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https://www.readbyqxmd.com/read/29458117/agomelatine-s-effect-on-circadian-locomotor-rhythm-alteration-and-depressive-like-behavior-in-6-ohda-lesioned-rats
#1
Leonardo C Souza, Bruno J Martynhak, Taysa B Bassani, Joelle de M Turnes, Meira M Machado, Eric Moura, Roberto Andreatini, Maria A B F Vital
Parkinson's disease (PD) patients often suffer from circadian locomotor rhythms impairment and depression, important non-motor symptoms. It is known that toxin-based animal models of PD can reproduce these features. In a 6-hydroxydopamine (6-OHDA) intranigral model, we first investigated the possible disturbances on circadian rhythms of locomotor activity. The rats were divided into 6-OHDA and Sham groups. After a partial dopaminergic lesion, the 6-OHDA group showed slight alterations in different circadian locomotor rhythms parameters...
February 16, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29456046/the-spectrum-of-off-in-parkinson-s-disease-what-have-we-learned-over-40-years
#2
REVIEW
Kelvin L Chou, Mark Stacy, Tanya Simuni, Janis Miyasaki, Wolfgang H Oertel, Kapil Sethi, Hubert H Fernandez, Fabrizio Stocchi
The terms "on" and "off" were used by Marsden and his contemporaries over 40 years ago to describe times when Parkinson's disease patients experienced good motor function ("on") and immobility ("off"). Yet there remains no published consensus definition of "off", leading clinicians and patients to develop individualized impressions of "off" determinations. In this paper, we first discuss the evolution of the terminology and understanding of "off" states since Marsden's time, which now include non-motor as well as motor symptoms...
February 2, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29454826/diagnosis-follow-up-and-management-of-sleep-disordered-breathing-in-children-with-osteogenesis-imperfecta
#3
Antoine Léotard, Jessica Taytard, Marion Aouate, Michèle Boule, Veronique Forin, Pauline Lallemant-Dudek
OBJECTIVES: Osteogenesis imperfecta (OI) is the most common genetic skeletal disorder. Extraskeletal findings are common but an association with sleep disordered breathing (SDB) has never been described. The aim of this study was to investigate clinical features of children with OI and suspected SDB. METHODS: A retrospective study of clinical records, signs of SDB and polysomnographic recordings of children with OI was performed. We paid particular attention to symptoms that could be associated with SDB in this population - scoliosis, kyphosis, vertebral arthrodesis, chest wall deformities, basilar impression, autonomy - as well as data already known to be associated with obstructive sleep apnea such as body mass index and upper airway impairment...
February 15, 2018: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29453960/synaptic-dysfunction-and-altered-excitability-in-c9orf72-als-ftd
#4
Alexander Starr, Rita Sattler
Amyotrophic lateral sclerosis (ALS) is characterized by a progressive degeneration of upper and lower motor neurons, resulting in fatal paralysis due to denervation of the muscle. Due to genetic, pathological and symptomatic overlap, ALS is now considered a spectrum disease together with frontotemporal dementia (FTD), the second most common cause of dementia in individuals under the age of 65. Interestingly, in both diseases, there is a large prevalence of RNA binding proteins (RBPs) that are mutated and considered disease-causing, or whose dysfunction contribute to disease pathogenesis...
February 14, 2018: Brain Research
https://www.readbyqxmd.com/read/29450651/who-will-remain-tremor-dominant-the-possible-role-of-cognitive-reserve-in-the-time-course-of-two-common-parkinson-s-disease-motor-subtypes
#5
Talia Herman, S Shema-Shiratzky, L Arie, N Giladi, J M Hausdorff
In a prospective 5-year study among Parkinson's disease (PD) tremor-dominant (TD) patients, we investigated who will remain TD and who will later convert into the postural instability gait difficulty (PIGD) phenotype. At follow-up, 38% were still considered TD. At baseline the TD non-convertors had more years of education and better cognitive function than the convertors and significantly smaller deterioration in gait, balance, cognitive function and other non-motor symptoms. These results highlight the potential role of cognition in protecting against the development of PIGD symptoms...
