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https://www.readbyqxmd.com/read/29667473/harnessing-neuroplasticity-modern-approaches-and-clinical-future
#1
Andrew Octavian Sasmita, Joshua Kuruvilla, Anna Pick Kiong Ling
Neurological diseases and injuries to the nervous system may cause inadvertent damage to neuronal and synaptic structures. Such phenomenon would catastrophically accumulate, leading to the development of neurological and neurodegenerative disorders which might affect memory, cognition, and motoric functions. The body has various negative feedback systems which are able to induce beneficial neuroplastic changes in mediating some neuronal damage, however, such efforts are often not enough to ameliorate the derogatory changes...
April 18, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29667267/the-cerebellum-after-trauma-resting-state-functional-connectivity-of-the-cerebellum-in-posttraumatic-stress-disorder-and-its-dissociative-subtype
#2
Daniela Rabellino, Maria Densmore, Jean Théberge, Margaret C McKinnon, Ruth A Lanius
The cerebellum plays a key role not only in motor function but also in affect and cognition. Although several psychopathological disorders have been associated with overall cerebellar dysfunction, it remains unclear whether different regions of the cerebellum contribute uniquely to psychopathology. Accordingly, we compared seed-based resting-state functional connectivity of the anterior cerebellum (lobule IV-V), of the posterior cerebellum (Crus I), and of the anterior vermis across posttraumatic stress disorder (PTSD; n = 65), its dissociative subtype (PTSD + DS; n = 37), and non-trauma-exposed healthy controls (HC; n = 47)...
April 17, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29666277/disparate-binding-kinetics-by-an-intrinsically-disordered-domain-enables-temporal-regulation-of-transcriptional-complex-formation
#3
Neil O Robertson, Ngaio C Smith, Athina Manakas, Mahiar Mahjoub, Gordon McDonald, Ann H Kwan, Jacqueline M Matthews
Intrinsically disordered regions are highly represented among mammalian transcription factors, where they often contribute to the formation of multiprotein complexes that regulate gene expression. An example of this occurs with LIM-homeodomain (LIM-HD) proteins in the developing spinal cord. The LIM-HD protein LHX3 and the LIM-HD cofactor LDB1 form a binary complex that gives rise to interneurons, whereas in adjacent cell populations, LHX3 and LDB1 form a rearranged ternary complex with the LIM-HD protein ISL1, resulting in motor neurons...
April 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29665080/clustering-of-motor-and-nonmotor-traits-in-leucine-rich-repeat-kinase-2-g2019s-parkinson-s-disease-nonparkinsonian-relatives-a-multicenter-family-study
#4
Tiago A Mestre, Claustre Pont-Sunyer, Farah Kausar, Naomi P Visanji, Taneera Ghate, Barbara S Connolly, Carmen Gasca-Salas, Drew S Kern, Jennifer Jain, Elizabeth J Slow, Achinoam Faust-Socher, Meike Kasten, Pettarusp M Wadia, Cindy Zadikoff, Prakash Kumar, Ronald M de Bie, Teri Thomsen, Anthony E Lang, Birgitt Schüle, Christine Klein, Eduardo Tolosa, Connie Marras
OBJECTIVES: The objective of this study was to determine phenotypic features that differentiate nonparkinsonian first-degree relatives of PD leucine-rich repeat kinase 2 (LRRK2) G2019S multiplex families, regardless of carrier status, from healthy controls because nonparkinsonian individuals in multiplex families seem to share a propensity to present neurological features. METHODS: We included nonparkinsonian first-degree relatives of LRRK2 G2019S familial PD cases and unrelated healthy controls participating in established multiplex family LRRK2 cohorts...
April 17, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29664049/increased-serum-cystatin-c-in-early-parkinson-s-disease-with-objective-sleep-disturbances
#5
Kang-Ping Xiong, Yong-Ping Dai, Jing Chen, Jin-Min Xu, Yi Wang, Ping Feng, Shou-Jiang You, Chun-Feng Liu
Background: Sleep disturbance is one of the major non-motor symptoms which cause the disability of Parkinson's disease (PD) patients. Cystatin C (CysC) is a more sensitive biomarker than serum creatinine or estimated glomerular filtration rate. Previous studies have reported altered CysC levels in neurodegenerative disorders and sleep disorders. This study aimed to explore the correlations of serum CysC levels and objective sleep disturbances in early PD. Methods: We recruited 106 early PD patients and 146 age- and sex-matched controls...
