaling pathways

    Apoptosis pathways

    Find information about the numerous and complex signaling pathways involved in the process of apoptosis including pathway schematics and overviews.

    BioProbes articles

    Dot plots of three cellevent caspase stained cell populations-viable cells, necrotic cells and apoptotic cells

    Journal club: measurement and characterization of apoptosis by flow cytometry

    This journal club provides a review of a recently published methods chapter in Current Protocols by Telford and coauthors that offers detailed protocols for several methods to measure and characterize apoptosis using multiparametric flow cytometry. The article provides basic theory discussions, detailed reagent listings, step-by-step procedures, and guidance on analysis methods, while also identifying critical items to consider when performing these assays.

    Fluorescent microscopy image of a Click-iT Plus TUNEL assay

    Multiplexable Click-iT Plus TUNEL Assays for in situ apoptosis detection

    Here we describe the limitations of conventional TUNEL assays and introduce the Click-iT Plus TUNEL Assays for In Situ Apoptosis Detection. Click-iT Plus technology enables you to perform specific and sensitive TUNEL assays that can be multiplexed with other fluorescence-based cell function assays, including those that incorporate fluorescent proteins and a variety of dyes.


    Apoptosis learning resources

    TypeTitleCategories
    Application note (2011)Apoptosis detection: Apoptosis assays for the Attune Acoustic Focusing CytometerAlexa Fluor, apoptosis, Attune/Attune NxT, cell structure-mitochondria, cell structure-plasma membrane, flow cytometer/flow cytometry, fluorescent dyes
    Application note (2013)Multiplexed mitosis and apoptosis analysis antibodies, apoptosis, ArrayScan, cell cycle, cell proliferation, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis, microplate reader, particles
    Application note (2014)Elucidating the mechanism of cell death through the use of high content analysis apoptosis, autophagy, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis
    Application note (2015)Fluorescent apoptosis evaluation on the Countess II FL Automated Cell Counterapoptosis, automated cell counter, cell counting, Countess, EVOS, fluorescent dyes, viability
    BioProbes articles (Issues 50– present day)BioProbes Journal of Cell Biology Applicationcell analysis, flow cytometry, imaging microscopy, immunoassays, antibodies, protein detection and quantification
    Molecular Probes HandbookAssays for apoptosis and autophagy—Section 15.5apoptosis, autophagy, fluorescent dyes, fluorescence microscopy/fluorescence imaging, flow cytometer/flow cytometry
    ProtocolPharmacological induction of apoptosis with camptothecincell vitality, flow cytometry, high content analysis, imaging, microplate, apoptosis
    Scientific poster (2006)Utility of 405 nm-excitable dyes in high content screening using an Acumen Explorer Microplate Cytometer Acumen Explorer, apoptosis, cell cycle, cell health, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis, microplate reader, violet laser-excited reagents
    Scientific poster (2008)Characterization of DNA content, cyclin B1 and phosphorylated histone H3 with direct S-phase using EDU incorporation in multiparameter testing of cell lines with cell cycle blocking agents Alexa Fluor, antibodies, apoptosis, ArrayScan, cell cycle, cell proliferation, Click-iT, flow cytometer/flow cytometry, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis
    Scientific poster (2008)Novel Click-IT TUNEL Assay for detection of cell death Alexa Fluor, antibodies, apoptosis, Click-iT, cytotoxicity, fluorescence microscopy/fluorescence imaging, fluorescent dyes, gel electrophoresis, high content analysis, immunocytochemistry (ICC), viability
    Scientific poster (2009)A non-radioactive method for detecting nascent protein synthesis by high-content imaging utilizing click chemistry Alexa Fluor, apoptosis, ArrayScan, Click-iT, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis, microplate reader, protein detection
