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Neuroprotective effect

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https://www.readbyqxmd.com/read/28231543/date-seed-extract-ameliorates-%C3%AE-amyloid-induced-impairments-in-hippocampus-of-male-rats
#1
Farzaneh Dehghanian, Taj Pari Kalantaripour, Khadijeh Esmaeilpour, Leila Elyasi, Hakime Oloumi, Fatmeh Mehdi Pour, Majid Asadi-Shekaari
Alzheimer's disease (AD) is the most prevalent neurodegenerative disorder among the elderly. Because the existing treatments for Alzheimer's disease only offer limited symptomatic alleviation, more efficient therapeutic agents are urgently needed. Date seed is a hepatoprotective and neuroprotective agent. Date seed extract (DSE) has bioactive components like phenolics, flavonoids, and vitamins. In view of the ameliorative effects of DSE against an oxidative injury, the current study was designed to reveal whether DSE has a neuroprotective resource in the rat model of Alzheimer's disease...
February 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28230352/disease-modifying-effects-of-m1-muscarinic-acetylcholine-receptor-activation-in-an-alzheimer-s-disease-mouse-model
#2
Evan P Lebois, Jason P Schroeder, Thomas J Esparza, Thomas M Bridges, Craig W Lindsley, P Jeffrey Conn, David L Brody, John Scott Daniels, Allan I Levey
Alzheimer's Disease (AD) is the leading cause of dementia worldwide and currently no disease-modifying therapy is available to slow or prevent AD, underscoring the urgent need for neuroprotective therapies. Selective M1 muscarinic acetylcholine receptor (mAChR) activation is an attractive mechanism for AD therapy since M1 mediates key effects on memory, cognition, and behavior and has potential for disease-modifying effects on Aβ formation and tau phosphorylation. To validate M1 as a neuroprotective treatment target for AD, the M1-selective agonist, VU0364572, was chronically dosed to 5XFAD mice from a young age preceding Aβ pathology (2 months) to an age where these mice are known to display memory impairments (6 months)...
February 23, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28230232/carisbamate-blockade-of-t-type-voltage-gated-calcium-channels
#3
Do Young Kim, Fang-Xiong Zhang, Stan T Nakanishi, Timothy Mettler, Ik-Hyun Cho, Younghee Ahn, Florian Hiess, Lina Chen, Patrick G Sullivan, S R Wayne Chen, Gerald W Zamponi, Jong M Rho
OBJECTIVES: Carisbamate (CRS) is a novel monocarbamate compound that possesses antiseizure and neuroprotective properties. However, the mechanisms underlying these actions remain unclear. Here, we tested both direct and indirect effects of CRS on several cellular systems that regulate intracellular calcium concentration [Ca(2+) ]i . METHODS: We used a combination of cellular electrophysiologic techniques, as well as cell viability, Store Overload-Induced Calcium Release (SOICR), and mitochondrial functional assays to determine whether CRS might affect [Ca(2+) ]i levels through actions on the endoplasmic reticulum (ER), mitochondria, and/or T-type voltage-gated Ca(2+) channels...
February 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/28230072/improved-social-interaction-recognition-and-working-memory-with-cannabidiol-treatment-in-a-prenatal-infection-poly-i-c-rat-model
#4
Ashleigh L Osborne, Nadia Solowij, Ilijana Babic, Xu-Feng Huang, Katrina Weston-Green
Neuropsychiatric disorders such as schizophrenia are associated with cognitive impairment, including learning, memory and attention deficits. Antipsychotic drugs are limited in their efficacy to improve cognition; therefore, new therapeutic agents are required. Cannabidiol (CBD), the non-intoxicating component of cannabis, has anti-inflammatory, neuroprotective and antipsychotic-like properties, however, its ability to improve the cognitive deficits of schizophrenia remains unclear. Using a prenatal infection model, we examined the effect of chronic CBD treatment on cognition and social interaction...
February 23, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28229894/mobile-stroke-units-for-prehospital-thrombolysis-triage-and-beyond-benefits-and-challenges
#5
REVIEW
Klaus Fassbender, James C Grotta, Silke Walter, Iris Q Grunwald, Andreas Ragoschke-Schumm, Jeffrey L Saver
In acute stroke management, time is brain. Bringing swift treatment to the patient, instead of the conventional approach of awaiting the patient's arrival at the hospital for treatment, is a potential strategy to improve clinical outcomes after stroke. This strategy is based on the use of an ambulance (mobile stroke unit) equipped with an imaging system, a point-of-care laboratory, a telemedicine connection to the hospital, and appropriate medication. Studies of prehospital stroke treatment consistently report a reduction in delays before thrombolysis and cause-based triage in regard to the appropriate target hospital (eg, primary vs comprehensive stroke centre)...
