motor neuron disease/نقص الأكسجة

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Nocturnal hypoxia in motor neuron disease is not predicted by standard respiratory function tests.

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BACKGROUND With increasing awareness of motor neuron disease (MND) in Australia, the approach to respiratory management of patients with this disease will more commonly face the respiratory physician. OBJECTIVE The aim of this study was to determine if standard respiratory function tests could

Job strain, hypoxia and risk of amyotrophic lateral sclerosis: Results from a death certificate study.

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Amyotrophic lateral sclerosis (ALS) most likely results from a multifactorial gene-environment interaction. Strenuous physical activity and occupational exposures have been suggested to play a role, and an abnormal response to hypoxia has been proposed in ALS pathogenesis. To test the hypothesis of

Deregulation of the hypoxia inducible factor-1α pathway in monocytes from sporadic amyotrophic lateral sclerosis patients.

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The clinical course of the degenerative motor neuron disorder amyotrophic lateral sclerosis (ALS) is closely related to hypoxia. The normal response to hypoxia involves two pathways in particular: the hypoxia inducible factor 1α (HIF-1α) pathway (which notably controls the synthesis of vascular

[Mechanisms of deregulated response to hypoxia in sporadic amyotrophic lateral sclerosis: a clinical study].

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Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder of upper and lower motorneurons, leading to death in 3 to 5 years. Respiratory insufficiency and hypoxemia are closely linked during the clinical course of ALS. Chronic respiratory insufficiency and hypoxemia generally occur late in

6-Deoxyjacareubin, a natural compound preventing hypoxia-induced cell death, ameliorates neurodegeneration in a mouse model of familial amyotrophic lateral sclerosis.

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The central nervous system (CNS) uses a significant amount of oxygen for energy production. Decreased oxygen supply due to impaired blood supply critically damages the CNS. As chronic hypoxic conditions have diverse effects via the excessive production of reactive oxygen species, protection from

Hypoxia causes autophagic stress and derangement of metabolic adaptation in a cell model of amyotrophic lateral sclerosis.

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Amyotrophic lateral sclerosis is a fatal neurodegenerative disease that affects motor neurons. The recruitment of autophagy (macroautophagy) and mitochondrial dysfunction are documented in amyotrophic lateral sclerosis patients and experimental models expressing mutant forms of Cu, Zn superoxide

Impaired cytoplasmic-nuclear transport of hypoxia-inducible factor-1α in amyotrophic lateral sclerosis.

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We investigated the mechanisms underlying abnormal vascular endothelial growth factor (VEGF) production in amyotrophic lateral sclerosis (ALS). We immunohistochemically studied VEGF, its receptors VEGFR1 and 2, and hypoxia-inducible factor-1α (HIF-1α) in autopsied ALS spinal cords. We also

Intermittent hypoxia and stem cell implants preserve breathing capacity in a rodent model of amyotrophic lateral sclerosis.

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BACKGROUND Amyotrophic lateral sclerosis (ALS) is a devastating motor neuron disease causing paralysis and death from respiratory failure. Strategies to preserve and/or restore respiratory function are critical for successful treatment. Although breathing capacity is maintained until late in disease

[Experimental approach to the gene therapy of motor neuron disease with the use of genes hypoxia-inducible factors].

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Motor neuron disease (MND), or amyotrophic lateral sclerosis, is a fatal neurodegenerative disorder characterized by a progressive loss of motor neurons in the spinal cord and the brain. Several angiogenic and neurogenic growth factors, such as the vascular endothelial growth factor (VEGF),

[Motor neuron disease with respiratory insufficiency as primary manifestation].

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A 66-year-old man with dyspnea on exertion suffered a cardiac arrest and was referred to our hospital after emergency room intubation. Chest X-ray films detected no abnormalities. Blood gas analysis showed hypoxemia with normal A-aDO 2, and pulmonary function tests revealed combined ventilatory

Identification of new ANG gene mutations in a large cohort of Italian patients with amyotrophic lateral sclerosis.

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Angiogenin (ANG) gene, coding for an angiogenic factor up-regulated by hypoxia and expressed in ventral horn motor neurons, is a novel candidate for the pathogenesis of amyotrophic lateral sclerosis (ALS). ALS is a fatal neurodegenerative disease characterized by the selective loss of cortical and

High erythropoietin and low vascular endothelial growth factor levels in cerebrospinal fluid from hypoxemic ALS patients suggest an abnormal response to hypoxia.

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Animal studies have highlighted the potentially neuroprotective role of vascular endothelial growth factor (VEGF). Low levels of this growth factor have been found in the cerebrospinal fluid (CSF) of patients with amyotrophic lateral sclerosis (ALS). VEGF (and other proteins, such as erythropoietin

Screening of hypoxia-inducible genes in sporadic ALS.

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Genetic variations in two hypoxia-inducible angiogenic genes, VEGF and ANG, have been linked with sporadic amyotrophic lateral sclerosis (SALS). Common variations in these genes may reduce the levels or functioning of their products. VEGF and ANG belong to a larger group of angiogenic genes that are

A retrospective analysis of sleep quality and survival with domiciliary ventilatory support in motor neuron disease.

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Previous studies have demonstrated that domiciliary ventilatory support improves survival, quality of life and cognitive function in motor neuron disease (MND). These benefits are partly attributed to better sleep quality and less hypoxia. In a retrospective analysis we compared the effect of

Hypoxia-inducible factor 1alpha may be a marker for vasculitic neuropathy.

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Neuromuscular biopsy is still an essential method for diagnosing vasculitic neuropathy, although its diagnostic sensitivity is at most 60%. Our objective was to examine the expression of hypoxia-inducible factor 1alpha (HIF-1alpha) in peripheral nerves and to evaluate its usefulness in diagnosing

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