We narrowed to 158 results for: mec 1 cells

...others): caveolin 1, also known as CAV 1. Usually, caveolin 1 promotes the cell life cycle progression and ...and spread of cancer cells. Besides these stromal cell modifications, stromal cells are also constantly...how cancer cells influence microenvironments and vice versa, let’s take a look at cancer cell metabolism...inflammation, a noteworthy cell type in the tumor microenvironment is the immune cells. The contradiction is...injecting breast cancer cells into mice, exosomes expressed specific integrins (cell-adhesion proteins) targeting... be transferred to other cells, inducing epigenetic changes in targeted cells. In this case, exosomes ...Friendly” microenvironment cells Not all is bad news – we also have “friendly” cells in microenvironments! ...

...Pluripotent Stem Cells by Direct Delivery of Reprogramming Proteins." Cell Stem Cell 4, no. 6 (2009): ...Jaenisch. "Induced Pluripotent Stem Cells Meet Genome Editing." Cell Stem Cell 18, no. 5 (2016): 573-86. PubMed... express a cocktail of stem cell reprogramming factors and wait for cells to de-differentiate. However...transgene-free and vector-free cells Genome integration Need to sequence cells to verify excision didn’t ...vector-free cells No genomic integration Can be difficult to fully remove virus from cells Plasmid Non-integrating...transduces a wide range of cell types and replicates in the cytoplasm independent of the cell cycle. A challenge...virus which is removed by culturing cells at 38℃, but screening cells for the presence of transgenes is ...

...stimulating factor 1 (CSF-1). Additionally, tumor cells recruit regulatory T cells (T-regs) into their... (CTLs), natural killer (NK) cells, and helper T (Th) cells. These cells produce inflammatory cytokines...activity, and consists of other cell types, especially immune cells and cells of epithelial origin. Suppressing...turns off T cell function upon interaction with APCs. Furthermore, tumor cells alter their cell-surface proteome...molecules needed for T cell effector function. Cancer cells also produce programmed cell death ligand (PD-L1... activity of CTLs and NK cells. These cells would normally kill cancer cells but are directed not to through...to use whole cell therapeutics consisting of various types of immune cells. Dendritic cells (DCs) are particularly...

...tensions before they would enable cells to spread, resulting in cells that elongated and morphed asymmetrically...on the BJ-5ta fibroblast cells, integrin αVβ1 was critical in initiating cell spreading and two other ...-Integrin alpha 5 beta 1 [IPI-ITGA5/ITGB1.2] Integrin alpha-5,Integrin beta-1 Human, Mouse IgG1 Rabbit...-Integrin alpha 5 beta 1 [IPI-ITGA5/ITGB1.4] Integrin alpha-5,Integrin beta-1 Human, Mouse IgG1 Rabbit...linkage of intra- and extracellular environments. Found on nearly every cell in the human body, integrins are... that protrude from the cell membrane, physically connecting the extracellular environment and the cytoskeleton...ligand binding, mediating cell adhesion and migration, initiating intracellular signal cascades, and allowing...

...varying across cell types. Variance can be caused by cell cycle rates; rapidly diving cells will have higher... of your cells. Enrich S-phase cells HR operates predominantly in S and G2 phase of the cell cycle, when...HDR events, ensure cells are actively cycling through the cell cycle stages. If cells are overly confluent...way to make a knock-in cell line is to utilize the built-in repair pathway cells already have for repairing...than quiescent cells. It is important to know that HR is often mutated in cancer cells, specifically in...keeping an eye on those cells! To take this one step further, you can inhibit cell cycle regulatory proteins...negative outcomes on viability if cells are arrested too long. Prolonged cell cycle arrest can lead to apoptosis...

...Cascade's complexity. Figure 1: Schematic of Class 1 CRISPR types. Class 1 includes type I with a Cas3 ...unidirectional genome editing in human cells. Nature Communications, 10(1). https://doi.org/10.1038/s41467-...that the cell can use to repair. Figure 3: General overview of the Cascade-Cas3 mechanism. Created...which carries out the brunt of the mechanical work for editing. Class 1 CRISPR systems make up the majority...complex in nucleotide unwinding steps. Molecular Cell, 70(3), 385-394.e3. https://doi.org/10.1016/j.molcel...formation by a type I-C CRISPR Cascade. Molecular Cell, 83(5), 746-758.e5. https://doi.org/10.1016/j.molcel...CRISPR–Cas systems for genome engineering in human cells. Nature Biotechnology, 37(12), 1471–1477. https:...

