[1] Vos T, Flaxman AD, Naghavi M, et al. Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010. Lancet. 2012;380(9859): 2163-2196. [2] Vergroesen PP, Kingma I, Emanuel KS, et al. Mechanics and biology in intervertebral disc degeneration: a vicious circle. Osteoarthritis Cartilage. 2015;23(7):1057-1070. [3] Chan SC, Walser J, Käppeli P, et al. Region specific response of intervertebral disc cells to complex dynamic loading: an organ culture study using a dynamic torsion-compression bioreactor. PLoS One. 2013;8(8):e72489. [4] Anderson DG, Tannoury C. Molecular pathogenic factors in symptomatic disc degeneration. Spine J. 2005;5(6 Suppl): 260S-266S.[5] Mochida J, Nishimura K, Nomura T, et al. The importance of preserving disc structure in surgical approaches to lumbar disc herniation. Spine (Phila Pa 1976). 1996;21(13):1556-1563; discussion 1563-1564.[6] Mochida J, Toh E, Nomura T, et al. The risks and benefits of percutaneous nucleotomy for lumbar disc herniation. A 10-year longitudinal study. J Bone Joint Surg Br. 2001;83(4): 501-505.[7] Alini M, Roughley PJ, Antoniou J, et al. A biological approach to treating disc degeneration: not for today, but maybe for tomorrow. Eur Spine J. 2002;11 Suppl 2:S215-220.[8] An HS, Thonar EJ, Masuda K. Biological repair of intervertebral disc. Spine (Phila Pa 1976). 2003;28(15 Suppl): S86-92.[9] Hohaus C, Ganey TM, Minkus Y, et al. Cell transplantation in lumbar spine disc degeneration disease. Eur Spine J. 2008; 17 Suppl 4:492-503. [10] Meisel HJ, Siodla V, Ganey T, et al. Clinical experience in cell-based therapeutics: disc chondrocyte transplantation A treatment for degenerated or damaged intervertebral disc. Biomol Eng. 2007;24(1):5-21. [11] Yasen M, Fei Q, Hutton WC, et al. Changes of number of cells expressing proliferation and progenitor cell markers with age in rabbit intervertebral discs. Acta Biochim Biophys Sin (Shanghai). 2013;45(5):368-376. [12] Liu LT, Huang B, Li CQ, et al. Characteristics of stem cells derived from the degenerated human intervertebral disc cartilage endplate. PLoS One. 2011;6(10):e26285. [13] Liu C, Guo Q, Li J, et al. Identification of rabbit annulus fibrosus-derived stem cells. PLoS One. 2014;9(9):e108239. [14] Cao C, Zou J, Liu X, et al. Bone marrow mesenchymal stem cells slow intervertebral disc degeneration through the NF-κB pathway. Spine J. 2015;15(3):530-538. [15] Anderson DG, Markova D, An HS, et al. Human umbilical cord blood-derived mesenchymal stem cells in the cultured rabbit intervertebral disc: a novel cell source for disc repair. Am J Phys Med Rehabil. 2013;92(5):420-429. [16] Liu Y, Fu S, Rahaman MN, et al. Native nucleus pulposus tissue matrix promotes notochordal differentiation of human induced pluripotent stem cells with potential for treating intervertebral disc degeneration. J Biomed Mater Res A. 2015; 103(3):1053-1059. [17] Chen J, Lee EJ, Jing L, et al. Differentiation of mouse induced pluripotent stem cells (iPSCs) into nucleus pulposus-like cells in vitro. PLoS One. 2013;8(9):e75548. [18] Liu K, Chen Z, Luo XW, et al. Determination of the potential of induced pluripotent stem cells to differentiate into mouse nucleus pulposus cells in vitro. Genet Mol Res. 2015;14(4):12394-12405. [19] Ni L, Liu X, Sochacki KR, et al. Effects of hypoxia on differentiation from human placenta-derived mesenchymal stem cells to nucleus pulposus-like cells. Spine J. 2014; 14(10):2451-2458. [20] Jin ES, Min J, Jeon SR, et al. Analysis of molecular expression in adipose tissue-derived mesenchymal stem cells : prospects for use in the treatment of intervertebral disc degeneration. J Korean Neurosurg Soc. 2013;53(4):207-212. [21] Sun Z, Luo B, Liu ZH, et al. Adipose-derived stromal cells protect intervertebral disc cells in compression: implications for stem cell regenerative disc therapy. Int J Biol Sci. 2015; 11(2):133-143. [22] Han B, Wang HC, Li H, et al. Nucleus pulposus mesenchymal stem cells in acidic conditions mimicking degenerative intervertebral discs give better performance than adipose tissue-derived mesenchymal stem cells. Cells Tissues Organs. 