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https://www.readbyqxmd.com/read/28214564/downregulation-of-gna13-erk-network-in-prefrontal-cortex-of-schizophrenia-brain-identified-by-combined-focused-and-targeted-quantitative-proteomics
#1
Mio Hirayama-Kurogi, Yohei Takizawa, Yasuto Kunii, Junya Matsumoto, Akira Wada, Mizuki Hino, Hiroyasu Akatsu, Yoshio Hashizume, Sakon Yamamoto, Takeshi Kondo, Shingo Ito, Masanori Tachikawa, Shin-Ichi Niwa, Hirooki Yabe, Tetsuya Terasaki, Mitsutoshi Setou, Sumio Ohtsuki
: Schizophrenia is a disabling mental illness associated with dysfunction of the prefrontal cortex, which affects cognition and emotion. The purpose of the present study was to identify altered molecular networks in the prefrontal cortex of schizophrenia patients by comparing protein expression levels in autopsied brains of patients and controls, using a combination of targeted and focused quantitative proteomics. We selected 125 molecules possibly related to schizophrenia for quantification by knowledge-based targeted proteomics...
February 15, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28213293/relations-between-personality-changes-and-cerebrospinal-fluid-biomarkers-of-alzheimer-s-disease-pathology
#2
D Tautvydaitė, J P Antonietti, H Henry, A von Gunten, J Popp
Specific changes in personality profiles may represent early non-cognitive symptoms of Alzheimer's disease (AD). Evaluating the subject's personality changes may add significant clinical information, as well as help to better understand the interaction between personality change, cognitive decline, and cerebral pathology. With this study we aimed to describe the relationship between personality changes and cerebrospinal fluid (CSF) markers of AD pathology at early clinical stages of the disease. One hundred and ten subjects, of whom 66 cognitively impaired patients (57 with mild cognitive impairment (MCI), and 9 with mild dementia) and 44 healthy controls, had neuropsychological examination as well as lumbar puncture to determine concentrations of CSF biomarkers of AD pathology (amyloid beta1-42 (Aβ1-42), phosphorylated tau (ptau-181), and total-tau (tau))...
February 4, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28213192/trans-frontal-sinus-subcranial-approach-to-olfactory-groove-meningiomas-surgical-results-clinical-and-functional-outcome-in-a-consecutive-series-of-21-patients
#3
Lina Raffaella Barzaghi, Alfio Spina, Filippo Gagliardi, Nicola Boari, Pietro Mortini
BACKGROUND: The trans-frontal-sinus-subcranial approach (TFSSA) allows for direct exposure and removal of olfactory groove meningiomas (OGMs), without any brain retraction. Compared to other skull base approaches (like fronto-orbito-basal, transbasal, subcranial, fronto-orbito-zygomatic and one-and-half approach), it could offer the same advantages but it is less invasive. OBJECT: We report the results in a series of 21 consecutive patients harboring OGMs and operated through TFSSA, in order to propose a viable alternative approach...
February 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28213119/the-heterogeneity-of-the-left-dorsal-premotor-cortex-evidenced-by-multimodal-connectivity-based-parcellation-and-functional-characterization
#4
Sarah Genon, Andrew Reid, Hai Li, Lingzhong Fan, Veronika I Müller, Edna C Cieslik, Felix Hoffstaedter, Robert Langner, Christian Grefkes, Angela R Laird, Peter T Fox, Tianzi Jiang, Katrin Amunts, Simon B Eickhoff
Despite the common conception of the dorsal premotor cortex (PMd) as a single brain region, its diverse connectivity profiles and behavioral heterogeneity argue for a differentiated organization of the PMd. A previous study revealed that the right PMd is characterized by a rostro-caudal and a ventro-dorsal distinction dividing it into five subregions: rostral, central, caudal, ventral and dorsal. The present study assessed whether a similar organization is present in the left hemisphere, by capitalizing on a multimodal data-driven approach combining connectivity-based parcellation (CBP) based on meta-analytic modeling, resting-state functional connectivity, and probabilistic diffusion tractography...
February 14, 2017: NeuroImage
https://www.readbyqxmd.com/read/28212519/early-calibration-of-the-hpa-axis-by-maternal-psychopathology
#5
Heidemarie Laurent
Given the central role of stress-responsive neurophysiology in mental and physical health, it is important to understand how particular patterns of stress responsivity may become entrained by the early caregiving environment. In this study we investigated links between maternal depression and anxiety symptom profiles and within-infant development of hypothalamic-pituitary-adrenal (HPA) axis responses from 6 to 18 months of life. Associations with infant cognitive and social-emotional development were also tested to gauge the adjustment implications of HPA response trajectories...
