• Title/Summary/Keyword: Neuropsychiatric

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A Case of Delayed encephalopathy after Acute Carbon Monoxied Intoxication (일산화탄소 중독 후 발생된 지연성 뇌병증 환자의 치험 및 호전 1예)

  • 김동은;김경훈;김정석;신길조;이원철
    • The Journal of Korean Medicine
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    • v.22 no.3
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    • pp.169-178
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    • 2001
  • After initial recovery from acute carbon monoxide (CO) intoxication, some patients occasionally undergo severe neuropsychiatric deterioration, which is called postanoxic delayed encephalopathy (sequelae). This is the clinical report about one patient, a 73-year-old man, diagnosed with delayed encephalopathy after acute CO intoxication. The symptoms of the patient were mental dysfunction including memory impairment and disorientation, abnormal behavior, incontinence and mutism. He had completely recovered after an aonxic episode, but the neurological symptoms that developed were preceded by an interval of apparent normality (the 'lucid interval'). We characterized him as suffering deficiency syndrome of the heart and prescribed for him Bokreongbosim-tang and Guipi-tang, and thereafter his symptoms were remarkably improved. For the evaluation of clinical improvement, we use the Modified Barthel Index (MBI), Canadian Neurologic Scale (CNS), and the Korean version of the Mini-Mental State Examination (K-MMSE)

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Alterations in dopamine and glutamate neurotransmission in tetrahydrobiopterin deficient spr-/- mice: relevance to schizophrenia

  • Choi, Yong-Kee;Tarazi, Frank I.
    • BMB Reports
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    • v.43 no.9
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    • pp.593-598
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    • 2010
  • Tetrahydrobiopterin ($BH_4$) is a pivotal cofactor for enzymes responsible for the synthesis and release of monoamine neurotransmitters including dopamine and serotonin as well as the release of glutamate. Deficiencies in $BH_4$ levels and reduced activities of $BH_4$-associated enzymes have been recently reported in patients with schizophrenia. Accordingly, it is possible that abnormalities in the biochemical cascades regulated by $BH_4$ may alter DA, 5-HT and Glu neurotransmission, and consequently contribute to the pathophysiology of different neuropsychiatric diseases including schizophrenia. The development of a novel strain of mutant mice that is deficient in $BH_4$ by knocking out the expression of a functional sepiapterin reductase gene (spr -/-) has added new insights into the potential role of $BH_4$ in the pathophysiology and improved treatment of schizophrenia.

Effects of Docosahexaenoic Acid on Neurotransmission

  • Tanaka, Kazuhiro;Farooqui, Akhlaq A.;Siddiqi, Nikhat J.;Alhomida, Abdullah S.;Ong, Wei-Yi
    • Biomolecules & Therapeutics
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    • v.20 no.2
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    • pp.152-157
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    • 2012
  • Docosahexaenoic acid (DHA) is the major polyunsaturated fatty acid (PUFA) in the brain and a structural component of neuronal membranes. Changes in DHA content of neuronal membranes lead to functional changes in the activity of receptors and other proteins which might be associated with synaptic function. Accumulating evidence suggests the beneficial effects of dietary DHA supplementation on neurotransmission. This article reviews the beneficial effects of DHA on the brain; uptake, incorporation and release of DHA at synapses, effects of DHA on synapses, effects of DHA on neurotransmitters, DHA metabolites, and changes in DHA with age. Further studies to better understand the metabolome of DHA could result in more effective use of this molecule for treatment of neurodegenerative or neuropsychiatric diseases.

High-Resolution Microarrays for Mapping Promoter Binding sites and Copy Number Variation in the Human Genome

  • Albert Thomas
    • Proceedings of the Korean Society for Bioinformatics Conference
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    • 2006.02a
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    • pp.125-126
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    • 2006
  • NimbleGen has developed strategies to use its high-density oligonucleotide microarray platform (385,000 probes per array) to map both promoter binding sites and copy number variation at very high-resolution in the human genome. Here we describe a genome-wide map of active promoters determined by experimentally locating the sites of transcription imitation complex binding throughout the human genome using microarrays combined with chromatin immunoprecipitation. This map defines 10,567 active promoters corresponding to 6,763 known genes and at least 1,196 un-annotated transcriptional units. Microarray-based comparative genomic hybridisation (CGH) is animportant research tool for investigating chromosomal aberrations frequently associated with complex diseases such as cancer, neuropsychiatric disorders, and congenital developmental disorders. NimbleGen array CGH is an ultra-high resolution (0.5-50 Kb) oligo array platform that can be used to detect amplifications and deletions and map the associated breakpoints on the whole-genome level or with custom fine-tiling arrays. For whole-genome array CGH, probes are tiled through genic and intergenic regions with a median probe spacing of 6 Kb, which provides a comprehensive, unbiased analysis of the genome.