    Scientific poster (2009)A simple, fast and quantitative single-step dead-cell indicator for flow cytometry apoptosis, flow cytometer/flow cytometry, fluorescent dyes, multicolor flow cytometry, nucleic acid quantitation, viability
    Scientific poster (2009)Dead cell stains in flow cytometry: A comprehensive analysisapoptosis, flow cytometer/flow cytometry, fluorescent dyes, immunophenotyping, viability
    Scientific poster (2009)Click chemistry-based assays for fluorescence microscopy and high content imaging Alexa Fluor, apoptosis, Click-iT, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis, nucleic acid detection, protein detection, viability
    Scientific poster (2010)Simultaneous analysis of cell death mechanisms and oxidative stress using Molecular Probes next generation reagents for imaging and flow cytometry apoptosis, autophagy, caspase substrates, flow cytometry/flow cytometer, fluorescence microscopy/fluorescence imaging, fluorescent dyes, live-cell imaging, oxidative stress
    Scientific poster (2010)Acoustic focusing cytometry: Sensitivity and throughput apoptosis, Attune/Attune NxT, cell cycle, flow cytometer/flow cytometry, fluorescent dyes, immunophenotyping, phagocytosis
    Scientific poster (2010)Simultaneous analysis of cell death mechanisms and oxidative stress using live cell fluorescence microscopy apoptosis, ArrayScan, BacMam technology, caspase substrates, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis, live-cell imaging, microplate reader, oxidative stress
    Scientific poster (2011)Simultaneous analysis of cell death mechanisms and oxidative stress using high content imaging Alexa Fluor, antibodies, apoptosis, ArrayScan, autophagy, caspase substrates, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis, microplate reader, oxidative stress
    Scientific poster (2011)Validation of high content imaging and analysis assays for cell health and cytotoxicity antibodies, apoptosis, ArrayScan, autophagy, caspase substrates, cell health, cell proliferation, CellLight, Click-iT, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis, microplate reader, pH detection
    Scientific poster (2011)The next generation of cell-based imaging assays for apoptosis, autophagy and oxidative stress from Molecular Probes Alexa Fluor, antibodies, apoptosis, ArrayScan, autophagy, caspase substrates, fluorescence microscopy/fluorescence imaging, fluorescent dyes, high content analysis, microplate reader, oxidative stress
    Scientific poster (2013)Cell-based measurements of oxidative stress with a new near infrared emitting probe for reactive oxygen species: Applications for multiplexed evaluation of cell health apoptosis, ArrayScan, caspase substrates, cell health, flow cytometer/flow cytometry, fluorescence microscopy/fluorescence imaging, fluorescent dyes, fluorescent proteins, high content analysis, microplate reader, oxidative stress
    Scientific poster (2015)Colorimetric dual labeled EdU/BrdU technology demonstrates contextual information and dynamics of proliferation in tissue apoptosis, brightfield microscopy, cell proliferation, Click-iT, brightfield microscopy, fluorescence microscopy/fluorescence imaging, immunohistochemistry (IHC)
    Scientific poster (2015)Visualizing the life and death of cells: novel probes and platforms apoptosis, ArrayScan, autophagy, cell death, CellInsight, fluorescence microscopy/fluorescence imaging, high content analysis
    Scientific poster (2016)Click colorimetric EdU proliferation and TUNEL: Click chemistry for brightfield microscopy apoptosis, brightfield microscopy, cell proliferation, Click-iT, brightfield microscopy, fluorescence microscopy/fluorescence imaging, immunohistochemistry (IHC)
    VideoCellEvent Caspase 3/7 reagent and apoptosis detection  
    HeLa cells were loaded with 50 nM TMRM (red) followed by 5 μM CellEvent Caspase 3/7 Substrate (green). Cells were then treated with 0.5 μM staurosporine to induce apoptosis. TMRM detects the mitochondrial membrane potential and the signal disappears as the apoptosis onsets. CellEvent detects apoptosis, with green signal.
    apoptosis, cell health, CellEvent, fluorescence microscopy/fluorescence imaging, live-cell imaging