March 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28229532/n-butylidenephthalide-treatment-prolongs-life-span-and-attenuates-motor-neuron-loss-in-sod1-g93a-mouse-model-of-amyotrophic-lateral-sclerosis
#6
Qin-Ming Zhou, Jing-Jing Zhang, Song Li, Sheng Chen, Wei-Dong Le
AIMS: To evaluate the therapeutic effects of n-butylidenephthalide (BP) in SOD1(G93A) mouse model of amyotrophic lateral sclerosis and explore the possible mechanisms. METHODS: The SOD1(G93A) mice were treated by oral administration of BP (q.d., 400 mg/kg d) starting from 60 days of age and continuing until death. The rotarod test was performed to assess the disease onset. The expression levels of apoptosis-related proteins, inflammatory molecules, and autophagy-associated proteins were determined...
February 22, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28229457/randomized-controlled-trial-of-local-progesterone-vs-corticosteroid-injection-for-carpal-tunnel-syndrome
#7
S A Raeissadat, S Shahraeeni, L Sedighipour, B Vahdatpour
OBJECTIVES: A number of studies have demonstrated the neuroprotective effects of progesterone and its influence on the recovery after neural injury. Few studies investigated the efficacy of local progesterone in carpal tunnel syndrome. The objective of this study was to compare the long-term effects of progesterone vs corticosteroid local injections in patients with mild and moderate carpal tunnel syndrome. METHODS: In this randomized clinical trial, 78 patients with carpal tunnel syndrome were assigned to two groups...
February 22, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28229156/protective-effect-of-isoliquiritin-against-corticosterone-induced-neurotoxicity-in-pc12-cells
#8
Yu-Zhi Zhou, Xiao Li, Wen-Xia Gong, Jun-Sheng Tian, Xiao-Xia Gao, Li Gao, Xiang Zhang, Guan-Hua Du, Xue-Mei Qin
Isoliquiritin, a flavonoid glycoside compound from licorice, possesses a broad spectrum of pharmacological activities including antioxidant, anti-inflammatory and anti-depression activities. However, the neuroprotective mechanisms of antidepressant effects remain unclear. In this study, the aim was to investigate the cytoprotective efficiency and potential mechanisms of isoliquiritin in corticosterone-damaged PC12 cells. The results of this study showed that pretreatment of PC12 cells with isoliquiritin significantly prevented corticosterone-induced cell apoptosis...
February 23, 2017: Food & Function
https://www.readbyqxmd.com/read/28228717/mild-hypothermia-attenuates-the-anesthetic-isoflurane-induced-cytotoxicity
#9
Cheng Li, Yuanlin Dong, Dan Chen, Zhongcong Xie, Yiying Zhang
The commonly used inhalation anesthetic isoflurane has been reported to induce DNA damage and cytotoxicity. However, the methods to attenuate these effects remain largely to be determined. Mild hypothermia has neuroprotective effects. We therefore set out to assess whether mild hypothermia could protect the isoflurane-induced DNA damage and cytotoxicity. Moreover, we investigated the underlying mechanisms by assessing the effects of mild hypothermia on the isoflurane-induced changes in ATP levels. H4 human neuroglioma cells were treated with 2% isoflurane for 3 or 6 h with and without mild hypothermia (35°C)...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28228417/oxygen-sensitive-regulation-and-neuroprotective-effects-of-growth-hormone-dependent-growth-factors-during-early-postnatal-development
#10
Susan Jung, Gudrun Boie, Helmuth-Guenther Doerr, Regina Trollmann
Perinatal hypoxia severely disrupts metabolic and somatotrophic development, as well as cerebral maturational programs. Hypoxia-inducible transcription factors (HIF) represent the most important endogenous adaptive mechanisms to hypoxia, activating a broad spectrum of growth factors that contribute to cell survival and energy homeostasis. To analyse effects of systemic hypoxia and growth hormone (GH) therapy (rhGH) on HIF-dependent growth factors during early postnatal development, we compared protein (ELISA) and mRNA levels (quantitative RT PCR) of growth factors in plasma and brain between normoxic and hypoxic mice (8% O2, 6 h; postnatal day 7, P7) at P14...
