Cell Polarity:
Orientation of intracellular structures especially with respect to the apical and basolateral domains of the plasma membrane. Polarized cells must direct proteins from the Golgi apparatus to the appropriate domain since tight junctions prevent proteins from diffusing between the two domains.
JoVE General
Preparation of Adult Drosophila Eyes for Thin Sectioning and Microscopic Analysis
Department of Developmental and Molecular Biology, Albert Einstein College of Medicine
A standard approach to prepare adult Drosophila eyes for semi-thin sectioning and light microscopic analysis is presented here. The protocol can be used for gross morphological analysis of eye defects, or with the indicated adjustments can be used to determine genetic requirements of genes in specific cell types of the eye (e.g. clonal analysis of photoreceptors) or for electron microscopic analysis.
JoVE Bioengineering
Improved Visualization and Quantitative Analysis of Drug Effects Using Micropatterned Cells
1CYTOO Cell Architects, Grenoble, France, 2Centre Commun de Quantimétrie, Faculté de Médecine Rockefeller, Lyon, France
Adhesive micropatterns that normalize cellular architecture can be used to increase sensitivity in the detection of drug effects, improve reproducibility and simplify automated image acquisition and analysis. Such technology will benefit drug/siRNA screening assays, performed on conventional cell culture supports and consequently suffering from excessive cell-to-cell variability.
JoVE General
Long-term Culture of Human Breast Cancer Specimens and Their Analysis Using Optical Projection Tomography
1Breakthrough Breast Cancer Research Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, 2MRC Technology
We have developed a collagen-based in vitro assay which promotes proliferation and invasion from samples of all breast cancer subtypes. Optical Projection Tomography, a three dimensional microscopy technique was utilised to visualise and quantify tumour expansion. This assay may be used to quantify drug response of individual tumour samples.
JoVE General
Imaging Cell Shape Change in Living Drosophila Embryos
1Program in Cell & Molecular Biology, Baylor College of Medicine (BCM), 2Verna & Marrs McLean Department of Biochemistry & Molecular Biology, Baylor College of Medicine (BCM)
Early development of the fruit fly, Drosophila melanogaster, is characterized by a number of cell shape changes that are well suited for imaging approaches. This article will describe basic tools and methods required for live confocal imaging of Drosophila embryos, and will focus on a cell shape change called cellularization.
JoVE General
Imaging G-protein Coupled Receptor (GPCR)-mediated Signaling Events that Control Chemotaxis of Dictyostelium Discoideum
Here, we describe detailed live cell imaging methods for investigating chemotaxis. We present fluorescence microscopic methods to monitor spatiotemporal dynamics of signaling events in migrating cells. Measurement of signaling events permits us to further understand how a GPCR-signaling network achieves gradient sensing of chemoattractants and controls directional migration of eukaryotic cells.
JoVE General
Ex Vivo Culture of Primary Human Fallopian Tube Epithelial Cells
1Department of Medical Oncology, Dana-Farber Cancer Institute, 2Harvard Medical School, Boston, MA, 3Sheba Cancer Research Center, Chaim Sheba Medical Center, 4Department of Pathology, Brigham and Women's Hospital
The fallopian tube (FT) is emerging as an alternative site of origin for serous ovarian carcinoma (SOC). This protocol describes a novel method for the isolation and ex vivo culture of fallopian tube epithelial cells. This system recapitulates the in vivo epithelium and allows the study of SOC pathogenesis.
JoVE Bioengineering
Video-rate Scanning Confocal Microscopy and Microendoscopy
1Program in Biophysics, Harvard University, 2Division of Health Sciences and Technology, Harvard-MIT, 3Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School
The complete construction of a custom, real-time confocal scanning imaging system is described. This system, which can be readily used for video-rate microscopy and microendoscopy, allows for an array of imaging geometries and applications not accessible using standard commercial confocal systems, at a fraction of the cost.
