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Lithium neuroprotective

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https://www.readbyqxmd.com/read/28403623/lithium-a-classic-drug-frequently-discussed-but-sadly-seldom-prescribed
#1
Olga Zivanovic
OBJECTIVE: Distinguished authors in the field have repeatedly alerted psychiatrists of the alarming trends in the treatment of bipolar disorders: decline of lithium use, paralleled by the increase of prescribing anticonvulsants and second-generation antipsychotic drugs. Research has been conducted in order to explore the factors that led to this development and to provide arguments for the need to reverse this trend. METHOD: This paper represents a narrative review of the literature containing retrieved research articles focusing on the efficacy of lithium...
April 1, 2017: Australian and New Zealand Journal of Psychiatry
https://www.readbyqxmd.com/read/28386329/inhibiting-endoplasmic-reticulum-stress-by-lithium-chloride-contributes-to-the-integrity-of-blood-spinal-cord-barrier-and-functional-recovery-after-spinal-cord-injury
#2
Zili He, Yulong Zhou, Qingqing Wang, Jiawei Li, Zengming Zheng, Jian Chen, Hongyu Zhang, Zhouguang Wang, Huazi Xu, Jian Xiao
Endoplasmic reticulum (ER) stress play important roles in the spinal cord injury (SCI), which including blood-spinal cord barrier (BSCB) disruption. Lithium chloride (LiCl) is a clinical drug for bipolar mood disorders and contributes to neuroprotection. This study aims to investigate the effects of LiCl on BSCB disruption and the ER stress pathway induced by spinal cord injury. We examined the integrity of the BSCB with Evans Blue dye and macrophages extravasation, measured the microvessels loss, the junction proteins degeneration, the activation ER stress, and the locomotor function recovery...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28366776/involvement-of-akt-gsk3%C3%AE-creb-signaling-pathway-on-chronic-omethoate-induced-depressive-like-behavior-and-improvement-effects-of-combined-lithium-chloride-and-astaxanthin-treatment
#3
Jingwen Qiao, Lixia Rong, Zhaoyue Wang, Meizeng Zhang
Chronic organophosphorus pesticides (OP) exposure is associated with an increased risk of depression, and there is an urgent need to find an effective treatment for the depressive-like symptoms caused by OP. The main purpose of this study was to investigate whether combined lithium chloride (LiCl) and astaxanthin (AST) treatment would manifest synergetic antidepressant effects on mice with chronic OP exposure, and to determine the role of the Akt/GSK3β/CREB signaling pathway. Our results showed that chronic omethoate exposure significantly increased immobility time in behavioral tests and induced neuron damage in HE staining...
March 30, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28221364/neuroprotection-after-a-first-episode-of-mania-a-randomized-controlled-maintenance-trial-comparing-the-effects-of-lithium-and-quetiapine-on-grey-and-white-matter-volume
#4
M Berk, O Dandash, R Daglas, S M Cotton, K Allott, A Fornito, C Suo, P Klauser, B Liberg, L Henry, C Macneil, M Hasty, P McGorry, Cs Pantelis, M Yücel
No abstract text is available yet for this article.
February 21, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28214985/melatonin-alleviates-the-epilepsy-associated-impairments-in-hippocampal-ltp-and-spatial-learning-through-rescue-of-surface-glur2-expression-at-hippocampal-ca1-synapses
#5
Yue Ma, Xiaolong Sun, Juan Li, Ruihua Jia, Fang Yuan, Dong Wei, Wen Jiang
Epilepsy-associated cognitive impairment is common, and negatively impacts patients' quality of life. However, most antiepileptic drugs focus on the suppression of seizures, and fewer emphasize treatment of cognitive dysfunction. Melatonin, an indolamine synthesized primarily in the pineal grand, is reported to be neuroprotective against several central nervous system disorders. In this study, we investigated whether melatonin could reverse cognitive dysfunction in lithium-pilocarpine treated rats. Chronic treatment with melatonin (8 mg/kg daily for 15 days) after induction of status epilepticus significantly alleviated seizure severity, reduced neuronal death in the CA1 region of the hippocampus, improved spatial learning (as measured by the Morris water maze test), and reversed LTP impairments, compared to vehicle treatment...
February 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28123400/six-psychotropics-for-pre-symptomatic-early-alzheimer-s-mci-parkinson-s-and-huntington-s-disease-modification
#6
REVIEW
Edward C Lauterbach
The quest for neuroprotective drugs to slow the progression of neurodegenerative diseases (NDDs), including Alzheimer's disease (AD), Parkinson's disease (PD), and Huntington's disease (HD), has been largely unrewarding. Preclinical evidence suggests that repurposing quetiapine, lithium, valproate, fluoxetine, donepezil, and memantine for early and pre-symptomatic disease-modification in NDDs may be promising and can spare regulatory barriers. The literature of these psychotropics in early stage and pre-symptomatic AD, PD, and HD is reviewed and propitious findings follow...
