Cord Blood Nk
Cord Blood Nk - Related Videos
11:52
Enrichment of NK Cells from Human Blood with the RosetteSep Kit from StemCell Technologies
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Cited by 8 •
2007
Natural killer cells are a small population of lymphocytes. Here we show how to isolate these cells from human blood by negative selection, using a kit from StemCell Technologies. The cells obtained are viable and untouched by antibodies, and therefore ready to be used for a number of procedures.
10:44
Expansion, Purification, and Functional Assessment of Human Peripheral Blood NK Cells
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Cited by 153 •
2011
Here we describe a method to efficiently expand and purify large numbers of human NK cells and assess their function.
08:42
Dextran Enhances the Lentiviral Transduction Efficiency of Murine and Human Primary NK Cells
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Cited by 14 •
2018
The goal of this study was to formulate technologies that allow for successful gene transduction in primary natural killer (NK) cells. The dextran-mediated lentiviral transduction of human or mouse primary NK cells results in higher gene expression efficiencies. This method of gene transduction will vastly improve NK cell genetic manipulation.
14:06
Isolation of Precursor B-cell Subsets from Umbilical Cord Blood
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Cited by 2 •
2013
Here we describe a protocol for isolating subsets of precursor B-cells from umbilical cord blood. A sufficient quantity and quality of nucleic acids may be extracted from the cells and used in subsequent assays utilizing DNA or RNA.
07:26
Isolation of Endothelial Progenitor Cells from Human Umbilical Cord Blood
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Cited by 16 •
2017
The goal of this protocol is to isolate endothelial progenitor cells from umbilical cord blood. Some of the applications include using these cells as a biomarker for identifying patients with cardiovascular risk, treating ischemic diseases, and creating tissue-engineered vascular and heart valve constructs.
FAQs
Their key distinction is the ability to respond to stressed or transformed targets without prior antigen sensitization. This recognition strategy allows investigators to examine antitumor activity without first establishing a response to a defined antigen. In cancer research, that property helps researchers assess how cord-derived NK cells interact with tumor cells across experimental settings.
Immune synapse formation creates the focused interaction between an NK cell and its target. After this contact is established, the cell releases perforin and granzymes, molecules associated with triggering target-cell death. Studying this sequence helps researchers connect physical cell contact with the cytotoxic outcome measured in antitumor experiments.
Interferon-gamma production provides a functional readout that complements direct target-cell killing. Cord blood NK cell studies can therefore examine both cytotoxic activity and cytokine output rather than relying on a single outcome. Including this response helps characterize how the cells behave during cancer-focused experiments and how their activity is assessed beyond target-cell death.
Maturation characterization helps investigators describe the state of the NK-cell population being studied before or during experimental development. It is especially relevant when cells undergo ex vivo expansion or activation, because those research steps are evaluated in relation to the cell preparation. This characterization supports more informed comparison of cord blood NK cell products in cancer research.
A typical workflow begins by isolating NK cells from umbilical cord blood, followed by characterization of their maturation state. Investigators may then expand or activate the cells ex vivo and evaluate their activity against tumor cells. This sequence connects the source material, cell preparation, and functional testing within a cancer research study.
Researchers use ex vivo expansion or activation when they need to investigate how prepared cord blood NK cells perform in cancer-focused experiments. These steps are part of developing and evaluating cellular therapy approaches, rather than merely observing cells in their original source. The resulting preparations can then be tested for activity against tumor cells and characterized for research purposes.
Studies can connect cord blood NK cell isolation, maturation analysis, ex vivo preparation, and tumor-cell testing to the development of adoptive NK-cell immunotherapy. The source provides an accessible basis for investigating whether cellular preparations could support standardized, readily available treatments. In cancer research, this makes cord blood relevant to both mechanistic studies and therapy-development programs.