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https://www.readbyqxmd.com/read/28445544/pressure-flaking-to-serrate-bifacial-points-for-the-hunt-during-the-mis5-at-sibudu-cave-south-africa
#1
Veerle Rots, Carol Lentfer, Viola C Schmid, Guillaume Porraz, Nicholas J Conard
Projectile technology is considered to appear early in the southern African Middle Stone Age (MSA) and the rich and high resolution MSA sequence of Sibudu Cave in KwaZulu-Natal has provided many new insights about the use and hafting of various projectile forms. We present the results of a functional and technological analysis on a series of unpublished serrated bifacial points recently recovered from the basal deposits of Sibudu Cave. These serrated tools, which only find equivalents in the neighbouring site of Umhlatuzana, precede the Still Bay techno-complex and are older than 77 ka BP...
2017: PloS One
https://www.readbyqxmd.com/read/28445491/how-people-used-ochre-at-rose-cottage-cave-south-africa-sixty-thousand-years-of-evidence-from-the-middle-stone-age
#2
Tammy Hodgskiss, Lyn Wadley
We describe colour, hardness, grain size, geological type and surface modifications of ochre pieces excavated, first by Malan and later by Harper, from the Middle Stone Age (MSA) of Rose Cottage Cave, 96, 000 to 30, 000 years ago. Soft, bright-red shales are abundant, and most ochre has clayey or silty grain sizes. The post-Howiesons Poort layers contain the most ochre pieces, but the Howiesons Poort layers have the highest frequency of ochre per sediment volume. The pre-Howiesons Poort layers have the highest utilization rate...
2017: PloS One
https://www.readbyqxmd.com/read/28444194/evolution-of-the-3r-myb-gene-family-in-plants
#3
Guanqiao Feng, J Gordon Burleigh, Edward L Braun, Wenbin Mei, W Brad Barbazuk
Plant 3R-MYB transcription factors are an important subgroup of the MYB super family in plants; however, their evolutionary history and functions remain poorly understood. We identified 225 3R-MYB proteins from 65 plant species, including algae and all major lineages of land plants. Two segmental duplication events preceding the common ancestor of angiosperms have given rise to three subgroups of the 3R-MYB proteins. Five conserved introns in the domain region of the 3R-MYB genes were identified, which arose through a step-wise pattern of intron gain during plant evolution...
April 20, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28440890/fluorescence-and-autoradiographic-evaluation-of-tau-pet-ligand-pbb3-to-%C3%AE-synuclein-pathology
#4
Shunsuke Koga, Maiko Ono, Naruhiko Sahara, Makoto Higuchi, Dennis W Dickson
BACKGROUND: The tau PET ligand 2-((1E,3E)-4-(6-([(11) C]methylamino)pyridin-3-yl)buta-1,3-dienyl)benzo[d]thiazol-6-ol ([(11) C]PBB3) binds to a wide range of tau pathology; however, binding property of PBB3 to non-tau inclusions remains unknown. To clarify whether [(11) C]PBB3 binds to α-synuclein pathology, reactivity of PBB3 was assessed by in vitro fluorescence and autoradiographic labeling of brain sections from α-synucleinopathies patients. METHOD: Of 10 pure Lewy body disease and 120 multiple system atrophy (MSA) cases in the Mayo Clinic brain bank, we selected 3 Lewy body disease and 4 MSA cases with a range of α-synuclein severity based on the quantitative analysis of α-synuclein burden...
April 25, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28438224/early-strong-intrathecal-inflammation-in-cerebellar-type-multiple-system-atrophy-by-cerebrospinal-fluid-cytokine-chemokine-profiles-a-case-control-study
#5
Ryo Yamasaki, Hiroo Yamaguchi, Takuya Matsushita, Takayuki Fujii, Akio Hiwatashi, Jun-Ichi Kira
BACKGROUND: The pathology of multiple system atrophy cerebellar-type (MSA-C) includes glial inflammation; however, cerebrospinal fluid (CSF) inflammatory cytokine profiles have not been investigated. In this study, we determined CSF cytokine/chemokine/growth factor profiles in MSA-C and compared them with those in hereditary spinocerebellar ataxia (SCA). METHODS: We collected clinical data and CSF from 20 MSA-C patients, 12 hereditary SCA patients, and 15 patients with other non-inflammatory neurological diseases (OND), and measured 27 cytokines/chemokines/growth factors using a multiplexed fluorescent bead-based immunoassay...