February 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28227899/peripheral-sensory-stimulation-is-neuroprotective-in-a-rat-photothrombotic-ischemic-stroke-model
#11
Aishwarya Bandla, Chua Le Teng Sherry, Frances Lim, Chan Kim Chuan, Lun-De Liao, Nitish V Thakor, Aishwarya Bandla, Chua Le Teng Sherry, Frances Lim, Chan Kim Chuan, Lun-De Liao, Nitish V Thakor, Lun-De Liao, Nitish V Thakor, Frances Lim, Chua Le Teng Sherry, Aishwarya Bandla, Chan Kim Chuan
Ischemic stroke is one of the leading causes of death and disability in the world. Thrombolytic therapy using recombinant tissue plasminogen activator (rtPA), the only FDA-approved drug for acute ischemia, is limited by a narrow therapeutic time window and risk of hemorrhage. There is a serious need for a neuroprotective therapy which is clinically viable. We earlier demonstrated that peripheral sensory stimulation (PSS) is a potential therapeutic intervention for hyperacute ischemia resulting in recovery of neurovascular functions when administered immediately following ischemia onset in a rat model...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227393/an-integrated-neuroprotective-intervention-for-brain-ischemia-validated-by-ecog-fpam
#12
Yu-Hang Liu, Lun-De Liao, Su Jing Chan, Aishwarya Bandla, Nitish V Thakor, Yu-Hang Liu, Lun-De Liao, Su Jing Chan, Aishwarya Bandla, Nitish V Thakor, Yu-Hang Liu, Aishwarya Bandla, Nitish V Thakor, Su Jing Chan, Lun De Liao
Brain ischemia is a neurological deficit caused by a reduction in the blood supply to tissue, and one of the leading causes of disability in the world. Currently, the most well-known therapeutic agent for ischemia recovery is recombinant tissue plasminogen activator (rtPA), but it is viable for only a small portion (approximately 3.6%) of ischemic patients and may cause side effects such as tissue damage. Thus, introducing a new therapeutic concept for ischemia, we proposed an integrated intervention combining global and focal stimulations in this article...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227077/optimal-control-of-inspired-perfluorocarbon-temperature-for-induction-of-hypothermia-by-total-liquid-ventilation-in-juvenile-lamb-model
#13
Mathieu Nadeau, Michael Sage, Jean-Paul Praud, Renaud Tissier, Herve Walti, Philippe Micheau, Mathieu Nadeau, Michael Sage, Jean-Paul Praud, Renaud Tissier, Herve Walti, Philippe Micheau, Michael Sage, Philippe Micheau, Jean-Paul Praud, Mathieu Nadeau, Herve Walti, Renaud Tissier
Mild hypothermia is well known for its therapeutic value in cardio- and neuroprotection. Many recent experimental studies have shown that the swiftness of the cooling offered by total liquid ventilation (TLV) holds great promise in achieving maximal therapeutic effect. TLV is an emerging ventilation technique in which the lungs are filled with breathable liquids, namely perfluorocarbons (PFCs). A liquid ventilator ensures subject ventilation by periodically renewing a volume of oxygenated, CO2-free and temperature-controlled breathable PFC...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226644/examining-the-effect-of-mgso4-on-sharp-wave-transient-activity-in-the-hypoxic-ischemic-fetal-sheep-model
#14
Meherzad J Lakadia, Hamid Abbasi, Alistair J Gunn, Charles P Unsworth, Laura Bennet, Meherzad J Lakadia, Hamid Abbasi, Alistair J Gunn, Charles P Unsworth, Laura Bennet, Laura Bennet, Hamid Abbasi, Alistair J Gunn, Meherzad J Lakadia, Charles P Unsworth
Hypoxic-ischemic encephalopathy (HIE) due to lack of oxygen is a debilitating disorder experienced by a significant number of preterm infants during birth. Studies show that the brain undergoes different phases of injury following hypoxic insult, but the first 6-8 hours (known as a latent phase) are the key to treatment efficacy. Cerebral hypothermia is one known treatment, and for it to be effective it must be started during the latent phase and continued for several days. In order to determine the effectiveness of treatment it is important to pinpoint the time of insult...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226317/neuroprotective-effects-of-acetyl-l-carnitine-on-neonatal-hypoxia-ischemia-induced-brain-injury-in-rats
#15
Shiyu Tang, Su Xu, Xin Lu, Rao P Gullapalli, Mary C McKenna, Jaylyn Waddell
Perinatal hypoxia ischemia (HI) is a significant cause of brain injury in surviving infants. Although hypothermia improves outcomes in some infants, additional therapies are needed since about 40% of infants still have a poor outcome. Acetyl-L-carnitine (ALCAR), an acetylated derivative of L-carnitine, protected against early changes in brain metabolites and mitochondrial function after HI on postnatal day (PND) 7 in a rat pup model of near-term HI injury. However, its efficacy in long-term structural and functional outcomes remains unexplored...
