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Basement Membrane: A darkly stained mat-like Extracellular matrix (Ecm) that separates cell layers, such as Epithelium from Endothelium or a layer of Connective tissue. The Ecm layer that supports an overlying Epithelium or Endothelium is called basal lamina. Basement membrane (Bm) can be formed by the fusion of either two adjacent basal laminae or a basal lamina with an adjacent reticular lamina of connective tissue. Bm, composed mainly of Type iv collagen; glycoprotein Laminin; and Proteoglycan, provides barriers as well as channels between interacting cell layers.

How to Study Basement Membrane Stiffness as a Biophysical Trigger in Prostate Cancer and Other Age-related Pathologies or Metabolic Diseases

1Departamento de Genética, Facultad de Medicina, Universidad de la República (UDELAR), 2Department of Mechanistic Cell Biology, Max Planck Institute of Molecular Physiology, 3School of Biological, Biomedical & Environmental Sciences, University of Hull

JoVE 54230

 Cancer Research

The Blood-brain Barrier

JoVE 10841

The blood-brain barrier (BBB) refers to the specialized vasculature that provides the brain with nutrients in the blood while strictly regulating the movement of ions, molecules, pathogens, and other substances. It is composed of tightly linked endothelial cells on one side and astrocyte projections on the other. Together they provide a semipermeable barrier that protects the brain and poses unique challenges to the delivery of therapeutics. The BBB is made up of a variety of cellular components, including endothelial cells and astrocytes. These cells share a common basement membrane and together regulate the passage of components between the circulation and the interstitial fluid surrounding the brain. The first type of cellular component, specialized endothelial cells, make up the walls of the cerebral capillaries. They are connected by extremely tight and complex intercellular junctions. These junctions create a selective physical barrier, preventing simple diffusion of most substances, including average to large-sized molecules such as glucose and insulin. A second cell type, astrocytes, are a type of glial cell of the central nervous system which influences endothelial cell function, blood flow, and ion balance in the brain through interaction and close association with cerebral vasculature. They provide a direct link between the vasculature

 Core: Nervous System

Scanning Electron Microscopy (SEM)

JoVE 5656

Source: Laboratory of Dr. Andrew J. Steckl — University of Cincinnati


A scanning electron microscope, or SEM, is a powerful microscope that uses electrons to form an image. It allows for imaging of conductive samples at magnifications that cannot be achieved using traditional microscopes. Modern light microscopes can achieve a…

 Analytical Chemistry

Invasion Assay Using 3D Matrices

JoVE 5645

The extracellular matrix (ECM) is a network of molecules that provide a structural framework for cells and tissues and helps facilitate intercellular communication. Three-dimensional cell culture techniques have been developed to more accurately model this extracellular environment for in vitro study. While many cell processes during migration through 3D matrices…

 Cell Biology

Reprogramming Primary Amniotic Fluid and Membrane Cells to Pluripotency in Xeno-free Conditions

1Mitchell Cancer Institute, University of South Alabama, 2College of Medicine, University of South Alabama, 3Institute for Regenerative Medicine, University of Zurich, 4Department of Dermatology, University Hospital Zurich, 5Center for Applied Biotechnology and Molecular Medicine (CABMM), University of Zurich - Irchel Campus

JoVE 56003

 Developmental Biology

Forskolin-induced Swelling in Intestinal Organoids: An In Vitro Assay for Assessing Drug Response in Cystic Fibrosis Patients

1Foundation Hubrecht Organoid Technology, 2Department of Pediatric Pulmonology, Regenerative Medicine Centre Utrecht, Wilhelmina Children's Hospital, University Medical Centre Utrecht, 3Department of Stem Cells and Cancer, Walter and Eliza Hall Institute of Medical Research, 4Hubrecht Institute for Developmental Biology and Stem Cell Research, University Medical Centre Utrecht

JoVE 55159

 Medicine

Kinetic Analysis of Vasculogenesis Quantifies Dynamics of Vasculogenesis and Angiogenesis In Vitro

1Department of Cellular and Integrative Physiology, Indiana University School of Medicine, 2Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, 3Indiana Center for Biological Microscopy, Indiana University School of Medicine, 4Department of Medicine, Indiana University School of Medicine, 5Department of Pediatrics, Indiana University School of Medicine, 6Department of Microbiology and Immunology, Indiana University School of Medicine, 7Indiana University Simon Cancer Center, Indiana University School of Medicine

JoVE 57044

 Developmental Biology

Use of Autometallography to Localize and Semi-Quantify Silver in Cetacean Tissues

1Graduate Institute of Molecular and Comparative Pathobiology, National Taiwan University, 2School of Veterinary Medicine, National Taiwan University, 3Department of Oceanography and Asia-Pacific Ocean Research Center, National Sun Yat-sen University, 4Graduate Institute of Veterinary Pathobiology, National Chung Hsing University

JoVE 58232

 Environment

A Combined 3D Tissue Engineered In Vitro/In Silico Lung Tumor Model for Predicting Drug Effectiveness in Specific Mutational Backgrounds

1Department of Tissue Engineering and Regenerative Medicine (TERM), University Hospital Wuerzburg, 2Department of Cardiothoracic Surgery, University Hospital Wuerzburg, 3Department of Bioinformatics, University Wuerzburg, 4Translational Center Wuerzburg, Fraunhofer Institute Interfacial Engineering and Biotechnology IGB

JoVE 53885

 Bioengineering

Improved Method for the Establishment of an In Vitro Blood-Brain Barrier Model Based on Porcine Brain Endothelial Cells