November 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/28117843/neuroprotection-after-a-first-episode-of-mania-a-randomized-controlled-maintenance-trial-comparing-the-effects-of-lithium-and-quetiapine-on-grey-and-white-matter-volume
#7
M Berk, O Dandash, R Daglas, S M Cotton, K Allott, A Fornito, C Suo, P Klauser, B Liberg, L Henry, C Macneil, M Hasty, P McGorry, Cs Pantelis, M Yücel
Lithium and quetiapine are effective treatments for bipolar disorder, but their potential neuroprotective effects in humans remain unclear. A single blinded equivalence randomized controlled maintenance trial was conducted in a prospective cohort of first-episode mania (FEM) patients (n=26) to longitudinally compare the putative protective effects of lithium and quetapine on grey and white matter volume. A healthy control sample was also collected (n=20). Using structural MRI scans, voxel-wise grey and white matter volumes at baseline and changes over time in response to treatment were investigated...
January 24, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28098178/lithium-accumulates-in-neurogenic-brain-regions-as-revealed-by-high-resolution-ion-imaging
#8
Giulia Zanni, Wojciech Michno, Elena Di Martino, Anna Tjärnlund-Wolf, Jean Pettersson, Charlotte Elizabeth Mason, Gustaf Hellspong, Klas Blomgren, Jörg Hanrieder
Lithium (Li) is a potent mood stabilizer and displays neuroprotective and neurogenic properties. Despite extensive investigations, the mechanisms of action have not been fully elucidated, especially in the juvenile, developing brain. Here we characterized lithium distribution in the juvenile mouse brain during 28 days of continuous treatment that result in clinically relevant serum concentrations. By using Time-of-Flight Secondary Ion Mass Spectrometry- (ToF-SIMS) based imaging we were able to delineate temporospatial lithium profile throughout the brain and concurrent distribution of endogenous lipids with high chemical specificity and spatial resolution...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28088683/effects-of-protease-activated-receptor-1-inhibition-on-anxiety-and-fear-following-status-epilepticus
#9
Ruslan Bogovyk, Oleksii Lunko, Mihail Fedoriuk, Dmytro Isaev, Oleg Krishtal, Gregory L Holmes, Elena Isaeva
Protease-activated receptor 1 (PAR1) is an important contributor to the pathogenesis of a variety of brain disorders associated with a risk of epilepsy development. Using the lithium-pilocarpine model of temporal lobe epilepsy (TLE), we recently showed that inhibition of this receptor during the first ten days after pilocarpine-induced status epilepticus (SE) results in substantial anti-epileptogenic and neuroprotective effects. As PAR1 is expressed in the central nervous system regions of importance for processing emotional reactions, including amygdala and hippocampus, and TLE is frequently associated with a chronic alteration of the functions of these regions, we tested the hypothesis that PAR1 inhibition could modulate emotionally driven behavioral responses of rats experiencing SE...
February 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28088383/evaluating-the-role-of-astrocytes-on-%C3%AE-estradiol-effect-on-seizures-of-pilocarpine-epileptic-model
#10
Masoumeh Sarfi, Mahmoud Elahdadi Salmani, Iran Goudarzi, Taghi Lashkar Boluki, Kataneh Abrari
Epilepsy with periodic and unpredictable seizures is associated with hippocampal glutamate toxicity and tissue reorganization. Astrocytes play an important role in mediating the neuroprotective effects of estradiol and reducing seizure severity. Accordingly, the protective effects of low and high doses of estradiol on behavioral, astrocytic involvement and neuronal survival aspects of Pilocarpine-induced epilepsy were investigated. Lithium- Pilocarpine (30mg/kg) model was used to provoke epilepsy. Βeta-estradiol (2,40μg/µl) was injected subcutaneously from 48 before to 48h after seizure induction...
February 15, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28066149/neuroprotective-effect-of-lithium-after-pilocarpine-induced-status-epilepticus-in-mice
#11
Namgue Hong, Yun-Sik Choi, Seong Yun Kim, Hee Jung Kim
Status epilepticus is the most common serious neurological condition triggered by abnormal electrical activity, leading to severe and widespread cell loss in the brain. Lithium has been one of the main drugs used for the treatment of bipolar disorder for decades, and its anticonvulsant and neuroprotective properties have been described in several neurological disease models. However, the therapeutic mechanisms underlying lithium's actions remain poorly understood. The muscarinic receptor agonist pilocarpine is used to induce status epilepticus, which is followed by hippocampal damage...
