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https://www.readbyqxmd.com/read/28548937/nac1-promotes-self-renewal-of-embryonic-stem-cells-through-direct-transcriptional-regulation-of-c-myc
#1
Yan Ruan, Jianrong He, Wei Wu, Ping He, Yanping Tian, Lan Xiao, Gaoke Liu, Jiali Wang, Yuda Cheng, Shuo Zhang, Yi Yang, Jiaxiang Xiong, Ke Zhao, Ying Wan, He Huang, Junlei Zhang, Rui Jian
The pluripotency transcriptional network in embryonic stem cells (ESCs) is composed of distinct functional units including the core and Myc units. It is hoped that dissection of the cellular functions and interconnections of network factors will aid our understanding of ESC and cancer biology. Proteomic and genomic approaches have identified Nac1 as a member of the core pluripotency network. However, previous studies have predominantly focused on the role of Nac1 in psychomotor stimulant response and cancer pathogenesis...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548872/seasonal-and-time-of-day-variations-in-acute-non-image-forming-effects-of-illuminance-level-on-performance-physiology-and-subjective-well-being
#2
L M Huiberts, K C H J Smolders, Y A W De Kort
This study investigated seasonal and time-of-day dependent moderations in the strength and direction of acute diurnal non-image forming (NIF) effects of illuminance level on performance, physiology, and subjective well-being. Even though there are indications for temporal variations in NIF-responsiveness to bright light, scientific insights into potential moderations by season are scarce. We employed a 2 (Light: 165 versus 1700 lx at the eye level, within) × 2 (Season: autumn/winter versus spring, between) × 2 (Time of day: morning versus afternoon, between) mixed-model design...
May 26, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28547531/neonatal-hyperoxia-perturbs-neuronal-development-in-the-cerebellum
#3
Till Scheuer, Yuliya Sharkovska, Victor Tarabykin, Katharina Marggraf, Vivien Brockmöller, Christoph Bührer, Stefanie Endesfelder, Thomas Schmitz
Impaired postnatal brain development of preterm infants often results in neurological deficits. Besides pathologies of the forebrain, maldeveolopment of the cerebellum is increasingly recognized to contribute to psychomotor impairments of many former preterm infants. However, causes are poorly defined. We used a hyperoxia model to define neonatal damage in cerebellar granule cell precursors (GCPs) and in Purkinje cells (PCs) known to be essential for interaction with GCPs during development. We exposed newborn rats to 24 h 80% O2 from age P6 to P7 to identify postnatal and long-term damage in cerebellar GCPs at age P7 after hyperoxia and also after recovery in room air thereafter until P11 and P30...
May 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28544992/pharmacokinetics-pharmacodynamics-and-tolerability-of-usl261-midazolam-nasal-spray-randomized-study-in-healthy-geriatric-and-non-geriatric-adults
#4
Alexander K Berg, Michael J Myrvik, Peter J Van Ess
AIM: Characterize pharmacokinetics, pharmacodynamics, and safety/tolerability of USL261 in geriatric adults to inform its potential for treating bouts of increased seizure activity. METHODS: Phase 1, randomized, double-blind, 2-way crossover study in healthy geriatric (≥65years; n=18) and non-geriatric (18-40years; n=12) adults evaluated single USL261 doses (2.5 and 5.0mg) administered intranasally. Pharmacokinetic parameters were estimated for midazolam and 1-hydroxymidazolam (active metabolite), including area under the plasma concentration-time curve (AUC), maximum plasma concentration (Cmax), time to Cmax (Tmax), and half-life (t1/2)...
May 22, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28544134/depression-and-cognitive-impairment-among-newly-admitted-nursing-home-residents-in-the-usa
#5
Christine M Ulbricht, Anthony J Rothschild, Jacob N Hunnicutt, Kate L Lapane
OBJECTIVE: The objective of this study is to describe the prevalence of depression and cognitive impairment among newly admitted nursing home residents in the USA and to describe the treatment of depression by level of cognitive impairment. METHODS: We identified 1,088,619 newly admitted older residents between 2011 and 2013 with an active diagnosis of depression documented on the Minimum Data Set 3.0. The prevalence of receiving psychiatric treatment was estimated by cognitive impairment status and depression symptoms...
