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Full-Text Articles in Cell Biology

Exploring New Therapeutic Strategies For Osteoarthritis: From Genetic Manipulation Of Skeletal Tissues To Chemically-Modified Synthetic Hydrogels, Henry Huang Mar 2017

Exploring New Therapeutic Strategies For Osteoarthritis: From Genetic Manipulation Of Skeletal Tissues To Chemically-Modified Synthetic Hydrogels, Henry Huang

GSBS Dissertations and Theses

Osteoarthritis (OA), a degenerative disease of articular joints, is the leading cause of chronic disability in the US and affects more than a third of adults over 65 years old. Due to the obesity epidemic and an aging population, the prevalence of OA is expected to rise in both young and old adults. There are no disease modifying OA drugs. Therefore, providing any treatment options that delay the onset or progression of OA is highly desirable. The scope of this dissertation examines two different strategies to promote translational therapies for OA. The first approach investigated whether Smad ubiquitin regulatory factor ...


Amphiphilic Degradable Polymer/Hydroxyapatite Composites As Smart Bone Tissue Engineering Scaffolds: A Dissertation, Artem B. Kutikov Nov 2014

Amphiphilic Degradable Polymer/Hydroxyapatite Composites As Smart Bone Tissue Engineering Scaffolds: A Dissertation, Artem B. Kutikov

GSBS Dissertations and Theses

Over 600,000 bone-grafting operations are performed each year in the United States. The majority of the bone used for these surgeries comes from autografts that are limited in quantity or allografts with high failure rates. Current synthetic bone grafting materials have poor mechanical properties, handling characteristics, and bioactivity. The goal of this dissertation was to develop a clinically translatable bone tissue engineering scaffold with improved handling characteristics, bioactivity, and smart delivery modalities. We hypothesized that this could be achieved through the rational selection of Food and Drug Administration (FDA) approved materials that blend favorably with hydroxyapatite (HA), the principle ...


Biomimetic Synthetic Tissue Scaffolds For Bone Regeneration: A Dissertation, Tera M. Filion Potts Jul 2011

Biomimetic Synthetic Tissue Scaffolds For Bone Regeneration: A Dissertation, Tera M. Filion Potts

GSBS Dissertations and Theses

Injury to bone is one of the most prevalent and costly medical conditions. Clinical treatment of volumetric bone loss or hard-to-heal bony lesions often requires the use of proper bone grafting materials, with or without adjuvant anabolic therapeutics. Despite significant problems associated with autografting (donor site morbidity, limited supplies) and allografting (disease transmissions, high graft failure rates) procedures, synthetic bone grafts remain the least utilized clinically. Existing synthetic orthopaedic biomaterials rarely possess a combination of bone-like structural and biochemical properties required for robust osteointegration, scalable and user-friendly characteristics indispensable for successful clinical translations. This thesis tests the hypothesis that by ...