February 15, 2018: Journal of Neural Transmission
https://www.readbyqxmd.com/read/29449185/association-of-coffee-consumption-and-non-motor-symptoms-in-drug-na%C3%A3-ve-early-stage-parkinson-s-disease
#6
Bang-Hoon Cho, Seong-Min Choi, Joon-Tae Kim, Byeong C Kim
OBJECTIVE: Coffee consumption has an inverse association with the risk of Parkinson's disease (PD). The aim of this study was to investigate the association between coffee consumption and non-motor symptoms (NMSs) in patients with PD. METHODS: In this cross-sectional study, we included 196 early-stage, treatment-naïve PD patients. Coffee consumption history was obtained via semi-structured interviews. NMSs were assessed using the Non-Motor Symptom assessment scale (NMSS)...
February 9, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29449184/relation-of-overactive-bladder-with-motor-symptoms-and-dopamine-transporter-imaging-in-drug-na%C3%A3-ve-parkinson-s-disease
#7
Yasunori Mito, Ichiro Yabe, Hiroaki Yaguchi, Toshiki Takei, Satoshi Terae, Yasutaka Tajima
OBJECTIVES: The aim of the present study was to determine the relation of urinary dysfunction with motor symptoms and nigrostriatal neuron loss in drug-naïve patients with Parkinson's disease (PD). We therefore examined the relation of overactive bladder (OAB) symptoms with motor symptoms and striatal dopamine transporter (DAT) binding measured by [123-Iodine]-fluoropropyl-2beta-carbomethoxy-3beta-(4-iodophenylnortropane) dopamine transporter single-photon emission computed tomography (123 I-FP-CIT SPECT)...
February 9, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29449183/altered-resting-state-voxel-level-whole-brain-functional-connectivity-in-depressed-parkinson-s-disease
#8
Hansheng Wang, Huiyue Chen, Jiahui Wu, Li Tao, Ya Pang, Min Gu, Fajin Lv, Tianyou Luo, Oumei Cheng, Ke Sheng, Jin Luo, Yida Hu, Weidong Fang
BACKGROUND: Depression is one of the most common non-motor symptoms in Parkinson's disease (PD), but its pathogenesis is still not very clear. Recently, degree centrality, a voxel-level whole-brain functional connectivity (FC) analysis of resting-state functional magnetic resonance imaging, has provided the most promising way to explore the neural network mechanisms underlying depressed PD. METHODS: Degree centrality, voxel-wise image and clinical symptoms correlation and secondary seed-based FC analyses were performed in twenty-seven drug-naïve, early stage depressed PD patients, 27 non-depressed PD patients and 27 healthy controls (HCs) to reveal voxel-level whole-brain FC changes in depressed PD...
February 9, 2018: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29449121/sleep-disorders-and-parkinson-disease-lessons-from-genetics
#9
REVIEW
Ziv Gan-Or, Roy N Alcalay, Guy A Rouleau, Ronald B Postuma
Parkinson disease is a common, age-related neurodegenerative disorder, projected to afflict millions of individuals in the near future. Understanding its etiology and identifying clinical, genetic or biological markers for Parkinson disease onset and progression is therefore of major importance. Various sleep-related disorders are the most common group of non-motor symptoms in advanced Parkinson disease, but they can also occur during its prodromal phase. However, with the exception of REM sleep behavior disorder, it is unclear whether they are part of the early pathological process of Parkinson disease, or if they develop as Parkinson disease advances because of treatments and neurodegeneration progression...
January 31, 2018: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/29447582/clinical-characteristics-and-quality-of-life-in-chinese-patients-with-parkinson-s-disease-beyond-20-years
#10
Ruwei Ou, Yanbing Hou, Wei Song, Qianqian Wei, Yongping Chen, Bei Cao, Xiaoqin Yuan, Huifang Shang
Background The number of Parkinson's disease (PD) patients with disease duration of more than 20 years (long disease duration PD, LPD) is on the rise. Objectives This study aims to describe the clinical profiles and the quality of life (QoL) of LPD patients from a cohort of the Chinese population. Methods We compared 71 LPD subjects to 60 PD patients who died less than 20 years after the onset of PD (control PD, CPD). A regression model was constructed to assess the determinants for 20 years survival and the QoL of LPD patients...
