JOINT REPLACEMENT PROSTHESES Fit -Anatomy Function -Kinematics; Range of Motion Fixation Bone cement, bone interdigitation with an irregular surface, bone ingrowth into a porous coating Tribology

BIOMATERIALS-TISSUE INTERACTIONS BIOMATERIAL TISSUE Strength ize scale IOnm 100nm lum 10 um 100 um Imm Modulus of Elasticity Fracture mechanics

B. Cell-Matrix Interactions A. How cells pull onto and deform the matrix to which they attach themselves. B. Cell-matrix interactions control the spontaneous closure of wounds in organs. C. What happens when regeneration is induced?

UNIT CELL PROCESSES Concept of a \Control Volume\ around a Cell Soluble Regulator Cell Matrix

CELLS FOR TISSUE ENGINEERING/REGENERATIVE MEDICINE Autologous -Differentiated parenchymal cells of same or other tissue type -Stem cells (adult) Allogeneic

SACHUSE Massachusetts Institute of Technology Harvard Medical School Brigham and Women's/Massachusetts General Hosp

The Extracellular Matrices Part. 2. Elastin fibers. 3. Proteoglycans(PG) and glycosaminoglycans (GAG). 4. Cell-adhesion molecules (CAM)

biologically active model of ECM acts as an insoluble regulator of cell function image removed due to copyright considerations

RESPONSE TO IMPLANTS WOUND HEALING flury Vascular Response Inflammation Tissue of labile Tissue of and stable cells Permanent cells Framework framework Scar Intact Destroyed

Outline of three lectures on Irreversible Healing of Extracellular Matrix. A. Irreversible healing of ECMs in different organs. B. Structure and function of naturally occurring ECMs. C. Synthesis of biologically active ECM models