April 24, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28433328/role-of-non-traditional-locations-for-seasonal-flu-vaccination-empirical-evidence-and-evaluation
#6
Namhoon Kim, Travis P Mountain
This study investigated the role of non-traditional locations in the decision to vaccinate for seasonal flu. We measured individuals' preferred location for seasonal flu vaccination by examining the National H1N1 Flu Survey (NHFS) conducted from late 2009 to early 2010. Our econometric model estimated the probabilities of possible choices by varying individual characteristics, and predicted the way in which the probabilities are expected to change given the specific covariates of interest. From this estimation, we observed that non-traditional locations significantly influenced the vaccination of certain individuals, such as those who are high-income, educated, White, employed, and living in a metropolitan statistical area (MSA), by increasing the coverage...
April 19, 2017: Vaccine
https://www.readbyqxmd.com/read/28432997/serum-uric-acid-level-is-linked-to-the-disease-progression-rate-in-male-patients-with-multiple-system-atrophy
#7
Jiro Fukae, Shinsuke Fujioka, Shosaburo Yanamoto, Akio Mori, Takahiro Nomi, Taku Hatano, Kousuke Fukuhara, Shinji Ouma, Nobutaka Hattori, Yoshio Tsuboi
OBJECTIVES: Multiple system atrophy (MSA) is a progressive neurodegenerative disorder that may be caused in part by oxidative stress. Uric acid (UA) protects neurons in neurodegenerative disorders via antioxidative effects. The aim of this study was to investigate the relationship between the serum UA concentration and disease progression in MSA patients. PATIENTS AND METHODS: A total of 53 Japanese MSA patients were enrolled in this study. The disease progression rate was estimated by the rate of global disability scale change per year...
April 3, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28430779/a-coevolution-analysis-for-identifying-protein-protein-interactions-by-fourier-transform
#8
Changchuan Yin, Stephen S-T Yau
Protein-protein interactions (PPIs) play key roles in life processes, such as signal transduction, transcription regulations, and immune response, etc. Identification of PPIs enables better understanding of the functional networks within a cell. Common experimental methods for identifying PPIs are time consuming and expensive. However, recent developments in computational approaches for inferring PPIs from protein sequences based on coevolution theory avoid these problems. In the coevolution theory model, interacted proteins may show coevolutionary mutations and have similar phylogenetic trees...
2017: PloS One
https://www.readbyqxmd.com/read/28430242/thermally-stable-wleds-with-excellent-luminous-properties-by-screen-printing-a-patterned-phosphor-glass-layer-on-a-microstructured-glass-plate
#9
Yang Peng, Xing Guo, Ruixin Li, Hao Cheng, Mingxiang Chen
In order to improve the luminous properties and thermal reliability of white light-emitting diodes (WLEDs), we proposed a promising phosphor-in-glass (PiG) converter, which was prepared by screen-printing a patterned phosphor glass layer on a microstructured glass plate. The patterned layer achieves four-quadrant phosphor geometry based on separated yellow Y<sub>3</sub>Al<sub>5</sub>O<sub>12</sub>:Ce<sup>3+</sup> (YAG:Ce<sup>3+</sup>) and red CaAlSiN<sub>3</sub>:Eu<sup>2+</sup> (CASN:Eu<sup>2+</sup>) phosphor parts...
April 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28419682/game-theoretical-mapping-of-causal-interactions-underlying-visuo-spatial-attention-in-the-human-brain-based-on-stroke-lesions
#10
Monica N Toba, Melissa Zavaglia, Federica Rastelli, Romain Valabrégue, Pascale Pradat-Diehl, Antoni Valero-Cabré, Claus C Hilgetag
Anatomical studies conducted in neurological conditions have developed our understanding of the causal relationships between brain lesions and their clinical consequences. The analysis of lesion patterns extended across brain networks has been particularly useful in offering new insights on brain-behavior relationships. Here we applied multiperturbation Shapley value Analysis (MSA), a multivariate method based on coalitional game theory inferring causal regional contributions to specific behavioral outcomes from the characteristic functional deficits after stroke lesions...