...one side of the cell and released again at another side of the cell after intracellular transport without...via individual neurons. Neurons are composed of a cell body, with dendrites receiving incoming information...axon sending information onwards to other neuronal cells. Synapses at the terminals of axons form connections...connections to dendrites of proximal neuronal cells. In the specific example of episodic memory, a subset of... Anterograde tracing outlines neurons from their cell bodies to the terminals of their axons; while retrograde...direction, from the terminals of their axons to their cell bodies. Anterograde and retrograde tracing take...neuronal connectivity a large majority of neuronal cells are labeled overtime due to the continued replication...

...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...in human cells, thus expressing additional EBNA-1 transiently. The transiently expressed EBNA-1 increases...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...

...infecting most cells, but not all. For example, LDLR expression in hematopoietic stem cells, T cells, and B cells...disadvantages: Table 1 (Joglekar et al., 2017)  Table 1 (Gutierrez-Guerrero et al., 2020) Table 1 (Cronin et al... host cell. Some of these envelope-receptor pairings are broad, allowing delivery into many cell types...delivery to only a few cell types.  If you’re looking for more control in the cell types your lentiviral...protein causes cells that it infects to fuse together and form syncytias that cause the cells to die. Cytotoxicity...Cytotoxicity can also be cell type dependent: if a cell has few receptors for a specific envelope protein...lipoprotein receptors (LDLRs) on a cell surface to endocytose into the cell. The reason VSV-G is so commonly...

...and yeast cells are cost-effective and faster-growing than mammalian cells, but mammalian cells can perform...your cells with your plasmid(s), and then wait 7-14 days (in mammalian cells) to collect the cell culture...Suspension HEK293-EBNA1 Cells. Methods Mol Biol. 2018;1850:1-16. doi: 10.1007/978-1-4939-8730-6_1. PMID: ...production system, cell lines typically used include Human Embryonic Kidney (HEK) cells and Chinese Hamster...materials have been washed away (Figure 1).      Figure 1: The steps of rAb production. Created ...recombinant antibodies with some molecular biology and cell culture experience. Let’s go over the basics of ... place in bacterial, yeast, plant, or mammalian cells. Each of these systems has their advantages and ...

...synthesized inside of what is called the “target cell” (or host cell) by the viral protein reverse transcriptase...reverse-transcribed DNA into the host cell’s genome and then use cell machinery for transcription and translation...1971). Noninfectious ARK mouse embryo cell lines in which each cell has the capacity to be activated to ...can use Figure 1 to compare the genomes of these two family members.   Figure 1: Gamma-retrovirus..., interested in transferring genes to mammalian cells (i.e. transferring DNA), yet retroviruses are RNA-containing...separate set of instructions in the same producer cells as the virus. Because it is made at the same time...viral genes. It is derived from the host/producer cell membrane, and acquired as an envelope during exocytotic...

...transducing the cell type under study. Many AAVs will show significant expression in a variety of cell types, ...location. Location (1): What tissue? Location (2): Where in the tissue/which cell type? Location (3): ...transport), which is a possible mechanism for the AAV to infect other cell types not within the vicinity...optogenetics as tools to investigate the roles of certain cell types in locomotion. We have relied heavily upon...deliver chemogenetic/optogenetic constructs into our cells of interest. Although they have a small packaging...of serotype (which determines which tissues and cells an AAV can infect) can influence an AAV’s value ...AAV5, AAV6, AAV9 Pancreas AAV8 Photoreceptor Cells AAV2, AAV5, AAV8 RPE (Retinal Pigment Epithelium...

... your cell type of interest, while miRNA target sites can be used to prevent expression in cell types ...endothelial cells in rodent CNS AAV-PHP.V1 shows higher transduction in CNS endothelial cells (60%) and ...endothelial cells in the retina and spinal cord (Krolak et al., 2022). Systemic capsids for broad cell type ...Toolkit to Target Diverse Brain Cells. Annual Review of Neuroscience, 45(1), 447–469. https://doi.org/10.1146...endothelial cell transduction throughout the central nervous system. Nature Cardiovascular Research, 1(4), Article...total dose between 1 x 1011 and 5 x 1011 vg per animal (i.e., 10 and 50 µL of vector at 1 x 1013 vg/mL titer... and 1 x 1012 vg*. Most systemic capsids are easy to produce in high titer, but higher doses (>1 x 1012...

