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Current Neuropharmacology

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https://www.readbyqxmd.com/read/28820054/qsar-modeling-of-histamine-h3r-antagonists-inverse-agonists-as-future-drugs-for-neurodegenerative-diseases
#1
Michelle Fidelis Corrêa, João Paulo Dos Santos Fernandes
Histamine H3 receptor (H3R) is associated with several neuropsychological diseases. It is predominantly expressed in the central nervous system as presynaptic receptor, especially in regions associated with cognition and behavior, and is responsible for modulate the synthesis and release of histamine and other neurotransmitters such as acetylcholine, dopamine and serotonin. Therefore, H3R is an important target involved in several CNS disorders, such as narcolepsy, attention deficit hyperactivity disorder and schizophrenia...
August 17, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28820053/neurobiological-mechanisms-of-stress-resilience-and-implications-for-the-aged-population
#2
Charlène Faye, Josephine C Mcgowan, Christine A Denny, Denis J David
Stress is a common reaction to an environmental adversity, but a dysregulation of the stress response can lead to psychiatric illnesses such as major depressive disorder (MDD), post-traumatic stress disorder (PTSD), and anxiety disorders. Yet, not all individuals exposed to stress will develop psychiatric disorders; those with enhanced stress resilience mechanisms have the ability to adapt successfully to stress without developing persistent psychopathology. Notably, the potential to enhance stress resilience in at-risk populations may prevent the onset of stress-induced psychiatric disorders...
August 17, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28820052/new-insights-on-neuronal-nicotinic-acetylcholine-receptors-as-targets-for-pain-and-inflammation-a-focus-on-%C3%AE-7-nachrs
#3
Deniz Bagdas, Mine S Gurun, Pamela Flood, Roger L Papke, M Imad Damaj
Nicotine and nicotinic receptors have been explored for the past three decades as targets for pain control. Accumulating evidences suggest that selective ligands for α7 nicotinic acetylcholine receptors (nAChRs) hold promise in the treatment of chronic pain conditions as they lack many of side effects associated with other nicotinic receptor types. This review provides the reader recent insights on α7 nAChRs from structure and function to the latest findings on the pharmacology and therapeutic targeting of these receptors for the treatment of pain and inflammation...
August 17, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28786347/kca3-1-channels-and-glioblastoma-in-vitro-studies
#4
Lukas Klumpp, Efe C Sezgin, Marco Skardelly, Franziska Eckert, Stephan M Huber
Several tumor entities including brain tumors aberrantly overexpress intermediate conductance Ca2+ activated KCa3.1 K+ channels. These channels contribute significantly to the transformed phenotype of the tumor cells. By modulating membrane potential, cell volume, Ca2+ signals and the respiration chain, KCa3.1 channels in both, plasma and inner mitochondrial membrane, have been demonstrated to regulate many cellular processes such as migration and tissue invasion, metastasis, cell cycle progression, oxygen consumption and metabolism, DNA damage response and cell death of cancer cells...
August 8, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28786346/neuroprotective-role-of-agmatine-in-neurological-diseases
#5
Weilin Xu, Liansheng Gao, Tao Li, Anwen Shao, Jianmin Zhang
Neurological diseases have always been one of the leading cause of mobility and mortality world-widely. However, it is still lack of efficient agents. Agmatine, an endogenous polyamine, exerts its diverse biological characteristics and therapeutic potential in varied aspects. Moreover, there has been numerous studies demonstrated the neuroprotective effect of agmatine in varied types of neurological diseases, including acute attack (stroke and trauma brain injury) and chronic neurodegenerative diseases (Parkinson's disease, Alzheimer's disease)...
August 8, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28762314/insights-into-nicotinic-receptor-signaling-in-nicotine-addiction-implications-for-prevention-and-treatment
#6
Wuyi Liu, Ming D Li
Nicotinic acetylcholine receptors (nAChRs) belong to the Cys-loop ligand-gated ion-channel (LGIC) superfamily, which also includes the GABA, glycine, and serotonin receptors. Many nAChR subunits have been identified and shown to be involved in signal transduction on binding to them of either the neurotransmitter acetylcholine or exogenous ligands such as nicotine. The nAChRs are pentameric assemblies of homologous subunits surrounding a central pore that gates cation flux, and they are expressed at neuromuscular junctions throughout the nervous system...
August 1, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28745219/the-influence-of-vaccine-on-febrile-seizure
#7
Xin Li, Yicun Wang
The protective value of vaccines to the public has made vaccines among the major public health prophylactic measures through the entire history. However, there has been some controversy about their safety; particularly concerns have been rising about febrile seizures (FS). Until now, other studies could not prove a causal relationship between FS and vaccination. This relationship is complex by other factors, such as age, genetic inheritance, type of vaccine, combination of different types of vaccines and the timing of vaccination...