April 17, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28419566/perirhinal-accumulation-of-neuronal-alpha-synuclein-in-a-multiple-system-atrophy-patient-with-dementia
#11
Mari Saito, Makoto Hara, Momoko Ebashi, Akihiko Morita, Kyoko Okada, Taku Homma, Masahiko Sugitani, Kentaro Endo, Toshiki Uchihara, Satoshi Kamei
We report the case of a 79-year-old Japanese woman who developed cerebellar ataxia followed by rigidity, dysautonomia and cognitive disorders, and was thus clinically diagnosed as having possible MSA with dementia. Neuropathological findings demonstrated not only olivopontocerebellar and striatonigral degeneration with frequent glial cytoplasmic inclusions (GCIs), but also degenerative changes in the parahippocampal region, accentuated in the anterior portion of perirhinal cortex, where neuronal cytoplasmic inclusions (NCIs) and NFTs were numerous while GCIs were limited...
April 16, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28417655/dimensionality-of-the-chinese-hospital-anxiety-depression-scale-in-psychiatric-outpatients-mokken-scale-and-factor-analyses
#12
Chin-Pang Lee, Ya-Hsin Chou, Chia-Yih Liu, Ching-I Hung
OBJECTIVE: The hospital anxiety and depression scale (HADS) is a widely used scale of anxiety and depression. However, recent studies have challenged the bi-dimensional scoring of the HADS. The present study was to examine the dimensionality of the Chinese HADS. METHODS: We recruited a convenience sample of 214 adult psychiatric outpatients at a medical centre in Taiwan, and they completed the Chinese HADS. We used Mokken scale analysis (MSA), exploratory factor analysis (EFA), exploratory bifactor analysis (EBA) and confirmatory factor analysis (CFA) to examine the dimensionality of the Chinese HADS...
April 18, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28407823/-application-of-humidified-high-flow-nasal-cannula-in-neonates-with-meconium-aspiration-syndrome-and-pulmonary-hypertension-after-extubation
#13
Xiao-Yan Gao, Lin Feng, Yu-Fen Qiu, Xin-Nian Pan
OBJECTIVE: To investigate the clinical value of humidified high-flow nasal cannula (HHFNC) as a respiratory support after extubation by comparing it with nasal continuous positive airway pressure (NCPAP) in neonates with meconium aspiration syndrome (MAS) and persistent pulmonary hypertension of the newborn (PPHN). METHODS: A total of 78 neonates with MAS and PPHN were randomly administered with HHFNC or NCPAP immediately after extubation. The following indices were compared between the two groups: blood gas parameters, duration of noninvasive ventilation, rate of extubation failure, and incidence of complications, such as nasal damage, abdominal distension, and intraventricular hemorrhage...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28395279/serum-lymphocyte-associated-cytokine-concentrations-change-more-rapidly-over-time-in-multiple-system-atrophy-compared-to-parkinson-disease
#14
Keri Csencsits-Smith, Jessika Suescun, Kan Li, Sheng Luo, Diane L Bick, Mya Schiess
OBJECTIVE: Chronic inflammatory processes contribute to the eventual death of motor neurons and the development of symptoms in both idiopathic Parkinson disease (PD) and multiple system atrophy (MSA). Given the faster rate of progression and more severe symptoms associated with MSA, we hypothesized that markers of inflammation would be more evident in the peripheral blood of MSA than PD patients, and that evidence of this inflammation might assist early diagnosis of MSA versus PD. METHODS: We performed multiplex analysis to determine the concentrations of 37 immune-associated cytokines and chemokines isolated from the plasma of patients with PD (n = 25) and MSA (n = 14) and compared our results to those of age-matched controls (n = 15)...
April 11, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28394027/changes-in-the-cell-population-in-brain-white-matter-in-multiple-system-atrophy
#15
Charlotte Havelund Nykjaer, Tomasz Brudek, Lisette Salvesen, Bente Pakkenberg
BACKGROUND: Multiple system atrophy (MSA) is a sporadic progressive neurodegenerative disorder with adult onset and unknown etiology. Clinically it is characterized by autonomic failure, cerebellar ataxia, parkinsonism, and corticospinal dysfunction in any combination and with varying severity. OBJECTIVES AND METHODS: To establish the extent of involvement of the white matter in the disease, we have used stereology to quantify the total number of neurons and glial cells (oligodendrocytes, astrocytes, and microglia) in the brains from 10 MSA patients and 11 controls...