January 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/27999308/downregulation-of-homer1b-c-in-sod1-g93a-models-of-als-a-novel-mechanism-of-neuroprotective-effect-of-lithium-and-valproic-acid
#12
Hai-Zhi Jiang, Shu-Yu Wang, Xiang Yin, Hong-Quan Jiang, Xu-Dong Wang, Jing Wang, Tian-Hang Wang, Yan Qi, Yue-Qing Yang, Ying Wang, Chun-Ting Zhang, Hong-Lin Feng
BACKGROUND: Mutations in the Cu/Zn superoxide dismutase (SOD1) gene have been linked to amyotrophic lateral sclerosis (ALS). However, the molecular mechanisms have not been elucidated yet. Homer family protein Homer1b/c is expressed widely in the central nervous system and plays important roles in neurological diseases. In this study, we explored whether Homer1b/c was involved in SOD1 mutation-linked ALS. RESULTS: In vitro studies showed that the SOD1 G93A mutation induced an increase of Homer1b/c expression at both the mRNA and protein levels in NSC34 cells...
December 17, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27882645/long-term-lithium-treatment-increases-intracellular-and-extracellular-brain-derived-neurotrophic-factor-bdnf-in-cortical-and-hippocampal-neurons-at-subtherapeutic-concentrations
#13
Vanessa J De-Paula, Wagner F Gattaz, Orestes V Forlenza
OBJECTIVES: The putative neuroprotective effects of lithium treatment rely on the fact that it modulates several homeostatic mechanisms involved in the neurotrophic response, autophagy, oxidative stress, inflammation, and mitochondrial function. Lithium is a well-established therapeutic option for the acute and long-term management of bipolar disorder and major depression. The aim of this study was to evaluate the effects of subtherapeutic and therapeutic concentrations of chronic lithium treatment on brain-derived neurotrophic factor (BDNF) synthesis and secretion...
December 2016: Bipolar Disorders
https://www.readbyqxmd.com/read/27853172/lithium-promotes-dna-stability-and-survival-of-ischemic-retinal-neurocytes-by-upregulating-dna-ligase-iv
#14
Ying Yang, Nandan Wu, Sijia Tian, Fan Li, Huan Hu, Pei Chen, Xiaoxiao Cai, Lijun Xu, Jing Zhang, Zhao Chen, Jian Ge, Keming Yu, Jing Zhuang
Neurons display genomic fragility and show fragmented DNA in pathological degeneration. A failure to repair DNA breaks may result in cell death or apoptosis. Lithium protects retinal neurocytes following nutrient deprivation or partial nerve crush, but the underlying mechanisms are not well defined. Here we demonstrate that pretreatment with lithium protects retinal neurocytes from ischemia-induced damage and enhances light response in rat retina following ischemia-reperfusion injury. Moreover, we found that DNA nonhomologous end-joining (NHEJ) repair is implicated in this process because in ischemic retinal neurocytes, lithium significantly reduces the number of γ-H2AX foci (well-characterized markers of DNA double-strand breaks in situ) and increases the DNA ligase IV expression level...
November 17, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27777112/stereological-investigation-of-the-ca1-pyramidal-cell-layer-in-untreated-and-lithium-treated-3xtg-ad-and-wild-type-mice
#15
Evelin L Schaeffer, Sergio Catanozi, Mark J West, Wagner F Gattaz
Pyramidal neuron loss in the hippocampal CA1 region is a very early hallmark of Alzheimer disease (AD). Lithium might be a therapeutic strategy for AD due to its neuroprotective and neurotrophic properties. This study used modern stereological techniques to investigate possible CA1 pyramidal neuron loss in 11-month-old triple transgenic AD (3xTg-AD) mice, and also the effects of therapeutic and subtherapeutic lithium doses on the number and density of CA1 pyramidal neurons and volume of CA1 pyramidal layer in 3xTg-AD and wild-type mice treated from 3 to 11 months of age...