July 26, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28738764/neuroprotection-by-endo-cannabinoids-in-glaucoma-and-retinal-neurodegenerative-diseases
#8
Cinzia Rapino, Daniel Tortolani, Lucia Scipioni, Mauro Maccarrone
Emerging neuroprotective strategies are being explored to preserve the retina from degeneration, that occurs in eye pathologies like glaucoma, diabetic retinopathy, age-related macular degeneration, and retinitis pigmentosa. Incidentally, neuroprotection of retina is a defending mechanism designed to prevent or delay neuronal cell death, and to maintain neural function following an initial insult, thus avoiding loss of vision. Numerous studies have investigated potential neuroprotective properties of plant-derived phytocannabinoids, as well as of their endogenous counterparts collectively termed endocannabinoids (eCBs), in several degenerative diseases of the retina...
July 24, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28730968/modulation-of-the-immune-system-for-the-treatment-of-glaucoma
#9
Katharina Bell, Nadine von Thun Und Hohenstein-Blaul, Julia Teister, Franz H Grus
At present intraocular pressure (IOP) lowering therapies are the only approach to treat glaucoma. Neuroprotective strategies to protect the retinal ganglion cells (RGC) from apoptosis are lacking to date. Results from clinical studies revealed altered immunoreactivities against retinal and optic nerve antigens in sera and aqueous humor of glaucoma patients and point toward an autoimmune involvement in glaucomatous neurodegeneration and RGC death. IgG accumulations along with plasma cells were found localised in human glaucomatous retinae in a pro-inflammatory environment possibly maintained by microglia...
July 19, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28730967/microglia-and-astrocytes-in-alzheimer-s-disease-implications-for-therapy
#10
Marc Fakhoury
Alzheimer's disease (AD) is a complex neurodegenerative disorder characterized by the progressive loss of neurons, which typically leads to severe impairments in cognitive functions including memory and learning. Key pathological features of this disease include the deposition of highly insoluble amyloid β peptide and the formation of neurofibrillary tangles (NFTs) in the brain. Over the past few years, mounting evidence has implicated sustained glial-mediated inflammation as a major contributor of the neurodegenerative processes and cognitive deficits observed in AD...
July 19, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28730966/nicotinic-cholinergic-system-in-the-hypothalamus-modulates-the-activity-of-the-hypothalamic-neuropeptides-during-the-stress-resp
#11
Burcu Balkan, Sakire Pogun
The hypothalamus harbors high levels of cholinergic neurons and axon terminals. Nicotinic acetylcholine receptors, which play an important role in cholinergic neurotransmission, are expressed abundantly in the hypothalamus. Accumulating evidence reveals a regulatory role for nicotine in diverse functions mediated by the hypothalamus, including the regulation of the stress responses. The nicotinic cholinergic system lies at the intersection of homeostatic and reward pathways and shows sex differences in some of its effects...
July 19, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28721821/current-perspectives-for-the-use-of-gonane-progesteronergic-drugs-in-the-treatment-of-central-hypoventilation-syndromes
#12
Camille Loiseau, Florence Cayetanot, Fanny Joubert, Anne-Sophie Perrin-Terrin, Philippe Cardot, Marie-Noëlle Fiamma, Alain Frugiere, Christian Straus, Laurence Bodineau
BACKGROUND: Central alveolar hypoventilation syndromes (CHS) encompass neurorespiratory diseases resulting from congenital or acquired neurological disorders. Hypercapnia, acidosis, and hypoxemia resulting from CHS negatively affect physiological functions and can be life-threatening. To date, the absence of pharmacological treatment implies that the patients must receive assisted ventilation throughout their lives. OBJECTIVE: To highlight the relevance of determining conditions in which using gonane synthetic progestins could be of potential clinical interest for the treatment of CHS...
July 19, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28721823/genetic-risk-factors-for-glaucoma-and-exfoliation-syndrome-identified-by-genome-wide-association-studies
#13
Yoichi Sakurada, Fumihiko Mabuchi
Glaucoma is a neurodegenerative disease characterized by the progressive loss of retinal ganglion cells and optic nerve axons. According to its anatomical features, glaucoma is mainly subdivided into primary open-angle glaucoma (POAG) and primary angle-closure glaucoma (PACG). Exfoliation syndrome (XFS) and glaucoma (XFG) are characterized by the accumulation of extracellular materials in ocular tissues, particularly the lens surface and pupillary border. In addition to the two major forms of glaucoma, XFG is the most common cause of secondary open-angle glaucoma...
