Autologous nucleus pulposus primes T cells to develop into interleukin-4-producing effector cells: An experimental study on the autoimmune properties of nucleus pulposus
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Influence of simvastatin on the biological behavior of nucleus pulposus-derived mesenchymal stem cells
Objective(s): This research is to study the influences of different concentrations of simvastatin on the biological activities of nucleus pulposus-derived mesenchymal stem cells (NPMSC).Materials and Methods: NPMSC were cultured with different concentrations of simvastatin (0, 0.01, 0.1, and 1 μM) and assessed to determine the possible e...
متن کاملThe Comparative Cytomorphology of Nucleus Pulposus Cells
INTRODUCTION The cells of the embryonic notochord play an important role in formation of the spinal column, including the intervertebral discs (IVDs) (1). These cells become trapped inside the annulus fibrosus and reside within the nucleus pulposus at birth, but are generally lost during aging and replaced by small chondrocyte-like cells. The age at which the notochordal cells are lost varies s...
متن کاملDamping properties of the nucleus pulposus.
BACKGROUND The nucleus pulposus is extremely deformable and it is not uncommon to observe strain amplitudes as large as 12.5% in physiological loading conditions. It has been shown that the nucleus pulposus contributes to the damping properties of the intervertebral disc. The quantification of the damping properties of the nucleus pulposus under physiological large deformations is then a key as...
متن کاملAcid-sensing ion channel 1a regulates the survival of nucleus pulposus cells in the acidic environment of degenerated intervertebral discs
Objective(s): Activation of acid-sensing ion channel 1a (ASIC1a) is responsible for tissue injury caused by acidosis in nervous systems. But its physiological and pathological roles in nucleus pulposus cells (NPCs) are unclear. The aim of this study is to investigate whether ASIC1a regulates the survival of NPCs in the acidic environment of degenerated discs. Materials and Methods: NPCs were i...
متن کاملNucleus pulposus explant culture model.
Many of the therapeutic interventions for intervertebral disc degeneration attempt to repopulate the nucleus pulposus (NP) tissue; however, NP cells are heterogeneous and not well characterized. To address this, we have investigated the morphology, extracellular gene and protein expression, and apoptosis changes in NP explants cultured in vitro with or without chondrogenic reagents for differen...
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ژورنال
عنوان ژورنال: Journal of Orthopaedic Research
سال: 2009
ISSN: 0736-0266,1554-527X
DOI: 10.1002/jor.20691