January 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/27769874/preventive-effects-of-blueberry-extract-on-behavioral-and-biochemical-dysfunctions-in-rats-submitted-to-a-model-of-manic-behavior-induced-by-ketamine
#16
Gabriela Debom, Marta Gazal, Mayara Sandrielly Pereira Soares, Carlus Augustu Tavares do Couto, Bruna Mattos, Claiton Lencina, Manuella Pinto Kaster, Gabriele Codenonzi Ghisleni, Rejane Tavares, Elizandra Braganhol, Vitor Clasen Chaves, Flávio Henrique Reginatto, Francieli Stefanello, Roselia Maria Spanevello
The aim of the present study was to evaluate the protective effects of blueberry extract on oxidative stress and inflammatory parameters in a model of mania induced by ketamine administration in rats. Male rats were pretreated with blueberry extract (200mg/kg, once a day for 14days), lithium chloride (45mg/kg, mood stabilizer used as a positive control, twice a day for 14days), or vehicle. Between the 8th and 14th days, rats also received an injection of ketamine (25mg/kg) or vehicle. In the 15th day, thirty minutes after ketamine administration the hyperlocomotion of the animals was assessed in the open - field apparatus...
October 18, 2016: Brain Research Bulletin
https://www.readbyqxmd.com/read/27739937/lithium-posttreatment-confers-neuroprotection-through-glycogen-synthase-kinase-3%C3%AE-inhibition-in-intracerebral-hemorrhage-rats
#17
Jian Zheng, Zhen Liu, Weishan Li, Jiaxin Tang, Dongwei Zhang, Xiaobo Tang
OBJECTIVE Inflammation and apoptosis are two key factors contributing to secondary brain injury after intracerebral hemorrhage (ICH). The objective of this study was to evaluate the effects of lithium posttreatment on behavior, brain atrophy, inflammation, and perihematomal cell death. Furthermore, the authors aimed to determine the role of the pro-apoptotic glycogen synthase kinase-3β (GSK-3β) after experimental ICH. METHODS Male Sprague-Dawley rats (n = 108) were subjected to intracerebral infusion of semicoagulated autologous blood...
October 14, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27638546/therapeutic-mechanisms-of-lithium-in-bipolar-disorder-recent-advances-and-current-understanding
#18
REVIEW
Gin S Malhi, Tim Outhred
Lithium is the most effective and well established treatment for bipolar disorder, and it has a broad array of effects within cellular pathways. However, the specific processes through which therapeutic effects occur and are maintained in bipolar disorder remain unclear. This paper provides a timely update to an authoritative review of pertinent findings that was published in CNS Drugs in 2013. A literature search was conducted using the Scopus database, and was limited by year (from 2012). There has been a resurgence of interest in lithium therapy mechanisms, perhaps driven by technical advancements in recent years that permit the examination of cellular mechanisms underpinning the effects of lithium-along with the reuptake of lithium in clinical practice...
October 2016: CNS Drugs
https://www.readbyqxmd.com/read/27579184/microrna-132-interact-with-p250gap-cdc42-pathway-in-the-hippocampal-neuronal-culture-model-of-acquired-epilepsy-and-associated-with-epileptogenesis-process
#19
Jinxian Yuan, Hao Huang, Xin Zhou, Xi Liu, Shu Ou, Tao Xu, Ruohan Li, Limin Ma, Yangmei Chen
Increasing evidence suggests that epilepsy is the result of synaptic reorganization and pathological excitatory loop formation in the central nervous system; however, the mechanisms that regulate this process are not well understood. We proposed that microRNA-132 (miR-132) and p250GAP might play important roles in this process by activating the downstream Rho GTPase family. We tested this hypothesis using a magnesium-free medium-induced epileptic model of cultured hippocampal neurons. We investigated whether miR-132 regulates GTPase activity through p250GAP and found that Cdc42 was significantly activated in our experimental model...
2016: Neural Plasticity
https://www.readbyqxmd.com/read/27490898/glycyrrhizin-ameliorates-oxidative-stress-and-inflammation-in-hippocampus-and-olfactory-bulb-in-lithium-pilocarpine-induced-status-epilepticus-in-rats
#20
Susana González-Reyes, Juan Jair Santillán-Cigales, Angélica Saraí Jiménez-Osorio, José Pedraza-Chaverri, Rosalinda Guevara-Guzmán
Glycyrrhizin (GL) is a triterpene present in the roots and rhizomes of Glycyrrhiza glabra that has anti-inflammatory, hepatoprotective and neuroprotective effects. Recently, it was demonstrated that GL produced neuroprotective effects on the postischemic brain as well as on the kainic acid injury model in rats. In addition to this, GL also prevented excitotoxic effects on primary cultures. The aims of the present study were to evaluate GL scavenging properties and to investigate GL's effect on oxidative stress and inflammation in the lithium/pilocarpine-induced seizure model in two cerebral regions, hippocampus and olfactory bulb, at acute time intervals (3 or 24h) after status epilepticus (SE)...
October 2016: Epilepsy Research
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