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https://www.readbyqxmd.com/read/29332071/clinical-presentation-and-prognosis-of-common-movement-disorders
#1
Jennifer Han, Samay Jain
Great progress has been made in expanding our understanding of the natural history of movement disorders, leading to impressive advancements in their medical and surgical management. Movement disorders are a diverse group of diseases, varying widely in clinical characteristics and evolution. Some are monosymptomatic while others have associated motor and nonmotor features. Some are static while others follow a progressive course. This chapter will review common primary and secondary movement disorders: Parkinson disease and other forms of Parkinsonism, essential tremor and its differential diagnoses, dystonia and tic disorders...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29331594/effects-of-physical-activity-on-the-symptoms-of-tourette-syndrome-a-systematic-review
#2
David D Kim, Darren E R Warburton, Nana Wu, Alasdair M Barr, William G Honer, Ric M Procyshyn
There is irrefutable evidence that routine physical activity or exercise can offer considerable health benefits to individuals living with various mental disorders. However, it is not clear what effect physical activity has on the symptoms of Tourette syndrome. Despite a paucity of evidence, physical activity or exercise has already been recommended by various health organizations for the management of tics. We provide a systematic review of the effects of physical activity or exercise on tic symptomology in individuals with Tourette syndrome...
December 8, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29329743/gaba-and-glutamate-in-children-with-tourette-syndrome-a-1h-mr-spectroscopy-study-at-7t
#3
E Mark Mahone, Nicolaas A Puts, Richard A E Edden, Matthew Ryan, Harvey S Singer
Tourette syndrome (TS) is characterized by presence of chronic, fluctuating motor and phonic tics. The underlying neurobiological basis for these movements is hypothesized to involve cortical-striatal-thalamo-cortical (CSTC) pathways. Two major neurotransmitters within these circuits are γ-aminobutyric acid (GABA) and glutamate. Seventy-five participants (32 with TS, 43 controls) ages 5-12 years completed 1H MRS at 7T. GABA and glutamate were measured in dorsolateral prefrontal cortex (DLPFC), ventromedial prefrontal cortex (VMPFC), premotor cortex (PMC), and striatum, and metabolites quantified using LCModel...
January 3, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29328024/endometrial-polyps-in-women-of-reproductive-age-clinical-and-pathogene-tic-variations
#4
N Kosei, N Zakharenko, D Herman
The aim of the study was to study the relationship between the morphofunctional characteristics of the endometrium, hormonal homeostasis and microbiocenosis of the reproductive system in patients with endometrial polyps. The study involved 130 patients aged 18-35 years: 34 patients with endometrial polyps, 30 patients with micropolyps, 36 patients with endometrial polyps and micropolyps, 30 healthy women of the control group. Hysteroscopy was performed for women who had been suspected for endometrial polyps and who had infertility or repeated recurrent miscarriages...
December 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29325623/tourette-disorder-and-other-tic-disorders
#5
Thomas V Fernandez, Matthew W State, Christopher Pittenger
Tourette disorder is a developmental neuropsychiatric condition characterized by vocal and motor tics that can range in severity from mild to disabling. It represents one end of a spectrum of tic disorders and is estimated to affect 0.5-0.7% of the population. Accumulated evidence supports a substantial genetic contribution to disease risk, but the identification of genetic variants that confer risk has been challenging. Positive findings in candidate gene association studies have not replicated, and genomewide association studies have not generated signals of genomewide significance, in large part because of inadequate sample sizes...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29325470/the-effect-of-shorter-exposure-versus-prolonged-exposure-on-treatment-outcome-in-tourette-syndrome-and-chronic-tic-disorders-an-open-trial
#6
Jolande M T M van de Griendt, Maarten K van Dijk, Cara W J Verdellen, Marc J P M Verbraak
BACKGROUND: Exposure and response prevention has shown to be an effective strategy and is considered a first-line intervention in the behavioural treatment of tic disorders. Prior research demonstrated significant tic reduction after 12 two hour sessions. OBJECTIVE: In this open trial, the question is addressed whether, relative to these prolonged sessions, exposure sessions of shorter duration yield differential outcome for patients with tic disorders. METHODS: A total of 29 patients diagnosed with Tourette syndrome (TS) or chronic tic disorder were treated with shorter exposure sessions (1 h), and these data were compared to the data from a study about prolonged exposure (2 h, n = 21)...
January 11, 2018: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/29317441/chronic-tic-disorders-in-children-with-adhd
#7
William Poh, Jonathan M Payne, Alisha Gulenc, Daryl Efron
OBJECTIVE: To examine in a community-based cohort: (1) the prevalence of chronic tic disorder (CTD) in children with attention-deficit/hyperactivity disorder (ADHD) compared with non-ADHD controls at ages 7 and 10; and (2) the additional psychiatric and functional burden of CTD in children with ADHD. METHODS: Children aged 6-8 years with ADHD (n=179) and controls (n=212) were recruited through 43 Victorian schools using parent and teacher screening surveys (Conners 3 ADHD Index), followed by case confirmation (Diagnostic Interview Schedule for Children-IV (DISC-IV))...
