Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0030567 (Parkinson's disease)
 63,064 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Selenoproteins are important for normal brain function, and decreased function of selenoproteins can lead to impaired cognitive function and neurological disorders. This review examines the possible roles of selenoproteins in Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), and epilepsy. Selenium deficiency is associated with cognitive decline, and selenoproteins may be helpful in preventing neurodegeneration in AD. PD is associated with impaired function of glutathione peroxidase selenoenzymes. In HD, selenium deters lipid peroxidation by increasing specific glutathione peroxidases. Selenium deficiency increases risk of seizures in epilepsy, whereas supplementation may help to alleviate seizures. Further studies on the mechanisms of selenoprotein function will increase our understanding of how selenium and selenoproteins can be used in treatment and prevention of brain disorders.
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PMID:Selenium and selenoprotein function in brain disorders. 2466 86

Vitamin E (alpha-and gamma-tocopherol) may slow the progression of a number of major degenerative diseases of the nervous system that appear to be significantly worsened by oxidative stress. The effects of vitamin E on excitoxicity in cultured neurones is considered, together with ataxia due to vitamin E deficiency (AVED) arising from abetalipoproteinaemia, cholestatic liver disease, cystic fibrosis, short bowel syndrome, total parenteral nutrition, diabetic peripheral neuropathy and familial isolated vitamin E (FIVE) deficiency. Selenium deficiency in Keshan disease is also described in relation to the cardiomyopathy seen in Friedreich's ataxia. Evidence for any beneficial effects of vitamin E upon the course of Friedreich's ataxia, tardive dyskinesia, amyotrophic lateral sclerosis (motor neurone disease), Parkinson's disease, Alzheimer's disease, and Huntington's disease is examined. The application of vitamin E derivatives as protective agents in posttraumatic injury to the nervous system (stroke, head and spinal cord injury and haemorrhage) is discussed.
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PMID:Vitamin E Status and Neurodegenerative Disease. 2740 31