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Mesenchymal stem cell tracking in the intervertebral disc

查看全文 作　　者：Charles [1,2]Handley;Tony [1,2]Goldschlager;David [1,3]Oehme;Peter [4]Ghosh;Graham [1]Jenkin 高影响力作者 机构地区：[1]The Ritchie Centre, Monash Institute of Medical Research, Monash University, Clayton VIC 3168, Australia;[2]Department of Neurosurgery, Monash Medical Centre, Clayton VIC 3168, Australia;[3]Department of Neurosurgery, St Vincent’s Hospital, Fitzroy VIC 3065, Australia;[4]Proteobioactives Research Laboratories, Brookvale NSW 2100, Australia高影响力机构 出　　处：《World Journal of Stem Cells》索引2015年第7卷第1期,共10页高影响力期刊 摘　　要：Low back pain is a common clinical problem, which leads to significant social, economic and public health costs. Intervertebral disc(IVD) degeneration is accepted as a common cause of low back pain. Initially, this is characterized by a loss of proteoglycans from the nucleus pulposus resulting in loss of tissue hydration and hydrostatic pressure. Conservative management,including analgesia and physiotherapy often fails and surgical treatment, such as spinal fusion, is required. Stem cells offer an exciting possible regenerative approach to IVD disease. Preclinical research has demonstrated promising biochemical, histological and radiological results in restoring degenerate IVDs. Cell tracking provides an opportunity to develop an in-depth understanding of stem cell survival, differentiation and migration, enabling optimization of stem cell treatment. Magnetic Resonance Imaging(MRI) is a non-invasive, non-ionizing imaging modality with high spatial resolution, ideally suited for stem cell tracking. Furthermore, novel MRI sequences have the potential to quantitatively assess IVD disease, providing an improved method to review response to biological treatment. Superparamagnetic iron oxide nanoparticles have been extensively researched for the purpose of cell tracking. These particles are biocompatible, non-toxic and act as excellent MRI contrast agents. This review will explore recent advances and issues in stem cell tracking and molecular imaging in relation to the IVD. 关 键 词：INTERVERTEBRAL DISC Stem cells Cell TRACKING Magnetic resonance imaging INTERVERTEBRAL DISC DEGENERATION
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