JoVE Neuroscience
The Subventricular Zone En-face: Wholemount Staining and Ependymal Flow
1Department of Neurosurgery, The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco - UCSF, 2Department of Pathology and Cell Biology, College of Physicians and Surgeons, Columbia University, 3Department of Neuroscience and Neurology, College of Physicians and Surgeons, Columbia University, 4Department of Developmental and Regenerative Biology, Nagoya City University Graduate School of Medical Sciences, 5Center for Motor Neuron Biology and Disease, College of Physicians and Surgeons, Columbia University
The lateral ventricle walls contain the largest germinal region in the adult mammalian brain. Traditionally, studies on neurogenesis in this region have relied on classical sectioning techniques for histological analysis. Here we present an alternative approach, the wholemount technique, which provides a comprehensive, en-face view of this germinal region.
JoVE Clinical and Translational Medicine
Evaluation of Cancer Stem Cell Migration Using Compartmentalizing Microfluidic Devices and Live Cell Imaging
1Department of Biomedical Engineering, University of Wisconsin-Madison, 2Materials Science Program, University of Wisconsin-Madison, 3Department of Neurological Surgery, University of Wisconsin-Madison, 4Carbone Comprehensive Cancer Center and Center for Stem Cell and Regenerative Medicine, University of Wisconsin-Madison
A compartmentalizing microfluidic device for investigating cancer stem cell migration is described. This novel platform creates a viable cellular microenvironment and enables microscopic visualization of live cell locomotion. Highly motile cancer cells are isolated to study molecular mechanisms of aggressive infiltration, potentially leading to more effective future therapies.
JoVE Bioengineering
Electric Field-controlled Directed Migration of Neural Progenitor Cells in 2D and 3D Environments
1School of Dentistry, Cardiff Institute of Tissue Engineering & Repair, Cardiff University, 2Shandong Qianfoshan Hospital, Shandong University School of Medicine, 3Dermatology and Ophthalmology Research, Institute for Regenerative Cures, University of California at Davis
This protocol demonstrates methods used to establish 2D and 3D environments in custom-designed electrotactic chambers, which can track cells in vivo/ex vivo using time-lapse recording at the single cell level, in order to investigate galvanotaxis/electrotaxis and other cellular responses to direct current (DC) electric fields (EFs).
JoVE Immunology and Infection
Generation of Recombinant Influenza Virus from Plasmid DNA
1Department of Microbiology and Immunology, University of Rochester School of Medicine and Dentistry, 2Departments of Microbiology and Medicine, and Global Health and Emerging Pathogens Institute, Mount Sinai School of Medicine
Rescue of influenza A viruses from plasmid DNA is a basic and essential experimental technique that allows influenza researchers to generate recombinant viruses to study multiple aspects in the biology of influenza virus, and to be used as potential vectors or vaccines.
JoVE General
A System for ex vivo Culturing of Embryonic Pancreas
Molecular and Cellular Basis of Embryonic Development, Max-Delbrück-Center for Molecular Medicine
Here, we describe a method for isolation, culture and manipulation of mouse embryonic pancreas. This represents an excellent ex vivo system for studying various aspects of pancreatic development, including morphogenesis, differentiation and growth. Pancreatic bud explants can be cultured for several days and used in a range of different applications, including whole-mount immunofluorescence and live imaging.
JoVE General
Lipid Vesicle-mediated Affinity Chromatography using Magnetic Activated Cell Sorting (LIMACS): a Novel Method to Analyze Protein-lipid Interaction
Institute of Molecular Medicine and Genetics, Georgia Health Sciences University
To test the interaction of a protein with its target lipid we used MACS and Annexin V-conjugated magnetic beads and lipid vesicles synthesized from the target lipid and Annexin V-binding phosphatidylserine. Proteins bound to the target lipid are co-purified and analyzed after elution from the beads.
JoVE Bioengineering
Cell Co-culture Patterning Using Aqueous Two-phase Systems
1Department of Biomedical Engineering, University of Michigan, 2Department of Macromolecular Science and Engineering, University of Michigan
Aqueous two-phase systems were used to simultaneously pattern multiple populations of cells. This fast and easy method for cell patterning takes advantage of the phase separation of aqueous solutions of dextran and polyethylene glycol and the interfacial tension that exists between the two polymer solutions.
