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Therapeutic neuroscience

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https://www.readbyqxmd.com/read/27903717/deciphering-decision-making-variation-in-animal-models-of-effort-and-uncertainty-based-choice-reveals-distinct-neural-circuitries-underlying-core-cognitive-processes
#1
Catharine A Winstanley, Stan B Floresco
Maladaptive decision-making is increasingly recognized to play a significant role in numerous psychiatric disorders, such that therapeutics capable of ameliorating core impairments in judgment may be beneficial in a range of patient populations. The field of "decision neuroscience" is therefore in its ascendancy, with researchers from diverse fields bringing their expertise to bear on this complex and fascinating problem. In addition to the advances in neuroimaging and computational neuroscience that contribute enormously to this area, an increase in the complexity and sophistication of behavioral paradigms designed for nonhuman laboratory animals has also had a significant impact on researchers' ability to test the causal nature of hypotheses pertaining to the neural circuitry underlying the choice process...
November 30, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27887679/-mindfulness-based-interventions-in-obsessive-compulsive-disorder-mechanisms-of-action-and-presentation-of-a-pilot-study
#2
M Gasnier, A Pelissolo, G Bondolfi, S Pelissolo, M Tomba, L Mallet, K N'diaye
Obsessive-compulsive disorder (OCD) is a frequent and severe disease, potentially inducing a major impairment for the patient and burden for their family. Recent research in psychiatry and neuroscience have led to better comprehension of the disease's mechanisms and helped to improve its treatment. However, a large proportion of patients have refractory symptoms, including for traditional cognitive and behavioral therapy by exposure and response prevention (ERP), leading clinicians to look for new treatments...
November 22, 2016: L'Encéphale
https://www.readbyqxmd.com/read/27875804/optogenetic-approaches-for-dissecting-neuromodulation-and-gpcr-signaling-in-neural-circuits
#3
REVIEW
Skylar M Spangler, Michael R Bruchas
Optogenetics has revolutionized neuroscience by providing means to control cell signaling with spatiotemporal control in discrete cell types. In this review, we summarize four major classes of optical tools to manipulate neuromodulatory GPCR signaling: opsins (including engineered chimeric receptors); photoactivatable proteins; photopharmacology through caging-photoswitchable molecules; fluorescent protein based reporters and biosensors. Additionally, we highlight technologies to utilize these tools in vitro and in vivo, including Cre dependent viral vector expression and two-photon microscopy...
November 19, 2016: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/27871856/will-cardiac-optogenetics-find-the-way-through-the-obscure-angles-of-heart-physiology
#4
Nicola Pianca, Tania Zaglia, Marco Mongillo
Optogenetics is a technique exploded in the last 10 years, which revolutionized several areas of biological research. The brightest side of this technology is the use of light to modulate non-invasively, with high spatial resolution and millisecond time scale, excitable cells genetically modified to express light-sensitive microbial ion channels (opsins). Neuroscience has first benefited from such fascinating strategy, in intact organisms. By shining light to specific neuronal subpopulations, optogenetics allowed unearth the mechanisms involved in cell-to-cell communication within the context of intact organs, such as the brain, formed by complex neuronal circuits...
November 18, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27870416/sex-specific-mechanisms-for-responding-to-stress
#5
REVIEW
Debra A Bangasser, Brittany Wicks
Posttraumatic stress disorder and major depression share stress as an etiological contributor and are more common in women than in men. Traditionally, preclinical studies investigating the neurobiological underpinnings of stress vulnerability have used only male rodents; however, recent studies that include females are finding sex-specific mechanisms for responding to stress. This Mini-Review examines recent literature using a framework developed by McCarthy and colleagues (2012; J Neurosci 32:2241-2247) that highlights different types of sex differences...
January 2, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27845175/the-role-of-gentle-touch-in-perinatal-osteopathic-manual-therapy
#6
REVIEW
Francis McGlone, Francesco Cerritelli, Susannah Walker, Jorgee Esteves
Osteopathic medicine is a system of manual diagnosis and treatment. While there is growing evidence that osteopathy is effective in a range of clinical conditions, the underlying biological basis of its therapeutic effects remain largely unknown. Given that the sense of touch plays a critical role in osteopathy, in this perspective article, with a particular focus on perinatal care, we explore the potential mechanisms by which stimulation of the skin senses can exert beneficial physiological and psychological effects, aiding growth and development...
November 11, 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27797406/the-impact-of-fraudulent-and-irreproducible-data-to-the-translational-research-crisis-solutions-and-implementation
#7
Jörg B Schulz, Mark R Cookson, Laura Hausmann
One of the aims of basic neuroscience research is ultimately the development of therapeutics to cure diseases. Funders granting money to research institutions increasingly express interest into how their financial resources are used and look for successful translation in clinical practice. Disappointingly, many findings that started out promising in basic research projects and phase I trials did not live up to the promise of therapeutic efficacy in later phase II or III trials. An inordinately high amount of time and money is thus spent on research that does not always have the required human impact...
