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https://www.readbyqxmd.com/read/27926784/preoperative-characteristics-and-cytological-features-of-136-histologically-confirmed-pancreatic-mucinous-cystic-neoplasms
#1
Aristana Scourtas, Jonathan C Dudley, William R Brugge, Abdurrahman Kadayifci, Mari Mino-Kenudson, Martha B Pitman
BACKGROUND: Mucinous cystic neoplasms (MCNs) of the pancreas present a management conundrum. The majority are benign but all are resected due to their malignant potential. Recent studies have recommended nonsurgical management. In the current study, the authors analyzed the preoperative imaging, cytology, and cyst fluid characteristics of 136 histologically confirmed MCNs to assess predictors of a high-risk (HR) cyst for surgical triage. METHODS: MCNs resected at the Massachusetts General Hospital between 1990 and 2014 formed the study cohort...
December 7, 2016: Cancer
https://www.readbyqxmd.com/read/27917216/the-revolving-door-of-mental-neurological-and-substance-use-disorders-re-hospitalization-in-rural-kwazulu-natal-province-south-africa
#2
Andrew Tomita, Yoshan Moodley
OBJECTIVE: Little is known about the extent of mental, neurological and substance-use (MNS) disorders re-hospitalization in South Africa. We examined the extent of one-year MNS re-hospitalization (MNS-R) in a rural South African primary health care facility (PHCF). METHODS: We conducted a retrospective analysis of hospital administrative data from 10,525 adults discharged from a rural PHCF in KwaZulu-Natal Province, South Africa. Chi-squared tests were utilized to describe MNS-R within one year of an index hospital admission in individuals with MNS, with a sub-analysis also being conducted to describe schizophrenia re-hospitalization (S-R)...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27891625/validation-of-the-multiplex-ligation-dependent-probe-amplification-assay-and-its-application-on-the-distribution-study-of-the-major-alleles-of-17-blood-group-systems-in-chinese-donors-from-guangzhou
#3
Yanli Ji, Jizhi Wen, Barbera Veldhuisen, Lonneke Haer-Wigman, Zhen Wang, Martin Lodén-van Straaten, Ling Wei, Guangping Luo, Yongshui Fu, C Ellen van der Schoot
BACKGROUND: Genotyping platforms for common red blood cell (RBC) antigens have been successfully applied in Caucasian and black populations but not in Chinese populations. In this study, a genotyping assay based on multiplex ligation-dependent probe amplification (MLPA) technology was applied in a Chinese population to validate the MLPA probes. Subsequently, the comprehensive distribution of 17 blood group systems also was obtained. STUDY DESIGN AND METHODS: DNA samples from 200 Chinese donors were extracted and genotyped using the blood-MLPA assay...
November 27, 2016: Transfusion
https://www.readbyqxmd.com/read/27886404/adipophilin-expression-in-cutaneous-malignant-melanoma
#4
Masakazu Fujimoto, Ibu Matsuzaki, Yuki Yamamoto, Akihiko Yoshizawa, Kenji Warigaya, Yoshifumi Iwahashi, Fumiyoshi Kojima, Fukumi Furukawa, Shin-Ichi Murata
BACKGROUND: The lipogenic pathway is upregulated in cancer cells, including melanomas. However, the pathological significance of cellular lipids in melanocytic lesions has yet to be determined. In this study, we evaluated intracytoplasmic lipid droplets in melanocytic nevi (MNs) and malignant melanomas via immunohistochemical analysis of adipophilin (ADP), which coats lipid droplets. METHODS: One hundred primary cutaneous melanocytic lesions (33 MNs, 17 melanomas in situ [MIS], and 50 invasive melanomas [IMs]) were immunostained for ADP...