April 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29663410/the-negotiated-equilibrium-model-of-spinal-cord-function
#6
Jonathan R Wolpaw
The belief that the spinal cord is hardwired is no longer tenable. Like the rest of the CNS, the spinal cord changes during growth and aging, when new motor behaviours are acquired, and in response to trauma and disease. This paper describes a new model of spinal cord function that reconciles its recently appreciated plasticity with its long recognized reliability as the final common pathway for behaviour. According to this model, the substrate of each motor behaviour comprises brain and spinal plasticity: the plasticity in the brain induces and maintains the plasticity in the spinal cord...
April 16, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29661966/pallidal-deep-brain-stimulation-disrupts-pallidal-beta-oscillations-and-coherence-with-primary-motor-cortex-in-parkinson-s-disease
#7
Doris D Wang, Coralie de Hemptinne, Svjetlana Miocinovic, Jill L Ostrem, Nicholas B Galifianakis, Marta San Luciano, Philip A Starr
In Parkinson's disease (PD), subthalamic nucleus beta band oscillations are decreased by therapeutic deep brain stimulation (DBS) and this has been proposed as important to the mechanism of therapy. The globus pallidus is a common alternative target for PD with similar motor benefits as subthalamic DBS, but effects of pallidal stimulation in PD are not well studied, and effects of pallidal DBS on cortical function in PD are unknown. Here, in 20 PD and 14 isolated dystonia human patients of both genders undergoing pallidal DBS lead implantation, we recorded local field potentials (LFPs) from the globus pallidus and in a subset of these, recorded simultaneous sensorimotor cortex electrocorticography (ECoG) potentials...
April 16, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29661920/dhtkd1-deficiency-causes-charcot-marie-tooth-disease-in-mice
#8
Wang-Yang Xu, Houbao Zhu, Yan Shen, Ying-Han Wan, Xiao-Die Tu, Wen-Ting Wu, Lingyun Tang, Hong-Xin Zhang, Shun-Yuan Lu, Xiao-Long Jin, Jian Fei, Zhu-Gang Wang
DHTKD1, a part of 2-ketoadipic acid dehydrogenase complex, is involved in lysine and tryptophan catabolism. Mutations in DHTKD1 block the metabolic pathway and cause 2-aminoadipic and 2-oxoadipic aciduria (AMOXAD), an autosomal recessive inborn metabolic disorder. In addition, a nonsense mutation in DHTKD1 we identified previously causes Charcot-Marie-Tooth disease (CMT) type 2Q, one of the most common inherited neurological disorders affecting the peripheral nerves in the musculature. However, the comprehensive molecular mechanism underlying CMT2Q remains elusive...
April 16, 2018: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29661102/essential-tremor-more-than-a-motor-disorder
#9
Robert D Shura, Robin A Hurley, Katherine H Taber
No abstract text is available yet for this article.
2018: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/29660513/white-matter-functional-networks-changes-in-patients-with-schizophrenia
#10
REVIEW
Yuchao Jiang, Cheng Luo, Xuan Li, Yingjia Li, Hang Yang, Jianfu Li, Xin Chang, Hechun Li, Huanghao Yang, Jijun Wang, Mingjun Duan, Dezhong Yao
Resting-state functional MRI (rsfMRI) is a useful technique for investigating the functional organization of human gray-matter in neuroscience and neuropsychiatry. Nevertheless, most studies have demonstrated the functional connectivity and/or task-related functional activity in the gray-matter. White-matter functional networks have been investigated in healthy subjects. Schizophrenia has been hypothesized to be a brain disorder involving insufficient or ineffective communication associated with white-matter abnormalities...
April 13, 2018: NeuroImage
https://www.readbyqxmd.com/read/29659809/a-new-mouse-model-of-arx-dup24-recapitulates-the-patients-behavioural-and-fine-motor-alterations
#11
Aline Dubos, Hamid Meziane, Giovanni Iacono, Aurore Curie, Fabrice Riet, Christelle Martin, Nadège Loaëc, Marie-Christine Birling, Mohammed Selloum, Elisabeth Normand, Guillaume Pavlovic, Tania Sorg, Henk G Stunnenberg, Jamel Chelly, Yann Humeau, Gaëlle Friocourt, Yann Hérault
The Aristaless-related homeobox (ARX) transcription factor is involved in the development of GABAergic and cholinergic neurons in the forebrain. ARX mutations have been associated with a wide spectrum of neurodevelopmental disorders in humans, among which the most frequent, a 24bp duplication in the polyalanine tract 2 (c.428_451dup24), gives rise to intellectual disability, fine motor defects with or without epilepsy. To understand the functional consequences of this mutation, we generated a partially humanized mouse model carrying the c...