JoVE General
How to Culture, Record and Stimulate Neuronal Networks on Micro-electrode Arrays (MEAs)
1Department of Neurology, Emory University School of Medicine, 2Coulter Department of Biomedical Engineering, Laboratory for Neuroengineering, Georgia Institute of Technology and Emory, University School of Medicine, 3Emory University School of Medicine
This protocol provides the necessary information for setting up, caring for, recording from and electrically stimulating cultures on MEAs. In vitro networks provide a means for asking physiologically relevant questions at the network and cellular levels leading to a better understanding of brain function and dysfunction.
JoVE General
Efficient Differentiation of Mouse Embryonic Stem Cells into Motor Neurons
Nemours Biomedical Research, Alfred I. duPont Hospital for Children
We developed a new protocol to improve efficiency of in vitro differentiation of mouse embryonic stem cells into motor neurons. The differentiated ES cells acquired motor neurons features as evidenced by expression of neuronal and motor neuron markers using immunohistochemical techniques.
JoVE General
Primary Culture and Plasmid Electroporation of the Murine Organ of Corti.
1Department of Otology and Laryngology, Harvard Medical School, 2Eaton-Peabody Laboratory, Massachusetts Eye and Ear Infirmary, 3Department of Communication Sciences and Disorders, Emerson College, 4Program in Speech and Hearing Bioscience and Technology, Division of Health Science and Technology, Harvard
This procedure describes a method for the isolation and culture of the murine organ of Corti with or without the spiral limbus and spiral ganglion neurons. We also demonstrate a method for the expression of an exogenous reporter gene in the organ of Corti explant by electroporation.
JoVE General
Correlative Light and Electron Microscopy (CLEM) as a Tool to Visualize Microinjected Molecules and their Eukaryotic Sub-cellular Targets
Department of Molecular Microbiology, University of Texas Southwestern Medical Center
The CLEM technique has been adapted to analyze ultrastructural morphology of membranes, organelles, and subcellular structures affected by microinjected molecules. This method combines the powerful techniques of micromanipulation/microinjection, confocal fluorescent microscopy, and electron microscopy to allow millimeter to multi-nanometer resolution. This technique is amenable to a wide variety of applications.
JoVE Editorial
January 2012: This Month in JoVE
Here are some highlights from the January 2012 Issue of Journal of Visualized Experiments (JoVE).
JoVE General
Culturing and Applications of Rotating Wall Vessel Bioreactor Derived 3D Epithelial Cell Models
Basic Medical Sciences, University of Arizona College of Medicine - Phoenix
A rotating cell culture system that allows epithelial cells to grow under physiological conditions resulting in 3-D cellular aggregate formation is described. The aggregates generated display in vivo-like characteristics not observed in conventional culture models and serve as a more accurate organotypic model system for a multitude of scientific investigations.
JoVE Immunology and Infection
Establishing a Liquid-covered Culture of Polarized Human Airway Epithelial Calu-3 Cells to Study Host Cell Response to Respiratory Pathogens In vitro
The findings and conclusions in this report are those of the authors and do not necessarily represent the views of the Centers for Disease Control and Prevention.
JoVE General
Analyzing the Function of Small GTPases by Microinjection of Plasmids into Polarized Epithelial Cells
Department of Cell and Molecular Biology, Northwestern University
This article details the procedures involved in overexpression and analysis of small GTPases in polarized epithelial cells using microinjection technique.
JoVE Applied Physics
Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping
School of Photovoltaics, University of New South Wales
Polycrystalline silicon thin-film solar cells on glass are fabricated by deposition of boron and phosphorous doped silicon layers followed by crystallisation, defect passivation and metallisation. Plasmonic light-trapping is introduced by forming Ag nanoparticles on the silicon cell surface capped with a diffused reflector resulting in ~45% photocurrent enhancement.
JoVE Bioengineering
Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
1Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, 2Micro and Nanotechnology Lab, University of Illinois at Urbana-Champaign, 3Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, 4Bioengineering, University of Illinois at Urbana-Champaign
Dielectrophoresis (DEP) is an effective method to manipulate cells. Printed circuit boards (PCB) can provide inexpensive, reusable and effective electrodes for contact-free cell manipulation within microfluidic devices. By combining PDMS-based microfluidic channels with coverslips on PCBs, we demonstrate bead and cell manipulation and separation within multichannel microfluidic devices.