November 25, 2016: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/27884958/activity-dependent-redistribution-of-kv2-1-ion-channels-on-rat-spinal-motoneurons
#5
Shannon H Romer, Adam S Deardorff, Robert E W Fyffe
Homeostatic plasticity occurs through diverse cellular and synaptic mechanisms, and extensive investigations over the preceding decade have established Kv2.1 ion channels as key homeostatic regulatory elements in several central neuronal systems. As in these cellular systems, Kv2.1 channels in spinal motoneurons (MNs) localize within large somatic membrane clusters. However, their role in regulating motoneuron activity is not fully established in vivo. We have previously demonstrated marked Kv2.1 channel redistribution in MNs following in vitro glutamate application and in vivo peripheral nerve injury (Romer et al...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27882431/diagnostic-value-of-conventional-chest-radiography-in-intrathoracic-goiters-retrospective-analysis-of-2570-patients
#6
Fares Benmiloud, Michel Grino, Charles Oliver, Anne Denizot
PURPOSE: Since intrathoracic goiters (IG), either cervico-mediastinal goiters (CMGs) or mediastinal nodules (MNs), can lead to sternotomies and/or evitable reoperations, their detection is mandatory before thyroid surgery. A systematic screening by CT scan or MRI is not conceivable because of their expensiveness. We tested if conventional chest radiography (CCR) could remain a good screening tool for IG before thyroid surgery. METHODS: In this retrospective study (2554 patients), CCR usefulness was evaluated in relation with patients' complaints, clinical examination, neck US, and anatomical and surgical findings...
November 24, 2016: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/27876633/classification-of-nuclear-morphology-in-endocytoscopy-of-colorectal-neoplasms
#7
Toyoki Kudo, Shin-Ei Kudo, Yuichi Mori, Kunihiko Wakamura, Masashi Misawa, Takemasa Hayashi, Hideyuki Miyachi, Atsushi Katagiri, Fumio Ishida, Haruhiro Inoue
BACKGROUND AND AIMS: We investigated endocytoscopy (EC) findings that were considered risk factors for colorectal neoplasms and determined whether they could be used as new indices to identify carcinomas with massive submucosal invasion (SM-m) or worse outcomes. METHODS: We performed a multivariate analysis of 8 factors on EC images to determine whether they were associated with SM-m or worse. Based on the results, we divided the EC3a category of the EC classification into low grade or high grade, and investigated the diagnostic accuracy of this subclassification...
November 19, 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27862868/mirror-neurons-in-the-tree-of-life-mosaic-evolution-plasticity-and-exaptation-of-sensorimotor-matching-responses
#8
Antonella Tramacere, Telmo Pievani, Pier F Ferrari
Considering the properties of mirror neurons (MNs) in terms of development and phylogeny, we offer a novel, unifying, and testable account of their evolution according to the available data and try to unify apparently discordant research, including the plasticity of MNs during development, their adaptive value and their phylogenetic relationships and continuity. We hypothesize that the MN system reflects a set of interrelated traits, each with an independent natural history due to unique selective pressures, and propose that there are at least three evolutionarily significant trends that gave raise to three subtypes: hand visuomotor, mouth visuomotor, and audio-vocal...
November 16, 2016: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/27821773/reduced-high-frequency-motor-neuron-firing-emg-fractionation-and-gait-variability-in-awake-walking-als-mice
#9
Muhamed Hadzipasic, Weiming Ni, Maria Nagy, Natalie Steenrod, Matthew J McGinley, Adi Kaushal, Eleanor Thomas, David A McCormick, Arthur L Horwich
Amyotrophic lateral sclerosis (ALS) is a lethal neurodegenerative disease prominently featuring motor neuron (MN) loss and paralysis. A recent study using whole-cell patch clamp recording of MNs in acute spinal cord slices from symptomatic adult ALS mice showed that the fastest firing MNs are preferentially lost. To measure the in vivo effects of such loss, awake symptomatic-stage ALS mice performing self-initiated walking on a wheel were studied. Both single-unit extracellular recordings within spinal cord MN pools for lower leg flexor and extensor muscles and the electromyograms (EMGs) of the corresponding muscles were recorded...
November 22, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27815729/mu-rhythm-suppression-is-associated-with-the-classification-of-emotion-in-faces
#10
Matthew R Moore, Elizabeth A Franz
The mirror neuron system (MNS) has been mooted as a crucial component underlying human social cognition. Initial evidence based on functional magnetic resonance imaging (fMRI) suggests that the MNS plays a role in emotion classification, but further confirmation and convergent evidence is needed. This study employed electroencephalography (EEG) to examine modulations in the mu rhythm associated with the inference of emotions from facial expressions. It was hypothesised that mu suppression would be associated with classifying the emotion portrayed by facial expressions...
