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...human embryonic stem cells. Transduced stem cells were differentiated and single cell RNA-seq was performed...transduced human embryonic stem cells with the viral TF library, with each cell receiving only 1 TF expression...construct. Cells were cultured following a differentiation protocol before performing single-cell RNA sequencing...differentiation.   Fig. 2: Single cell RNA-seq clustering of cells transduced with the TF pooled library... clusters of individual cells along with color coded nominated reference cell types.  (Adapted from Joung...delivered to each cell, future applications could deliver multiple TFs to each cell, allowing for combinatorial...generate unique cell types. Of the 24 TFs they tested, 22 expressed markers consistent with the cell type that...

...Love your cells and they'll love you back A successful lentiviral infection begins with your cells, both ...both your packaging cells and your target cells. Poor tissue culture practices can lead to low titers and... promote cell growth. Overgrown cultures stimulate quiescence, the resting phase of the cell cycle; quiescent...quiescent cells do not take up nucleic acid or express transgenes as well as actively dividing cells resulting...reaching 108 cells per ml before the media becomes cloudy. Mycoplasma compete with host cells for nutrients...consumption due to the high cell density of the culture. In addition to benefitting your cells, medium exchanges...therefore titers obtained in one cell type may not translate well to other cell types. To overcome this issue...

...-dividing cells. The ability to infect non-dividing cells is not restricted to in vitro cell culture as...target cells. If you are transducing non-adherent cells you might need to centrifuge your cells with the...favourite gene into your favourite cell line or into primary cells, this blog article will give you some...infect both dividing and non-dividing cells, including stem cells. These properties make lentiviral vectors...immortalized cells lines but reach their limits when it comes to transferring DNA into primary cells or non-...non-dividing cells. To target these un-transfectable cells, labs use viral vectors and particularly retroviral...will first need to transfect producing cells, usually 293T cells, with your transfer plasmid and your packaging...

...With regard to target cells or organism, some primary cells and differentiated cell types are picky when...packaging plasmids into a viral production cell line, usually HEK-293 cells. When all of these viral plasmids ... rogue HEK-293 cell). This virus-containing media can then be placed on whatever cells you would like ...just zapping your cells? That really depends on two things. First, what type of cell or organism context...secreted into the cellular media, making viral collection fairly easy. Producer cell media can be collected...process of transferring foreign nucleic acid into a cell by a viral agent. Transductions are similar to transfections...processes which introduce foreign nucleic acid into cells by any means, but are unique in that they require...

...producing cells. After FACS, return the cells to doxycycline-free media and expand the cells. Use a subset...white inclusions in cells with GVs via phase contrast microscopy, GVs visible in cells via TEM, and purified... heterogeneity required single cell screening to isolate a clonal cell line capable of producing ultrasound...expression homogeneity, as the cells could be batch-sorted to isolate a polyclonal cell line with strong gas vesicle...transient transfection in rtTA+ cell lines (such as HEK293-TETOn cells), or they can also be integrated...PiggyBac transposase. In rtTA-cell lines, it is better to first engineer the cell line with rtTA, then integrate...own mARGAna cell line. (c) Z-projected phase contrast images of GV expressing MDA-MB-231 cells (top, scalebar...

...HEK293 cell culture and in live zebrafish. For cell culture experiments, only dL5**-expressing cells treated...inactivate target proteins or cells while having little effect on neighboring cells. The photosensitizer used...Here Light-induced cell ablation with MG-2I-dL5** He et al tested out light-induced cell ablation with MG...effective killing of dL5** cells without death of neighboring bystander wild-type cells.   Zebrafish experiments...fewer mCer3-labeled cells in their hearts 24 hours post treatment and no mCer3 cells present 96 hours post...increase cell ablation efficiency, but dL5** phototoxocity is induced when expressed on the cell surface...protein inactivation/cell ablation while having limited collateral damage to bystander cells. Are you ready ...

...target cells; you also have to consider how to keep it there. In fast-growing populations of cells, the ...into the host cell’s genome, so no special sequence is needed to retain the vector as cells divide. In transient...Alternatively, some slow-growing cells, particularly mammalian cells like neurons, may not replicate during...transfect the vector a viral ori in a compatible cell line cells that replicate slower than the duration of ...is delivered to your target cells, you still need to select for the cells that contain it. Antibiotic ...penicillin and ampicillin inhibit cell wall synthesis. Eukaryotes, with no cell walls, can grow alongside these...synthesis machinery, and the cells are switched to minimal media, allowing cells that contain the vector to...

...gain access to some cells and tissues, such as human induced pluripotent stem cells (hiPSCs). Nanoblades... into particles at the cell membrane. Mature Nanoblades then bud into the cell culture supernatant and... Addgene. Genome editing primary cells with Nanoblades Primary cells are often refractory to gene delivery...mouse bone marrow (BM) cells, primary human hepatocytes, and hematopoietic stem cells (HSCs) using Nanoblades...-70% for these four cell types (Table 1). Additionally, hiPSCs and mouse BM cells still behaved like iPSCs...Primary cell type Gene targeted by guide Editing efficiency hiPSCs  EMX1  67% Mouse BM cells from GFP...mouse BM cells when using a gRNA targeting the Fto gene, while editing was not detected in cells electroporated...

...determine cell cycle length by examining the ratio of blue to red cells. Cells undergoing rapid cell cycles...’s difficult to observe the cell cycle in vivo, particularly if the cells are migratory or in deep tissues... BaF3 cells were transduced with H2B-FT virus and grown in varying concentrations of IL-3. Cells grown...proportion of blue fluorescence, indicating cell proliferation. BaF3 cells maintained in media without IL-3 show...H2B-FT consistently predicted the cell cycle speed across these different cell types. In one example, H2B-FT...expressed in murine B cells (BaF3), which depend on IL-3 to proliferate. The cells cultured with a low ...and had a greater number of red cells as measured by flow cytometry. Cells grown in high IL-3 showed mostly...

...Making contact with a cell Although an individual AAV particle’s ability to infect a cell is dependent on its...construction and the cell it’s infecting, getting these particles to infect cells is also very titer-dependent... particle to infect a cell, it has to come into physical contact with that cell. Since there is a limited...of surface area on each cell, the way to get more AAV in contact with the cell is to increase the AAV ...between the cell and any individual AAV particle is rare. But simply getting into the cell may not always...particles that have entered the cell now have to travel up the axon, through the cell, and potentially spread ...particles per cell, you may not be able to detect AAV-mediated gene expression in a target cell. Practical...