    VideoClick-iT Plus TUNEL apoptosis assays  
    The Click-iT Plus TUNEL assay detects apoptotic cells in tissue and cultured cell samples through the use of a small, highly specific labeling moiety and a bright fluorescent dye. After incorporation of the labeling moiety into DNA fragments, detection is achieved through a catalyzed "click" reaction using conditions mild enough to preserve the fluorescent signal from GFP or RFP.
    apoptosis, Click-iT, fluorescence microscopy/fluorescence imaging
    VideoTime-lapse of cell migration and apoptosis during angiogenesis  
    Angiogenesis pseudo-tube formation and apoptosis shown with time-lapse imaging. The time-lapse images were captured and assembled using an EVOS FL Auto Imaging System equipped with the EVOS Onstage Incubator.
    angiogenesis, apoptosis, EVOS FL Auto Microscope, fluorescence microscopy/fluorescence imaging, live-cell imaging, onstage incubator
    WebinarThe meaning of life at the cellular level: detecting apoptosis with fluorescence  
    In this webinar, Thermo Fisher Scientific scientists will demonstrate several solutions using fluorescent probes to study key components of the apoptotic machinery. The presentation includes: An overview of the features of apoptosis Key parameters that can be measured to assay apoptosis A comprehensive guide to available labeling and detection technologies for apoptosis research Tips and tricks to best implement those technologies
    apoptosis, caspase substrates, fluorescence microscopy/fluorescence imaging, fluorescent proteins
    WebinarAn introduction to flow cytometric analysis, Part 2: Cell viability and apoptosis analysis
    In this free webinar, we will discuss flow cytometric analysis of apoptosis and identification of dead cells. Changes introduced by apoptosis can be tested with numerous assays measuring Membrane structure, Mitochondrial function, Metabolism, Caspase activity, Membrane integrity, and DNA fragmentation. We will also discuss dead cell identification using traditional impermeant nucleic acid dyes.
    apoptosis, cell cycle, cell proliferation, flow cytometer/flow cytometry, multicolor flow cytometry, viability
    WebinarAn introduction to flow cytometric analysis, Part 1: Cell proliferation analysis  
    In this 2-part series, we will give an overview of tools and techniques using Invitrogen reagents for flow cytometric analysis of cell proliferation, viability, vitality, and apoptosis.
    apoptosis, cell cycle, cell proliferation, flow cytometer/flow cytometry, multicolor flow cytometry, viability
    Application note (2017)Flow cytometry analysis of dose response for apoptosis inductionapoptosis, Attune/Attune NxT, cancer, flow cytometer/flow cytometry, Autosampler, cell toxicity, CellEvent Caspase-3/7 Green
    ProtocolsAnnexin V staining protocol for flow cytometry (Invitrogen eBioscience reagents)Apoptosis, flow cytometry
    Scientific poster (2018)Fluorescent hypoxia sensor for flow cytometryApoptosis, Attune/Attune NxT, brightfield microscopy, EVOS, flow cytometry, hypoxia, immunology
    Scientific poster (2013)Monitor caspase 3/7 activity without cell fixation: A novel apoptosis reagentAlexa Fluor, apoptosis, Attune, Attune NxT, caspase substrates, cells, fluorescent dyes, multicolor flow cytometry, flow cytometry
    Scientific poster (2006)Novel violet-excited reagents for detection of viability and vitalityAlexa Fluor, cell health, CellTrace, flow cytometry, fluorescent dyes, viability, violet laser-excited reagents
    CYToMORE lecture video (2016)Novel reagent solutions for flow cytometry
    Presented by Jolene Bradford, Thermo Fisher Scientific, USA
    Attune NxT, flow cytometry assays

    Resources

    Tools

    Fluorescence SpectraViewer—This is an online tool for the visualization of the excitation and emission of fluorescent reagents. This tool allows for checking spectral compatibility for multiple fluorophores.

    Flow Cytometry Panel Builder—Design your flow cytometry panel with this online tool for a simplified, customizable experience to fit your needs.

    For Research Use Only. Not for use in diagnostic procedures.