May 23, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28543994/cognitive-enhancing-effects-of-rtms-administered-to-the-prefrontal-cortex-in-patients-with-depression-a-systematic-review-and-meta-analysis-of-individual-task-effects
#6
REVIEW
Donel M Martin, Shawn M McClintock, Jane J Forster, Tin Yan Lo, Colleen K Loo
BACKGROUND: Repetitive transcranial magnetic stimulation (rTMS) is an approved therapeutic treatment of major depressive disorder and has increasing clinical use throughout the world. However, it remains unclear whether an rTMS course for depression may also produce cognitive enhancement. In a recent meta-analysis of sham-controlled randomized controlled studies (RCTs) conducted in patients with neuropsychiatric conditions, no evidence was found for generalized cognitive enhancing effects across cognitive domains with active compared to sham rTMS...
May 24, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28540927/regional-differences-in-striatal-neuronal-ensemble-excitability-following-cocaine-and-extinction-memory-retrieval-in-fos-gfp-mice
#7
Joseph Ziminski, Meike C Sieburg, Gabriella Margetts-Smith, Hans S Crombag, Eisuke Koya
Learned associations between drugs of abuse and the drug administration environment play an important role in addiction. In rodents, exposure to a drug-associated environment elicits conditioned psychomotor activation, which may be weakened following extinction learning. While widespread drug-induced changes in neuronal excitability have been observed, little is known about specific changes within neuronal ensembles activated during the recall of drug-environment associations. Using a cocaine conditioned locomotion procedure, the present study assessed the excitability of neuronal ensembles in the nucleus accumbens core and shell (NAc(core) and NAc(shell)), and dorsal striatum (DS) following cocaine conditioning and extinction in Fos-GFP mice that express green fluorescent protein (GFP) in activated neurons (GFP+)...
May 25, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28539949/screening-for-depressive-disorder-in-elderly-patients-with-chronic-physical-diseases-using-the-patient-health-questionnaire-9
#8
Seon-Cheol Park, Hwa-Young Lee, Dong-Woo Lee, Sang-Woo Hahn, Sang-Ho Park, Yeo Ju Kim, Jae Sung Choi, Ho-Sung Lee, Soyoung Irene Lee, Kyoung-Sae Na, Sung Won Jung, Se-Hoon Shim, Ki Won Kim, Jong-Woo Paik, Young-Joon Kwon
OBJECTIVE: We aimed to identify depressive symptom profiles that indicated the presence of depressive disorder and present optimal cut-off sub-scores for depressive symptom profiles for detecting depressive disorder in elderly subjects with chronic physical diseases including diabetes, chronic obstructive pulmonary disease/asthma, and coronary artery disease, using the Patient Health Questionnaire-9 (PHQ-9). METHODS: Two hundred and thirty-one elderly patients with chronic physical diseases were recruited consecutively from a university-affiliated general hospital in South Korea...
May 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28538323/the-effect-of-a-psychomotor-education-program-on-the-static-balance-of-children-with-intellectual-disability
#9
Eleni G Fotiadou, Konstantina H Neofotistou, Paraskevi F Giagazoglou, Vasilios K Tsimaras
Fotiadou, EG, Neofotistou, KH, Giagazoglou, PF, and Tsimaras, VK. The effect of a psychomotor education program on the static balance of children with intellectual disability. J Strength Cond Res 31(6): 1702-1708, 2017-Children with intellectual disability (ID) demonstrate lower balance ability which results in substantial delays in motor growth and limits their function level. Psychomotor education comprises a holistic movement approach, with the aim to improve all aspects of each child personality. The aim of this study was to assess the effect of a psychomotor education program on static balance of school-aged children with ID...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28538042/counterbalanced-comparison-of-the-bsid-ii-and-bayley-iii-at-eighteen-to-twenty-two-months-corrected-age
#10
Meghan Sharp, Sara B DeMauro
OBJECTIVE: To evaluate differences in developmental assessments using the current version of the Bayley Scales of Infant Development (Bayley-III) as compared to the older BSID-II. Previous studies suggest that average scores on the Bayley-III may be significantly higher than scores on the previous version, but the magnitude and potential impact of differences between these 2 assessments are uncertain. METHODS: We enrolled 77 former preterm infants (born <32 wk gestation and ≤2000 g) at 18 to 22 months corrected age in this randomized crossover study...