October 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27793597/impact-of-general-cognition-and-executive-function-deficits-on-addiction-treatment-outcomes-systematic-review-and-discussion-of-neurocognitive-pathways
#8
REVIEW
Sara Domínguez-Salas, Carmen Díaz-Batanero, Oscar Martin Lozano-Rojas, Antonio Verdejo-García
This systematic review aims to examine growing evidence linking cognitive-executive functions with addiction treatment outcomes, and to discuss significant cognitive predictors drawing upon addiction neuroscience theory. We conducted a systematic search to identify studies using measures of general cognition and executive functions in patients with substance use disorders for the purpose of predicting two treatment outcomes: therapeutic adherence and relapse. Forty-six studies were selected, and sample characteristics, timing of assessments, and cognitive measures were analyzed...
October 25, 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27791054/human-amygdala-engagement-moderated-by-early-life-stress-exposure-is-a-biobehavioral-target-for-predicting-recovery-on-antidepressants
#9
Andrea N Goldstein-Piekarski, Mayuresh S Korgaonkar, Erin Green, Trisha Suppes, Alan F Schatzberg, Trevor Hastie, Charles B Nemeroff, Leanne M Williams
Amygdala circuitry and early life stress (ELS) are both strongly and independently implicated in the neurobiology of depression. Importantly, animal models have revealed that the contribution of ELS to the development and maintenance of depression is likely a consequence of structural and physiological changes in amygdala circuitry in response to stress hormones. Despite these mechanistic foundations, amygdala engagement and ELS have not been investigated as biobehavioral targets for predicting functional remission in translational human studies of depression...
October 18, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27756689/neuroadaptations-to-antipsychotic-drugs-insights-from-pre-clinical-and-human-post-mortem-studies
#10
Davide Amato, Clare L Beasley, Margaret K Hahn, Anthony C Vernon
Antipsychotic drugs, all of which block the dopamine D2 receptor to a greater or lesser extent, are the mainstay for the pharmacological treatment of schizophrenia. Engaging in a deeper understanding of how antipsychotics act on the brain and body, at the cellular, molecular and physiological level is vital to comprehend both the beneficial and potentially harmful actions of these medications and stimulate development of novel therapeutics. To address this, we review recent advances in our understanding of neuroadaptations to antipsychotics, focusing on (1) treatment efficacy, (2) impact on brain volume and (3) evidence from human post-mortem studies that attempt to dissect neuropathological effects of antipsychotic drugs from organic schizophrenia neurobiology and (4) cardio-metabolic side effects...
October 15, 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27744679/identification-of-the-first-marine-derived-opioid-receptor-balanced-agonist-with-a-signaling-profile-that-resembles-the-endorphins
#11
Tyler A Johnson, Laura Milan-Lobo, Tao Che, Madeline Ferwerda, Eptisam Lambo, Nicole L McIntosh, Fei Li, Li He, Nicholas Lorig-Roach, Phillip Crews, Jennifer Lynne Whistler
Opioid therapeutics are excellent analgesics, whose utility is compromised by dependence. Morphine (1) and its clinically relevant derivatives such as OxyContin® (4), Vicodin® (5) and Dilaudid® (6) are "biased" agonists at the µ opioid receptor (OR), wherein they engage G-protein signaling but poorly engage β-arrestin and the endocytic machinery. In contrast, the endorphins, met-enkephalin (14) and β-endorphin (15), endogenous peptide agonists for ORs, are more potent analgesics then 1, show reduced liability for tolerance and dependence, and engage both G-protein and β-arrestin pathways as "balanced" agonists...
October 17, 2016: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/27719874/nature-of-the-placebo-and-nocebo-effect-in-relation-to-functional-neurologic-disorders
#12
E Carlino, A Piedimonte, F Benedetti
Placebos have long been considered a nuisance in clinical research, for they have always been used as comparators for the validation of new treatments. By contrast, today they represent an active field of research, and, due to the involvement of many mechanisms, the study of the placebo effect can actually be viewed as a melting pot of concepts and ideas for neuroscience. There is not a single placebo effect, but many, with different mechanisms across different medical conditions and therapeutic interventions...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27704837/ages-rage-related-neurodegeneration-daf-16-as-a-mediator-insulin-as-an-ameliorant-and-c-elegans-as-an-expedient-research-model
#13
Adi Pinkas, Michael Aschner
Advanced glycation end-products (AGEs) are non-enzymatically glycated proteins, lipids and nucleic acids. These compounds both originate exogenously and are formed endogenously, and are associated, along with one of their receptors - RAGE, with a variety of pathologies and neurodegeneration. Some of their deleterious effects include affecting insulin signaling and FOXO-related pathways in both receptor-dependent and -independent manner. A potential ameliorating agent for these effects is insulin, which is being studied in several in vivo and in vitro models; one of these models is C...