...K562 leukemia cell line and ~8 and 9% efficiencies in T-cells and hematopoietic stem cells respectively...transient transfection of 293T cells with helpers, and used to infect recipient cells. After G418 selection, ...routinely deliver sequences of interest to cells with efficiencies of 1-40% after G418 selection (Kohli et al...using AAV vectors for gene editing in mammalian cells since 1998. In that year, Russell and Hirata from...the p53 and PTEN tumor suppressor genes in human cells (Kim et al 2008). They have also used AAV gene editing...endogenous allele of the STAG2 tumor suppressor in human cells (Kim et al, 2016). The Waldman lab has designed ...modifying multiple genes simultaneously in the same cell, are more appropriate for a CRISPR-based approach...

...genetic access to cortical cell types. Cell. https://doi.org/10.1016/j.cell.2025.05.002 Hunker, A. C.,...expression in a cell type-specific manner also makes them useful tools for targeting those specific cell types ...Brain Map portal, and cell science-focused tools at the Allen Institute for Cell Science. There are also... gene to initiate transcription (Figure 1). Although all cell types share the same DNA sequence, not all...functional enhancer in one cell type but not in others. The same mechanism that allows enhancers to regulate...generate highly specific tools to target different cell populations and regions of the brain. This has culminated... end_module_block %}   Using enhancers to target cell populations Enhancers are non-coding sequences of...

... yeast, plant, insect, and mammalian cells, including human cells. piggyBac is biased to integrate at ...Transposons: The jumping genes. Nature Education 1(1):204. https://www.nature.com/scitable/topicpage/transposons-the-jumping-genes...retrotransposons. They transpose by a ‘copy-paste’ mechanism (Fig. 1). They first copy themselves as RNA transcripts...is active in vertebrates and integrates in human cells at rates similar to retroviral vectors. The hyperactive...piggyBac has an integration efficiency in human cells similar to retroviral vectors. The hyperactive PB...transposase (hyPB) is ~10-fold more active in mammalian cells compared to the codon-optimized wild-type piggyBac...G/C)TNA. Tol2 can deliver 10-11 kB to mammalian cells without decreased efficiency, with a maximum cargo...

... in Human Cells by Auxin-Inducible Degron Tagging with Short Homology Donors.” Cell Rep.15(1) (2016):210...endogenous genes in human cells. To use CRISPaint, users need 3 vectors:  1) a gRNA vector that targets... 5’ and 3’ homology arm repair template (Fig. 1, Step 1). There is no need for PCR or cloning, as digestion...and function of cellular systems. FPs have been used to track protein localization, cell structure, intracellular...to fluorescently tag markers of cellular structures in mammalian cells. These plasmids use fluorescent...loci in other model systems, including mammalian cells. CRISPaint (CRISPR-assisted insertion tagging)...also be introduced directly into a Drosophila S2 cell line stably expressing Cas9. This PCR toolkit offers...

...hematopoietic stem cells with a lentiviral vector containing a gRNA. These transduced stem cells can be implanted...in the immune system. Nature Immunology, 25(1), Article 1. https://doi.org/10.1038/s41590-023-01689-6 ...and CD8+ T cells. To demonstrate the power of these systems to investigate in vivo mechanisms, we targeted...Annotation of genes in immune cells typically involves the creation of germline knockout mice, which ...CRISPR-based systems enable gene knockout in immune cells in a high-throughput manner, but these systems have..., ubiquitous knockout of single genes in immune cells in vivo (LaFleur et al., 2019a and LaFleur et al...many genes have different functions in different cell types, at different times, and in combination with...

...already available today to cure sickle cell anemia in stem cells but this can’t be used in people until...minutes, which was fun to watch. A simpler 1 protein - 1 RNA system Drs. Dounda and Charpentier met at...to direct cleavage the result was a simpler 1 protein - 1 RNA system.  Dr. Charpentier advocated for the... audience discussed how J&J is already modifying cell and animal genomes to test hypotheses of disease...and more about the how to use genome edited stem cells to treat disease. As for me, I continue to be amazed... much we have yet to learn. As Dr. Mello said, “Cells have been in the information age for billions of...their research leading up to the discovery of the mechanism of dual-RNA-guided DNA cleavage in adaptive bacterial...

...shown in tables 1 and 2, with a cell-type specific promoter or enhancer now allows for cell-type-restricted...neurons overall (GFP+ cells that also stained for a neuronal marker). Check out tables 1 and 2 below for a...The keys to this method are 1) high levels of color diversity so that cells are labeled with their own ...this plasmid pool are injected into an animal with cell-type-specific Cre, the polyA sequence is inverted... library to infect an animal expressing Cre in a cell type of interest, a scientist can isolate DNA from...(s) of the capsid gene successfully infected the cell type of interest. Repeat rounds of infection and...capsid variants with increased ability to infect the cell type of interest, which, in the case of Chan et ...