February 15, 2018: Neurological Research
https://www.readbyqxmd.com/read/29445532/sleep-disordered-breathing-in-motor-neurone-disease
#11
REVIEW
Rebecca F D'Cruz, Patrick B Murphy, Georgios Kaltsakas
Motor neurone disease (MND) is a neurodegenerative disease defined by axonal loss and gliosis of upper and lower motor neurones in the motor cortex, lower brainstem nuclei and ventral horn of the spinal cord. MND is currently incurable and has a poor prognosis, with death typically occurring 3 to 5 years after disease onset. The disease is characterised by rapidly progressive weakness leading to paralysis, fasciculations, bulbar symptoms (including dysarthria and dysphagia) and respiratory compromise. Respiratory complications arise as a result of weakness of upper airway (pharyngeal and laryngeal) muscles and respiratory muscles (diaphragm, intercostal and accessory muscles) leading to respiratory failure...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29445122/deep-phenotyping-of-speech-and-language-skills-in-individuals-with-16p11-2-deletion
#12
Cristina Mei, Evelina Fedorenko, David J Amor, Amber Boys, Caitlyn Hoeflin, Peter Carew, Trent Burgess, Simon E Fisher, Angela T Morgan
Recurrent deletions of a ~600-kb region of 16p11.2 have been associated with a highly penetrant form of childhood apraxia of speech (CAS). Yet prior findings have been based on a small, potentially biased sample using retrospectively collected data. We examine the prevalence of CAS in a larger cohort of individuals with 16p11.2 deletion using a prospectively designed assessment battery. The broader speech and language phenotype associated with carrying this deletion was also examined. 55 participants with 16p11...
February 14, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29442234/microstructural-changes-in-patients-with-parkinson-disease-and-rem-sleep-behavior-disorder-depressive-symptoms-versus-non-depressed
#13
Farzaneh Ghazi Sherbaf, Farzaneh Rahmani, Sommayeh Mohammadi Jooyandeh, Mohammad Hadi Aarabi
Search for Parkinson's disease (PD) progression biomarkers has led to the identification of both motor and non-motor symptoms relevant of prodromal PD that could be eye-opening to the spreading underlying Lewy body pathogenesis. One most robust predictor of PD is the REM sleep behavior disorder (RBD), and one most common early non-motor symptom of PD is depression. With RBD, frequently coexisting with clinical depression and both predicting dopamine transmission dysfunction, we aimed to survey structural associates of depressive symptoms in early PD patients with comorbid RBD...
February 13, 2018: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/29442177/effectiveness-of-rotigotine-plus-intensive-and-goal-based-rehabilitation-versus-rotigotine-alone-in-de-novo-parkinsonian-subjects-a-randomized-controlled-trial-with-18-month-follow-up
#14
D Ferrazzoli, P Ortelli, G Riboldazzi, R Maestri, G Frazzitta
BACKGROUND: Dopamine Replacement Therapy (DRT) represents the most effective treatment for Parkinson's disease (PD). Nevertheless, several symptoms are unresponsive to treatment and its long-term use leads to serious side effects. To optimize the pharmacological management of PD, dopamine-agonists are often prescribed to "de-novo" patients. Moreover, several studies have shown the effectiveness and the synergic effect of rehabilitation in treating PD. OBJECTIVE: To evaluate the synergism between DRT and rehabilitation in treating PD, by investigating the short and the long-term effectiveness of a multidisciplinary, intensive and goal-based rehabilitation treatment (MIRT) in a group of patients treated with Rotigotine...
February 13, 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29438910/is-there-a-generalized-timing-impairment-in-autism-spectrum-disorders-across-time-scales-and-paradigms
#15
Sofia Isaksson, Susanna Salomäki, Jarno Tuominen, Valtteri Arstila, Christine M Falter-Wagner, Valdas Noreika
Individuals with ASD have abnormal motor and perceptual functions that do not currently form diagnostic criteria of ASD, but nevertheless may affect everyday behaviour. Temporal processing seems to be one of such non-diagnostic yet impaired domains, although the lack of systematic studies testing different aspects of timing in the same sample of participants prevents a conclusive assessment of whether there is a generalized temporal deficit in ASD associated with diagnostic symptoms. 17 children diagnosed with ASD and 18 typically developing age- and IQ-matched controls carried out a set of motor and perceptual timing tasks: free tapping, simultaneity judgment, auditory duration discrimination, and verbal duration estimation...
