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- Archer, Trevor, 1949
(författare)
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Effects of Exogenous Agents on Brain Development: Stress, Abuse and Therapeutic Compounds.
- 2010
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Ingår i: CNS neuroscience & therapeutics. - : Wiley. - 1755-5949 .- 1755-5930.
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Tidskriftsartikel (refereegranskat)abstract
- SUMMARY The range of exogenous agents likely to affect, generally detrimentally, the normal development of the brain and central nervous system defies estimation although the amount of accumulated evidence is enormous. The present review is limited to certain types of chemotherapeutic and "use-and-abuse" compounds and environmental agents, exemplified by anesthetic, antiepileptic, sleep-inducing and anxiolytic compounds, nicotine and alcohol, and stress as well as agents of infection; each of these agents have been investigated quite extensively and have been shown to contribute to the etiopathogenesis of serious neuropsychiatric disorders. To greater or lesser extent, all of the exogenous agents discussed in the present treatise have been investigated for their influence upon neurodevelopmental processes during the period of the brain growth spurt and during other phases uptill adulthood, thereby maintaining the notion of critical phases for the outcome of treatment whether prenatal, postnatal, or adolescent. Several of these agents have contributed to the developmental disruptions underlying structural and functional brain abnormalities that are observed in the symptom and biomarker profiles of the schizophrenia spectrum disorders and the fetal alcohol spectrum disorders. In each case, the effects of the exogenous agents upon the status of the affected brain, within defined parameters and conditions, is generally permanent and irreversible.
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- Elger, Christian, et al.
(författare)
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Pooled efficacy and safety of eslicarbazepine acetate as add-on treatment in patients with focal-onset seizures: Data from four double-blind placebo-controlled pivotal phase III clinical studies
- 2017
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Ingår i: CNS Neuroscience and Therapeutics. - : Wiley. - 1755-5930 .- 1755-5949. ; 23, s. 961-972
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Tidskriftsartikel (refereegranskat)abstract
- © 2017 The Authors. CNS Neuroscience & Therapeutics Published by John Wiley & Sons Ltd. Purpose: Pooled evaluation of the key efficacy and safety profile of eslicarbazepine acetate (ESL) added-on to stable antiepileptic therapy in adults with focal-onset seizures. Methods: Data from 1703 patients enrolled in four phase III double-blind, randomized, placebo-controlled studies were pooled and analyzed. Following a 2week titration period, ESL was administered at 400mg, 800mg, and 1200mg once-daily doses for 12weeks (maintenance period). Pooled efficacy variable was standardized (/4weeks) seizure frequency (SSF) analyzed over the maintenance period as reduction in absolute and relative SSF and proportion of responders (≥50% reduction in SSF). Pooled safety was analyzed by means of adverse events and clinical laboratory assessments. Results: SSF was significantly reduced with ESL 800mg (P<0.0001) and 1200mg (P<0.0001) compared to placebo. Median relative reduction in SSF was 33.4% for ESL 800mg and 37.8% for 1200mg (placebo: 17.6%), and responder rate was 33.8% and 43.1% (placebo: 22.2%). ESL was more efficacious than placebo regardless of gender, geographical region, epilepsy duration, age at time of diagnosis, seizure type, and type of concomitant antiepileptic drugs (AED). Incidence of adverse events (AEs) and AEs leading to discontinuation was dose dependent. Most common AEs (>10% patients) were dizziness, somnolence, and nausea. The incidence of treatment-emergent AEs (dizziness, somnolence, ataxia, vomiting, and nausea) was lower in patients who began taking ESL 400mg (followed by 400mg increments to 800 or 1200mg) than in those who began taking ESL 600mg or 800mg. Conclusions: Once-daily ESL 800mg and 1200mg showed consistent results across all efficacy and safety endpoints, independent of study population characteristics and type of concomitant AEDs. Treatment initiated with ESL 400mg followed by 400mg increments to 800 or 1200mg provides optimal balance of efficacy and tolerability.
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- Johansson, Dongni, 1988, et al.
(författare)
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Individualization of levodopa treatment using a microtablet dispenser and ambulatory accelerometry
- 2018
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Ingår i: CNS Neuroscience & Therapeutics. - : Wiley. - 1755-5930 .- 1755-5949. ; 24:5, s. 439-447
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Tidskriftsartikel (refereegranskat)abstract
- Aim: This 4-week open-label observational study describes the effect of introducing a microtablet dose dispenser and adjusting doses based on objective free-living motor symptom monitoring in individuals with Parkinson's disease (PD). Methods: Twenty-eight outpatients with PD on stable levodopa treatment with dose intervals of ≤4 hour had their daytime doses of levodopa replaced with levodopa/carbidopa microtablets, 5/1.25 mg (LC-5) delivered from a dose dispenser device with programmable reminders. After 2 weeks, doses were adjusted based on ambulatory accelerometry and clinical monitoring. Results: Twenty-four participants completed the study per protocol. The daily levodopa dose was increased by 15% (112 mg, P < 0.001) from period 1 to 2, and the dose interval was reduced by 12% (22 minutes, P = 0.003). The treatment adherence to LC-5 was high in both periods. The MDS-UPDRS parts II and III, disease-specific quality of life (PDQ-8), wearing-off symptoms (WOQ-19), and nonmotor symptoms (NMS Quest) improved after dose titration, but the generic quality-of-life measure EQ-5D-5L did not. Blinded expert evaluation of accelerometry results demonstrated improvement in 60% of subjects and worsening in 25%. Conclusions: The introduction of a levodopa microtablet dispenser and accelerometry aided dose adjustments improve PD symptoms and quality of life in the short term.
