Cell Biology

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    Protocols in Current Issue
    A Mouse Infection Model with a Wildtype Salmonella enterica Serovar Typhimurium Strain for the Analysis of Inflammatory Innate Immune Cells
    Authors:  Christa Pfeifhofer-Obermair, Natascha Brigo, Piotr Tymoszuk and Günter Weiss, date: 04/05/2022, view: 362, Q&A: 0
    [Abstract]

    Salmonella enterica serovar Typhimurium (S. Typhimurium) is a Gram-negative, facultative intracellular bacterium, which causes gastrointestinal disorders in humans, and systemic, typhoid fever-like infections in mice. Our current knowledge regarding the involvement of cellular and humoral immunity in the defense from S. Typhimurium infections is

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    Single-cell Damagenome Profiling by Linear Copying and Splitting based Whole Genome Amplification (LCS-WGA)
    Authors:  Yichi Niu, Qiangyuan Zhu and Chenghang Zong, date: 03/20/2022, view: 515, Q&A: 0
    [Abstract]

    Spontaneous DNA damage frequently occurs on the human genome, and it could alter gene expression by inducing mutagenesis or epigenetic changes. Therefore, it is highly desired to profile DNA damage distribution on the human genome and identify the genes that are prone to DNA damage. Here, we present a novel single-cell whole-genome amplification

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    Isolation of Healthy F4/80+ Macrophages from Embryonic day E13.5 Mouse Fetal Liver Using Magnetic Nanoparticles for Single Cell Sequencing
    Authors:  Kaustav Mukherjee and James J. Bieker, date: 12/05/2021, view: 1247, Q&A: 0
    [Abstract]

    In vivo erythropoiesis occurs in the erythroblast island niche (EBI), comprising of a central macrophage that attaches to and aids the maturation of erythroid progenitors into mature reticulocytes. Macrophages in hematopoietic tissue such as embryonic fetal liver are heterogeneous and express the cell surface protein F4/80. Earlier methods of

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    A Simple Method for in situ Quantification of Cells on Carriers
    Authors:  Osnat Rosen, Avital Jayson, Niva Natan and Eyal Epstein, date: 12/05/2021, view: 1099, Q&A: 0
    [Abstract]

    The technology of cell carriers was developed as a response to the need for high cell density to enable higher production levels in cell-based production processes. To follow the production process, quantifying the number of cells on these carriers is required, as well as tracking their viability and proliferation. However, owing to various

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    Structural and Functional Mapping of Mesenchymal Bodies
    [Abstract]

    The formation of spheroids with mesenchymal stem/stromal cells (MSCs), mesenchymal bodies (MBs), is usually performed using bioreactors or conventional well plates. While these methods promote the formation of a large number of spheroids, they provide limited control over their structure or over the regulation of their environment. It has

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    Single Cell Analysis and Sorting of Aspergillus fumigatus by Flow Cytometry
    Authors:  Gareth Howell and Robert-Jan Bleichrodt, date: 04/20/2021, view: 2617, Q&A: 0
    [Abstract]

    Experimental results in fungal biology research are usually obtained as average measurements across whole populations of cells, whilst ignoring what is happening at the single cell level. Microscopy has allowed us to study single-cell behavior, but it has low throughput and cannot be used to select individual cells for downstream experiments. Here

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    A Flow Cytometric Method to Determine Transfection Efficiency
    [Abstract] Mammalian cell transfection is a powerful technique commonly used in molecular biology to express exogenous DNA or RNA in cells and study gene and protein function. Although several transfection strategies have been developed, there is a wide variation with regards to transfection efficiency, cell toxicity and reproducibility. Thus, a sensitive ...
    High Dimensional Functionomic Analysis of Human Hematopoietic Stem and Progenitor Cells at a Single Cell Level
    Authors:  Thomas Luh, Kimberly Lucero, Wenji Ma, Jaeyop Lee, Yu Jerry Zhou, Yufeng Shen and Kang Liu, date: 05/20/2018, view: 6355, Q&A: 0
    [Abstract] The ability to conduct investigation of cellular transcription, signaling, and function at the single-cell level has opened opportunities to examine heterogeneous populations at unprecedented resolutions. Although methods have been developed to evaluate high-dimensional transcriptomic and proteomic data (relating to cellular mRNA and protein), ...
    Determining Genome Size from Spores of Seedless Vascular Plants
    Authors:  Li-Yaung Kuo and Yao-Moan Huang , date: 06/05/2017, view: 7413, Q&A: 0
    [Abstract] Seedless vascular plants, including ferns and lycophytes, produce spores to initiate the gametophyte stage and to complete sexual reproduction. Approximately 10% of them are apomictic through the production of genomic unreduced spores. Being able to measure the spore nuclear DNA content is therefore important to infer their reproduction mode. Here ...
    Flow Cytometric Analysis of HIV-1 Transcriptional Activity in Response to shRNA Knockdown in A2 and A72 J-Lat Cell Lines
    Authors:  Daniela Boehm and Melanie Ott, date: 06/05/2017, view: 8177, Q&A: 0
    [Abstract] The main obstacle to eradicating HIV-1 from patients is post-integration latency (Finzi et al., 1999). Antiretroviral treatments target only actively replicating virus, while latent infections that have low or no transcriptional activity remain untreated (Sedaghat et al., 2007). To eliminate viral reservoirs, one strategy focuses ...



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