February 23, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28224477/genistein-alleviates-neuroinflammation-and-restores-cognitive-function-in-rat-model-of-hepatic-encephalopathy-underlying-mechanisms
#16
Ajaz Ahmad Ganai, Mohammad Husain
Hepatic encephalopathy (HE) is a neuropsychiatric syndrome resulting from acute liver failure. Previously, we demonstrated hepatoprotective effects of genistein in D-galactosamine (D-GalN)-induced fulminant hepatic failure (FHF). In this study, we evaluated behavioural and neuroprotective effects of genistein in rat model of HE. HE was induced by intraperitonial administration of D-GalN (250 mg/kg BW) twice a week for 30 days Genistein was given as co-treatment through oral gavage daily at dose of 5 mg/kg BW...
February 21, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28224126/antioxidant-effects-of-the-quercetin-in-the-jejunal-myenteric-innervation-of-diabetic-rats
#17
Sara R Garcia de Souza, Marcílio Hubner de Miranda Neto, Juliana Vanessa Colombo Martins Perles, Flávia Cristina Vieira Frez, Isabela Zignani, Francielle Veiga Ramalho, Catchia Hermes-Uliana, Gleison Daion Piovezana Bossolani, Jacqueline Nelisis Zanoni
PURPOSE: Enteric glial cells (EGCs) exert a critical role in the structural integrity, defense, and metabolic function of enteric neurons. Diabetes mellitus is a chronic disease characterized by metabolic disorders and chronic autonomic neuropathy. Quercetin supplementation, which is a potent antioxidant, has been used in order to reduce the effects of diabetes-induced oxidative stress. The purpose of this research was to investigate the effects of quercetin supplementation in the drinking water at a daily dose of 40 mg on the glial cells and neurons in the jejunum of diabetic rats...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28223920/therapeutic-potential-of-secreted-amyloid-precursor-protein-apps%C3%AE
#18
REVIEW
Bruce G Mockett, Max Richter, Wickliffe C Abraham, Ulrike C Müller
Cleavage of the amyloid precursor protein (APP) by α-secretase generates an extracellularly released fragment termed secreted APP-alpha (APPsα). Not only is this process of interest due to the cleavage of APP within the amyloid-beta sequence, but APPsα itself has many physiological properties that suggest its great potential as a therapeutic target. For example, APPsα is neurotrophic, neuroprotective, neurogenic, a stimulator of protein synthesis and gene expression, and enhances long-term potentiation (LTP) and memory...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28223911/fetpps-reduces-secondary-damage-and-improves-neurobehavioral-functions-after-traumatic-brain-injury
#19
Giuseppe Bruschetta, Daniela Impellizzeri, Michela Campolo, Giovanna Casili, Rosanna Di Paola, Irene Paterniti, Emanuela Esposito, Salvatore Cuzzocrea
Traumatic brain injury (TBI) determinate a cascade of events that rapidly lead to neuron's damage and death. We already reported that administration of FeTPPS, a 5,10,15,20-tetrakis (4-sulfonatophenyl) porphyrin iron III chloride peroxynitrite decomposition catalyst, possessed evident neuroprotective effects in a experimental model of spinal cord damage. The present study evaluated the neuroprotective property of FeTPPS in TBI, using a clinically validated model of TBI, the controlled cortical impact injury (CCI)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28223223/berberine-improves-cognitive-impairment-by-promoting-autophagic-clearance-and-inhibiting-production-of-%C3%AE-amyloid-in-app-tau-ps1-mouse-model-of-alzheimer-s-disease
#20
Min Huang, Xin Jiang, Yubin Liang, Qiong Liu, Siyan Chen, Yi Guo
This study investigates the neuroprotective properties of berberine (a natural isoquinoline alkaloid isolated from the Rhizoma coptidis) and finds that berberine could promote β-amyloid (Aβ) clearance and inhibit Aβ production in the triple-transgenic mouse model of Alzheimer's disease (3×Tg-AD). During the study, berberine was first administrated to treat 3×Tg-AD mice and primary neurons. Morris water maze assay, western blotting, enzyme-linked immunosorbent assay (ELISA), immunofluorescence staining and histological analysis, transmission electron microscopic analysis were then used to evaluate the effects of the berberine administration...
February 20, 2017: Experimental Gerontology
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