January 9, 2018: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29314714/behavioral-fragmentation-in-the-d1ct-7-mouse-model-of-tourette-s-syndrome
#8
Andrea Santangelo, Marco Bortolato, Laura J Mosher, Giuseppe Crescimanno, Giuseppe Di Giovanni, Emanuele Cassioli, Valdo Ricca, Maurizio Casarrubea
AIM: The transgenic D1CT-7 mouse is one of the best-characterized animal models of Tourette's syndrome (TS), exhibiting spontaneous tic-like Head-Body Twitches (HBT) and deficits in sensorimotor gating. This study is aimed at evaluating the behavioral dynamics of these mutants and their potential relevance to TS. METHODS: The behavior of D1CT-7 and Wild Type littermates was firstly assessed by considering frequencies and durations. To detect recurrent real-time behavioral sequences, the multivariate T-pattern analysis was employed...
January 3, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29307008/movement-disorders-in-mitochondrial-disease
#9
Roula Ghaoui, Carolyn M Sue
Mitochondrial disease presents with a wide spectrum of clinical manifestations that may appear at any age and cause multisystem dysfunction. A broad spectrum of movement disorders can manifest in mitochondrial diseases including ataxia, Parkinsonism, myoclonus, dystonia, choreoathetosis, spasticity, tremor, tic disorders and restless legs syndrome. There is marked heterogeneity of movement disorder phenotypes, even in patients with the same genetic mutation. Moreover, the advent of new technologies, such as next-generation sequencing, is likely to identify novel causative genes, expand the phenotype of known disease genes and improve the genetic diagnosis in these patients...
January 6, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29304272/botulinum-toxin-for-motor-and-phonic-tics-in-tourette-s-syndrome
#10
REVIEW
Sanjay Pandey, Prachaya Srivanitchapoom, Richard Kirubakaran, Brian D Berman
BACKGROUND: Gilles de la Tourette syndrome, or Tourette's syndrome, is defined as the presence of both motor and vocal (phonic) tics for more than 12 months, that manifest before the age of 18 years, in the absence of secondary causes. Treatment of motor and phonic tics is difficult and challenging. OBJECTIVES: To determine the safety and effectiveness of botulinum toxin in treating motor and phonic tics in people with Tourette's syndrome, and to analyse the effect of botulinum toxin on premonitory urge and sensory tics...
January 5, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29304001/microstructure-and-sliding-wear-behaviour-of-in-situ-tic-reinforced-composite-surface-layers-fabricated-on-ductile-cast-iron-by-laser-alloying
#11
Damian Janicki
TiC-reinforced composite surface layers (TRLs) on a ductile cast iron EN-GJS-700-2 grade (DCI) substrate were synthesized using a diode laser surface alloying with a direct injection of titanium powder into the molten pool. The experimental results were compared with thermodynamic calculations. The TRLs having a uniform distribution of the TiC particles and their fraction up to 15.4 vol % were achieved. With increasing titanium concentration in the molten pool, fractions of TiC and retained austenite increase and the shape of TiC particles changes from cubic to dendritic form...
January 5, 2018: Materials
https://www.readbyqxmd.com/read/29301792/therapy-educated-mesenchymal-stem-cells-enrich-for-tumor-initiating-cells
#12
Michael Timaner, Nitzan Letko-Khait, Ruslana Kotsofruk, Madeleine Benguigui, Ofrat Beyar-Katz, Chen Rachman-Tzemach, Ziv Raviv, Tomer Bronshtein, Marcelle Machluf, Yuval Shaked
Stromal cells residing in the tumor microenvironment contribute to the development of therapy resistance. Here we show that chemotherapy-educated mesenchymal stem cells (MSCs) promote therapy resistance via crosstalk with tumor-initiating cells (TICs), a resistant tumor cell subset that initiates tumorigenesis and metastasis. In response to gemcitabine chemotherapy, MSCs colonized pancreatic adenocarcinomas in large numbers and resided in close proximity to TICs. Furthermore, gemcitabine-educated MSCs promoted the enrichment of TICs in vitro and enhance tumor growth in vivo...
January 4, 2018: Cancer Research
https://www.readbyqxmd.com/read/29301218/effect-of-ceo%C3%A2-on-microstructure-and-wear-resistance-of-tic-bioinert-coatings-on-ti6al4v-alloy-by-laser-cladding
#13
Tao Chen, Defu Liu, Fan Wu, Haojun Wang
To solve the lack of wear resistance of titanium alloys for use in biological applications, various prepared coatings on titanium alloys are often used as wear-resistant materials. In this paper, TiC bioinert coatings were fabricated on Ti6Al4V by laser cladding using mixed TiC and ZrO₂ powders as the basic pre-placed materials. A certain amount of CeO₂ powder was also added to the pre-placed powders to further improve the properties of the TiC coatings. The effects of CeO₂ additive on the phase constituents, microstructures and wear resistance of the TiC coatings were researched in detail...
