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https://www.readbyqxmd.com/read/28823003/anatomical-study-of-the-palatine-aponeurosis-application-to-posterior-palatal-seal-of-the-complete-maxillary-denture
#1
Joe Iwanaga, Junta Kido, Marcin Lipski, Iwona M Tomaszewska, Krzysztof A Tomaszewski, Jerzy A Walocha, Rod J Oskouian, R Shane Tubbs
The palatine aponeurosis is a thin, fibrous lamella comprising the extended tendons of the tensor veli palatini muscles, attached to the posterior border and inferior surface of the palatine bone. In dentistry, the relationship between the "vibrating line" and the border of the hard and soft palate has long been discussed. However, to our knowledge, there has been no discussion of the relationship between the palatine aponeurosis and the vibrating line(s). Twenty sides from ten fresh frozen White cadaveric heads (seven males and three females) whose mean age at death was 79 years) were used in this study...
August 19, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28822776/assessment-of-ovarian-follicular-dynamics-and-folliculogenesis-associated-endocrine-profiles-following-gonadotropin-stimulation-in-the-bonnet-monkey
#2
Bhupathi Sukesh, Muraly Puttabyatappa, Augustine T Peter, Rudraiah Medhamurthy, Polani B Seshagiri
We evaluated ovarian follicular dynamics in bonnet monkeys by employing trans-abdominal ultrasonography. Following the administration of human follicle stimulating hormone (hFSH) and/or human menopausal gonadotropin (hMG), multiple follicular development was assessed and their numbers, size and growth profiles were monitored. The ultrasonograms showed that the follicular antrum appeared distinctly anechoic with well-defined hyperechoic borders. Depending on the type, quantity (12.5-25 IU), and duration (6-9 days) of hormones administered, the number of developing follicles was 2-12 per ovary with their lowest diameter being 2 mm...
August 16, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28822749/dominance-of-layer-specific-microvessel-dilation-in-contrast-enhanced-high-resolution-fmri-comparison-between-hemodynamic-spread-and-vascular-architecture-with-clarity
#3
REVIEW
Alexander John Poplawsky, Mitsuhiro Fukuda, Bok-Man Kang, Jae Hwan Kim, Minah Suh, Seong-Gi Kim
Contrast-enhanced cerebral blood volume-weighted (CBVw) fMRI response peaks are specific to the layer of evoked synaptic activity (Poplawsky et al., 2015), but the spatial resolution limit of CBVw fMRI is unknown. In this study, we measured the laminar spread of the CBVw fMRI evoked response in the external plexiform layer (EPL, 265 ± 65 μm anatomical thickness, mean ± SD, n = 30 locations from 5 rats) of the rat olfactory bulb during electrical stimulation of the lateral olfactory tract and examined its potential vascular source...
August 16, 2017: NeuroImage
https://www.readbyqxmd.com/read/28822677/dentoskeletal-parameters-related-to-visual-perception-of-facial-asymmetry-in-patients-with-skeletal-class-iii-malocclusion-after-orthognathic-surgery
#4
C-W Lin, Y-C Wang, Y-H Chen, E W-C Ko
The purpose of the study is to explore the critical parameters determining the visual perception of postoperative facial symmetry. This study retrospectively included 24 patients with skeletal class III malocclusion and double-jaw orthognathic surgery (OgS). The patients were classified according to the outcome of subjective visual perception scores (SVPS) based on the postoperative frontal images by 10 orthodontists: symmetrical surgical outcome (S group, n=12) and facial asymmetry after surgery (A group, n=12)...
August 16, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28822639/level-of-the-subscapularis-split-during-arthroscopic-latarjet
#5
Alexandre Lädermann, Patrick J Denard, Paolo Arrigoni, Pablo Narbona, Stephen S Burkhart, Johannes Barth
PURPOSE: To determine the location of the subscapularis split during arthroscopic Latarjet created by an inside-out technique passing a switching stick from the posterior portal across the glenohumeral joint. METHODS: An inside-out technique was used to arthroscopically create a subscapularis split in 20 fresh-frozen human cadaveric shoulders. The distance between the exit point of the switching stick and the upper border of the subscapularis and the anterior circumflex vessels was measured arthroscopically and after open dissection...
