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Progress in Neurobiology

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https://www.readbyqxmd.com/read/29108801/mechanisms-of-placebo-analgesia-a-dual-process-model-informed-by-insights-from-cross-species-comparisons
#1
REVIEW
Scott M Schafer, Stephan Geuter, Tor D Wager
Placebo treatments are pharmacologically inert, but are known to alleviate symptoms across a variety of clinical conditions. Associative learning and cognitive expectations both play important roles in placebo responses, however we are just beginning to understand how interactions between these processes lead to powerful effects. Here, we review the psychological principles underlying placebo effects and our current understanding of their brain bases, focusing on studies demonstrating both the importance of cognitive expectations and those that demonstrate expectancy-independent associative learning...
November 3, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/29108800/nano-and-neurotoxicology-an-emerging-discipline
#2
REVIEW
Anna Bencsik, Philippe Lestaevel, Irina Guseva Canu
The present critical review analyzes the question of how nanoparticles from continuously growing industrial production and use of nanomaterials may impact human brain health. Available evidence suggests incomplete effectiveness of protective barriers of the brain against nanoparticles translocation to the brain. This raises concerns of potential effects of manufactured nanoparticles on brain functions, given that nanoparticle's potential to induce oxidative stress, inflammation, death by apoptosis, or changes in the level of expression of certain neurotransmitters...
November 3, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/29102670/and-yet-it-moves-recovery-of-volitional-control-after-spinal-cord-injury
#3
REVIEW
G Taccola, D Sayenko, P Gad, Y Gerasimenko, V R Edgerton
Preclinical and clinical neurophysiological and neurorehabilitation research has generated rather surprising levels of recovery of volitional sensory-motor function in persons with chronic motor paralysis following a spinal cord injury. The key factor in this recovery is largely activity-dependent plasticity of spinal and supraspinal networks. This key factor can be triggered by neuromodulation of these networks with electrical and pharmacological interventions. This review addresses some of the systems-level physiological mechanisms that might explain the effects of electrical modulation and how repetitive training facilitates the recovery of volitional motor control...
November 2, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/29100839/beyond-the-genome-towards-an-epigenetic-understanding-of-handedness-ontogenesis
#4
REVIEW
Judith Schmitz, Gerlinde A S Metz, Onur Güntürkün, Sebastian Ocklenburg
Hemispheric asymmetries represent one of the major organizational principles in vertebrate neurobiology, but their molecular determinants are not well understood. For handedness, the most widely investigated form of hemispheric asymmetries in humans, single gene explanations have been the most popular ontogenetic model in the past. However, molecular genetic studies revealed only few specific genes that explain a small fraction of the phenotypic variance. In contrast, family studies indicated heritability of up to 0...
October 31, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/29097192/the-endocannabinoid-system-and-its-therapeutic-exploitation-in-multiple-sclerosis-clues-for-other-neuroinflammatory-diseases
#5
REVIEW
Valerio Chiurchiù, Mario van der Stelt, Diego Centonze, Mauro Maccarrone
Multiple sclerosis is the most common inflammatory demyelinating disease of the central nervous system, caused by an autoimmune response against myelin that eventually leads to progressive neurodegeneration and disability. Although the knowledge on its underlying neurobiological mechanisms has considerably improved, there is a still unmet need for new treatment options, especially for the progressive forms of the disease. Both preclinical and clinical data suggest that cannabinoids, derived from the Cannabis sativa plant, may be used to control symptoms such as spasticity and chronic pain, whereas only preclinical data indicate that these compounds and their endogenous counterparts, i...
October 31, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/29111451/brain-immune-interactions-in-perinatal-hypoxic-ischemic-brain-injury
#6
REVIEW
Bo Li, Katherine Concepcion, Xianmei Meng, Lubo Zhang
Perinatal hypoxia-ischemia remains the primary cause of acute neonatal brain injury, leading to a high mortality rate and long-term neurological deficits, such as behavioral, social, attentional, cognitive and functional motor deficits. An ever-increasing body of evidence shows that the immune response to acute cerebral hypoxia-ischemia is a major contributor to the pathophysiology of neonatal brain injury. Hypoxia-ischemia provokes an intravascular inflammatory cascade that is further augmented by the activation of resident immune cells and the cerebral infiltration of peripheral immune cells response to cellular damages in the brain parenchyma...
October 27, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/29032144/peroxisome-proliferator-activated-receptor-%C3%AE-ppar%C3%AE-a-master-gatekeeper-in-cns-injury-and-repair
#7
REVIEW
Wei Cai, Tuo Yang, Huan Liu, Lijuan Han, Kai Zhang, Xiaoming Hu, Xuejing Zhang, Ke-Jie Yin, Yanqin Gao, Michael V L Bennett, Rehana K Leak, Jun Chen
Peroxisome proliferator-activated receptor γ (PPARγ) is a widely expressed ligand-modulated transcription factor that governs the expression of genes involved in inflammation, redox equilibrium, trophic factor production, insulin sensitivity, and the metabolism of lipids and glucose. Synthetic PPARγ agonists (e.g. thiazolidinediones) are used to treat Type II diabetes and have the potential to limit the risk of developing brain injury by mitigating the influence of comorbidities. If brain injury develops, PPARγ serves as a master gatekeeper of cytoprotective stress responses, improving the chances of survival and recovery of homeostatic equilibrium...