October 5, 2016: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/27699943/treatment-for-anhedonia-a-neuroscience-driven-approach
#14
Michelle G Craske, Alicia E Meuret, Thomas Ritz, Michael Treanor, Halina J Dour
Anhedonia, or loss of interest or pleasure in usual activities, is characteristic of depression, some types of anxiety, as well as substance abuse and schizophrenia. Anhedonia is a predictor of poor long-term outcomes, including suicide, and poor treatment response. Because extant psychological and pharmacological treatments are relatively ineffective for anhedonia, there is an unmet therapeutic need for this high-risk symptom. Current psychological and drug treatments for anxiety and depression focus largely on reducing excesses in negative affect rather than improving deficits in positive affect...
October 2016: Depression and Anxiety
https://www.readbyqxmd.com/read/27649637/psychedelics-recruit-multiple-cellular-types-and-produce-complex-transcriptional-responses-within-the-brain
#15
David A Martin, Charles D Nichols
There has recently been a resurgence of interest in psychedelics, substances that profoundly alter perception and cognition and have recently demonstrated therapeutic efficacy to treat anxiety, depression, and addiction in the clinic. The receptor mechanisms that drive their molecular and behavioral effects involve activation of cortical serotonin 5-HT2A receptors, but the responses of specific cellular populations remain unknown. Here, we provide evidence that a small subset of 5-HT2A-expressing excitatory neurons is directly activated by psychedelics and subsequently recruits other select cell types including subpopulations of inhibitory somatostatin and parvalbumin GABAergic interneurons, as well as astrocytes, to produce distinct and regional responses...
September 2016: EBioMedicine
https://www.readbyqxmd.com/read/27638616/neuroimmune-mechanisms-in-krabbe-s-disease
#16
REVIEW
Gregory B Potter, Magdalena A Petryniak
Neuroinflammation, activation of innate immune components of the nervous system followed by an adaptive immune response, is observed in most leukodystrophies and coincides with white matter pathology, disease progression, and morbidity. Despite this, there is a major gap in our knowledge of the contribution of the immune system to disease phenotype. Inflammation in Krabbe's disease has been considered a secondary effect, resulting from cell-autonomous oligodendroglial cell death or myelin loss resulting from psychosine accumulation...
November 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27638604/new-therapeutic-approaches-for-krabbe-disease-the-potential-of-pharmacological-chaperones
#17
REVIEW
Samantha J Spratley, Janet E Deane
Missense mutations in the lysosomal hydrolase β-galactocerebrosidase (GALC) account for at least 40% of known cases of Krabbe disease (KD). Most of these missense mutations are predicted to disrupt the fold of the enzyme, preventing GALC in sufficient amounts from reaching its site of action in the lysosome. The predominant central nervous system (CNS) pathology and the absence of accumulated primary substrate within the lysosome mean that strategies used to treat other lysosomal storage disorders (LSDs) are insufficient in KD, highlighting the still unmet clinical requirement for successful KD therapeutics...
November 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27638600/hematopoietic-stem-cell-transplantation-and-lentiviral-vector-based-gene-therapy-for-krabbe-s-disease-present-convictions-and-future-prospects
#18
Peirong Hu, Yedda Li, Nana Nikolaishvili-Feinberg, Giuseppe Scesa, Yanmin Bi, Dao Pan, Dominic Moore, Ernesto R Bongarzone, Mark S Sands, Ryan Miller, Tal Kafri
Currently, presymtomatic hematopoietic stem and progenitor cell transplantation (HSPCT) is the only therapeutic modality that alleviates Krabbe's disease (KD)-induced central nervous system damage. However, all HSPCT-treated patients exhibit severe deterioration in peripheral nervous system function characterized by major motor and expressive language pathologies. We hypothesize that a combination of several mechanisms contribute to this phenomenon, including 1) nonoptimal conditioning protocols with consequent inefficient engraftment and biodistribution of donor-derived cells and 2) insufficient uptake of donor cell-secreted galactocerebrosidease (GALC) secondary to a naturally low expression level of the cation-independent mannose 6-phosphate-receptor (CI-MPR)...
November 2016: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/27604737/cognitive-evaluation-using-morris-water-maze-in-neurotrauma
#19
Ying Deng-Bryant, Lai Yee Leung, Krista Caudle, Frank Tortella, Deborah Shear
The Morris water maze (MWM) task is one of the most widely used and versatile tools in behavioral neuroscience for evaluating spatial learning and memory. With regard to detecting cognitive deficits following central nervous system (CNS) injuries, MWM has been commonly utilized in various animal models of neurotrauma, such as fluid percussion injury (FPI), cortical controlled impact (CCI) injury, weight-drop impact injury, and penetrating ballistic-like brain injury (PBBI). More importantly, it serves as a therapeutic index for assessing the efficacy of treatment interventions on cognitive performance following neurotrauma...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27602531/idiopathic-intracranial-hypertension-pseudotumor-cerebri
#20
Susan Bell
Idiopathic intracranial hypertension has been recognized in the literature for over 100 years. It is a disease of elevated intracranial pressure without evidence of a space-occupying lesion found most often in obese women of childbearing age. The signs and symptoms have been well described; however, the etiology is yet unknown. Medical and surgical treatment is aimed at the preservation of vision and improvement in symptoms. The medical literature is replete with articles addressing the epidemiology, pathophysiology, clinical and imaging features, and treatment...
September 5, 2016: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
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