Extracellular Matrix News Volume 6.45 | Nov 19 2015

Arsenic Promotes NF-κB-Mediated Fibroblast Dysfunction and Matrix Remodeling to Impair Muscle Stem Cell Function
Scientists tested the novel hypothesis that arsenic drives a maladaptive fibroblast phenotype to promote pathogenic myomatrix remodeling and compromise the muscle stem cell niche. [Stem Cells]
Abstract | Press Release

Osteogenesis of Peripheral Blood Mesenchymal Stem Cells in Self Assembling Peptide Nanofiber for Healing Critical Size Calvarial Bony Defect
Peripheral blood mesenchymal stem cells (PBMSCs) were seeded into a nanofiber scaffold of self-assembling peptide (SAP) and cultured in osteogenic medium. The results indicated SAP can serve as a promising scaffold for PBMSCs survival and osteogenic differentiation in 3D conditions. [Sci Rep] Full Article

Human Proximal Tubule Epithelial Cells Cultured on Hollow Fibers: Living Membranes That Actively Transport Organic Cations
Unique human conditionally immortalized proximal tubule epithelial cell monolayers were cultured on biofunctionalized MicroPES (polyethersulfone) hollow fiber membranes and functionally tested using microfluidics. [Sci Rep] Full Article

Transplantation of Three-Dimensional Artificial Human Vascular Tissues Fabricated Using an Extracellular Matrix Nanofilm-Based Cell-Accumulation Technique
Scientists established a novel three-dimensional tissue-constructing technique, referred to as the ‘cell-accumulation method’, which is based on the self-assembly of cultured human cells. In this technique, cells are coated with fibronectin and gelatin to construct extracellular matrix nanofilms and cultured to form multi-layers in vitro. [J Tissue Eng Regen Med] Abstract

Cardiac Derived Extracellular Matrix Enhances Cardiogenic Properties of Human Cardiac Progenitor Cells
Researchers investigated the influence of the myocardial matrix hydrogel on Sca-1-like human fetal and adult cardiac progenitor cells when encapsulated in 3D in vitro. They also evaluated the use of the myocardial matrix as hydrogel for in vivo cell transplantation and demonstrated that the gelation properties of the hydrogel are not influenced by the cells. [Cell Transplant] Abstract

Perlecan Diversely Regulates the Migration and Proliferation of Distinct Cell Types In Vitro
The authors cultured various cell types, which were derived from epithelial/endothelial, connective and muscle tissues, in the presence of either antiserum against perlecan or exogenous perlecan, and examined the effects of perlecan on cell migration and proliferation. [Cells Tissues Organs] Abstract

Extracellular Matrix Remodeling in Wound Healing of Critical Size Defects in the Mitral Valve Leaflet
The synthesis and turnover of valvular extracellular matrix due to healing of a critical sized wound was investigated. Acute valve injury elicited distinct, heterogeneous alterations in valvular matrix composition and structure, resulting in partial wound closure. [Heart Vessels] Abstract

Extracellular Matrix Structure
The authors review the complex extracellular matrix (ECM) structure to provide a better understanding of its dynamic structural and functional multipotency. Where relevant, the implication of the various families of ECM macromolecules in health and disease is also presented. [Adv Drug Deliv Rev] Abstract

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Collagen Matrix, Inc. Selected to Participate in FDA’s Experiential Learning Program
Collagen Matrix, Inc. announced it has been selected to participate in the Food and Drug Administration’s Experiential Learning Program (ELP). The ELP is designed to provide the FDA’s Center for Devices and Radiological Health review staff with real-world experience in the design, manufacture and use of medical devices. [Collagen Matrix, Inc. (PR Newswire Association LLC)] Press Release

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Food and Drug Administration (United States)

Center for Biologics Evaluation and Research (United States)

European Medicines Agency (European Union)

Medicines and Healthcare Products Regulatory Agency (United Kingdom)

Therapeutic Goods Administration (Australia)

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Professor – Bioengineering (University of Colorado Denver and Anschutz Medical Campus)

Postdoctoral Position – Scaffold Design & Drug/Gene Delivery for Neural Tissue Engineering (Nanyang Technological University)

Postdoctoral Position – Stem Cell Engineering Research (Nanyang Technological University)

Postdoctoral Position – hPSC-Derived Cardiomyocyte Grafts in Injured Hearts (University Health Network)

Faculty Position – Neuromuscular Bioengineering (Northwestern University)

Postdoctoral Position – Structural Studies of Bacterial Protein Secretion (University of Brussels)

Postdoctoral Position – Tissue Engineering and Regenerative Medicine (Northwestern University)

Postdoctoral Position – Biomaterials for Cell Reprogramming (Institute of Tissue Regeneration Engineering)

Director – Oncology Research (Novartis Institutes for BioMedical Research)

Director – Clinical Development (Novadip Biosciences)

Postdoctoral Research Fellow – Ex Vivo Tumor Organoid Models (Fred Hutchinson Cancer Research Center)

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