JoVE Neuroscience
Transfection of Mouse Retinal Ganglion Cells by in vivo Electroporation
1Department of Neurobiology, Yale University, 2Program in Developmental Biology, Baylor College of Medicine
We demonstrate an in vivo electroporation protocol for transfecting single or small clusters of retinal ganglion cells (RGCs) and other retinal cell types in postnatal mice over a wide range of ages. The ability to label and genetically manipulate postnatal RGCs in vivo is a powerful tool for developmental studies.
JoVE Bioengineering
Fluorescence detection methods for microfluidic droplet platforms
1Department of Chemistry, Imperial College London, 2Department of Biochemistry, Protein Chip Research Center, Chungbuk National University, 3Department of Chemistry and Applied Biosciences, Institute for Chemical and Bioengineering, ETH Zurich
Droplet-based microfluidic platforms are promising candidates for high throughput experimentation since they are able to generate picoliter, self-compartmentalized vessels inexpensively at kHz rates. Through integration with fast, sensitive and high resolution fluorescence spectroscopic methods, the large amounts of information generated within these systems can be efficiently extracted, harnessed and utilized.
JoVE Neuroscience
Isolation and Culture of Mouse Cortical Astrocytes
1Institute of Anatomy and Cell Biology, University of Freiburg, 2Centre of Chronic Immunodeficiency (CCI), University Medical Centre Freiburg, University of Freiburg
Astrocytes have been recognized to be versatile cells participating in fundamental biological processes that are essential for normal brain development and function, and central nervous system repair. Here we present a rapid procedure to obtain pure mouse astrocyte cultures to study the biology of this major class of central nervous system cells.
JoVE Immunology and Infection
A Quantitative Evaluation of Cell Migration by the Phagokinetic Track Motility Assay
1Department of Microbiology and Immunology, Louisiana State University Health Sciences Center, 2Center for Molecular and Tumor Virology, Louisiana State University Health Sciences Center, 3Department of Microbiology and Immunology, SUNY Upstate Medical University, 4Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center
The phagokinetic motility track assay is a method used to assess the movement of cells. Specifically, the assay measures chemokinesis (random cell motility) over time in a quantitative manner. The assay takes advantage of the ability of cells to create a measurable track of their movement on colloidal gold-coated coverslips.
JoVE Clinical and Translational Medicine
Processing of Human Reduction Mammoplasty and Mastectomy Tissues for Cell Culture
Life Science Division, Lawrence Berkeley National Laboratory
A method to process human mammary surgical discard material is described. Processed tissue, in the form of organoids, can be stored frozen indefinitely or placed in culture for long-term growth. This method enables experimental examination of normal human epithelial cell biology, and the effects of exogenous perturbations.
JoVE Neuroscience
Bilaminar Co-culture of Primary Rat Cortical Neurons and Glia
Department of Pharmacology and Physiology, Drexel University College of Medicine
Here we provide a protocol for culturing rat cortical neurons in the presence of a glial feeder layer. The cultured neurons establish polarity and create synapses, and can be separated from the glia for use in various applications, such as electrophysiology, calcium imaging, cell survival assays, immunocytochemistry, and RNA/DNA/protein isolation.
JoVE Clinical and Translational Medicine
In vitro Organoid Culture of Primary Mouse Colon Tumors
1Department of Molecular & Integrative Physiology, University of Michigan, 2Department of Internal Medicine, Division of Gastroenterology, University of Michigan
A simple method to establish primary murine colon tumor organoid is described. This method utilizes the feature that colon tumor cells survive and grow into organoids in media containing limited growth factors, whereas normal colon epithelial do not.
JoVE Neuroscience
Implementing Dynamic Clamp with Synaptic and Artificial Conductances in Mouse Retinal Ganglion Cells
1Discipline of Biomedical Science, School of Medical Sciences, Sydney Medical School and Bosch Institute, University of Sydney, 2The MARCS Institute, University of Western Sydney, 3Discipline of Physiology, School of Medical Sciences, Sydney Medical School and Bosch Institute, University of Sydney
This video article illustrates the set-up, the procedures to patch cell bodies and how to implement dynamic clamp recordings from ganglion cells in whole-mount mouse retinae. This technique allows the investigation of the precise contribution of excitatory and inhibitory synaptic inputs, and their relative magnitude and timing to neuronal spiking.
