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Mutation, Missense: A mutation in which a codon is mutated to one directing the incorporation of a different amino acid. This substitution may result in an inactive or unstable product. (From A Dictionary of Genetics, King & Stansfield, 5th ed)
 JoVE Cancer Research

Next Generation Sequencing for the Detection of Actionable Mutations in Solid and Liquid Tumors

1Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, 2Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, 3Abramson Cancer Center


JoVE 52758

 JoVE Biology

Isolation and Kv Channel Recordings in Murine Atrial and Ventricular Cardiomyocytes

1Experimental and Clinical Research Center (ECRC), Charité Medical Faculty and Max-Delbrück Center for Molecular Medicine (MDC), 2Medical Department, Division of Cardiology, Campus Virchow-Klinikum, Charité - Universitätsmedizin Berlin, 3Medical Department, Division of Cardiology and Angiology, Campus Mitte, Charité - Universitätsmedizin Berlin


JoVE 50145

 JoVE Developmental Biology

Efficient Generation of hiPSC Neural Lineage Specific Knockin Reporters Using the CRISPR/Cas9 and Cas9 Double Nickase System

1Department of Neurosurgery, The University of Texas Health Science Center at Houston, 2Center for Stem Cell and Regenerative Medicine, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston, 3The Senator Lloyd & B. A. Bentsen Center for Stroke Research, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston, 4Summer Research Program, Office of Educational Programs, The University of Texas Health Science Center at Houston, 5Department of Anesthesiology, Shengjing Hospital, China Medical University, 6Department of Oncology, Renji Hospital, Shanghai Jiaotong University School of Medicine, 7Biology Department, University of West Georgia


JoVE 52539

 Science Education: Basic Methods in Cellular and Molecular Biology

An Introduction to Transfection

JoVE Science Education

Transfection is the process of inserting genetic material, such as DNA and double stranded RNA, into mammalian cells. The insertion of DNA into a cell enables the expression, or production, of proteins using the cells own machinery, whereas insertion of RNA into a cell is used to down-regulate the production of a specific protein by stopping translation. While the site of action for transfected RNA is the cytoplasm, DNA must be transported to the nucleus for effective transfection. There, the DNA can be transiently expressed for a short period of time, or become incorporated into the genomic DNA, where the change is passed on from cell to cell as it divides. This video describes the basics behind chemical mediated transfections and introduces some of the most commonly-used reagents, including charged lipids, polymers, and calcium phosphate. Each step is described from the preparation of cells for transfection through analysis of transfection efficiency. Additionally, the applications section of this video-article describes the use of electroporation and a biolistic transfection as alternative methods for introducing nucleic acid into mammalian cells. It also describes an advanced use of transfection where co-transfection of interfering RNA and DNA are introduced as a way to down-regulate a naturally occurring protein while at the same time producing a

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 JoVE Immunology and Infection

Identifying DNA Mutations in Purified Hematopoietic Stem/Progenitor Cells

1Greehey Children's Cancer Research Institute, UT Health Science Center at San Antonio, 2Department of Cellular and Structural Biology, UT Health Science Center at San Antonio, 3Department of Pathology, UT Health Science Center at San Antonio, 4Department of Microbiology, UT Health Science Center at San Antonio, 5Cancer Therapy and Research Center, UT Health Science Center at San Antonio


JoVE 50752

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 JoVE Biology

Employing Digital Droplet PCR to Detect BRAF V600E Mutations in Formalin-fixed Paraffin-embedded Reference Standard Cell Lines

1Research Institute of Pharmaceutical Science, Department of Pharmacy, College of Pharmacy, Seoul National University, 2The Center for Anti-Cancer CDx, N-Bio, Seoul National University, 3ABION CRO, 4ABION Inc., R&D Center


JoVE 53190

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 JoVE Neuroscience

A Behavioral Assay for Mechanosensation of MARCM-based Clones in Drosophila melanogaster

1Department of Biology, College of the Holy Cross, 2School of Medicine, Georgetown University, 3Department of Biochemistry, Giesel School of Medicine, Dartmouth College, 4School of Medicine, Tufts University, 5Transgenomic Inc., 6Department of Molecular, Cell and Cancer Biology, UMass Medical School


JoVE 53537

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 JoVE Immunology and Infection

Pairwise Growth Competition Assay for Determining the Replication Fitness of Human Immunodeficiency Viruses

1Department of Microbiology, University of Washington, 2Departments of Medicine and Laboratory Medicine, University of Washington, 3U.S Military HIV Research Program, Walter Reed Army Institute of Research, 4Henry M. Jackson Foundation


JoVE 52610

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