October 11, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28987927/blood-brain-barrier-dysfunction-and-recovery-after-ischemic-stroke
#8
REVIEW
Xiaoyan Jiang, Anuska V Andjelkovic, Ling Zhu, Tuo Yang, Michael V L Bennett, Jun Chen, Richard F Keep, Yejie Shi
The blood-brain barrier (BBB) plays a vital role in regulating the trafficking of fluid, solutes and cells at the blood-brain interface and maintaining the homeostatic microenvironment of the CNS. Under pathological conditions, such as ischemic stroke, the BBB can be disrupted, followed by the extravasation of blood components into the brain and compromise of normal neuronal function. This article reviews recent advances in our knowledge of the mechanisms underlying BBB dysfunction and recovery after ischemic stroke...
October 5, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28903061/lymphatic-drainage-system-of-the-brain-a-novel-target-for-intervention-of-neurological-diseases
#9
REVIEW
Bao-Liang Sun, Li-Hua Wang, Tuo Yang, Jing-Yi Sun, Lei-Lei Mao, Ming-Feng Yang, Hui Yuan, Robert A Colvin, Xiao-Yi Yang
The belief that the vertebrate brain functions normally without classical lymphatic drainage vessels has been held for many decades. On the contrary, new findings show that functional lymphatic drainage does exist in the brain. The brain lymphatic drainage system is composed of basement membrane-based perivascular pathway, a brain-wide glymphatic pathway, and cerebrospinal fluid (CSF) drainage routes including sinus-associated meningeal lymphatic vessels and olfactory/cervical lymphatic routes. The brain lymphatic systems function physiological as a route of drainage for interstitial fluid (ISF) from brain parenchyma to nearby lymph nodes...
September 10, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28899762/the-role-of-non-endothelial-cells-on-the-penetration-of-nanoparticles-through-the-blood-brain-barrier
#10
REVIEW
Rui Pedro Moura, Andreia Almeida, Bruno Sarmento
The blood brain barrier (BBB) is a well-established cell-based membrane that circumvents the central nervous system (CNS), protecting it from harmful substances. Due to its robustness and cell integrity, it is also an outstanding opponent when it comes to the delivery of several therapeutic agents to the brain, which requires the crossing through its highly-organized structure. This regulation and cell-cell communications occur mostly between astrocytes, pericytes and endothelial cells. Therefore, alternative ways to deliver drugs to the CNS, overcoming the BBB are required, to improve the efficacy of brain target drugs...
September 9, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28870769/progressing-neurobiological-strategies-against-proteostasis-failure-challenges-in-neurodegeneration
#11
REVIEW
Ayeman Amanullah, Arun Upadhyay, Vibhuti Joshi, Ribhav Mishra, Nihar Ranjan Jana, Amit Mishra
Proteins are ordered useful cellular entities, required for normal health and organism's survival. The proteome is the absolute set of cellular expressed proteins, which regulates a wide range of physiological functions linked with all domains of life. In aging cells or under unfavorable cellular conditions, misfolding of proteins generates common pathological events linked with neurodegenerative diseases and aging. Current advances of proteome studies systematically generates some progress in our knowledge that how misfolding of proteins or their accumulation can contribute to the impairment or depletion of proteome functions...
September 1, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28842356/impact-of-micrornas-on-ischemic-stroke-from-pre-to-post-disease
#12
REVIEW
Guangwen Li, Kahlilia C Morris-Blanco, Mary S Lopez, Tuo Yang, Haiping Zhao, Raghu Vemuganti, Yumin Luo
Stroke is the number one cause of neurological dysfunction in adults and has a heavy socioeconomic burden worldwide. The etiological origins of ischemic stroke and resulting pathological processes are mediated by a multifaceted cascade of molecular mechanisms that are in part modulated by posttranscriptional activity. Accumulating evidence has revealed a role for microRNAs (miRNAs) as essential mediators of posttranscriptional gene silencing in both the physiology of brain development and pathology of ischemic stroke...
August 24, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28855100/modelling-iron-mismanagement-in-neurodegenerative-disease-in-vitro-paradigms-pitfalls-possibilities-practical-considerations
#13
REVIEW
Sinead Healy, Jill M McMahon, Una FitzGerald
Although aberrant metabolism and deposition of iron has been associated with aging and neurodegeneration, the contribution of iron to neuropathology is unclear. Well-designed model systems that are suited to studying the putative pathological effect of iron are likely to be essential if such unresolved details are to be clarified. In this review, we have evaluated the utility and effectiveness of the reductionist in vitro platform to study the molecular mechanisms putatively underlying iron perturbations of neurodegenerative disease...