July 18, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28721822/opioid-antagonists-for-pharmacological-treatment-of-gambling-disorder-are-they-relevant
#14
Caroline Victorri-Vigneau, Andrew Spiers, Pascal Caillet, Mélanie Bruneau, Gaëlle Challet-Bouju, Marie Grall-Bronnec
Background: To date, no drugs have been approved for gambling disorder. Numerous publications have described the value of opioid antagonists. Indeed, the mesocorticolimbic dopaminergic pathway has been suggested as the underlying cause of reward-seeking behaviour, and it is modulated by the opioid system. Objective: This study aims to evaluate the relevance of opioid antagonists for treating GD. Method A systematic literature review was conducted. A search of the PubMed electronic database, PsycINFO and the Cochrane Systematic Review Database without any limits was performed...
July 18, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28714395/five-decades-of-cuprizone-an-updated-model-to-replicate-demyelinating-diseases
#15
Jose M Vega-Riquer, Gerardo Mendez-Victoriano, Raul A Morales-Luckie, Oscar Gonzalez-Perez
Multiple sclerosis, Guillain-Barré syndrome, peripheral nerve polyneuropathy and others comprise a group of demyelinating diseases characterized by progressive (and eventually irreversible) loss of oligodendrocytes and myelin sheaths in the white matter of the brain. To date, the etiology of these disorders is not well known and no effective treatments are currently available. Therefore, further research is needed to gain a better understand and treat these patients. To accomplish this goal, it is necessary to have appropriate animal models that closely resemble the pathophysiology of these diseases...
July 17, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28714394/nanoparticle-mediated-delivery-of-neuroprotective-substances-for-the-treatment-of-diabetic-retinopathy
#16
Rosario Amato, Massimo Dal Monte, Matteo Lulli, Vittoria Raffa, Giovanni Casini
Diabetic retinopathy (DR) is a major complication of diabetes, characterized by extensive vascular pathology leading to vision loss. Neuronal suffering and death are also present in the diabetic retina as a result of different molecular mechanisms that are compromised or modified in response to high glucose and that mainly include excitotoxicity, advanced glycation, inflammation and oxidative stress. Recent data indicate that the vascular changes may be secondary to damage of retinal neurons and that neurodegeneration is likely to play a primary role in the development of DR...
July 17, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28714396/differential-effects-of-nicotine-exposure-on-the-hippocampus-across-lifespan
#17
Dana Zeid, Munir Gunes Kutlu, Thomas J Gould
Nicotine exposure affects the hippocampus through activation of hippocampal nicotinic acetylcholine receptors (nAChRs), which are present throughout excitatory and inhibitory hippocampal circuitry. The role of cholinergic functioning in the hippocampus varies across developmental stages so that nicotine exposure differentially affects this region depending upon timing of exposure, producing developmentally distinct changes in structure, function, and behavior. The hippocampus continues to mature well into adolescence, and this development is modulated by cholinergic activity...
July 13, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28707595/functional-roles-of-the-ca2-activated-k-channel-kca3-1-in-brain-tumors
#18
Giuseppina D' Alessandro, Cristina Limatola, Myriam Catalano
Glioblastoma is the most aggressive and deadly brain tumor, with low disease-free period even after surgery and combined radio and chemotherapies. Among the factors contributing to rapid tumor growth in the brain are the elevated proliferation and invasion rate, and the ability to induce a local immunosuppressive environment. The intermediate-conductance Ca2+-activated K+ channel KCa3.1 is expressed on glioblastoma cells and in tumor-infiltrating cells. In tumor cells, the functional expression of KCa3.1 is important to modulate cell invasion and proliferation...
July 13, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28699486/stress-depression-resilience-and-ageing-a-role-for-the-lpa-lpa1-pathway
#19
Román D Moreno-Fernández, Sara Tabbai, Estela Castilla-Ortega, Margarita Pérez-Martín, Guillermo Estivill-Torrús, Fernando Rodríguez de Fonseca, Luis J Santín, Carmen Pedraza
BACKGROUND: Chronic stress affects health and the quality of life, with its effects being particularly relevant in ageing due to the psychobiological characteristics of this population. However, while some people develop psychiatric disorders, especially depression, others seem very capable of dealing with adversity. There is no doubt that along with the identification of neurobiological mechanisms involved in developing depression, discovering which factors are involved in positive adaptation under circumstances of extreme difficulty will be crucial for promoting resilience...
July 10, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28685671/experimental-models-for-aging-and-their-potential-for-novel-drug-discovery
#20
Jaume Folch, Oriol Busquets, Miren EttchetoElena Sánchez-López, Mercè Pallàs, Carlos Beas-Zarate, Miguel Marin, Gemma Casadesus, Jordi Olloquequi, Carme Auladell, Antoni Camins
The development of antiaging drugs is an interesting area of scientific research. In order to evaluate the beneficial effects of new potential drugs, it is necessary to gather the specific knowledge on the adequate preclinical models that are available. This review focuses on invertebrate and vertebrate preclinical models used to evaluate the efficacy of antiaging compounds, with the objective to extend lifespan and health span. Dietary restriction (DR), a common experimental process to extend lifespan in all organisms, is also discussed...
July 7, 2017: Current Neuropharmacology
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