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The role of extracellular matrix elasticity and composition in regulating the nucleus pulposus cell phenotype in the intervertebral disc: a narrative review.

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Date
2014-02
Authors
Hwang, Priscilla Y
Chen, Jun
Jing, Liufang
Hoffman, Brenton D
Setton, Lori A
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Abstract
Intervertebral disc (IVD) disorders are a major contributor to disability and societal health care costs. Nucleus pulposus (NP) cells of the IVD exhibit changes in both phenotype and morphology with aging-related IVD degeneration that may impact the onset and progression of IVD pathology. Studies have demonstrated that immature NP cell interactions with their extracellular matrix (ECM) may be key regulators of cellular phenotype, metabolism and morphology. The objective of this article is to review our recent experience with studies of NP cell-ECM interactions that reveal how ECM cues can be manipulated to promote an immature NP cell phenotype and morphology. Findings demonstrate the importance of a soft (<700 Pa), laminin-containing ECM in regulating healthy, immature NP cells. Knowledge of NP cell-ECM interactions can be used for development of tissue engineering or cell delivery strategies to treat IVD-related disorders.
Type
Journal article
Subject
Animals
Cell Differentiation
Computer Simulation
Elastic Modulus
Extracellular Matrix
Fibrillar Collagens
Fibrocartilage
Humans
Intervertebral Disc
Mechanotransduction, Cellular
Models, Biological
Stress, Mechanical
Permalink
https://hdl.handle.net/10161/8879
Published Version (Please cite this version)
10.1115/1.4026360
Publication Info
Hwang, Priscilla Y; Chen, Jun; Jing, Liufang; Hoffman, Brenton D; & Setton, Lori A (2014). The role of extracellular matrix elasticity and composition in regulating the nucleus pulposus cell phenotype in the intervertebral disc: a narrative review. J Biomech Eng, 136(2). pp. 021010. 10.1115/1.4026360. Retrieved from https://hdl.handle.net/10161/8879.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Chen

Jun Chen

Associate Professor of Orthopaedic Surgery
This author no longer has a Scholars@Duke profile, so the information shown here reflects their Duke status at the time this item was deposited.
Hoffman

Brenton D. Hoffman

James L. and Elizabeth M. Vincent Associate Professor of Biomedical Engineering
The overall goal of my research program is to utilize an interdisciplinary approach to first advance the basic understanding of mechanotransduction on multiple scales and then use this knowledge to guide the development of new treatments for mechanosensitive diseases. Our work combines principles and techniques from protein engineering, molecular biology, soft matter physics, cell and developmental biology, biomaterials engineering, automated image analysis, and state of the art live cell mic

Lori A. Setton

Adjunct Professor of Biomedical Engineering
Research in Setton's laboratory is focused on the role of mechanical factors in the degeneration and repair of soft tissues of the musculoskeletal system, including the intervertebral disc, articular cartilage and meniscus. Work in the Laboratory is focused on engineering and evaluating materials for tissue regeneration and drug delivery. Studies combining engineering and biology are also used to determine the role of mechanical factors to promote and control healing of cartilaginous tissues. Re
Alphabetical list of authors with Scholars@Duke profiles.
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