November 4, 2016: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/27807866/a-jordanian-family-with-three-sisters-apparently-homozygous-for-m-k-and-evidence-for-clinical-significance-of-antibodies-produced-by-m-k-m-k-individuals
#11
Nour Al-Huda Al-Jada
BACKGROUND: The rare M(k) M(k) phenotype is the result of a deletion of the coding regions of both GYPA and GYPB. Red blood cells (RBCs) of individuals homozygous for the rare M(k) gene lack all MNS blood group antigens and have no glycophorin A or glycophorin B. This phenotype is extremely rare and only four families have been reported. CASE REPORT: A 28-year-old woman was referred for assessment of recurrent early neonatal deaths. She was found to be apparently homozygous for M(k) ...
November 3, 2016: Transfusion
https://www.readbyqxmd.com/read/27793685/transcutaneous-immunization-via-rapidly-dissolvable-microneedles-protects-against-hand-foot-and-mouth-disease-caused-by-enterovirus-71
#12
Zhuangzhi Zhu, Xiaohua Ye, Zhiqiang Ku, Qingwei Liu, Chaoyun Shen, Huafei Luo, Hansen Luan, Chenghao Zhang, Shaoqiong Tian, CheeYen Lim, Zhong Huang, Hao Wang
Recent large outbreaks of hand-foot-and-mouth disease (HFMD) have seriously affected the health of young children. Enterovirus 71 (EV71) is the main causative agent of HFMD. Herein, for the first time, rapidly dissolvable microneedles (MNs) loaded with EV71 virus-like particles (VLPs) were evaluated whether they could induce robust immune responses that confer protection against EV71 infection. The characteristics of prepared MNs including hygroscopy, mechanical strength, insertion capacity, dissolution profile, skin irritation and storage stability were comprehensively assessed...
October 25, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27773581/protein-rna-networks-regulated-by-normal-and-als-associated-mutant-hnrnpa2b1-in-the-nervous-system
#13
Fernando J Martinez, Gabriel A Pratt, Eric L Van Nostrand, Ranjan Batra, Stephanie C Huelga, Katannya Kapeli, Peter Freese, Seung J Chun, Karen Ling, Chelsea Gelboin-Burkhart, Layla Fijany, Harrison C Wang, Julia K Nussbacher, Sara M Broski, Hong Joo Kim, Rea Lardelli, Balaji Sundararaman, John P Donohue, Ashkan Javaherian, Jens Lykke-Andersen, Steven Finkbeiner, C Frank Bennett, Manuel Ares, Christopher B Burge, J Paul Taylor, Frank Rigo, Gene W Yeo
HnRNPA2B1 encodes an RNA binding protein associated with neurodegeneration. However, its function in the nervous system is unclear. Transcriptome-wide crosslinking and immunoprecipitation in mouse spinal cord discover UAGG motifs enriched within ∼2,500 hnRNP A2/B1 binding sites and an unexpected role for hnRNP A2/B1 in alternative polyadenylation. HnRNP A2/B1 loss results in alternative splicing (AS), including skipping of an exon in amyotrophic lateral sclerosis (ALS)-associated D-amino acid oxidase (DAO) that reduces D-serine metabolism...
November 23, 2016: Neuron
https://www.readbyqxmd.com/read/27756546/recognition-of-the-semantics-and-kinematics-of-gestures-neural-responses-to-what-and-how
#14
Dahan Anat, Reiner Miriam
The extensive use of gestures for human-human communication, independently of culture and language, suggests an underlying universal neural mechanism for gesture recognition. The mirror neuron system (MNS) is known to respond to observed human actions, and overlaps with self-action. The minimal cues needed for activation of the MNS for gesture recognition, facial expressions and bodily dynamics, is not yet defined. Using LED-point representations of gestures, we compared two types of brain activations: 1) in response to human recognizable vs non-recognizable motion and 2) in response to human vs non-human motion...
October 15, 2016: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/27752511/%C3%AE-car-igf-1-vector-targeting-of-motor-neurons-ameliorates-disease-progression-in-als-mice
#15
Ioanna Eleftheriadou, Ioannis Manolaras, Elaine E Irvine, Michael Dieringer, Antonio Trabalza, Nicholas D Mazarakis
OBJECTIVE: We have previously described the generation of coxsackievirus and adenovirus receptor (α CAR)-targeted vector, and shown that intramuscular delivery in mouse leg muscles resulted in specific retrograde transduction of lumbar-motor neurons (MNs). Here, we utilized the α CAR-targeted vector to investigate the in vivo neuroprotective effects of lentivirally expressed IGF-1 for inducing neuronal survival and ameliorating the neuropathology and behavioral phenotypes of the SOD1(G93A) mouse model of ALS...