2014;199(5-6):342-352. [23] Shi R, Wang F, Hong X, et al. The presence of stem cells in potential stem cell niches of the intervertebral disc region: an in vitro study on rats. Eur Spine J. 2015;24(11):2411-2424. [24] Bertolo A, Mehr M, Aebli N, et al. Influence of different commercial scaffolds on the in vitro differentiation of human mesenchymal stem cells to nucleus pulposus-like cells. Eur Spine J. 2012;21 Suppl 6:S826-838. [25] Mietsch A, Neidlinger-Wilke C, Schrezenmeier H, et al. Evaluation of platelet-rich plasma and hydrostatic pressure regarding cell differentiation in nucleus pulposus tissue engineering. J Tissue Eng Regen Med. 2013;7(3):244-252. [26] Potier E, Ito K. Can notochordal cells promote bone marrow stromal cell potential for nucleus pulposus enrichment? A simplified in vitro system. Tissue Eng Part A. 2014;20(23-24): 3241-3251.[27] Pirvu T, Blanquer SB, Benneker LM, et al. A combined biomaterial and cellular approach for annulus fibrosus rupture repair. Biomaterials. 2015;42:11-19. [28] Naqvi SM, Buckley CT. Differential response of encapsulated nucleus pulposus and bone marrow stem cells in isolation and coculture in alginate and chitosan hydrogels. Tissue Eng Part A. 2015;21(1-2):288-299. [29] Bian Z, Sun J. Development of a KLD-12 polypeptide/ TGF-β1-tissue scaffold promoting the differentiation of mesenchymal stem cell into nucleus pulposus-like cells for treatment of intervertebral disc degeneration. Int J Clin Exp Pathol. 2015;8(2):1093-1103. [30] Gupta MS, Nicoll SB. Duration of TGF-β3 Exposure Impacts the Chondrogenic Maturation of Human MSCs in Photocrosslinked Carboxymethylcellulose Hydrogels. Ann Biomed Eng. 2015;43(5):1145-1157. [31] Nair MB, Baranwal G, Vijayan P, et al. Composite hydrogel of chitosan-poly(hydroxybutyrate-co-valerate) with chondroitin sulfate nanoparticles for nucleus pulposus tissue engineering. Colloids Surf B Biointerfaces. 2015;136:84-92. [32] Salvatierra JC, Yuan TY, Fernando H, et al. Difference in Energy Metabolism of Annulus Fibrosus and Nucleus Pulposus Cells of the Intervertebral Disc. Cell Mol Bioeng. 2011;4(2):302-310.[33] Dai J, Wang H, Liu G, et al. Dynamic compression and co-culture with nucleus pulposus cells promotes proliferation and differentiation of adipose-derived mesenchymal stem cells. J Biomech. 2014;47(5):966-972. [34] Hu X, Zhou Y, Zheng X, et al. Differentiation of menstrual blood-derived stem cells toward nucleus pulposus-like cells in a coculture system with nucleus pulposus cells. Spine (Phila Pa 1976). 2014;39(9):754-760. [35] Arkesteijn IT, Smolders LA, Spillekom S, et al. Effect of coculturing canine notochordal, nucleus pulposus and mesenchymal stromal cells for intervertebral disc regeneration. Arthritis Res Ther. 2015;17:60. [36] Liang C, Li H, Tao Y, et al. Responses of human adipose- derived mesenchymal stem cells to chemical microenvironment of the intervertebral disc. J Transl Med. 2012;10:49. [37] Naqvi SM, Buckley CT. Extracellular matrix production by nucleus pulposus and bone marrow stem cells in response to altered oxygen and glucose microenvironments. J Anat. 2015;227(6):757-766.[38] Teixeira GQ, Boldt A, Nagl I, et al. A Degenerative/ Proinflammatory Intervertebral Disc Organ Culture: An Ex Vivo Model for Anti-inflammatory Drug and Cell Therapy. Tissue Eng Part C Methods. 2016;22(1):8-19. [39] Furtwängler T, Chan SC, Bahrenberg G, et al. Assessment of the matrix degenerative effects of MMP-3, ADAMTS-4, and HTRA1, injected into a bovine intervertebral disc organ culture model. Spine (Phila Pa 1976). 2013;38(22): E1377-1387. [40] Pattappa G, Peroglio M, Sakai D, et al. CCL5/RANTES is a key chemoattractant released by degenerative intervertebral discs in organ culture. Eur Cell Mater. 2014;27:124-136; discussion 136.[41] Tiaden AN, Klawitter M, Lux V, et al. Detrimental role for human high temperature requirement serine protease A1 (HTRA1) in the pathogenesis of intervertebral disc (IVD) degeneration. J Biol Chem. 2012;287(25):21335-21345. [42] Hu J, Deng G, Tian Y, et al. An in vitro investigation into the role of bone marrow?derived mesenchymal stem cells in the control of disc degeneration. Mol Med Rep. 2015;12(4): 5701-5708.