April 10, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28390302/impacts-of-cold-weather-on-all-cause-and-cause-specific-mortality-in-texas-1990-2011
#16
Tsun-Hsuan Chen, Xiao Li, Jing Zhao, Kai Zhang
Cold weather was estimated to account for more than half of weather-related deaths in the U.S. during 2006-2010. Studies have shown that cold-related excessive mortality is especially relevant with decreasing latitude or in regions with mild winter. However, only limited studies have been conducted in the southern U.S. The purpose of our study is to examine impacts of cold weather on mortality in 12 major Texas Metropolitan Areas (MSAs) for the 22-year period, 1990-2011. Our study used a two-stage approach to examine the cold-mortality association...
April 5, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28384859/evaluation-of-hiaureus-tm-coagulase-confirmation-kit-in-identification-of-staphylococcus-aureus
#17
Arunagiri Subramanian, Vidushi K Chitalia, Kushminda Bangera, Shashikant P Vaidya, Rajas Warke, Abhay Chowdhary, Ranjana A Deshmukh
INTRODUCTION: Staphylococcus aureus is a facultative anaerobic Gram positive coccal bacterium whose incidence ranges to different infections. It is a cause of various uncomplicated skin infections, abscesses, septicaemia/bacteraemia, gastroenteritis, endocarditis, toxic shock syndrome and food intoxications. Various methods with varied time, sensitivities, specificities and costs are available, but may not be used as a reliable test for the identification and differentiation of S. aureus...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28382615/a-case-of-multiple-system-atrophy-with-preexisting-alzheimer-s-disease-and-predating-the-hot-cross-bun-sign
#18
Chi-Wei Lin, Chi-Yu Tseng, Chung-Ping Lo, Min-Chien Tu
PURPOSE: Synucleinopathy, tauopathy and amyloidopathy were classified as distinct clinical and pathological entities in traditional classification systems, and their interactions have been studied on neuropathology and molecular genetics recently. CASE REPORT: In this report, we present a 69-year-old male patient who had been diagnosed with probable Alzheimer's disease (AD) dementia due to progressive forgetfulness in February 2013. His Mini- Mental State Examination score was 21/30, and his Cognitive Abilities Screening Instrument score was 78/100, resulted from profound deficits in recent memory and abstract thinking domains...
December 15, 2016: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/28380958/sandwich-structure-modulated-photoluminescence-enhancement-of-wide-bandgap-semiconductors-capping-with-dielectric-microsphere-arrays
#19
Lixue Yang, Yinzhou Yan, Qiang Wang, Yong Zeng, Feifei Liu, Lin Li, Yan Zhao, Yijian Jiang
Here we investigated the effect of substrate and film thickness on photoluminescence (PL) enhancement of wide bandgap semiconductor (i.e. ZnO) by dielectric microsphere array/luminescence film/substrate (MLS) sandwich structures. The PL enhancement channels in the sandwich structure were revealed, for the first time, including the focusing property of microsphere array (MSA) distinctly enhancing free-exciton recombination, anti-reflection effect of MSA increasing excitation cross-section area, MLS-supported TW-/SW-WGMs inducing ASE and Purcell's effect, and optical directional antenna effect for high equivalent NA of objective lens as well as out-coupling efficiency...
March 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28378615/the-utility-of-fdg-pet-in-the-differential-diagnosis-of-parkinsonism
#20
Leposava Brajkovic, Vladimir Kostic, Dragana Sobic-Saranovic, Elka Stefanova, Milica Jecmenica-Lukic, Ana Jesic, Milica Stojiljkovic, Strahinja Odalovic, Francesca Gallivanone, Isabella Castiglioni, Branislava Radovic, Goran Trajkovic, Vera Artiko
INTRODUCTION: Differential diagnosis of parkinsonian disorders can be difficult on clinical grounds, especially in the early stage. Recent advancements in 18-F-fluorodeoxyglucose positron emission tomography (FDG-PET) imaging reveals different patterns of regional glucose metabolism in idiopathic Parkinson's disease (IPD) and atypical parkinsonian syndromes, such as multiple system atrophy (MSA), progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS), which may help differentiating between these conditions...
April 5, 2017: Neurological Research
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