April 5, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29659312/anatomical-distribution-of-musculoskeletal-disorders-following-a-road-traffic-collision-in-litigants-presenting-to-physiotherapists-within-a-private-clinic-in-north-east-england
#12
Jennifer Sewell, Cheryl Dixon, Rosie Morris, Samuel Stuart
INTRODUCTION: Musculoskeletal disorders (MSDs) are common following a road traffic collision (RTC) in England. Establishing the anatomical distribution of MSDs following RTC that present to physiotherapists may improve understanding and clinical practice. This study examined anatomical distribution of MSDs that present to physiotherapists within a litigant population following a RTC in England. METHODS: A retrospective review of physiotherapy records was conducted at a private practice in North-East England...
April 16, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29658840/neuropharmacological-and-molecular-docking-studies-of-xanthones-from-swertia-corymbosa
#13
Ganesan Mahendran, Ramachandran Vijayan
Anxiety represents a public health problem consistently found to be the most prevalent class of mental disorders among people of all ages. Xanthones possess many biological properties, including neuroprotective, antioxidant or antidepressant-like. In this study, we aimed to investigate anxiolytic-like antidepressant and anticonvulsant properties of isolated xanthones from Swertia corymbosa. We evaluated anxiolytic-like activity of compounds 1-3 in the mouse elevated plus maze (EPM) and open field test (OF)...
April 2018: Journal of Receptor and Signal Transduction Research
https://www.readbyqxmd.com/read/29658531/preliminary-assessment-of-vibration-impacts-generated-by-the-public-transport-systems-on-pregnant-women-based-on-subjective-reactions
#14
Magdalena Kromka-Szydek, Zygmunt Dziechciowski, Paulina Tyrpin
PURPOSE: Research efforts summarised in this study were a part of preliminary investigation to evaluate the impact of pregnant women's exposure to vibrations generated by public transport system when using. METHODS: The assessment of the problem and discomfort for pregnant women, caused by the public transportation is based on a questionnaire including questions relating to the women's subjective feelings on well-being or discomfort when exposed to vibration during the ride in passenger cars or when using means of public transport...
2018: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29658509/-experimental-approaches-to-the-investigation-of-behavioral-disorders-associated-with-prenatal-alcohol-exposure
#15
E V Razumkina, P K Anokhin, T V Proskuryakova, I Yu Shamakina
Fetal alcohol spectrum disorders (FASD) is an umbrella term which covers a wide range of deficits in prenatal and postnatal growth, anatomy and CNS functions produced by prenatal alcohol exposure. The most severe form of FASD is fetal alcohol syndrome (FAS) characterized by additional specific craniofacial and brain malformations. Despite a high prevalence and extensive clinical studies, the fundamental mechanisms of FASD are still poorly understood. Thereby, experimental models, which allow better control for both socio-environmental and genetic factors, are critical to our understanding of FASD...
2018: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29657957/the-effect-of-deep-brain-stimulation-therapy-on-fear-related-capture-of-attention-in-parkinson-s-disease-and-essential-tremor-a-comparison-to-healthy-individuals
#16
Corrie R Camalier, Maureen McHugo, David H Zald, Joseph S Neimat
In addition to motor symptoms, Parkinson's disease (PD) involves significant non-motor sequelae, including disruptions in cognitive and emotional processing. Fear recognition appears to be affected both by the course of the disease and by a common interventional therapy, deep brain stimulation of the subthalamic nucleus (STN-DBS). Here, we examined if these effects extend to other aspects of emotional processing, such as attentional capture by negative emotional stimuli. Performance on an emotional attentional blink (EAB) paradigm, a common paradigm used to study emotional capture of attention, was examined in a cohort of individuals with PD, both on and off STN-DBS therapy (n=20)...
2018: Journal of Neurological Disorders
https://www.readbyqxmd.com/read/29657083/the-course-of-awake-breathing-disturbances-across-the-lifespan-in-rett-syndrome
#17
Daniel C Tarquinio, Wei Hou, Jeffrey L Neul, Gamze Kilic Berkmen, Jana Drummond, Elizabeth Aronoff, Jennifer Harris, Jane B Lane, Walter E Kaufmann, Kathleen J Motil, Daniel G Glaze, Steven A Skinner, Alan K Percy
Rett syndrome (RTT), an X-linked dominant neurodevelopmental disorder caused by mutations in MECP2, is associated with a peculiar breathing disturbance exclusively during wakefulness that is distressing, and can even prompt emergency resuscitation. Through the RTT Natural History Study, we characterized cross sectional and longitudinal characteristics of awake breathing abnormalities in RTT and identified associated clinical features. Participants were recruited from 2006 to 2015, and cumulative lifetime prevalence of breathing dysfunction was determined using the Kaplan-Meier estimator...
