low back pain/hypoxia

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Effects of Glucose Deprivation on ATP and Proteoglycan Production of Intervertebral Disc Cells under Hypoxia

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As the most common cause of low back pain, the cascade of intervertebral disc (IVD) degeneration is initiated by the disappearance of notochordal cells and progressive loss of proteoglycan (PG). Limited nutrient supply in the avascular disc environment restricts the production of ATP which is an

Hypoxia Helps Maintain Nucleus Pulposus Homeostasis by Balancing Autophagy and Apoptosis

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Intervertebral disc degeneration (IVDD) is a common cause of lower back pain. Programmed cell death (PCD) including apoptosis and autophagy is known to play key mechanistic roles in the development of IVDD. We hypothesized that the nucleus pulposus cells that make up the center of the IVD can be

Hydrogen sulfide is expressed in the human and the rat cultured nucleus pulposus cells and suppresses apoptosis induced by hypoxia.

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Apoptosis plays pivotal role in the pathogenesis of degenerative disc diseases, which is the primary contributor to low back pain. Although the role of hydrogen sulfide (H2S) in cell apoptosis is well appreciated, the effects and mechanism that H2S regulates the program death of intervertebral disc

Regulatory role of hypoxia inducible factor in the biological behavior of nucleus pulposus cells.

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Intervertebral disc (IVD) degeneration is implicated as a major cause of low back pain. The alternated phenotypes, reduced cell survival, decreased metabolic activity, loss of matrix production and dystrophic mineralization of nucleus pulposus (NP) cells may be key contributors to progressive IVD

Effects of hypoxia on differentiation from human placenta-derived mesenchymal stem cells to nucleus pulposus-like cells.

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BACKGROUND Low back pain is a frequently occurring disease caused by intervertebral disc degeneration. Mesenchymal stem cells (MSCs) are a possible treatment modality. Studies have shown MSCs can be transformed into nucleus pulposus-like cells under normoxic conditions. However, this is not a true

Nocturnal low back pain in pregnancy: polysomnographic correlates.

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Thirteen women in late stages of pregnancy underwent a polysomnographic study. Eight women (61%) complained of mild nocturnal back pain or back discomfort. Five women (39%) did not complain of nocturnal back pain. The two groups did not differ in total bed time, total sleep time, sleep latency, and

Prescription of aerobic exercise during pregnancy.

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Available evidence supports the existence of both risks and benefits of aerobic conditioning during human pregnancy. During intensive exertion, maternal skeletal muscle and the fetus may compete for blood flow, oxygen delivery and essential fuel substrates. Hence, the most important hypothetical

[A case of TSS complicated with SSSS in an adult with liver cirrhosis].

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This paper reports a case of TSS complicated with SSSS in an adult with liver cirrhosis. A 52-year-old male, heavy drinker, was referred to our clinic complaining lumbago and painful swelling of the right arm. The patient had peeling of the skin over the hips, knees and elbows with positive

Hypoxic stress enhances extension and branching of dorsal root ganglion neuronal outgrowth

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It has been shown that painful intervertebral discs (IVDs) were associated with a deeper innervation. However, the effect of the disc's degenerative microenvironment on neuronal outgrowth remains largely unknown. The focus of this study was to determine the influence of hypoxia on dorsal root

[Recording muscle spasm in the musculus erector spinae using in vivo 31P magnetic resonance spectroscopy in patients with chronic lumbalgia and generalized tendomyopathies].

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Using 31P nuclear magnetic resonance, the following parameters were determined in the resting musculus erector spinae of five patients suffering from chronic low back pain, five patients with fibromyalgia, and five healthy controls: Inorganic phosphate (Pi), phosphocreatine (PCr), ATP gamma, ATP

Tissue oxygen measurement and 31P magnetic resonance spectroscopy in patients with muscle tension and fibromyalgia.

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Muscle tissue oxygen tension was measured by a polarographic oxygen fine-needle probe, and inorganic phosphate and creatine phosphate spectra were recorded using magnetic resonance spectroscopy in patients with chronic low back pain and in patients with fibromyalgia. Results were compared with

[Forgotten pain].

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A 55-year-old female patient developed a severe chronic lumbar pain syndrome over a period of 17 years. An intervertebral disc operation was performed 5 years after the start of the painful illness. The patient later developed resistance to therapy and was unable to stand or walk. She was confined

[Bone marrow necrosis in two patients with neoplastic disorders].

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Bone marrow necrosis is defined by extensive necrosis of the myeloid tissue and bone marrow stroma. Diagnosis is done on characteristic cytological pattern of the bone marrow aspiration and/or biopsy. We report two observations. The first patient, aged 75, has been hospitalized for fever, asthenia

[Epidemic of hantavirus disease in Entre-Sambre-et-Meuse: year 1992-1993. Clinical and biological aspects].

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A multihospital study allowed us to follow a total of 62 serologically proven cases of Nephropathia epidemica (NE) in the Belgian region between Sambre and Meuse during the 1992-1993 period. The clinical picture consisted of sudden high fever (100% of the cases), headache (71%), abdominal or lumbar

Stem cell-based approaches for intervertebral disc regeneration.

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Degeneration of the intervertebral disc is an age-related progressive process considered to be the major cause of a series of spine disorders, such as low-back pain that affects the majority of adult population and causes a huge loss of time from work and medical expenses. Numerous regenerative

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