February 1, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28212408/prevalence-and-associated-comorbidities-of-restless-legs-syndrome-rls-data-from-a-large-population-based-door-to-door-survey-on-19176-adults-in-tehran-iran
#6
Seyed-Mohammad Fereshtehnejad, Arash Rahmani, Mahdiyeh Shafieesabet, Mahshid Soori, Ahmad Delbari, Mohammad Reza Motamed, Johan Lökk
BACKGROUND: Discrepancies have been reported in the prevalence rate of restless legs syndrome (RLS) among different ethnic groups and geographic populations. Furthermore, there are disagreements on determinant factors and associated comorbidities of RLS. We aimed to estimate prevalence of RLS and investigate its associated comorbid conditions and risk factors in a large population-based door-to-door survey. METHODS: Following a multistage random sampling from the households lived in 22 urban districts of Tehran, Iran, 19176 participants with ≥30 years of age were recruited...
2017: PloS One
https://www.readbyqxmd.com/read/28210541/a-t1-and-dti-fused-3d-corpus-callosum-analysis-in-mci-subjects-with-high-and-low-cardiovascular-risk-profile
#7
Yi Lao, Binh Nguyen, Sinchai Tsao, Niharika Gajawelli, Meng Law, Helena Chui, Michael Weiner, Yalin Wang, Natasha Leporé
Understanding the extent to which vascular disease and its risk factors are associated with prodromal dementia, notably Alzheimer's disease (AD), may enhance predictive accuracy as well as guide early interventions. One promising avenue to determine this relationship consists of looking for reliable and sensitive in-vivo imaging methods capable of characterizing the subtle brain alterations before the clinical manifestations. However, little is known from the imaging perspective about how risk factors such as vascular disease influence AD progression...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28208078/the-characteristic-of-cognitive-dysfunction-in-remitted-late-life-depression-and-amnestic-mild-cognitive-impairment
#8
Wenxiang Liao, Xiangrong Zhang, Hao Shu, Zan Wang, Duan Liu, ZhiJun Zhang
Remitted late life depression exhibits persistent cognitive impairments and enhances the risk of dementia. This study aimed to examine the characteristics of cognitive dysfunction in remitted late life depression and amnestic mild cognitive impairment (MCI). Remitted late life depression (n=61), amnestic MCI (n=61) and age-education-matched controls (n=65) were evaluated with a battery of neuropsychological tests grouped into executive function, memory, processing speed, attention and visuospatial domains. Compared with control subjects, amnestic MCI individuals showed more severe cognitive impairments in all domains, while remitted late life depression individuals performed worse in executive function and memory...
January 12, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28206781/cognitive-control-and-associated-neural-correlates-in-adults-with-spina-bifida-myelomeningocele
#9
Ashley L Ware, Paulina A Kulesz, Jenifer Juranek, Paul T Cirino, Jack M Fletcher
OBJECTIVE: Accelerated aging can occur in adult survivors of neurodevelopmental disorders, but has been narrowly studied in spina bifida myelomeningocele (SBM). Since discrete aspects of cognitive control and related neural network macrostructure deteriorate in normal aging, the specificity and trajectory of cognition and neuropathology incurred across adulthood in SBM were examined. METHOD: Adults (N = 120) with and without SBM completed working memory span and manipulation tasks, and an inhibitory control task...
February 16, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28204906/differential-brain-cognitive-and-motor-profiles-associated-with-partial-trisomy-modeling-down-syndrome-in-mice
#10
Pierre L Roubertoux, Nathalie Baril, Pierre Cau, Christophe Scajola, Adeline Ghata, Catherine Bartoli, Patrice Bourgeois, Julie di Christofaro, Sylvie Tordjman, Michèle Carlier
We hypothesize that the trisomy 21 (Down syndrome) is the additive and interactive outcome of the triple copy of different regions of HSA21. Because of the small number of patients with partial trisomy 21, we addressed the question in the Mouse in which three chromosomal regions located on MMU10, MMU17 and MMU16 carries almost all the HSA21 homologs. Male mice from four segmental trisomic strains covering the D21S17-ETS2 (syntenic to MMU16) were examined with an exhaustive battery of cognitive tests, motor tasks and MRI and compared with TS65Dn that encompasses D21S17-ETS2...