April 12, 2018: Brain & Development
https://www.readbyqxmd.com/read/29656928/benign-paroxysmal-migraine-variants-of-infancy-and-childhood-transitions-and-clinical-features
#18
Jacob Brodsky, Karampreet Kaur, Talia Shoshany, Sophie Lipson, Guangwei Zhou
INTRODUCTION: Migraine variant disorders of childhood include benign paroxysmal torticollis of infancy (BPTI) and benign paroxysmal vertigo of childhood (BPVC). This study aimed to review our experience with BPTI and BPVC and determine the incidence of children transitioning between each of these disorders and to vestibular migraine (VM). METHODS: We retrospectively reviewed the medical records of patients seen at the Balance and Vestibular Program at Boston Children's Hospital between January 2012 and December 2016 who were diagnosed with BPTI, BPVC, and/or VM...
March 30, 2018: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29656860/truncating-variants-in-naa15-are-associated-with-variable-levels-of-intellectual-disability-autism-spectrum-disorder-and-congenital-anomalies
#19
Hanyin Cheng, Avinash V Dharmadhikari, Sylvia Varland, Ning Ma, Deepti Domingo, Robert Kleyner, Alan F Rope, Margaret Yoon, Asbjørg Stray-Pedersen, Jennifer E Posey, Sarah R Crews, Mohammad K Eldomery, Zeynep Coban Akdemir, Andrea M Lewis, Vernon R Sutton, Jill A Rosenfeld, Erin Conboy, Katherine Agre, Fan Xia, Magdalena Walkiewicz, Mauro Longoni, Frances A High, Marjon A van Slegtenhorst, Grazia M S Mancini, Candice R Finnila, Arie van Haeringen, Nicolette den Hollander, Claudia Ruivenkamp, Sakkubai Naidu, Sonal Mahida, Elizabeth E Palmer, Lucinda Murray, Derek Lim, Parul Jayakar, Michael J Parker, Stefania Giusto, Emanuela Stracuzzi, Corrado Romano, Jennifer S Beighley, Raphael A Bernier, Sébastien Küry, Mathilde Nizon, Mark A Corbett, Marie Shaw, Alison Gardner, Christopher Barnett, Ruth Armstrong, Karin S Kassahn, Anke Van Dijck, Geert Vandeweyer, Tjitske Kleefstra, Jolanda Schieving, Marjolijn J Jongmans, Bert B A de Vries, Rolph Pfundt, Bronwyn Kerr, Samantha K Rojas, Kym M Boycott, Richard Person, Rebecca Willaert, Evan E Eichler, R Frank Kooy, Yaping Yang, Joseph C Wu, James R Lupski, Thomas Arnesen, Gregory M Cooper, Wendy K Chung, Jozef Gecz, Holly A F Stessman, Linyan Meng, Gholson J Lyon
N-alpha-acetylation is a common co-translational protein modification that is essential for normal cell function in humans. We previously identified the genetic basis of an X-linked infantile lethal Mendelian disorder involving a c.109T>C (p.Ser37Pro) missense variant in NAA10, which encodes the catalytic subunit of the N-terminal acetyltransferase A (NatA) complex. The auxiliary subunit of the NatA complex, NAA15, is the dimeric binding partner for NAA10. Through a genotype-first approach with whole-exome or genome sequencing (WES/WGS) and targeted sequencing analysis, we identified and phenotypically characterized 38 individuals from 33 unrelated families with 25 different de novo or inherited, dominantly acting likely gene disrupting (LGD) variants in NAA15...
April 9, 2018: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29656343/lateralisation-in-parkinson-disease
#20
REVIEW
P Riederer, K A Jellinger, P Kolber, G Hipp, J Sian-Hülsmann, R Krüger
Asymmetry of dopaminergic neurodegeneration and subsequent lateralisation of motor symptoms are distinctive features of Parkinson's disease compared to other forms of neurodegenerative or symptomatic parkinsonism. Even 200 years after the first description of the disease, the underlying causes for this striking clinicopathological feature are not yet fully understood. There is increasing evidence that lateralisation of disease is due to a complex interplay of hereditary and environmental factors that are reflected not only in the concept of dominant hemispheres and handedness but also in specific susceptibilities of neuronal subpopulations within the substantia nigra...
April 14, 2018: Cell and Tissue Research
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