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...activated T cells, precluding analyses of T cell differentiation beginning with naïve T cells. The Framework...screens have been used to interrogate T cells, an important immune cell type, in more complex and physiological...naïve T cells. More broadly, this system can be used to perform in vivo screens in other cell types. A...screens to assess T cell responses and clonal dynamics in lymph nodes (LN) and tumor cells. Figure used with...FITS In vitro CRISPR screens in immune cells have identified many putative regulators of immunity. However...Framework for In vivo T cell Screens (FITS) approach (Milling and Markson et al., 2024), developed and deposited...enables efficient knockout (KO) of genes in immune cells; (2) is not immunogenic, a necessity for in vivo...

...mycoplasma contamination in your cell culture or you are about to begin a new cell culture project. If mycoplasmas...present in most of the cell culture facilities, tissue culture labs and every cell culturist has to deal...cost-effective (Sung, 2006). The sensor cell-based method uses specialized cells that can detect the presence of... should be made available for cell culturing and maintenance of the cell lines. Providing such an environment...Photo by Kate Harten DeMaio. Cell lines and reagents Examine your cell line stock for mycoplasma contamination...cryopreserved vials of the cell lines even though the viability of cryopreserved cells decreases with every ...cause mycoplasma infection from one cell line to another. Multiple cell lines should not be stored in a single...

...-B+ cells, and A+B+ cells, but no cells that are A+B-.      Figure 3: It's often easier to identify...population of B cells and dendritic cells (DCs) in the lower middle right. DCs and B cells are HLA-DR+ and...single cells in a population. It can be used to measure protein expression, identify rare cells, or even...looking for cells in a sample that are negative for marker A and positive for marker B, or A-B+ cells. If you...the cell populations as a guide  (Figure 3.) You can see that in our dot plot, we have A-B- cells, A-B...the first step is to separate cells from debris and roughly group the cells by size. This is done using ... and FSC are measured to differentiate cells from debris. Cells are gated, and in the gated population...

...Pluripotent Stem Cells from Blood Cells: An Efficient Protocol Using Serial Plating of Reprogrammed Cells by Centrifugation...human-induced pluripotent stem cells from cord blood and peripheral blood cells. Stem Cells, 2013. 31(3): p. 458...possible to reprogram differentiated cells into induced pluripotent stem cells (iPSCs) by the addition of reprogramming... somatic cells that are otherwise difficult to obtain. These can then be used to perform cell therapy ...in vitro. Find stem cell plasmids at Addgene Many sources of adult somatic cells have been probed for...Efficient human iPS cell derivation by a non-integrating plasmid from blood cells with unique epigenetic...stem cells from a small amount of human peripheral blood using a combination of activated T cells and ...

...performed on whole-cell extracts from the initial stable cell pool (pool) and from individual cell expansions ... in several human cancers) in A549 cells (a human lung cancer cell line), armed only with viruses obtained...need our A549 cells to express Cas9. In these particular experiments, we generated A549 cells stably expressing...52962-LV, Figure 1). Some cells were then used to generate a monoclonal cell lines by limiting dilution...The rest of the cells were frozen down. Figure 1: Cas9 expression in A549 cells transduced with...blotting was performed on whole-cell extracts from stable pools of A549 cells transduced with Cas9 expressing...A549 cells are relatively easy to transduce. I ended up with too many Cas9 integrations per cell, and ...

...prevent stem cell lines from becoming the new HeLa cells?), genome engineering and stem cells, and the difficulty... landmark Cell paper showing that it was possible to generate induced pluripotent stem cells (iPSCs) capable...forming nearly all cell types in the body from otherwise terminally differentiated cells simply by expressing... Podcast Interview with Stem Cell Researcher Darrell Kotton 2. Stem cell scientists care about patients... happening. Stem cells scientists have certainly not lost site of that. 3. Stem cell science is hard, ...sharing of his OSKM factors have affected the stem cell community – a community largely created due to Yamanaka...understatement. Multiple speakers from top minds in the stem cell field have described the Yamanaka paper as "life...

... a wide variety of cell lines, from HEK to CHO cells to neural and endocrine cells such as AtT-20, PC12...then handled. Additionally, many cell lines, especially the endocrine cell lines we most commonly work with...specific cell line, and its transfection efficiency. We often trypsinize the transfected cells on the day...increased). For some cells, add a drop of serum to aid in outgrowth. Depending on the cell type, we sometimes...growing cells such as HEK and CHO do not seem to require this, while nearly all endocrine cells do. While...difficulty deriving single clones from SH-SY5Y cells, as these cells did not seem to form discrete colonies but... of Medicine. In the Lindberg Lab we often make cell lines that overexpress genes of interest; more recently...

...model systems: either human cells or mice. In a recent issue of Cell Stem Cell, Musunuru, Chad Cowan and...done in stem cells, we can differentiate those mutant and wild type stem cells into any cell type relevant...system for generating human stem cell-based disease models." Cell Stem Cell. 12, 238-251 (7 February 2013...homology-directed repair by flooding the cell with a mutant template and fooling the cell into using that template for...mutations influence the disease process. In the Cell Stem Cell paper, for example, we generated hepatocytes...generating the mutant cell lines that one needs to do disease modeling in stem cells. Addgene: Tell me about...Kiran Musunuru's lab in Harvard's Department of Stem Cell and Regenerative Biology is to understand the basis...

... into cells in the lab. The introduction of foreign DNA or RNA into bacteria or eukaryotic cells is a ...application of an electrical charge to cells, to increase cell membrane permeability and thus transformation...introduce foreign DNA into eukaryotic cells, like mammalian cell lines. This can be done with lentiviral...the genome and stable cell lines, where foreign DNA is incorporated into the cell’s genome and is thus passed... pokes holes in the cell membrane so DNA can be introduced directly into the cell. Microinjection requires...multiple ways foreign DNA can be introduced into cells including transformation, transduction, conjugation...genetic material from the environment by bacterial cells. In nature, this genetic material often comes from...

...by source cell based on single-cell RNA-seq data. In addition to unique proteins on each cell type, the...regions, cell types, and tissues. Find cell-surface HRP plasmids here! Wu, L., et al. (2025) The cell-surface...this post: Cell-surface protein labeling tools for neurons and astrocytes Nerve-to-cancer cell mitochondrial...AAV-CRISPRa-engineered fat cells fight cancer Frugal CRISPR kit for classrooms Cell-surface proteomics for...for neurons and astrocytes By Mike Lacy Cell-cell interactions underlie many kinds of tissue function,...switch to turn recipient cells from red to green fluorescence (Figure 2). Donor cells express iCre with a ...the delivery of mitochondria from nerve cells to cancer cells in both breast cancer and melanoma models...