May 19, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28537582/thyroid-homeostasis-in-mother-child-pairs-in-relation-to-maternal-iodine-status-the-misa-study
#11
V Berg, T H Nøst, G Skeie, Y Thomassen, B Berlinger, A S Veyhe, R Jorde, J Ø Odland, S Hansen
BACKGROUND/OBJECTIVES: Iodine deficiency during pregnancy may influence maternal and foetal thyroid function with the risk of causing neurocognitive and psychomotor deficits in the offspring. The objective of this study was to assess iodine status in pregnant women from Northern Norway and to investigate the influence of iodine status on maternal and infant thyroid function. SUBJECTS/METHODS: Women from the Northern Norway Mother-and-Child contaminant Cohort Study (MISA) donated a blood and urine sample at three visits during their pregnancy and postpartum period (in second trimester, 3 days and 6 weeks after delivery...
May 24, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28528187/anticonvulsant-activity-of-pseudospondias-microcarpa-a-rich-engl-hydroethanolic-leaf-extract-in-mice-the-role-of-excitatory-inhibitory-neurotransmission-and-nitric-oxide-pathway
#12
Donatus W Adongo, Priscilla K Mante, Kennedy K E Kukuia, Robert P Biney, Eric Boakye-Gyasi, Charles K Benneh, Elvis O Ameyaw, Eric Woode
ETHNOPHARMACOLOGICAL RELEVANCE: Pseudospondias microcarpa (A. Rich) Engl. is a plant used for managing various diseases including central nervous system disorders. AIM OF THE STUDY: This study explored the anticonvulsant activity of P. microcarpa hydroethanolic leaf extract (PME) as well as possible mechanism(s) of action in animal models. METHODS: Effects of PME was assessed in electroconvulsive (the maximal electroshock and 6-Hz seizures) and chemoconvulsive (pentylenetetrazole-, picrotoxin-, isoniazid-, 4-aminopyridine-, and strychnine-induced seizures) models of epilepsy...
May 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28527230/imaging-and-neuropsychological-correlates-of-white-matter-lesions-in-different-subtypes-of-mild-cognitive-impairment-a-systematic-review
#13
Charlene L M Lam, Jenny Yiend, Tatia M C Lee
BACKGROUND: White matter lesions (WML) are prevalent in older adults. The association between WML and cognition in different subtypes of Mild Cognitive Impairment (MCI) is inconsistent in the literature. OBJECTVES: We aim to provide a systematic review on the impact of WML in different subtypes of MCI, and discuss the recent findings on white matter plasticity. METHODS: We reviewed peer-reviewed articles from January 2011 to August 2016 and identified 12 studies investigating the association between WML and subtypes of MCI with both neuroimaging and cognitive measures...
May 13, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28526666/a-smart-toy-to-enhance-the-decision-making-process-at-children-s-psychomotor-delay-screenings-a-pilot-study
#14
María Angeles Gutiérrez García, María Luisa Martín Ruiz, Diego Rivera, Laura Vadillo, Miguel Angel Valero Duboy
BACKGROUND: EDUCERE ("Ubiquitous Detection Ecosystem to Care and Early Stimulation for Children with Developmental Disorders") is an ecosystem for ubiquitous detection, care, and early stimulation of children with developmental disorders. The objectives of this Spanish government-funded research and development project are to investigate, develop, and evaluate innovative solutions to detect changes in psychomotor development through the natural interaction of children with toys and everyday objects, and perform stimulation and early attention activities in real environments such as home and school...
May 19, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28526555/modeling-psychomotor-retardation-using-ipscs-from-mct8-deficient-patients-indicates-a-prominent-role-for-the-blood-brain-barrier
#15
Gad D Vatine, Abraham Al-Ahmad, Bianca K Barriga, Soshana Svendsen, Ariel Salim, Leslie Garcia, Veronica J Garcia, Ritchie Ho, Nur Yucer, Tongcheng Qian, Ryan G Lim, Jie Wu, Leslie M Thompson, Weston R Spivia, Zhaohui Chen, Jennifer Van Eyk, Sean P Palecek, Samuel Refetoff, Eric V Shusta, Clive N Svendsen
Inactivating mutations in the thyroid hormone (TH) transporter Monocarboxylate transporter 8 (MCT8) cause severe psychomotor retardation in children. Animal models do not reflect the biology of the human disease. Using patient-specific induced pluripotent stem cells (iPSCs), we generated MCT8-deficient neural cells that showed normal TH-dependent neuronal properties and maturation. However, the blood-brain barrier (BBB) controls TH entry into the brain, and reduced TH availability to neural cells could instead underlie the diseased phenotype...