JoVE General
In vivo and in vitro Studies of Adaptor-clathrin Interaction
Department of Biochemistry and Molecular Biology, Colorado State University
Clathrin-mediated endocytosis depends on adaptor proteins that coordinate cargo selection and clathrin coat assembly. Here we describe procedures to study adaptor-clathrin physical interaction and live cell imaging approaches using as a model the yeast endocytic adaptor protein Sla1p.
JoVE Neuroscience
Experimental Models for Study of Retinal Pigment Epithelial Physiology and Pathophysiology
National Eye Institute, National Institutes of Health
We provide a reproducible method for culturing confluent monolayers of human fetal retinal pigment epithelial cells (hfRPE) cells that exhibit morphology, physiology, polarity, and protein and gene expression patterns of adult native tissue. This work has been extended to an animal model of several eye diseases.
JoVE General
Imaging Effector Memory T cells in the Ear After Induction of Adoptive DTH
1Department of Physiology and Biophysics, University of California, Irvine (UCI), 2Department of Neurobiology and Behavior, University of California, Irvine (UCI)
Here we demonstrate a method for inducing and recording the progress of a delayed type-hypersensitivity (DTH) reaction in the rat ear. This is followed by a demonstration of the preparation of rat ear tissue for two-photon imaging of the effector / memory T cell response.
JoVE Bioengineering
Preparation of 3D Fibrin Scaffolds for Stem Cell Culture Applications
1Department of Biology, University of Victoria, 2Department of Mechanical Engineering, Division of Medical Sciences, University of Victoria
This work details the preparation of 3D fibrin scaffolds for culturing and differentiating plutipotent stem cells. Such scaffolds can be used to screen the effects of various biological compounds on stem cell behavior as well as modified to contain drug delivery systems.
JoVE General
Electron Cryotomography of Bacterial Cells
1Division of Biology, California Institute of Technology - Caltech, 2Howard Hughes Medical Institute, California Institute of Technology - Caltech
We illustrate here how to use electron cryotomography (ECT) to study the ultrastructure of bacterial cells in near-native states, to "macromolecular" (~4 nm) resolution.
JoVE General
Live Imaging of Glial Cell Migration in the Drosophila Eye Imaginal Disc
Department of Zoology, University of British Columbia - UBC
Here we describe a protocol to examine the migration of glial cells into the developing Drosophila eye using live microscopic analysis paired with GFP tagged glial cells.
JoVE General
Live-cell Imaging and Quantitative Analysis of Embryonic Epithelial Cells in Xenopus laevis
1Bioengineering, University of Pittsburgh, 2Developmental Biology, University of Pittsburgh
Xenopus embryonic epithelia are an ideal model system to study cell behaviors such as polarity development and shape change during epithelial morphogenesis. Traditional histology of fixed samples is increasingly being complemented by live-cell confocal imaging. Here we demonstrate methods to isolate frog tissues and visualize live epithelial cells and their cytoskeleton using live-cell confocal microscopy.
JoVE Bioengineering
Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
1Department of Radiology, University of Nebraska Medical Center, 2Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center
Bioimaging methods used to assess cell biodistribution of nanoparticles are applicable for therapeutic and diagnostic monitoring of nanoformulated compounds. The methods described herein are sensitive and specific when assessed by histological coregistration. The methodologies provide a translational pathway from rodent to human applications.
JoVE General
Identification of Protein Complexes in Escherichia coli using Sequential Peptide Affinity Purification in Combination with Tandem Mass Spectrometry
1Banting and Best Department of Medical Research, Donnelly Centre, University of Toronto, 2Deparment of Biochemistry, Research and Innovation Centre, University of Regina, 3Department of Medical Genetics and Microbiology, University of Toronto
Affinity purification of tagged proteins in combination with mass spectrometry (APMS) is a powerful method for the systematic mapping of protein interaction networks and for investigating the mechanistic basis of biological processes. Here, we describe an optimized sequential peptide affinity (SPA) APMS procedure developed for the bacterium Escherichia coli that can be used to isolate and characterize stable multi-protein complexes to near homogeneity even starting from low copy numbers per cell.