February 15, 2017: Behavior Genetics
https://www.readbyqxmd.com/read/28203692/neuropsychological-profiles-of-vascular-disease-and-risk-of-dementia-implications-for-defining-vascular-cognitive-impairment-no-dementia-vci-nd
#11
Blossom Christa Maree Stephan, Thais Minett, Graciela Muniz-Terrera, Stephanie L Harrison, Fiona E Matthews, Carol Brayne
No abstract text is available yet for this article.
February 14, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28203484/lw-afc-effects-on-n-glycan-profile-in-senescence-accelerated-mouse-prone-8-strain-a-mouse-model-of-alzheimer-s-disease
#12
Jianhui Wang, Xiaorui Cheng, Ju Zeng, Jiangbei Yuan, Zhongfu Wang, Wenxia Zhou, Yongxiang Zhang
Glycosylation is one of the most common eukaryotic post-translational modifications, and aberrant glycosylation has been linked to many diseases. However, glycosylation and glycome analysis is a significantly challenging task. Although several lines of evidence have indicated that protein glycosylation is defective in Alzheimer's disease (AD), only a few studies have focused on AD glycomics. The etiology of AD is unclear and there are no effective disease-modifying treatments for AD. In this study, we found that the object recognition memory, passive avoidance, and spatial learning and memory of senescence-accelerated mouse prone 8 (SAMP8) strain, an AD animal model, were deficient, and LW-AFC, which was prepared from the traditional Chinese medicine prescription Liuwei Dihuang decoction, showed beneficial effects on the deterioration of cognitive capability in SAMP8 mice...
February 2017: Aging and Disease
https://www.readbyqxmd.com/read/28203479/metformin-impairs-spatial-memory-and-visual-acuity-in-old-male-mice
#13
Nopporn Thangthaeng, Margaret Rutledge, Jessica M Wong, Philip H Vann, Michael J Forster, Nathalie Sumien
Metformin is an oral anti-diabetic used as first-line therapy for type 2 diabetes. Because benefits of metformin extend beyond diabetes to other age-related pathology, and because its effect on gene expression profiles resembles that of caloric restriction, metformin has a potential as an anti-aging intervention and may soon be assessed as an intervention to extend healthspan. However, beneficial actions of metformin in the central nervous system have not been clearly established. The current study examined the effect of chronic oral metformin treatment on motor and cognitive function when initiated in young, middle-aged, or old male mice...
February 2017: Aging and Disease
https://www.readbyqxmd.com/read/28203150/relationship-between-self-administered-cues-and-rehabilitation-outcomes-in-individuals-with-aphasia-understanding-individual-responsiveness-to-a-technology-based-rehabilitation-program
#14
Carrie A Des Roches, Annette Mitko, Swathi Kiran
An advantage of rehabilitation administered on computers or tablets is that the tasks can be self-administered and the cueing required to complete the tasks can be monitored. Though there are many types of cueing, few studies have examined how participants' response to rehabilitation is influenced by self-administered cueing, which is cueing that is always available but the individual decides when and which cue to administer. In this study, participants received a tablet-based rehabilitation where the tasks were selfpaced and remotely monitored by a clinician...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28198751/the-role-of-agonistic-striving-in-the-association-between-cortisol-and-high-blood-pressure
#15
Craig K Ewart, Gavin J Elder, Randall S Jorgensen, Sheila T Fitzgerald
OBJECTIVES: A social action theory of chronic stress proposes that agonistic striving (seeking to influence or control others) impairs cardiovascular health by magnifying the impact of high adversity-induced cortisol levels on blood pressure. We tested three predictions of social action theory: (1) the social action theory taxonomy of regulatory strivings characterizes young adults from high-adversity neighborhoods; (2) high cortisol levels predict high blood pressure more reliably in the subgroup with the agonistic striving profile than in subgroups with other profiles; (3) the association of higher cortisol and higher blood pressure with agonistic striving is not explained by negative affect (depressive symptoms/dysphoria, anger, hostility)...