December 31, 2017: Materials
https://www.readbyqxmd.com/read/29299576/linking-invasive-motility-to-protein-expression-in-single-tumor-cells
#14
Jung-Ming G Lin, Chi-Chih Kang, Yun Zhou, Haiyan Huang, Amy E Herr, Sanjay Kumar
The invasion of malignant cells into tissue is a critical step in the progression of cancer. While it is increasingly appreciated that cells within a tumor differ in their invasive potential, it remains nearly unknown how these differences relate to cell-to-cell variations in protein expression. Here, we introduce a microfluidic platform that integrates measurements of invasive motility and protein expression for single cells, which we use to scrutinize human glioblastoma tumor-initiating cells (TICs). Our live-cell imaging microdevice is comprised of polyacrylamide microchannels that exhibit tissue-like stiffness and present chemokine gradients along each channel...
January 4, 2018: Lab on a Chip
https://www.readbyqxmd.com/read/29296212/small-sized-colorectal-cancer-cells-harbor-metastatic-tumor-initiating-cells
#15
Lei Mu, Kaiyu Huang, Yibing Hu, Chang Yan, Xiaolan Li, Deding Tao, Jianping Gong, Jichao Qin
Colorectal cancer (CRC) is heterogeneous and contains different-sized cells. Recent studies have shown that tumor-initiating cells (TICs) are involved in cancer initiation, recurrence and metastasis. However, connections between cancer cell size and stem-like properties are largely unknown. Here we purified large- and small-sized CRC cells by fluorescence-activated cell sorting (FACS) based on forward scatter (FSC), and demonstrated that small CRC cells possess higher holoclone- and sphere-forming capacity in vitro, tumor-initiating capacity in vivo and form more lung metastases compared with large CRC cells...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29295486/adaptive-deep-brain-stimulation-adbs-for-tourette-syndrome
#16
Sara Marceglia, Manuela Rosa, Domenico Servello, Mauro Porta, Sergio Barbieri, Elena Moro, Alberto Priori
Deep brain stimulation (DBS) has emerged as a novel therapy for the treatment of several movement and neuropsychiatric disorders, and may also be suitable for the treatment of Tourette syndrome (TS). The main DBS targets used to date in patients with TS are located within the basal ganglia-thalamo-cortical circuit involved in the pathophysiology of this syndrome. They include the ventralis oralis/centromedian-parafascicular (Vo/CM-Pf) nucleus of the thalamus and the nucleus accumbens. Current DBS treatments deliver continuous electrical stimulation and are not designed to adapt to the patient's symptoms, thereby contributing to unwanted side effects...
December 23, 2017: Brain Sciences
https://www.readbyqxmd.com/read/29287236/moderators-and-predictors-of-response-to-cognitive-behaviour-therapy-for-pediatric-obsessive-compulsive-disorder-a-systematic-review
#17
Cynthia Turner, Beth O'Gorman, Archana Nair, Richard O'Kearney
We report a systematic review of moderators of CBT efficacy for pediatric OCD relative to other treatments. CENTRAL, MEDLINE, EMBASE, CINAHL, and PsycINFO were searched for RCTs reporting on effect moderation for CBT outcomes. Five studies (N = 365) examined 17 variables with three significant moderators identified. Compared to pill-placebo, CBT monotherapy was not effective for children with a family history of OCD but was for those without a family history. For children with a family history, CBT plus sertraline efficacy was attenuated but remained significant...
December 20, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29282341/-tourette-syndrome-clinical-features-and-pathophysiology
#18
Yoshiko Nomura
Tourette syndrome (TS) is a neuropsychiatric disorder with the onset in childhood. TS is a form of tic disorders, and characterized by the motor and vocal tics, and comorbidities such as attention deficit hyperkinetic and obsessive compulsive disorders. These symptoms appear age dependently, showing a wax and wane course, and subside or abolish by the late teens. Pathophysiology of TS involves the dysfunction of both motor and non-motor basal ganglia-thalamo-cortical circuitries. The nigrostriatal dopamine (DA) system takes the exponential decrement at the striatum...
December 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29278288/tics-and-tourette-syndrome-surplus-of-actions-rather-than-disorder
#19
Christian Beste, Alexander Münchau
No abstract text is available yet for this article.
December 26, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29246305/induced-decay-of-glycine-decarboxylase-transcripts-as-an-anticancer-therapeutic-strategy-for-non-small-cell-lung-carcinoma
#20
Jing Lin, Jia Hui Jane Lee, Kathirvel Paramasivam, Elina Pathak, Zhenxun Wang, Zacharias Aloysius Dwi Pramono, Bing Lim, Keng Boon Wee, Uttam Surana
Self-renewing tumor-initiating cells (TICs) are thought to be responsible for tumor recurrence and chemo-resistance. Glycine decarboxylase, encoded by the GLDC gene, is reported to be overexpressed in TIC-enriched primary non-small-cell lung carcinoma (NSCLC). GLDC is a component of the mitochondrial glycine cleavage system, and its high expression is required for growth and tumorigenic capacity. Currently, there are no therapeutic agents against GLDC. As a therapeutic strategy, we have designed and tested splicing-modulating steric hindrance antisense oligonucleotides (shAONs) that efficiently induce exon skipping (half maximal inhibitory concentration [IC50] at 3...
December 15, 2017: Molecular Therapy. Nucleic Acids
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