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Molecular Genetics Commons

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Full-Text Articles in Molecular Genetics

Characterization Of Mechanotransduction In Annulus Fibrosus Cells, Min Kyu M. Kim Aug 2020

Characterization Of Mechanotransduction In Annulus Fibrosus Cells, Min Kyu M. Kim

Electronic Thesis and Dissertation Repository

IVD degeneration is a multifactorial pathological process associated with back pain. While biomechanical factors are important regulators of IVD homeostasis, mechanical loading also contribute to the onset of IVD degeneration. Importantly, the mechanotransduction pathways that mediate cell type-specific responses to mechanical loading are not well understood. Transient receptor potential vanilloid 4 (TRPV4) is a multimodally activated cell surface cation channel implicated as a mechanoreceptor regulating the mechano-response in other musculoskeletal cell types. Using both in vitro and in vivo models, the current study aimed to characterize the role of TRPV4 in annulus fibrosus (AF) cell mechanotransduction. Using a mechanically dynamic …


Regulators Of Ectopic Calcification In A Mouse Model Of Dish: A Multi-Omics Perspective, Matthew A. Veras Jun 2020

Regulators Of Ectopic Calcification In A Mouse Model Of Dish: A Multi-Omics Perspective, Matthew A. Veras

Electronic Thesis and Dissertation Repository

Diffuse idiopathic skeletal hyperostosis (DISH) is a non-inflammatory spondyloarthropathy and the second most common form of arthritis characterized by formation of ectopic mineral along the spine. Pathological findings in DISH include regional calcification of the anterior longitudinal ligament, paraspinal connective tissues, and annulus fibrosus (AF) of the intervertebral disc (IVD). Clinical symptoms of DISH include increased spine stiffness, decreased spinal range of motion, and in severe cases dysphagia and spinal cord/nerve root compression. The molecular pathways responsible for DISH have not been delineated and as such, there are no disease-modifying treatments. Clinical treatment for DISH is limited to surgical resection …