نتایج جستجو برای: cartilage
تعداد نتایج: 34133 فیلتر نتایج به سال:
A tetrapolar method to measure electrical conductivity of cartilage and bone, and to estimate the thickness of articular cartilage attached to bone, was developed. We determined the electrical conductivity of humeral head bovine articular cartilage and subchondral bone from a 1- to 2-year-old steer to be 1.14+/-0.11 S/m (mean+/-sd, n =11) and 0.306+/-0.034 S/m, (mean+/-sd, n =3), respectively. ...
Objective: This clinical study was conducted to evaluate a cartilage repair procedure of transplanting particulated juvenile cartilage tissue allograft (DeNovo NT Natural Tissue Graft). Design: A multi-center, prospective, single arm, 25-subject clinical study was designed to evaluate clinical outcomes such as IKDC and KOOS scores, as well as extent and quality of repair with MRI and optional b...
The action of sodium hypochlorite (NaOCl) on bovine nasal cartilage was studied by proton nuclear magnetic resonance (1H-NMR) spectroscopy in order to model degradation processes of cartilage caused by neutrophil-derived hypochlorous acid. Nasal cartilage was chosen as a mean of comparison because it differs from articular cartilage in its composition. It contains some more proteoglycans, i.e. ...
Tissue engineering (TE) has been proven usefulness in cartilage defect repair. For effective cartilage repair, the structural orientation of the cartilage scaffold should mimic that of native articular cartilage, as this orientation is closely linked to cartilage mechanical functions. Using thermal-induced phase separation (TIPS) technology, we have fabricated an oriented cartilage extracellula...
Osteoarthritis (OA) is characterized by degenerative changes within joints that involved quantitative and/or qualitative alterations of cartilage and synovial fluid lubricin, a mucinous glycoprotein secreted by synovial fibroblasts and chondrocytes. Modern therapeutic methods, including tissue-engineering techniques, have been used to treat mechanical damage of the articular cartilage but to da...
Introduction and Motivation. In osteoarthritis of the knee (knee OA), different morphological, molecular, and biochemical biomarkers for predicting or evaluating the degree of knee OA have been investigated. It has been observed that with progression of knee OA morphometric parameters such as cartilage thickness and volume decrease; and that molecular and biochemical cartilage properties such a...
The purpose of this article is to review the current image study of articular cartilage in China, the conventional and new MRI sequences to be used in cartilage, the clinical application of MRI, Our team’s achievements, and future directions and developments in cartilage imaging. In conclusion, articular cartilage plays an important role in the function of the joints of the body. MRI is a nonin...
Immunohistochemical localization of collagen types I, II, and X, aggrecan, versican, dentin matrix protein (DMP)-1, martix extracellular phosphoprotein (MEPE) were performed for Meckel's cartilage, cranial base cartilage, and mandibular condylar cartilage in human midterm fetuses; staining patterns within the condylar cartilage were compared to those within other cartilaginous structures. Mandi...
OBJECTIVE The articular cartilage of autologous osteochondral grafts is typically different in structure and function from local host cartilage and thereby presents a remodeling challenge. The hypothesis of this study was that properties of the articular cartilage of trochlear autografts and adjacent femoral condyle are associated with the 3-D geometrical match between grafted and contralateral...
The cartilage matrix deficiency (cmd/cmd) mouse fails to synthesize the core protein of cartilage-characteristic proteoglycan (cartilage PG). Chondrocytes from the cmd/cmd cartilage cultured in vitro produced nodules with greatly reduced extracellular matrix. Immunofluorescence staining revealed that the nodules of mutant cells differed from the normal in lacking cartilage PG and in uneven and ...
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