August 16, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28822623/high-resolution-computed-tomography-features-distinguishing-benign-and-malignant-lesions-manifesting-as-persistent-solitary-subsolid-nodules
#6
Wenjia Yang, Yifeng Sun, Wentao Fang, Fangfei Qian, Jianding Ye, Qunhui Chen, Yifeng Jiang, Keke Yu, Baohui Han
INTRODUCTION: We retrospectively investigated the high-resolution computed tomography features that distinguish benign lesions (BLs) from malignant lesions (MLs) appearing as persistent solitary subsolid nodules (SSNs). MATERIALS AND METHODS: In 2015, the data from patients treated in our department with persistent solitary SSNs 5 to 30 mm in size were analyzed retrospectively. The demographic data and HRCT findings were analyzed and compared between those with BLs and MLs...
June 8, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28822084/giant-biatrial-myxoma-with-two-different-gross-findings
#7
Taiyo Kuroda, Yukifusa Yokoyama, Satoshi Yuhara, Hideyuki Okawa, Hiroki Hasegawa, Jun Yokote, Shuji Tamaki, Shinji Mii
We experienced a giant biatrial myxoma concomitant with hepatocellular carcinoma. Most of myxomas originate from the left atrium, and biatrial myxomas are extremely rare. Excision of the giant cardiac tumor was performed to avoid risks of life-threatening complications. The resected mass was grossly composed of two parts with the border of interatrial septum and with the shape of peanut shell. Although microscopic examinations revealed enlarged vessels, hemorrhages and hemosiderosis in the left part and high cellularity with chronic inflammation in the right part, spindle-shaped cells in a loose myxoid stroma were observed in both parts of the tumor, consistent with the diagnosis of myxoma...
August 18, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28821947/the-influence-of-microvascular-injury-on-native-t1-and-t2-relaxation-values-after-acute-myocardial-infarction-implications-for-non-contrast-enhanced-infarct-assessment
#8
Lourens F H J Robbers, Robin Nijveldt, Aernout M Beek, Paul F A Teunissen, Maurits R Hollander, P Stefan Biesbroek, Henk Everaars, Peter M van de Ven, Mark B M Hofman, Niels van Royen, Albert C van Rossum
OBJECTIVES: Native T1 mapping and late gadolinium enhancement (LGE) imaging offer detailed characterisation of the myocardium after acute myocardial infarction (AMI). We evaluated the effects of microvascular injury (MVI) and intramyocardial haemorrhage on local T1 and T2* values in patients with a reperfused AMI. METHODS: Forty-three patients after reperfused AMI underwent cardiovascular magnetic resonance imaging (CMR) at 4 [3-5] days, including native MOLLI T1 and T2* mapping, STIR, cine imaging and LGE...
August 18, 2017: European Radiology
https://www.readbyqxmd.com/read/28821672/audio-visual-modulation-in-mouse-v1-depends-on-cross-modal-stimulus-configuration-and-congruency
#9
Guido T Meijer, Jorrit S Montijn, Cyriel M A Pennartz, Carien S Lansink
The sensory neocortex is a highly connected associative network, in which information from multiple senses is integrated, even at the level of the primary sensory areas. Although this view is supported by a growing body of empirical evidence, the neural mechanisms of cross-modal integration in primary sensory areas, such as the primary visual cortex (V1), are still largely unknown. Using two-photon calcium imaging in awake mice, we show that the encoding of audio-visual stimuli in V1 neuronal populations is highly dependent on the features of the stimulus constituents...
August 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28821188/panmixia-and-limited-interspecific-introgression-in-coyotes-canis-latrans-from-west-virginia-and-virginia-usa
#10
Justin H Bohling, Lauren L Mastro, Jennifer R Adams, Eric M Gese, Sheldon F Owen, Lisette P Waits
The expansion of coyotes (Canis latrans) into the eastern United States has had major consequences for ecological communities and wildlife managers. Despite this, there has been little investigation of the genetics of coyotes across much of this region, especially outside of the northeast. Understanding patterns of genetic structure and interspecific introgression would provide insights into the colonization history of the species, its response to the modern environment, and interactions with other canids. We examined the genetic characteristics of 121 coyotes from the mid-Atlantic states of West Virginia and Virginia by genotyping 17 polymorphic nuclear DNA microsatellite loci...