JoVE General
Transplantation of GFP-expressing Blastomeres for Live Imaging of Retinal and Brain Development in Chimeric Zebrafish Embryos
1Department of Ophthalmology, University of Pittsburgh, 2Department of Microbiology and Molecular Genetics, University of Pittsburgh
We demonstrate a protocol to generate chimeric zebrafish embryos for live imaging cellular behavior during embryogenesis.
JoVE General
Polarized Translocation of Fluorescent Proteins in Xenopus Ectoderm in Response to Wnt Signaling
Department of Developmental and Regenerative Biology, Mount Sinai School of Medicine
Xenopus embryonic ectoderm has become an attractive model for studies of cell polarity. An assay is described, in which subcellular distribution of fluorescent proteins is assessed in ectoderm cells. This protocol will help address questions related to spatial control of signaling.
JoVE Neuroscience
Mechanical Manipulation of Neurons to Control Axonal Development
Department of Zoology, Michigan State University, East Lansing
Application and direct measurements of forces on neurons in the 2-1000 microdyne range are achieved with high precision using calibrated glass needles. This methodology can be used to control and measure several aspects of axonal development, including axonal initiation, axonal tension, velocity of axonal elongation, and force vectors.
JoVE Neuroscience
Analysis of Trunk Neural Crest Cell Migration using a Modified Zigmond Chamber Assay
1Department of Biology, California State University, Northridge, 2Centro de Biología Celular y Molecular, Universidad Nacional de Córdoba
An approach to analyze the migration of explanted cells (trunk neural crest cells) is described. This method is inexpensive, gentle, and capable of distinguishing chemotaxis from both chemokinesis and other influences on migratory polarity such as those derived from cell-cell interactions within the primary trunk neural crest cell culture.
JoVE General
RNAi Interference by dsRNA Injection into Drosophila Embryos
Department of Biological Sciences, Oakland University
RNA interference has been proven very effective to analyze gene function in Drosophila tracheal development. A detailed protocol used by Jiang lab to inject dsRNA into fly embryos to knockdown gene expression is illustrated. This technique has the potential for screening genes required for tissue and organ development in Drosophila.
JoVE Neuroscience
Morphological Analysis of Drosophila Larval Peripheral Sensory Neuron Dendrites and Axons Using Genetic Mosaics
1Disease Mechanism Research Core, RIKEN Brain Science Institute, 2Graduate School of Science and Engineering, Saitama University
The dendritic arborization sensory neurons of the Drosophila larval peripheral nervous system are useful models to elucidate both general and neuron class-specific mechanisms of neuron differentiation. We present a practical guide to generate and analyze dendritic arborization neuron genetic mosaics.
JoVE Neuroscience
Quantifying the Activity of cis-Regulatory Elements in the Mouse Retina by Explant Electroporation
Department of Pathology and Immunology, Washington University School of Medicine
This protocol describes a simple and inexpensive way to quantify the activity of cis-regulatory elements (i.e., enhancer/promoters) in living mouse retinas via explant electroporation. DNA preparation, retinal dissection, electroporation, retinal explant culture, and post-fixation analysis and quantification are described.
JoVE Neuroscience
Selective Viral Transduction of Adult-born Olfactory Neurons for Chronic in vivo Optogenetic Stimulation
Adult-born neurons of the olfactory bulb can be optogenetically controlled using Channelrhodopsin2-expressing lentiviral injection in the rostral migratory stream and chronic photostimulation with an implanted miniature LED.
JoVE Neuroscience
Methods for Study of Neuronal Morphogenesis: Ex vivo RNAi Electroporation in Embryonic Murine Cerebral Cortex
1Department of Molecular, Cellular Biology and Biochemistry, Brown University, 2Institute for Brain Science, Brown University, 3Department of Psychiatry and Human Behavior, Warren Alpert School of Medicine, Brown University
To conduct a rapid assessment of the function of genes in the development of cerebral cortex, we describe methods involving the ex vivo electroporation of plasmids co-expressing inhibitory RNA (RNAi) and GFP in murine embryonic cortex. This protocol is amenable to the study of various aspects of neurodevelopment such as neurogenesis, neuronal migration and neuronal morphogenesis including dendrite and axon outgrowth.
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