May 8, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28523540/rubinstein-taybi-syndrome-and-epigenetic-alterations
#16
Edward Korzus
Rubinstein-Taybi syndrome (RSTS) is a rare genetic disorder in humans characterized by growth and psychomotor delay, abnormal gross anatomy, and mild to severe mental retardation (Rubinstein and Taybi, Am J Dis Child 105:588-608, 1963, Hennekam et al., Am J Med Genet Suppl 6:56-64, 1990). RSTS is caused by de novo mutations in epigenetics-associated genes, including the cAMP response element-binding protein (CREBBP), the gene-encoding protein referred to as CBP, and the EP300 gene, which encodes the p300 protein, a CBP homologue...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28522313/neurotensin-in-the-nucleus-accumbens-reverses-dopamine-supersensitivity-evoked-by-antipsychotic-treatment
#17
Alice Servonnet, Ellie-Anna Minogianis, Claude Bouchard, Anne-Marie Bédard, Daniel Lévesque, Pierre-Paul Rompré, Anne-Noël Samaha
Long-term exposure to antipsychotics like haloperidol can increase sensitivity to dopamine agonist stimulation. This could contribute to treatment failure and increase relapse to psychosis. Chronic antipsychotic treatment elevates neurotensin levels in the nucleus accumbens (NAc), where the neuropeptide modulates dopamine function by signalling through NTS1 receptors. We hypothesized that increasing neurotensin activity in the NAc attenuates the expression of antipsychotic-induced dopamine supersensitivity, which is indicated by a potentiated psychomotor response to amphetamine...
May 15, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28521790/unintentional-drowning-role-of-medicinal-drugs-and-alcohol
#18
Tuulia Pajunen, Erkki Vuori, Frank F Vincenzi, Pirjo Lillsunde, Gordon Smith, Philippe Lunetta
BACKGROUND: Alcohol is a well-known risk factor in unintentional drownings. Whereas psychotropic drugs, like alcohol, may cause psychomotor impairment and affect cognition, no detailed studies have focused on their association with drowning. Finland provides extensive post-mortem toxicological data for studies on drowning because of its high medico-legal autopsy rates. METHODS: Drowning cases, 2000 through 2009, for which post-mortem toxicological analysis was performed, came from the database of the Toxicological Laboratory, Department of Forensic Medicine, University of Helsinki, using the ICD-10 nature-of-injury code T75...
May 19, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28521115/anticonvulsant-profile-of-the-neuroactive-steroid-sge-516-in-animal-models
#19
Rebecca S Hammond, Alison L Althaus, Michael A Ackley, Carla Maciag, Gabriel Martinez Botella, Francesco G Salituro, Albert J Robichaud, James J Doherty
Despite the availability of multiple antiepileptic drugs (AED), failure to adequately control seizures is a challenge for approximately one third of epilepsy patients, and new therapies with a differentiated mechanism of action are needed. The neuroactive steroid, SGE-516, is a positive allosteric modulator of both gamma- and delta-containing GABAA receptors. This broad GABAA receptor activity differentiates neuroactive steroids like SGE-516 from benzodiazepines, a class of anticonvulsants which have been shown in vitro to selectively target gamma-subunit containing GABAA receptors...
May 7, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28520585/the-role-of-simulation-and-warm-up-in-minimally-invasive-gynecologic-surgery
#20
Janelle K Moulder, Michelle Louie, Tarek Toubia, Lauren D Schiff, Matthew T Siedhoff
PURPOSE OF REVIEW: The purpose of the review is to update the reader on the current literature and recent studies evaluating the role of simulation and warm-up as part of surgical education and training, and maintenance of surgical skills. RECENT FINDINGS: Laparoscopic and hysteroscopic simulation may improve psychomotor skills, particularly for early-stage learners. However, data are mixed as to whether simulation education is directly transferable to surgical skill...
May 16, 2017: Current Opinion in Obstetrics & Gynecology
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