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Current Neuropharmacology

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https://www.readbyqxmd.com/read/28322166/glutamate-modulating-drugs-as-a-potential-therapeutic-strategy-in-obsessive-compulsive-disorder
#1
Zoya Marinova, De-Maw Chuang, Naomi Fineberg
OBJECTIVE: Obsessive-compulsive disorder (OCD) is a mental disease commonly associated with severe distress and impairment of social functioning. Serotonin reuptake inhibitors and/or cognitive behavioural therapy are the therapy of choice, however up to 40% of patients do not respond to treatment. Glutamatergic signalling has also been implicated in OCD. The aim of the current study was to review the clinical evidence for therapeutic utility of glutamate-modulating drugs as an augmentation or monotherapy in OCD patients...
March 20, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28294068/cognitive-impacts-of-estrogen-treatment-in-androgen-deprived-males-what-needs-to-be-resolved
#2
Erik Wibowo
BACKGROUND: Many prostate cancer (PCa) patients are on androgen deprivation therapy (ADT) as part of their cancer treatments but ADT may cause cognitive impairments. ADT depletes men of both androgen and estrogen. Whether estradiol supplementation can improve cognitive impairments in patients on ADT is understudied. OBJECTIVE: To summarize data on the effects of estradiol treatment on cognitive function of androgen-deprived genetic male populations (PCa patients and male-to-female transsexuals) and castrated male animals...
March 13, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28294067/the-infectious-etiology-of-alzheimer-s-disease
#3
Marta Sochocka, Katarzyna Zwolińska, Jerzy Leszek
Inflammation is a part of the first line of defense of the body against invasive pathogens, and plays a crucial role in tissue regeneration and repair. A proper inflammatory response ensures the suitable resolution of inflammation and elimination of harmful stimuli, but when the inflammatory reactions are inappropriate it can lead to damage of the surrounding normal cells. The relationship between infections and Alzheimer's Disease (AD) etiology, especially late-onset AD (LOAD) has been continuously debated over the past three decades...
March 13, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28294066/mechanisms-of-melatonin-in-alleviating-alzheimer-s-disease
#4
Mayuri Shukla, Parichart Boontem, Russel J Reiter, Jutamaad Satayavivad, Piyarat Govitrapong
Alzheimer's disease (AD) is a chronic, progressive and prevalent neurodegenerative disease characterized by the loss of higher cognitive functions and an associated loss of memory. The thus far "incurable" stigma for AD prevails because of variations in the success rates of different treatment protocols in animal and human studies. Among the classical hypotheses explaining AD pathogenesis, the amyloid hypothesis is currently being targeted for drug development. The underlying concept is to prevent the formation of these neurotoxic peptides which play a central role in AD pathology and trigger a multispectral cascade of neurodegenerative processes post-aggregation...
March 13, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28290248/the-%C3%AE-2%C3%AE-subunit-and-absence-epilepsy-beyond-calcium-channels
#5
Roberta Celli, Ines Santolini, Michela Guiducci, Gilles van Luijtelaar, Pasquale Parisi, Pasquale Striano, Roberto Gradini, Giuseppe Battaglia, Richard T Ngomba, Ferdinando Nicoletti
Spike-wave discharges, underlying absence seizures, are generated within a cortico-thalamo-cortical network that involves the somatosensory cortex, the reticular thalamic nucleus, and the ventrobasal thalamic nuclei. Activation of T-type voltage-sensitive calcium channels (VSCCs) contributes to the pathological oscillatory activity of this network, and some of the first-line drugs used in the treatment of absence epilepsy inhibit T-type calcium channels. The α2δ subunit is a component of high voltage-activated VSCCs (i...
March 8, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28228087/beyond-ketamine-new-approaches-to-the-development-of-safer-antidepressants
#6
Shigeyuki Chaki
Ketamine has been reported to exert rapid and sustained antidepressant effects in patients with depression, including patients with treatment-resistant depression. However, ketamine has several drawbacks such as psychotomimetic/dissociative symptoms, abuse potential and neurotoxicity, all of which prevent its routine use in daily clinical practice. Therefore, development of novel agents with fewer safety and usage concerns for the treatment of depression has been actively investigated. From this standpoint, searching for active substances (stereoisomers and metabolites) and agents acting on the N-methyl-D-aspartate (NMDA) receptor have recently gained much attention...
February 20, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28183245/ykl-40-as-a-potential-biomarker-and-a-possible-target-in-therapeutic-strategies-of-alzheimer-s-disease
#7
Paweł Muszyński, Magdalena Groblewska, Agnieszka Kulczyńska-Przybik, Alina Kułakowska, Barbara Mroczko
BACKGROUND: Growing body of evidence suggests that pathogenesis of Alzheimer's disease (AD), a progressing neurodegenerative condition, is not limited to the neuronal compartment, but also involves various immunological mechanisms. Insoluble Aβ aggregates in the brain can induce the activation of microglia, resulting in synthesis of proinflammatory mediators, which further can stimulate astrocytic expression of YKL-40. Therefore, the aim of the current review is to present up-to-date data about the role of YKL-40 as a biomarker of AD as well as the possibility of therapeutic strategies targeting neuroinflammation...