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- Mincheva, Gergana, et al.
(författare)
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Golexanolone, a GABAA receptor modulating steroid antagonist, restores motor coordination and cognitive function in hyperammonemic rats by dual effects on peripheral inflammation and neuroinflammation
- 2022
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Ingår i: CNS Neuroscience & Therapeutics. - : John Wiley & Sons. - 1755-5930 .- 1755-5949. ; 28:11, s. 1861-1874
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Tidskriftsartikel (refereegranskat)abstract
- Aims: Hyperammonemic rats show peripheral inflammation, increased GABAergic neurotransmission and neuroinflammation in cerebellum and hippocampus which induce motor incoordination and cognitive impairment. Neuroinflammation enhances GABAergic neurotransmission in cerebellum by enhancing the TNFR1-glutaminase-GAT3 and TNFR1-CCL2-TrkB-KCC2 pathways. Golexanolone reduces GABAA receptors potentiation by allopregnanolone. This work aimed to assess if treatment of hyperammonemic rats with golexanolone reduces peripheral inflammation and neuroinflammation and restores cognitive and motor function and to analyze underlying mechanisms.Methods: Rats were treated with golexanolone and effects on peripheral inflammation, neuroinflammation, TNFR1-glutaminase-GAT3 and TNFR1-CCL2-TrkB-KCC2 pathways, and cognitive and motor function were analyzed.Results: Hyperammonemic rats show increased TNFα and reduced IL-10 in plasma, microglia and astrocytes activation in cerebellum and hippocampus, and impaired motor coordination and spatial and short-term memories. Treating hyperammonemic rats with golexanolone reversed changes in peripheral inflammation, microglia and astrocytes activation and restored motor coordination and spatial and short-term memory. This was associated with reversal of the hyperammonemia-enhanced activation in cerebellum of the TNFR1-glutaminase-GAT3 and TNFR1-CCL2-TrkB-KCC2 pathways.Conclusion: Reducing GABAA receptors activation with golexanolone reduces peripheral inflammation and neuroinflammation and improves cognitive and motor function in hyperammonemic rats. The effects identified would also occur in patients with hepatic encephalopathy and, likely, in other pathologies associated with neuroinflammation.
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- Moloney, Teresa C., et al.
(författare)
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Heat Shock Protein 70 Reduces alpha-Synuclein-Induced Predegenerative Neuronal Dystrophy in the alpha-Synuclein Viral Gene Transfer Rat Model of Parkinson's Disease
- 2014
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Ingår i: CNS Neuroscience & Therapeutics. - : Wiley. - 1755-5949 .- 1755-5930. ; 20:1, s. 50-58
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Tidskriftsartikel (refereegranskat)abstract
- AimsIt has become increasingly evident that the nigrostriatal degeneration associated with Parkinson's disease initiates at the level of the axonal terminals in the putamen, and this nigrostriatal terminal dystrophy is either caused or exacerbated by the presence of -synuclein immunopositive neuronal inclusions. Therefore, strategies aimed at reducing -synuclein-induced early neuronal dystrophy may slow or halt the progression to overt nigrostriatal neurodegeneration. Thus, this study sought to determine if adeno-associated virus (AAV) mediated overexpression of two molecular chaperone heat shock proteins, namely Hsp27 or Hsp70, in the AAV--synuclein viral gene transfer rat model of Parkinson's disease could prevent -synuclein-induced early neuronal pathology. MethodsMale Sprague-Dawley rats were intranigrally coinjected with pathogenic (AAV--synuclein) and putative therapeutic (AAV-Hsp27 or AAV-Hsp70) viral vectors and were sacrificed 18weeks postviral injection. ResultsIntranigral injection of AAV--synuclein resulted in significant -synuclein accumulation in the substantia nigra and striatal terminals which led to significant dystrophy of nigrostriatal dopaminergic neurons without overt nigrostriatal neurodegeneration. Coinjection of AAV-Hsp70, but not AAV-Hsp27, significantly reduced AAV--synuclein-induced neuronal dystrophy. ConclusionsThese data confirm that overexpression of Hsp70 holds significant potential as a disease-modulating therapeutic approach for Parkinson's disease, with protective effects against early-onset -synuclein-induced pathology demonstrated in the AAV--synuclein model.
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- Zhou, K., et al.
(författare)
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The therapeutic potential of bone marrow-derived macrophages in neurological diseases
- 2022
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Ingår i: CNS Neuroscience & Therapeutics. - : Wiley. - 1755-5930 .- 1755-5949. ; 28:12, s. 1942-1952
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Tidskriftsartikel (refereegranskat)abstract
- Circulating monocytes are precursors of both tissue macrophages and dendritic cells, and they can infiltrate the central nervous system (CNS) where they transform into bone marrow-derived macrophages (BMDMs). BMDMs play essential roles in various CNS diseases, thus modulating BMDMs might be a way to treat these disorders because there are currently no efficient therapeutic methods available for most of these neurological diseases. Moreover, BMDMs can serve as promising gene delivery vehicles following bone marrow transplantation for otherwise incurable genetic CNS diseases. Understanding the distinct roles that BMDMs play in CNS diseases and their potential as gene delivery vehicles may provide new insights and opportunities for using BMDMs as therapeutic targets or delivery vehicles. This review attempts to comprehensively summarize the neurological diseases that might be treated by modulating BMDMs or by delivering gene therapies via BMDMs after bone marrow transplantation. © 2022 The Authors. CNS Neuroscience & Therapeutics published by John Wiley & Sons Ltd.
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