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Biomedical Engineering and Bioengineering

Bioelectrics Publications

Collagen

Publication Year

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Full-Text Articles in Engineering

Biomanufacturing Organized Collagen-Based Microfibers As A Tissue Engineered Device (Tend) For Tendon Regeneration, Yas Maghdouri-White, Nardos Sori, Stella Petrova, Hilary Wriggers, Nathan Kemper, Amrita Dasgupta, Kelly Coughenour, Seth Polk, Nick Thayer, Mario Rodriguez, Bill Simon, Anna Bulysheva, Kevin Bonner,, Steven Arnoczky, Samuel Adams, Michael Francis Sep 2020

Biomanufacturing Organized Collagen-Based Microfibers As A Tissue Engineered Device (Tend) For Tendon Regeneration, Yas Maghdouri-White, Nardos Sori, Stella Petrova, Hilary Wriggers, Nathan Kemper, Amrita Dasgupta, Kelly Coughenour, Seth Polk, Nick Thayer, Mario Rodriguez, Bill Simon, Anna Bulysheva, Kevin Bonner,, Steven Arnoczky, Samuel Adams, Michael Francis

Bioelectrics Publications

Approximately 800,000 surgical repairs are performed annually in the U.S. for debilitating injuries to ligaments and tendons of the foot, ankle, knee, wrist, elbow and shoulder, presenting a significant healthcare burden. To overcome current treatment shortcomings and advance the treatment of tendon and ligament injuries, we have developed a novel electrospun Tissue ENgineered Device (TEND), comprised of type I collagen and poly(D,L-lactide) (PDLLA) solubilized in a benign solvent, dimethyl sulfoxide (DMSO). TEND fiber alignment, diameter and porosity were engineered to enhance cell infiltration leading to promote tissue integration and functional remodeling while providing biomechanical stability. TEND rapidly adsorbs …


Biochemical And Histological Differences Between Costal And Articular Cartilages, Michael W. Stacey Jan 2017

Biochemical And Histological Differences Between Costal And Articular Cartilages, Michael W. Stacey

Bioelectrics Publications

Biologically, costal cartilage is an understudied tissue type and much is yet to be learned regarding underlying mechanisms related to form and function, and how these relate to disease states, specifically chest wall deformity. Chest wall deformities have a component of inheritance, implying underlying genetic causes; however the complexity of inheritance suggests multiple genetic components. At our Centre investigations were performed on gene expression of key select genes from costal cartilage removed at surgery of patients with chest wall deformity to show high expression of decorin, a key player in collagen fiber formation and growth. Also, the degree of tissue …