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The anatomic and functional effects of clavicle malunion, defined as 15 mm of shortening, were evaluated in 10 subjects. Bilateral shoulder computed tomography with 3-dimensional reconstructions was performed. A self-administered questionnaire was completed, and biomechanical testing of subjects was undertaken comparing strength and velocity of movement(More)
Driven by market demand, many biological and synthetic scaffolds have been developed during the last 15 years. Both positive and negative results have been reported in clinical applications for tendon and ligament repair. To obtain data for this review, multiple electronic databases were used (e.g., Pubmed and ScienceDirect), as well as the US FDA website(More)
BACKGROUND Severe chronic lateral epicondylitis (LE) is associated with degenerative tendon changes, extracellular matrix breakdown, and tendon cell loss. On the basis of positive outcomes from preclinical studies, this study is the first clinical trial of autologous tenocyte injection (ATI) on severe tendinopathy associated with chronic LE. HYPOTHESIS(More)
Large and retracted rotator cuff tendon tears fail to repair or retear after surgical intervention. This study attempted to develop novel tissue-engineering approaches using tenocyte-seeded bioscaffolds for tendon reconstruction of massive rotator cuff tendon defect in rabbits. Porcine small intestine submucosa (Restore) and type I/III collagen bioscaffold(More)
Many new therapeutics for Alzheimer's disease delay the accumulation of amyloid-β (Aβ) in transgenic mice, but evidence for clearance of preexisting plaques is often lacking. Here, we demonstrate that anti-Aβ immunotherapy combined with suppression of Aβ synthesis allows significant removal of antecedent deposits. We treated amyloid-bearing tet-off APP(More)
In a now popular video game, pugnacious birds are catapulted at jumbled debris, with the goal of liberating their entrapped comrades. Analogously, potentiation of the cognition-mediating transcriptional factor, cyclic adenosine monophosphate (cAMP)-response element binding protein (CREB), or its downstream effectors, may release memory or cognitive function(More)
The purpose of this prospective, randomized study was to apply an 8-week customized exercise program to patients (Group E) scheduled for total hip arthroplasty, followed by a postsurgery exercise program, and show the effect on functional recovery compared with control subjects (Group C) who received no additional exercise apart from routine in-hospital(More)
BACKGROUND Tendon-bone healing after rotator cuff repair directly correlates with a successful outcome. Biological therapies that elevate local growth-factor concentrations may potentiate healing after surgery. PURPOSE To ascertain whether postoperative and repeated application of platelet-rich plasma (PRP) to the tendon repair site improves early tendon(More)
PURPOSE The aim of this study was to investigate the relationship between the disruption of ECM and cellular events including autophagic cell death, apoptosis and cell differentiation into myofibroblasts in the degenerative rotator cuff tendon. METHODS Tendon samples were collected from 30 patients undergoing surgery for rotator cuff tears. Apoptosis,(More)
Identification of functional programmable mechanical stimulation (PMS) on tendon not only provides the insight of the tendon homeostasis under physical/pathological condition, but also guides a better engineering strategy for tendon regeneration. The aims of the study are to design a bioreactor system with PMS to mimic the in vivo loading conditions, and to(More)