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Harmful Environmental Factors Leading to Attention-Deficit Hyperactivity Disorder (아동기 주의력결핍 과잉행동장애의 유해환경인자)

  • Kwon, Ho Jang;Ha, Mina;Kim, Bung Nyun;Lim, Myung Ho
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • v.27 no.4
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    • pp.267-277
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    • 2016
  • Attention-deficit hyperactivity disorder (ADHD) is a common, childhood-onset, neuropsychiatric disorder with an estimated prevalence of 2-7.6% in Korean children. Although the etiology of ADHD is not well understood, evidence from genetic factor and environmental factor studies suggests that ADHD results from a gene environmental interaction. In the current study, we reviewed the evidence for and clinical implications of the hypothetical roles of organophosphate pesticides, organochlorine pesticides, polychlorinated biphenyls, phthalate, bisphenol, polyfluoroalkyl chemicals, polycyclic aromatic hydrocarbons, mercury, lead, arsenic, cadmium, manganese, tobacco, alcohol as harmful risk factors in the development of ADHD.

A Case of Idiopathic Basal Ganglia Calcification with Dementia (치매가 동반된 특발성 기저핵 석회화 1례)

  • Shin, Hee-Young;Shin, Il-Seon
    • Korean Journal of Biological Psychiatry
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    • v.13 no.1
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    • pp.38-42
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    • 2006
  • The case of a 66- year-old woman with coexisting idiopathic basal ganglia calcification(IBGC) and dementia was presented. The calcification was detected in bilateral basal ganglia, dentate nucleus, and thalamus by brain imaging. Serum calcium and phosphorus levels were normal. The underlying diseases of calcification of basal ganglia such as parathyroid dysfunction and other infectious, toxic, or metabolic illness were excluded. The patient had memory impairment and frontal executive dysfunction without aphasia, agnosia, apraxia, and visuospatial impairment in neuropsychological test. It suggested that the cognitive impairment might be due to the dysfunction of frontal-subcortical circuit.

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Chronic Fatigue Syndrme (만성 피로 증후군)

  • Song, Gwan-Gyu
    • Journal of muscle and joint health
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    • v.4 no.2
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    • pp.163-176
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    • 1997
  • Chronic fatigue syndrome Is a syndrome of unknown etiology and pathophysiology characterized by severe, chronic, debilitating fatigue as main symptom and numerous additional symptoms such as joint and muscle pain, headache, sleep disturbance. According to recent researches, it was suggested that chronic fatigue syndrome was developed by disturbance of interaction between neuropsychiatric system and immune system due to environmental factors and stress. Many patients experience gradual improvement but complete recovery from disorderd state is rare. There was no research elucidating the exact pathogenetic mechanism of chronic fatigue syndrome, so there was no established treatment. Several controlled studies about treatment was reported, but its results was not effective in all patients with chronic fatigue syndrome. For chronic fatigue syndrome, a comprehensive approach to physical, psychological, and social aspects is needed.

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A study on interaction effect among risk factors of delirium using multifactor dimensionality reduction method

  • Lee, Jong-Hyeong;Lee, Yong-Won;Lee, Yoon-Seok;Lee, Jea-Young
    • Journal of the Korean Data and Information Science Society
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    • v.22 no.6
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    • pp.1257-1264
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    • 2011
  • Delirium is a neuropsychiatric disorder accompanying symptoms of hallucination, drowsiness, and tremors. It has high occurrence rates among elders, heart disease patients, and burn patients. It is a medical emergency associated with increased morbidity and mortality rates. That s why early detection and prevention of delirium ar significantly important. And This mental illness like delirium occurred by complex interaction between risk factors. In this paper, we identify risk factors and interactions between these factors for delirium using multi-factor dimensionality reduction (MDR) method.

Use of Hypnosis in the Treatment of Pain

  • Lee, Jin-Seong;Pyun, Young-Don
    • The Korean Journal of Pain
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    • v.25 no.2
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    • pp.75-80
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    • 2012
  • Hypnosis is an altered state of consciousness that comprises of heightened absorption in focal attention, dissociation of peripheral awareness, and enhanced responsiveness to social cues. Hypnosis has a long tradition of effectiveness in controlling somatic symptoms, such as pain. Pain, the most common symptom in clinical practice, is a multi-dimensional experience, which includes sensory-discriminative, affective-emotional, cognitive and behavioral components. There is a growing recognition for hypnosis and related techniques in pain management. Psychological approaches to pain control, such as hypnosis, can be highly effective analgesics, but are underused in Korea. In this article, we would like to review the basic concepts of hypnosis, the mechanism, and the outcome data of the analgesic effects of hypnosis, and also, its limitations.

Intermittent Fasting: a Promising Approach for Preventing Vascular Dementia

  • Yoon, Gwangho;Song, Juhyun
    • Journal of Lipid and Atherosclerosis
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    • v.8 no.1
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    • pp.1-7
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    • 2019
  • Vascular dementia is the most common neuropsychiatric syndrome and is characterized by synaptic dysfunction, neuroinflammation, and cognitive dysfunction. Vascular dementia is associated with various environmental, genetic, and lifestyle risk factors. Recent research has focused on the association between vascular dementia and dietary patterns, suggesting that dietary regulation leads to better control of energy metabolism, improvements in brain insulin resistance, and the suppression of neuroinflammation. Intermittent fasting is a calorie-restriction method known to be more effective in promoting fat loss and regulating the impairment of glucose metabolism as compared with other dietary restriction regimens. Herein, the authors review the effects of intermittent fasting with regard to vascular dementia based on recent evidence and propose that intermittent fasting could be a therapeutic approach for ameliorating vascular dementia pathology and preventing its onset.