1Lundbeck Foundation Research Initiative on Brain Barriers and Drug Delivery, Department of Biomedicine, Aarhus University, 2Institute of Pharmaceutical Science, King's College London, 3HICoE Centre for Drug Research, Universiti Sains Malaysia

JoVE 56277

 Medicine

Human Pluripotent Stem Cell Based Developmental Toxicity Assays for Chemical Safety Screening and Systems Biology Data Generation

1Center of Physiology and Pathophysiology, Institute of Neurophysiology, University of Cologne, 2Department of Biology, University of Konstanz, 3Department of Statistics, Technical University of Dortmund, 4Leibniz Research Centre for Working Environment and Human Factors, Technical University of Dortmund

JoVE 52333

 Developmental Biology

Genetic Engineering of Primary Mouse Intestinal Organoids Using Magnetic Nanoparticle Transduction Viral Vectors for Frozen Sectioning

1Department of Medicine, Division of Hematology, Johns Hopkins University School of Medicine, 2Department of Natural Sciences, School of Arts & Sciences, Lebanese American University, 3Department of Cell Biology, Johns Hopkins University School of Medicine, 4Department of Oncology, Johns Hopkins University School of Medicine, 5Department of Pathology, Johns Hopkins University School of Medicine, 6Institute for Cell Engineering, Johns Hopkins University School of Medicine

JoVE 57040

 Developmental Biology

Modeling Osteosarcoma Using Li-Fraumeni Syndrome Patient-derived Induced Pluripotent Stem Cells

1Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, 2Graduate School of Biomedical Sciences, The University of Texas MD Anderson Cancer Center UTHealth, 3Department of Musculoskeletal Oncology, The First Affiliated Hospital of Sun Yat-sen University, 4Women's Health Institute, Cleveland Clinic Foundation, 5Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases, The University of Texas Health Science Center at Houston, 6Center for Precision Health, School of Biomedical Informatics and School of Public Health, The University of Texas Health Science Center at Houston

JoVE 57664

 Cancer Research

Preparation and In Vitro Characterization of Magnetized miR-modified Endothelial Cells

1Reference and Translation Center for Cardiac Stem Cell Therapy (RTC), Department of Cardiac Surgery, University of Rostock, 2Physikalisch-Technische Bundesanstalt, 3Department of Radiology and Neuroradiology, Ernst-Moritz-Arndt-University Greifswald, 4Electron Microscopy Center, University of Rostock

JoVE 55567

 Medicine

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis

1School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, 2Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, 3Department of Obstetrics and Gynecology, School of Medicine, Texas Tech University Health Sciences Center

JoVE 59460

 Cancer Research

Construction of Defined Human Engineered Cardiac Tissues to Study Mechanisms of Cardiac Cell Therapy

1Cardiovascular Research Center, Icahn School of Medicine at Mount Sinai, 2The Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, 3Stem Cell & Regenerative Medicine Consortium, LKS Faculty of Medicine, University of Hong Kong

JoVE 53447

 Bioengineering

Epithelial Cell Repopulation and Preparation of Rodent Extracellular Matrix Scaffolds for Renal Tissue Development

1Comprehensive Transplant Center, Feinberg School of Medicine, Northwestern University, 2Department of Surgery, Feinberg School of Medicine, Northwestern University, 3Department of Biomedical Engineering, Northwestern University, 4Simpson Querrey Institute for BioNanotechnology in Medicine, Northwestern University, 5Department of Internal Medicine, University of New Mexico HSC, 6Department of Pathology, University of New Mexico HSC, 7Department of Chemical and Biological Engineering, Northwestern University, 8Chemistry of Life Processes Institute, Northwestern University, 9Department of Surgery, Jesse Brown VA Medical Center

JoVE 53271

 Bioengineering

Isolation of Retinal Arterioles for Ex Vivo Cell Physiology Studies

1Centre for Experimental Medicine, Queen's University of Belfast, 2Centre for Biomedical Sciences (Education), Queen's University of Belfast, 3Department of Pharmaceutical Chemistry and Pharmacognosy, Naresuan University, 4School of Medicine, Dentistry and Biomedical Sciences, Queen's University of Belfast

JoVE 57944

 Biology

Generation of Induced Pluripotent Stem Cells from Frozen Buffy Coats using Non-integrating Episomal Plasmids

1Center for Biomedicine, European Academy Bozen/Bolzano (EURAC), 2Laboratory of Medical Genetics, Fondazione IRCCS Ca´ Granda, Ospedale Maggiore Policlinico, 3Del E. Webb Center for Neuroscience, Aging & Stem Cell Research, Sanford-Burnham Medical Research Institute

JoVE 52885

 Developmental Biology

The Aortic Ring Co-culture Assay: A Convenient Tool to Assess the Angiogenic Potential of Mesenchymal Stromal Cells In Vitro

1Create Fertility Centre, 2Department of Physiology, University of Toronto, 3Department of Obstetrics and Gynecology, University of Toronto, 4Department of Medical Sciences, University of Toronto, 5Department of Obstetrics and Gynecology, Women's College Hospital

JoVE 56083

 Developmental Biology

A Fluorescence-based Assay for Characterization and Quantification of Lipid Droplet Formation in Human Intestinal Organoids

1Division of Pediatrics, Department of Pediatric Gastroenterology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, 2Regenerative Medicine Center, University Medical Center Utrecht, Utrecht University, 3Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University

JoVE 60150

 Medicine
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