November 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28851546/chronic-traumatic-encephalopathy-integration-of-canonical-traumatic-brain-injury-secondary-injury-mechanisms-with-tau-pathology
#14
REVIEW
Jacqueline R Kulbe, Edward D Hall
In recent years, a new neurodegenerative tauopathy labeled Chronic Traumatic Encephalopathy (CTE), has been identified that is believed to be primarily a sequela of repeated mild traumatic brain injury (TBI), often referred to as concussion, that occurs in athletes participating in contact sports (e.g. boxing, American football, Australian football, rugby, soccer, ice hockey) or in military combatants, especially after blast-induced injuries. Since the identification of CTE, and its neuropathological finding of deposits of hyperphosphorylated tau protein, mechanistic attention has been on lumping the disorder together with various other non-traumatic neurodegenerative tauopathies...
November 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28802884/astrocytes-and-endoplasmic-reticulum-stress-a-bridge-between-obesity-and-neurodegenerative-diseases
#15
REVIEW
Cynthia A Martin-Jiménez, Ángela García-Vega, Ricardo Cabezas, Gjumrakch Aliev, Valentina Echeverria, Janneth González, George E Barreto
Endoplasmic reticulum (ER) is a subcellular organelle involved in protein folding and processing. ER stress constitutes a cellular process characterized by accumulation of misfolded proteins, impaired lipid metabolism and induction of inflammatory responses. ER stress has been suggested to be involved in several human pathologies, including neurodegenerative diseases and obesity. Different studies have shown that both neurodegenerative diseases and obesity trigger similar cellular responses to ER stress. Moreover, both diseases are assessed in astrocytes as evidences suggest these cells as key regulators of brain homeostasis...
November 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28779869/functional-integration-of-complex-mirna-networks-in-central-and-peripheral-lesion-and-axonal-regeneration
#16
REVIEW
M Ghibaudi, M Boido, A Vercelli
New players are emerging in the game of peripheral and central nervous system injury since their physiopathological mechanisms remain partially elusive. These mechanisms are characterized by several molecules whose activation and/or modification following a trauma is often controlled at transcriptional level. In this scenario, microRNAs (miRNAs/miRs) have been identified as main actors in coordinating important molecular pathways in nerve or spinal cord injury (SCI). miRNAs are small non-coding RNAs whose functionality at network level is now emerging as a new level of complexity...
November 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28743464/stem-cell-therapy-for-abrogating-stroke-induced-neuroinflammation-and-relevant-secondary-cell-death-mechanisms
#17
REVIEW
Connor Stonesifer, Sydney Corey, Shaila Ghanekar, Zachary Diamandis, Sandra A Acosta, Cesar V Borlongan
Ischemic stroke is a leading cause of death worldwide. A key secondary cell death mechanism mediating neurological damage following the initial episode of ischemic stroke is the upregulation of endogenous neuroinflammatory processes to levels that destroy hypoxic tissue local to the area of insult, induce apoptosis, and initiate a feedback loop of inflammatory cascades that can expand the region of damage. Stem cell therapy has emerged as an experimental treatment for stroke, and accumulating evidence supports the therapeutic efficacy of stem cells to abrogate stroke-induced inflammation...
November 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28734836/criticality-in-the-brain-a-synthesis-of-neurobiology-models-and-cognition
#18
REVIEW
Luca Cocchi, Leonardo L Gollo, Andrew Zalesky, Michael Breakspear
Cognitive function requires the coordination of neural activity across many scales, from neurons and circuits to large-scale networks. As such, it is unlikely that an explanatory framework focused upon any single scale will yield a comprehensive theory of brain activity and cognitive function. Modelling and analysis methods for neuroscience should aim to accommodate multiscale phenomena. Emerging research now suggests that multi-scale processes in the brain arise from so-called critical phenomena that occur very broadly in the natural world...
November 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28918824/new-perspectives-on-healthy-aging
#19
EDITORIAL
Kunlin Jin
No abstract text is available yet for this article.
October 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/28782588/impact-of-aging-immune-system-on-neurodegeneration-and-potential-immunotherapies
#20
REVIEW
Zhanfeng Liang, Yang Zhao, Linhui Ruan, Linnan Zhu, Kunlin Jin, Qichuan Zhuge, Dong-Ming Su, Yong Zhao
The interaction between the nervous and immune systems during aging is an area of avid interest, but many aspects remain unclear. This is due, not only to the complexity of the aging process, but also to a mutual dependency and reciprocal causation of alterations and diseases between both the nervous and immune systems. Aging of the brain drives whole body systemic aging, including aging-related changes of the immune system. In turn, the immune system aging, particularly immunosenescence and T cell aging initiated by thymic involution that are sources of chronic inflammation in the elderly (termed inflammaging), potentially induces brain aging and memory loss in a reciprocal manner...
October 2017: Progress in Neurobiology
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