February 8, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28093977/the-amyloid-cascade-hypothesis-in-alzheimer-s-disease-it-s-time-to-change-our-mind
#8
Roberta Ricciarelli, Ernesto Fedele
Since its discovery in 1984, the beta amyloid peptide has treaded the boards of neurosciences as the star molecule in Alzheimer's disease pathogenesis. In the last decade, however, this vision has been challenged by evidence-based medicine showing the almost complete failure of clinical trials that experimented anti-amyloid therapies with great hopes. Moreover, data have accumulated which clearly indicates that this small peptide plays a key role in the physiological processes of memory formation. In the present review, we will discuss the different aspects of the amyloid cascade hypothesis, highlighting its pros and cons, and we will analyse the results of the therapeutic approaches attempted to date that should change the direction of Alzheimer's disease research in the future...
January 16, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28093976/chemoinformatics-profiling-of-the-chromone-nucleus-as-a-mao-b-a2aar-dual-binding-scaffold
#9
Maykel Cruz-Monteagudo, Fernanda Borges, M Natália D S Cordeiroc, Aliuska Morales Helguerad, Eduardo Tejerab, Cesar Paz-Y-Miñob, Aminael Sánchez-Rodrígueze, Yunier Perera-Sardiñaf, Yunierkis Perez-Castillo
BACKGROUND: In the context of the current drug discovery efforts to find disease modifying therapies for Parkinson´s disease (PD) the current single target strategy has proved inefficient. Consequently, the search for multi-potent agents is attracting more and more attention due to the multiple pathogenetic factors implicated in PD. Multiple evidences points to the dual inhibition of the monoamine oxidase B (MAO-B), as well as adenosine A2A receptor (A2AAR) blockade, as a promising approach to prevent the neurodegeneration involved in PD...
January 16, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28088912/melatonin-as-a-therapeutic-resource-for-inflammatory-visual-diseases
#10
Marcos L Aranda, María Florencia González Fleitas, Hernán Dieguez, Agustina Iaquinandi, Pablo H Sande, Damián Dorfman, Ruth E Rosenstein
BACKGROUND: Uveitis and optic neuritis are prevalent ocular inflammatory diseases, and highly damaging ocular conditions. Both diseases are currently treated with corticosteroids, but they do not have adequate efficacy and are often associated with severe side effects. Thus, uveitis and optic neuritis remain a challenging field to ophthalmologists and a significant public health concern. OBJECTIVE: This review summarizes findings showing the benefits of a treatment with melatonin in experimental models of these inflammatory ocular diseases...
January 13, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28088914/diverse-functions-and-mechanisms-of-pericytes-in-ischemic-stroke
#11
Shuai Yang, Huijuan Jin, Yiyi Zhu, Yan Wan, Lingqiang Zhu, Bo Hu
Pericytes are mural cells embedded in the basement membrane of microvessels. Because of such a unique position in the blood-brain barrier (BBB) and neurovascular unit (NVU), they receive, orchestrate and process signals from their neighboring cells to generate diverse neurovascular functions, including regulation of capillary hemodynamics, BBB permeability, clearance of toxic metabolites, angiogenesis, neuroinflammation and stem cell activity. During the different stages of ischemic stroke, pericytes play different roles: 1) On the hyperacute phase of stroke, pericytes constriction and death may be a cause of the no-reflow phenomenon in brain capillaries; 2) During the acute phase, pericytes detach from microvessels and participate in inflammatory-immunological response, resulting in the BBB damage and brain edema...
January 12, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28088913/a-comparative-study-of-short-term-efficacy-of-aripiprazole-and-risperidone-in-schizophrenia
#12
P B Sajeev Kumar, Ravi S Pandey, Jagadisha Thirthali, P T Siva Kumar, C Naveen Kumar
Objective To compare the short term anti-schizophrenic efficacy and side effect profile of aripiprazole with risperidone. Methodology The study was a non-randomized, naturalistic, rater blinded, prospective, 8-12 weeks, comparative trial between risperidone and aripiprazole in patients with schizophrenia. Patients already getting treatment with aripiprazole (10 to 30 mg/day) or risperidone (3 to 8mg/day) are recruited. Mini International Neuropsychiatric Interview (MINI) Plus, Positive and Negative Syndrome Scale (PANSS), Abnormal Involuntary Movement Scale (AIMS), Simpson Angus Scale (SAS), Udvalg for Klinske Undersogelser (UKU) Scale, Clinical Global Impression-severity scales were administered by principal investigator on the day of recruitment...
