title: Artificial extracellular matrix proteins contain heparin-binding and RGD-containing domains to improve osteoblast-like cell attachment and growth.
abstract: Through the recombinant DNA technology, it is possible to create artificial extracellular matrix (aECM) proteins with domains chosen to modulate cellular behaviors. In this study, we constructed three aECM proteins containing both heparin-binding and RGD-containing domains (387RGDS, Tri-FN10, and TNC-FN3) produced in Escherichia coli. Promotion of MG-63 cell attachment and growth in two-dimensional (2D) cultures (tissue culture plate, polycaprolactone membrane) and 3D cultures (Cytodex 1 and Plastic Plus microcarriers) were demonstrated on these three aECM protein-coated surfaces. These three aECM proteins improved MG-63 cell attachment and growth in the order TNC-FN3 > Tri-FN10 > 387RGDS in both 2D and 3D cultures. This study is the first report of the construction of aECM proteins that contain both heparin-binding and RGD-containing domains used in osteoblast tissue engineering applications.
authors.affiliation: Institute of Biotechnology, Department of Life Science, National Tsing-Hua University, Hsinchu, Taiwan.
authors.forename: Suh-Chin
authors.initials: SC
authors.lastname: Wu
authors.forename: Jung-Chuan
authors.initials: JC
authors.lastname: Yu
authors.forename: Shan-Hui
authors.initials: SH
authors.lastname: Hsu
authors.forename: David Chanhen
authors.initials: DC
authors.lastname: Chen
mesh_terms: D000595:Amino Acid Sequence; D001665:Binding Sites; D002448:Cell Adhesion; D002460:Cell Line; D049109:Cell Proliferation; D048430:Cell Shape; D016326:Extracellular Matrix Proteins / Q000737:chemistry / Q000235:genetics / Q000302:isolation & purification / Q000378:metabolism*; D015870:Gene Expression; D006493:Heparin / Q000378:metabolism*; D006801:Humans; D008969:Molecular Sequence Data; D009842:Oligopeptides / Q000737:chemistry / Q000235:genetics / Q000378:metabolism*; D010006:Osteoblasts / Q000166:cytology* / Q000378:metabolism
chemical_list: D016326:Extracellular Matrix Proteins; D009842:Oligopeptides; C047981:arginyl-glycyl-aspartic acid; D006493:Heparin