Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0038220 (status epilepticus)
 7,272 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Extracellular vesicles (EVs) released from cells play vital roles in intercellular communication. Moreover, EVs released from stem cells have therapeutic properties. This review confers the potential of brain-derived EVs in the cerebrospinal fluid (CSF) and the serum as sources of epilepsy-related biomarkers, and the promise of mesenchymal stem cell (MSC)-derived EVs for easing status epilepticus (SE)-induced adverse changes in the brain. Extracellular vesicles shed from neurons and glia in the brain can also be found in the circulating blood as EVs cross the blood-brain barrier (BBB). Evaluation of neuron and/or glia-derived EVs in the blood of patients who have epilepsy could help in identifying specific biomarkers for distinct types of epilepsies. Such a liquid biopsy approach is also amenable for repeated analysis in clinical trials for comprehending treatment efficacy, disease progression, and mechanisms of therapeutic interventions. Extracellular vesicle biomarker studies in animal prototypes of epilepsy, in addition, could help in identifying specific micro ribonucleic acid (miRNAs) contributing to epileptogenesis, seizures, or cognitive dysfunction in different types of epilepsy. Furthermore, intranasal (IN) administration of MSC-derived EVs after SE has shown efficacy for restraining SE-induced neuroinflammation, aberrant neurogenesis, and cognitive dysfunction in an animal prototype. Clinical translation of EV therapy as an adjunct to antiepileptic drugs appears attractive to counteract the progression of SE-induced epileptogenic changes, as the risk for thrombosis or tumor is minimal with nanosized EVs. Also, EVs can be engineered to deliver specific miRNAs, proteins, or antiepileptic drugs to the brain since they incorporate into neurons and glia throughout the brain after IN administration. This article is part of the Special Issue "NEWroscience 2018".
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PMID:Promise of extracellular vesicles for diagnosis and treatment of epilepsy. 3163 6

Objective: To measure mortality, identify predictors of death and investigate causes of death in patients with anti-gamma-aminobutyric-acid B receptor (anti-GABABR) encephalitis. Methods: Prospective analysis of anti-GABABR encephalitis cases diagnosed between June 2013 and August 2018 in West China Hospital of Sichuan University, with assessment of factors associated with mortality. Results: A total of 28 patients (11 females) with anti-GABABR encephalitis were included in this study. After a maximum time of 52 months (median 11 months, range 2-52) of follow-up, 9 (32.1%) patients died, with a median survival time of 6.5 months. Five patients died of tumor progression, one patient died of convulsive status epilepticus, one patient died of septic shock, and two patients died of severe pneumonia. Predictors of death were older age at onset (P = 0.025), presence of a tumor (66.7 vs. 15.8%, P = 0.013), the number of complications (2.6 vs. 1.0, P = 0.009) and deep venous thrombosis (33.3% vs. 0, P = 0.026). Conclusion: Patients with GABABR encephalitis have a high mortality rate within 5 years. Older age at onset, presence a tumor, the number of complications, and deep venous thrombosis are associated with death.
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PMID:Encephalitis With Antibodies Against the GABAB Receptor: High Mortality and Risk Factors. 3168 Nov 35

Margiad Evans, in the period 1930-1950, an acclaimed English writer, developed convulsive seizures at age 41 and died at age 50 from the tumor that had caused them. In her book "A Ray of Darkness", she describes in profound analytic detail her seizure experiences, especially the isolated auras that had preceded her first convulsion by many years. Their ultimate strangeness echoed a long-standing fascination by the indescribable, which is a recurrent theme in her literary work. Another aspect of her poetry, a focus on the experience of the moment that cannot be retained is likewise reminiscent of the volatility of her aura experiences. Of three texts that are presently being published posthumously, one ("The Nightingale Silenced") is a fragmentary continuation of her epileptic experience. She considered that she still had a lot to describe, contributing the inside of the "outside inside story" of epilepsy, clues on which neurology could work to obtain a deeper understanding. To have a focal motor seizure feels like being invaded by an alien force. An urge to run and heautoscopy are other recorded symptoms. Evans documents the experience of a long-lasting, predominantly nonconvulsive status epilepticus merging into aura continua where her earlier aura experiences appear transformed into a quasipsychotic state. But even in the account of "this appalling, this hellish condition", she is careful to maintain her high literary standards. Together, the two reports on her disease seem to represent the only comprehensive inside case history of epilepsy, a most valuable legacy.
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PMID:Margiad Evans (1909-1958): A writer's epileptic experiences and their reflections in her work. 3178 85


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