[43] Luo XW, Liu K, Chen Z, et al. Adenovirus-mediated GDF-5 promotes the extracellular matrix expression in degenerative nucleus pulposus cells. J Zhejiang Univ Sci B. 2016;17(1): 30-42.[44] Clarke LE, McConnell JC, Sherratt MJ, et al. Growth differentiation factor 6 and transforming growth factor-beta differentially mediate mesenchymal stem cell differentiation, composition, and micromechanical properties of nucleus pulposus constructs. Arthritis Res Ther. 2014;16(2):R67. [45] de Vries SA, Potier E, van Doeselaar M, et al. Conditioned medium derived from notochordal cell-rich nucleus pulposus tissue stimulates matrix production by canine nucleus pulposus cells and bone marrow-derived stromal cells. Tissue Eng Part A. 2015;21(5-6):1077-1084. [46] Suzuki S, Fujita N, Hosogane N, et al. Excessive reactive oxygen species are therapeutic targets for intervertebral disc degeneration. Arthritis Res Ther. 2015;17:316.[47] Bendtsen M, Bünger CE, Zou X, et al. Autologous stem cell therapy maintains vertebral blood flow and contrast diffusion through the endplate in experimental intervertebral disc degeneration. Spine (Phila Pa 1976). 2011;36(6):E373-379. [48] Ghosh P, Moore R, Vernon-Roberts B, et al. Immunoselected STRO-3+ mesenchymal precursor cells and restoration of the extracellular matrix of degenerate intervertebral discs. J Neurosurg Spine. 2012;16(5):479-488. [49] Tam V, Rogers I, Chan D, et al. A comparison of intravenous and intradiscal delivery of multipotential stem cells on the healing of injured intervertebral disk. J Orthop Res. 2014; 32(6):819-825. [50] Li YY, Diao HJ, Chik TK, et al. Delivering mesenchymal stem cells in collagen microsphere carriers to rabbit degenerative disc: reduced risk of osteophyte formation. Tissue Eng Part A. 2014;20(9-10):1379-1391. [51] Besalti O, Can P, Akpinar E, et al. Intraspinal Transplantation of Autologous Neurogenically-Induced Bone Marrow-Derived Mesenchymal Stem Cells in the Treatment of Paraplegic Dogs without Deep Pain Perception Secondary to Intervertebral Disk Disease. Turk Neurosurg. 2015;25(4): 625-632.[52] Subhan RA, Puvanan K, Murali MR, et al. Fluoroscopy assisted minimally invasive transplantation of allogenic mesenchymal stromal cells embedded in HyStem reduces the progression of nucleus pulposus degeneration in the damaged ntervertebral [corrected] disc: a preliminary study in rabbits. ScientificWorldJournal. 2014;2014:818502. [53] Wang YH, Yang B, Li WL, et al. Effect of the mixture of bone marrow mesenchymal stromal cells and annulus fibrosus cells in repairing the degenerative discs of rabbits. Genet Mol Res. 2015;14(1):2365-2373. [54] Yi Z, Guanjun T, Lin C, et al. Effects of Transplantation of hTIMP1-Expressing Bone Marrow Mesenchymal Stem Cells on the Extracellular Matrix of Degenerative Intervertebral Discs in an in vivo Rabbit Model. Spine (Phila Pa 1976). 2014. in press.[55] Marfia G, Campanella R, Navone SE, et al. Potential use of human adipose mesenchymal stromal cells for intervertebral disc regeneration: a preliminary study on biglycan-deficient murine model of chronic disc degeneration. Arthritis Res Ther. 2014;16(5):457. [56] Vadalà G, Sowa G, Hubert M, et al. Mesenchymal stem cells injection in degenerated intervertebral disc: cell leakage may induce osteophyte formation. J Tissue Eng Regen Med. 2012; 6(5):348-355. [57] Orozco L, Soler R, Morera C, et al. Intervertebral disc repair by autologous mesenchymal bone marrow cells: a pilot study. Transplantation. 2011;92(7):822-828.[58] Pettine KA, Murphy MB, Suzuki RK, et al. Percutaneous injection of autologous bone marrow concentrate cells significantly reduces lumbar discogenic pain through 12 months. Stem Cells. 2015;33(1):146-156.[59] Pang X, Yang H, Peng B. Human umbilical cord mesenchymal stem cell transplantation for the treatment of chronic discogenic low back pain. Pain Physician. 2014; 17(4):E525-530.[60] Mochida J, Sakai D, Nakamura Y, et al. Intervertebral disc repair with activated nucleus pulposus cell transplantation: a three-year, prospective clinical study of its safety. Eur Cell Mater. 2015;29:202-212; discussion 212. |