November 3, 2016: Psychosomatic Medicine
https://www.readbyqxmd.com/read/28198067/verbal-spatial-iq-discrepancies-impact-brain-activation-associated-with-the-resolution-of-cognitive-conflict-in-children-and-adolescents
#16
Amy E Margolis, Katie S Davis, Lisa S Pao, Amy Lewis, Xiao Yang, Gregory Tau, Guihu Zhao, Zhishun Wang, Rachel Marsh
Verbal-spatial discrepancies are common in healthy individuals and in those with neurodevelopmental disorders associated with cognitive control deficits including: Autism Spectrum Disorder, Non-Verbal Learning Disability, Fragile X, 22q11 deletion, and Turner Syndrome. Previous data from healthy individuals suggest that the magnitude of the difference between verbal IQ (VIQ) and performance IQ (PIQ) scores (the VIQ>PIQ discrepancy) is associated with reduced thickness in frontal and parietal cortices (inferior frontal, anterior cingulate, inferior parietal lobule, and supramarginal gyrus) that support cognitive control...
February 15, 2017: Developmental Science
https://www.readbyqxmd.com/read/28197718/adaptation-of-the-osteoarthritis-specific-quality-of-life-scale-the-oaqol-for-use-in-germany-hungary-italy-spain-and-turkey
#17
Jeanette Wilburn, Stephen P McKenna, Şehim Kutlay, Tamas Bender, Jürgen Braun, Concepcion Castillo-Gallego, Marta Favero, Pal Geher, Uta Kiltz, Emilio Martin-Mola, Roberta Ramonda, Matthew Rouse, Alan Tennant, Ayşe A Küçükdeveci
The Osteoarthritis Quality of Life scale (OAQoL) is specific to individuals with osteoarthritis. The present study describes the adaptation of the OAQoL for use in the following five European languages: German, Hungarian, Italian, Spanish and Turkish. The study involved three stages in each language; translation, cognitive debriefing (face and content validity) and validation. The validation stage assessed internal consistency (Cronbach's alpha), reproducibility (test-retest reliability using Spearman's rank correlations), convergent and divergent validity (correlations with the Health Assessment Questionnaire, The Western Ontario and McMaster Universities Index of osteoarthritis and Nottingham Health Profile) and known group validity...
February 15, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28197358/biocomplexity-and-fractality-in-the-search-of-biomarkers-of-aging-and-pathology-focus-on-mitochondrial-dna-and-alzheimer-s-disease
#18
Annamaria Zaia, Pierluigi Maponi, Giuseppina Di Stefano, Tiziana Casoli
Alzheimer's disease (AD) represents one major health concern for our growing elderly population. It accounts for increasing impairment of cognitive capacity followed by loss of executive function in late stage. AD pathogenesis is multifaceted and difficult to pinpoint, and understanding AD etiology will be critical to effectively diagnose and treat the disease. An interesting hypothesis concerning AD development postulates a cause-effect relationship between accumulation of mitochondrial DNA (mtDNA) mutations and neurodegenerative changes associated with this pathology...
February 2017: Aging and Disease
https://www.readbyqxmd.com/read/28197124/profiles-of-social-emotional-readiness-for-4-year-old-kindergarten
#19
Michele M Miller, H Hill Goldsmith
Children who are viewed as ready for kindergarten and/or first grade typically exhibit high attention, approach, and adaptability coupled with low activity and reactivity. These characteristics tend to be especially valued by teachers and describe a child who is "teachable," or school ready. Since many children enter formal schooling earlier by attending pre-K for 4-year olds, often called 4-year-old kindergarten, there is a need to examine school readiness earlier than kindergarten, which may look very different developmentally...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28196430/first-in-human-trial-of-a-type-i-positive-allosteric-modulator-of-alpha7-nicotinic-acetylcholine-receptors-pharmacokinetics-safety-and-evidence-for-neurocognitive-effect-of-avl-3288
#20
Kelvin W Gee, Ann Olincy, Richard Kanner, Lynn Johnson, Derk Hogenkamp, Josette Harris, Minhtam Tran, Stephen A Edmonds, William Sauer, Ryan Yoshimura, Timothy Johnstone, Robert Freedman
Type I positive allosteric modulators (PAMs) of the alpha7-nicotinic receptor enhance its cholinergic activation while preserving the spatiotemporal features of synaptic transmission and the receptor's characteristic rapid desensitization kinetics. Alpha7-nicotinic receptor agonists have shown promise for improving cognition in schizophrenia, but longer-term trials have been disappointing. Therefore, the type I PAM AVL-3288 was evaluated for safety and preliminary evidence of neurocognitive effect in healthy human subjects...
February 1, 2017: Journal of Psychopharmacology
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