February 10, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29435648/interleukin-6-and-complement-serum-level-study-in-parkinson-s-disease
#16
Branislav Veselý, Michal Dufek, Vojtech Thon, Miroslav Brozman, Silvia Királová, Tatiana Halászová, Eva Koriťáková, Ivan Rektor
The objective of this study is to assess whether elevation of serum inflammatory markers levels may indicate the progression of clinical impairment in Parkinson's disease (PD) patients. In 47 PD patients, the serum levels of the C3 and C4 part of the complement and Interleukin-6 (IL-6) were measured. The results at baseline and after 2 years were correlated with scales measuring memory, depression, motor symptoms, and quality of life. Patients with higher levels of C3 and C4 at baseline had decreased quality of life, verbal ability, and memory...
February 12, 2018: Journal of Neural Transmission
https://www.readbyqxmd.com/read/29434179/sma-diagnosis-detection-of-smn1-deletion-with-real-time-mcop-pcr-system-using-fresh-blood-dna
#17
Emma Tabe Eko Niba, Mawaddah Ar Rochmah, Nur Imma Fatimah Harahap, Hiroyuki Awano, Ichiro Morioka, Kazumoto Iijima, Toshio Saito, Kayoko Saito, Atsuko Takeuchi, Poh San Lai, Yoshihiro Bouike, Hisahide Nishio, Masakazu Shinohara
BACKGROUND: Spinal muscular atrophy (SMA) is one of the most common autosomal recessive disorders. The symptoms are caused by defects of lower motor neurons in the spinal cord. More than 95% of SMA patients are homozygous for survival motor neuron 1 (SMN1) deletion. We previously developed a screening system for SMN1 deletion based on a modified competitive oligonucleotide priming-PCR (mCOP-PCR) technique using dried blood spot (DBS) on filter paper. This system is convenient for mass screening in the large population and/or first-tier diagnostic method of the patients in the remote areas...
December 18, 2017: Kobe Journal of Medical Sciences
https://www.readbyqxmd.com/read/29432106/a-feasibility-study-of-autism-behavioral-markers-in-spontaneous-facial-visual-and-hand-movement-response-data
#18
Manar D Samad, Norou Diawara, Jonna L Bobzien, John W Harrington, Megan A Witherow, Khan M Iftekharuddin
Autism spectrum disorder (ASD) is a neurodevelopmental disability with atypical traits in behavioral and physiological responses. These atypical traits in individuals with ASD may be too subtle and subjective to measure visually using tedious methods of scoring. Alternatively, the use of intrusive sensors in the measurement of psychophysical responses in individuals with ASD may likely cause inhibition and bias. This paper proposes a novel experimental protocol for non-intrusive sensing and analysis of facial expression, visual scanning, and eye-hand coordination to investigate behavioral markers for ASD...
February 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29431270/modelling-the-dopamine-and-noradrenergic-cell-loss-that-occurs-in-parkinson-s-disease-and-the-impact-on-hippocampal-neurogenesis
#19
Charlotte M Ermine, Jordan L Wright, Stefano Frausin, Jessica A Kauhausen, Clare L Parish, Davor Stanic, Lachlan H Thompson
Key pathological features of Parkinson's Disease (PD) include the progressive degeneration of midbrain dopaminergic (DA) neurons and hindbrain noradrenergic (NA) neurons. The loss of dopaminergic neurons has been extensively studied and is the main cause of motor dysfunction. Importantly, however, there are a range of 'non-movement' related features of PD including cognitive dysfunction, sleep disturbances and mood disorders. The origins for these non-motor symptoms are less clear, but a possible substrate for cognitive decline may be reduced adult-hippocampal neurogenesis, which is reported to be impaired in PD...
February 12, 2018: Hippocampus
https://www.readbyqxmd.com/read/29429788/novel-sgce-mutation-in-a-patient-with-myoclonus-dystonia-syndrome-diagnostic-delay-of-more-than-40%C3%A2-years
#20
Dorothee Kübler, Friederike Borngräber, Katja Lohmann, Andrea A Kühn
We present a case of myoclonus-dystonia syndrome illustrated by three videos in which we found a novel SGCE mutation. As the patient described here was suffering from predominant psychiatric comorbidities it took more than 40 years from the first manifestation of the disease until the diagnosis. Having detected the genetically proven cause for his motor and non-motor symptoms was an enormous relief to our patient. We want to share this instructive case in order to prompt neurologists and psychiatrists to look closely at both movement disorders and neuropsychiatric signs in order to diagnose and treat patients to the latest standard...
February 8, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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