January 12, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28067172/fusing-docking-scoring-functions-improves-the-virtual-screening-performance-for-discovering-parkinson-s-disease-dual-target-ligands
#13
Yunierkis Perez-Castillo, Aliuska Morales Helguera, M Natália D S Cordeiro, Eduardo Tejera, Cesar Paz-Y-Miño, Aminael Sánchez-Rodríguez, Fernanda Borges, Maykel Cruz-Monteagudo
Virtual methodologies have become essential components of the drug discovery pipeline. Specifically, structure-based drug design methodologies exploit the 3D structure of molecular targets to discover new drug candidates through molecular docking. Recently, dual target ligands of the Adenosine A2A Receptor and Monoamine Oxidase B enzyme have been proposed as effective therapies for the treatment of Parkinson's disease. To the best of our knowledge, no theoretical study has been devoted to developing structure-based virtual screening methodologies for the discovery of dual A2AAR antagonists and MAO-B inhibitors...
January 9, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28042767/advantages-of-structure-based-drug-design-approaches-in-neurological-disorders
#14
Murali Aarthy, Umesh Panwar, Chandrabose Selvaraj, Sanjeev Kumar Singh
The nerve impulse that function during abnormal or due in illness may due to several genetic factors, metabolic, biological conditions or environmental components denominated as Neuro-biological disorders. This illness occurs mostly due to the innumerable biological modifications that alters the mechanistic condition of the brain. As per current update, more than a millions of people around the world are suffering through various kinds of neurological disorders. In case, 50 million people with Epilepsy, 35 million with dementia, mainly included Alzheimer's disease and the rest of other cases with Parkinson's, Migraine and Stroke...
January 2, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28034283/in-silico-studies-revealed-multiple-neurological-targets-for-the-antidepressant-molecule-ursolic-acid
#15
Rajeev K Singla, Luciana Scotti, Ashok K Dubey
BACKGROUND: Ursolic acid, a bioactive pentacyclic triterpenoid had been evaluated for its interaction with the neurological targets associated with antidepressant drugs. Current study was to mechanistically analyze the probable site of action for ursolic acid on the target proteins. METHODS: Ursolic acid has been docked with monoamine oxidase isoforms: MAO-A and MAO-B, LeuT (homologue of SERT, NET, DAT) and Human C-terminal CAP1 using GRIP docking methodology. RESULTS: Results revealed its non-selective antidepressant action with strong binding affinity towards LeuT and MAO-A proteins, which was found to be comparable with the reference ligands like chlorgyline, clomipramine, sertraline and deprenyl / selegiline...
December 29, 2016: Current Neuropharmacology
https://www.readbyqxmd.com/read/28031015/melatonin-pharmacology-functions-and-therapeutic-benefits
#16
Sylvie Tordjman, Sylvie Chokron, Richard Delorme, Annaëlle Charrier, Eric Bellissant, Nemat Jaafari, Claire Fougerou
Melatonin synchronizes central but also peripheral oscillators (fetal adrenal gland, pancreas, liver, kidney, heart, lung, fat, gut, etc.), allowing temporal organization of biological functions through circadian rhythms in relation to periodic environmental changes and therefore adaptation of the individual to his/her internal and external environment. Measures of melatonin are considered the best peripheral indices of human circadian timing. First, the pharmacology of melatonin (biosynthesis and circadian rhythms, pharmacokinetics and mechanisms of action) is described, allowing a better understanding of the short and long term effects of melatonin following its immediate or prolonged release...
December 28, 2016: Current Neuropharmacology
https://www.readbyqxmd.com/read/28029073/exploring-optic-nerve-axon-regeneration
#17
Hong-Jiang Li, Zhao-Liang Sun, Xi-Tao Yang, Liang Zhu, Dong-Fu Feng
Traumatic optic nerve (ON) injury is a leading cause of irreversible visual impairment worldwide. To date, neither pharmacological nor surgical interventions are sufficient to halt or reverse the progression of visual loss. Axon regeneration is critical for functional recovery of vision following ON injury. After ON injury, retinal ganglion cells (RGCs) axons usually fail to regrow and instead die back, leading to the death of the RGCs and subsequently causing the functional loss of vision. However, the detailed molecular mechanisms underlying axon regeneration after ON injury remain poorly understood...
December 27, 2016: Current Neuropharmacology
https://www.readbyqxmd.com/read/28125955/editorial-thematic-selection-spinal-neuropharmacological-agents-for-the-management-of-pain
#18
EDITORIAL
Rui V Duarte, Jon H Raphael, Sam Eldabe
No abstract text is available yet for this article.
2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28125954/editorial-thematic-selection-glutamatergic-based-rapid-acting-antidepressants-the-link-to-synaptic-plasticity
#19
EDITORIAL
Joseph R Moskal
No abstract text is available yet for this article.
2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/27568544/exosomes-the-messengers-of-health-and-disease
#20
REVIEW
Allison L Isola, Suzie Chen
Exosomes are small vesicles comprised of a lipid bilayer containing various proteins, RNAs and bioactive lipids. They act as intercellular messengers that give the ability to communicate between both cells of the same type and other cell types. They are released by healthy cells, both constitutively and upon cell activation and play an important role in immune system function. Exosomes are essential for healthy physiological conditions, however under pathological circumstances, they act to potentiate cellular stress and damage...
2017: Current Neuropharmacology
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