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Chiasma Counting in Maize Male Meiocytes

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    A Rigorous Quantitative Approach to Analyzing Phagocytosis Assays
    Authors:  Michael D. Caponegro, Kaitlyn Koenig Thompson, Maryam Tayyab and Stella E. Tsirka, date: 08/05/2020, view: 525, Q&A: 0
    Studying monocytic cells in isolated systems in vitro contributes significantly to the understanding of innate immune physiology. Functional assays produce read outs which can be used to measure responses to selected stimuli, such as ...
    Cellular Retention Assay to Determine the Interaction Frequency of CD19-directed Chimeric Antigen Receptor (CAR) Engineered Cells against CD19+ Leukemic Cells
    Authors:  Marvin I. De los Santos and Samuel D. Bernal, date: 09/05/2019, view: 1625, Q&A: 0
    Cancer recognition by chimeric antigen receptor T (CAR-T) cell is prerequisite for cancer killing to occur. Anomalies in the binding specificity of scFv in the CAR construct may prevent successful eradication of these cancer cells. In some cases, ...
    Protein- and Sequencing-based Massively Parallel Single-cell Approaches to Gene Expression Profiling
    Authors:  Xuhuai Ji, Igor Goncharov, Miao Zhao, Molly Miranda and Holden T. Maecker, date: 02/05/2019, view: 4307, Q&A: 0
    Understanding cellular diversity and dynamics in immune cells are critical for elucidating mechanisms of diagnosis, response to therapeutics, and patient prognosis. Our goal is to apply a technically simple approach for gene expression cytometry ...
    Ty1 Retrotransposition Frequency Assay Using a Chromosomal Ty1his3AI or Ty1kanMXAI Element
    Author:  M. Joan Curcio, date: 09/05/2018, view: 2672, Q&A: 0
    Here I describe a simple genetic assay to determine the frequency of retrotransposition of a single chromosomal Ty1 element that is marked with the retrotransposition indicator gene, his3AI or kanMXAI. The assay is used to ...
    High-throughput YO-PRO-1 Uptake Assay for P2X7 Receptors Expressed in HEK Cells
    Authors:  Akira Karasawa and Toshimitsu Kawate, date: 07/20/2018, view: 4120, Q&A: 0
    P2X7 receptors are extracellular ATP-gated ion channels that play broad physiological and pathological roles in animals (Sluyter, 2017). Activation of P2X7 receptors lead to the opening of membrane channels permeable for small cations like Na+ ...
    Quantifying Gene Expression Directly from FACS Using Hydrolysis (TaqMan) Probes on Flash-frozen Cells
    Authors:  Kirsten A. Copren, Oyang Teng, Cassandra J. Adams, Cláudia Bispo and Michael Lee, date: 04/20/2018, view: 5079, Q&A: 0
    The TaqMan Gene Expression Cells-to-CtTM Kit enables reverse transcription directly from cell lysates without the need for isolating RNA. The recommended input range for the lysis reaction is between 10-105 cells, though the ...
    Cell Proliferation Assay by Flow Cytometry (BrdU and PI Staining)
    Author:  Hui Zhu, date: 04/05/2012, view: 61108, Q&A: 2
    Cell Proliferation assays include an important set of fluorescence-based tests that can monitor cell health and cell division by evaluating DNA synthesis through thymidine incorporation. Bromodeoxyuridine (5-bromo-2'-deoxyuridine, BrdU) is a ...
    Calcium Imaging
    Author:  Mingye Feng, date: 04/05/2012, view: 32908, Q&A: 5
    This is a protocol of Ca2+ imaging experiment using Ca2+ indicator Fura-2. Ca2+ imaging is an efficient and quantitative method for measuring cytosolic and internal store Ca2+ levels, as well as their ...
    Protocol to Determine Mitotic Index by FACS
    Author:  Hui Zhu, date: 03/20/2012, view: 16874, Q&A: 0
    Fluorescence Activated Cell Sorting (FACS) is a sensitive method to count mitotic cells. Cells are stained with an antibody that recognizes an antigen present only in mitotic cells, combined with propidium iodide (PI) to stain DNA. Two-dimensional ...
    Cell Cycle Analysis and GFP Expression of Zebrafish Embryos by FACS
    Author:  Lili Jing, date: 02/20/2012, view: 15386, Q&A: 0
    Cell cycle analysis in combination of GFP expression has been well used to study the cell cycle distribution of GFP labeled cells. This protocol is a method to analyze the cell cycles of GFP marked cells from zebrafish embryos.



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