October 2016: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/27734302/subarachnoid-hemorrhage-and-visuospatial-and-visuoperceptive-impairment-disruption-of-the-mirror-neuron-system
#16
Julio Plata-Bello, Cristián Modroño, Silvia Acosta-López, Yaiza Pérez-Martín, Francisco Marcano, Víctor García-Marín, José Luis González-Mora
Nearly 20 % of patients who suffer a subarachnoid hemorrhage (SAH) still display cognitive impairment even a year after follow-up. Visuospatial and visuoperceptive domains may be impaired in this cognitive impairment and may not have been fully studied in these patients. Furthermore, these cognitively impaired domains have been associated with activity in the so-called mirror neuron system (MNS). The aim of the study is to analyze the pattern of brain activity with an MNS task-based functional magnetic resonance imaging (fMRI) study in SAH patients...
October 12, 2016: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/27726691/poor-imitative-performance-of-unlearned-gestures-in-children-with-probable-developmental-coordination-disorder
#17
Jess E Reynolds, Sophie Kerrigan, Catherine Elliott, Brendan S Lay, Melissa K Licari
It has been hypothesized that deficits in imitation, linked to abnormal functioning of the mirror neuron system (MNS), may contribute to the motor impairments associated with developmental coordination disorder (DCD). The authors aimed to examine imitation of complex novel postures and sequences of gestures in children with and without probable DCD (pDCD), using the postural praxis and sequencing praxis subtests of the Sensory Integration and Praxis Tests (Ayres, 1989 ). Participants were 29 boys with pDCD between 6...
October 11, 2016: Journal of Motor Behavior
https://www.readbyqxmd.com/read/27726206/template-free-synthesis-of-nanorod-assembled-hierarchical-zn1-xmnxs-hollow-nanostructures-with-enhanced-pseudocapacitive-property
#18
Ying Jin, Jiaying Xu, Lanfang Wang, Qingyi Lu, Feng Gao
In this study, mixed-metal sulfide Zn1-xMnxS nanorod-assembled hierarchical hollow spheres are successfully synthesized via a template-free solvothermal process base on Ostwald ripening process. In the reaction system the glycerol plays a key role for the formation of ZnxMn1-xS hierarchical hollow structures through a "quasi-microemulsion-template" mechanism. When applied as capacitor electrode material, the hierarchical Zn1-xMnxS hollow spheres display excellent electrochemical performances. Specifically, Zn0...
October 10, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27717418/advances-in-blood-typing
#19
N Quraishy, S Sapatnekar
The clinical importance of blood group antigens relates to their ability to evoke immune antibodies that are capable of causing hemolysis. The most important antigens for safe transfusion are ABO and D (Rh), and typing for these antigens is routinely performed for patients awaiting transfusion, prenatal patients, and blood donors. Typing for other blood group antigens, typically of the Kell, Duffy, Kidd, and MNS blood groups, is sometimes necessary, for patients who have, or are likely to develop antibodies to these antigens...
2016: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/27717377/immune-response-in-peripheral-axons-delays-disease-progression-in-sod1-g93a-mice
#20
Giovanni Nardo, Maria Chiara Trolese, Giuseppe de Vito, Roberta Cecchi, Nilo Riva, Giorgia Dina, Paul R Heath, Angelo Quattrini, Pamela J Shaw, Vincenzo Piazza, Caterina Bendotti
BACKGROUND: Increasing evidence suggests that the immune system has a beneficial role in the progression of amyotrophic lateral sclerosis (ALS) although the mechanism remains unclear. Recently, we demonstrated that motor neurons (MNs) of C57SOD1(G93A) mice with slow disease progression activate molecules classically involved in the cross-talk with the immune system. This happens a lot less in 129SvSOD1(G93A) mice which, while expressing the same amount of transgene, had faster disease progression and earlier axonal damage...
October 7, 2016: Journal of Neuroinflammation
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