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Genes, Overlapping: Genes whose nucleotide sequences overlap to some degree. The overlapped sequences may involve structural or regulatory genes of eukaryotic or prokaryotic cells.

Gene Silencing with Morpholinos

JoVE 5326

Morpholino-mediated gene silencing is a common technique used to study roles of specific genes during development. Morpholinos inhibit gene expression by hybridizing to complementary mRNAs. Due to their unique chemistry, morpholinos are easy to produce and store, which makes them remarkably cost effective compared to other gene silencing methods.

This video reviews proper experimental design when using these oligonucleotides. Following that, an explanation of morpholino microinjection techniques in zebrafish and the analysis of resulting phenotypes will be discussed. Finally, we showcase examples of specific applications where morpholino technology is used to model developmental disorders or to study tissue regeneration.


 Developmental Biology

Personalized Peptide Arrays for Detection of HLA Alloantibodies in Organ Transplantation

1Division of Nephrology and Hypertension, and the Center for Kidney Research and Therapeutics at the Feinberg Cardiovascular Research Institute, Northwestern University Feinberg School of Medicine, 2Surgery-Organ Transplantation, Northwestern University Feinberg School of Medicine, 3School of Biological Sciences and Medical Engineering, Southeast University

JoVE 56278


 Biochemistry

Microscopy-based Assays for High-throughput Screening of Host Factors Involved in Brucella Infection of Hela Cells

1Focal Area Infection Biology, Biozentrum, University of Basel, 2Centre d’Immunologie de Marseille-Luminy, Université de la Méditérannée UM2, INSERM U1104 CNRS UM7280, 3Departmento de Microbiologìa and Instituto de Salud Tropical, Universidad de Navarra, 4BioDataAnalysis GmbH

JoVE 54263


 Immunology and Infection

Prediction and Validation of Gene Regulatory Elements Activated During Retinoic Acid Induced Embryonic Stem Cell Differentiation

1Sanford-Burnham-Prebys Medical Discovery Institute at Lake Nona, 2Department of Biochemistry and Molecular Biology, Research Center for Molecular Medicine, Medical and Health Science Center, University of Debrecen, 3MTA-DE “Lendulet” Immunogenomics Research Group, University of Debrecen

JoVE 53978


 Developmental Biology

Microarray-based Identification of Individual HERV Loci Expression: Application to Biomarker Discovery in Prostate Cancer

1Joint Unit Hospices de Lyon-bioMérieux, 2Medical Diagnostic Discovery Department, BioMérieux, 3Department of Pathology and Cytology, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, 4Medical Faculty, Lyon 1 University, 5Data and Knowledge Laboratory, BioMérieux, 6Department of Biochemistry and Molecular Biology, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, 7Department of Urology, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon

JoVE 50713


 Medicine

Using Robotic Systems to Process and Embed Colonic Murine Samples for Histological Analyses

1Pathology Unit, Fondazione IRCCS Cà Granda, Ospedale Policlinico di Milano, 2Department of Experimental Oncology, European Institute of Oncology, 3Gastroenterology and Endoscopy Unit, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 4Department of Pathophysiology and Transplantation, Università degli Studi di Milano

Video Coming Soon

JoVE 58654


 JoVE In-Press

Visualization of 3D White Adipose Tissue Structure Using Whole-Mount Staining

1Translational Medicine Program, The Hospital for Sick Children, 2Department of Laboratory Medicine and Pathobiology, University of Toronto, 3Neurosciences & Mental Health Program, The Hospital for Sick Children, 4Department of Biochemistry and Molecular Biology, Smart-Aging Convergence Research Center, College of Medicine, Yeungnam University, 5Banting and Best Diabetes Centre, University of Toronto

Video Coming Soon

JoVE 58683


 JoVE In-Press

A Customizable Protocol for String Assembly gRNA Cloning (STAgR)

1MCN Junior Research Group, Munich Center for Neurosciences, Ludwig Maximilian Universitat, BioMedical Center, 2Institute of Stem Cell Research, Helmholtz Zentrum, German Research Center for Environmental Health, 3Institute of Developmental Genetics, Helmholtz Zentrum, German Research Center for Environmental Health, 4Physiological Genomics, Ludwig Maximilian Universitat, BioMedical Center

Video Coming Soon

JoVE 58556


 JoVE In-Press

Analysis of Epididymal Protein Synthesis and Secretion

1Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, University of Newcastle, 2Hunter Medical Research Institute, 3Department of Physiology, Turku Center for Disease Modeling, Institute of Biomedicine, University of Turku, 4School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, University of Newcastle

JoVE 58308


 Developmental Biology

ExCYT: A Graphical User Interface for Streamlining Analysis of High-Dimensional Cytometry Data

1The Bloomberg~Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, 2The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, 3Department of Biomedical Engineering, Johns Hopkins University School of Medicine, 4Department of Immunology, Johns Hopkins University School of Medicine, 5Department of Pathology, Johns Hopkins University School of Medicine

Video Coming Soon

JoVE 57473


 JoVE In-Press

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