September 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28821162/oral-administration-of-thymoquinone-mitigates-the-effect-of-cisplatin-on-brush-border-membrane-enzymes-energy-metabolism-and-antioxidant-system-in-rat-intestine
#11
Faaiza Shahid, Zeba Farooqui, Subuhi Abidi, Iqbal Parwez, Farah Khan
Cisplatin (CP) is a widely used chemotherapeutic agent that elicits severe gastrointestinal toxicity. Nigella sativa, a member of family Ranunculaceae, is one of the most revered medicinal plant known for its numerous health benefits. Thymoquinone (TQ), a major bioactive component derived from the volatile oil of Nigella sativa seeds, has been shown to improve gastrointestinal functions in animal models of acute gastric/intestinal injury. In view of this, the aim of the present study was to investigate the protective effect of TQ on CP induced toxicity in rat intestine and to elucidate the mechanism underlying these effects...
August 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28820138/processes-underlying-rabies-virus-incursions-across-us-canada-border-as-revealed-by-whole-genome-phylogeography
#12
Hannah Trewby, Susan A Nadin-Davis, Leslie A Real, Roman Biek
Disease control programs aim to constrain and reduce the spread of infection. Human disease interventions such as wildlife vaccination play a major role in determining the limits of a pathogen's spatial distribution. Over the past few decades, a raccoon-specific variant of rabies virus (RRV) has invaded large areas of eastern North America. Although expansion into Canada has been largely prevented through vaccination along the US border, several outbreaks have occurred in Canada. Applying phylogeographic approaches to 289 RRV whole-genome sequences derived from isolates collected in Canada and adjacent US states, we examined the processes underlying these outbreaks...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28819671/fullerenol-nanoparticles-suppress-rankl-induced-osteoclastogenesis-by-inhibiting-differentiation-and-maturation
#13
Huan Geng, Ya-Nan Chang, Xue Bai, Shuitao Liu, Qing Yuan, Weihong Gu, Juan Li, Kui Chen, Gengyan Xing, Gengmei Xing
Bone health requires regulation of homeostatic equilibrium between osteoblasts and osteoclasts. The over-activation of osteoclasts can disrupt bone metabolism, resulting in osteoporosis and other bone-loss diseases. Fullerenol, a polyhydroxy derivative of fullerene, exhibits excellent biocompatibility. Here we show that fullerenol nanoparticles exert two functions: inhibition of osteoclastic differentiation and blockage of pre-osteoclast fusion to restructure osteoclast maturation and function. Experimentally, the nanoparticles reduced pre-osteoclast migration and inhibited ruffled border formation to block their maturation...
August 18, 2017: Nanoscale
https://www.readbyqxmd.com/read/28819234/transcriptome-of-neonatal-preb%C3%A3-tzinger-complex-neurones-in-dbx1-reporter-mice
#14
John A Hayes, Andrew Kottick, Maria Cristina D Picardo, Andrew D Halleran, Ronald D Smith, Gregory D Smith, Margaret S Saha, Christopher A Del Negro
We sequenced the transcriptome of brainstem interneurons in the specialized respiratory rhythmogenic site dubbed preBötzinger Complex (preBötC) from newborn mice. To distinguish molecular characteristics of the core oscillator we compared preBötC neurons derived from Dbx1-expressing progenitors that are respiratory rhythmogenic to neighbouring non-Dbx1-derived neurons, which support other respiratory and non-respiratory functions. Results in three categories are particularly salient. First, Dbx1 preBötC neurons express κ-opioid receptors in addition to μ-opioid receptors that heretofore have been associated with opiate respiratory depression, which may have clinical applications...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818507/optimizing-quality-of-endoscopy-in-inflammatory-bowel-disease-focus-on-surveillance-and-management-of-colorectal-dysplasia-using-interactive-image-and-video-based-teaching
#15
Tonya R Kaltenbach, Roy M Soetikno, Rebecca DeVivo, Loren A Laine, Alan Barkun, Kenneth R McQuaid
BACKGROUND & AIMS: Varying recommendations regarding the detection and management of dysplasia can lead to uncertainty and may have impeded the uptake of strategies that could improve surveillance in patients with inflammatory bowel disease (IBD). As such, an educational event was held to assist in disseminating the recently published Surveillance for Colorectal Endoscopic Neoplasia Detection and Management in Inflammatory Bowel Disease Patients: International Consensus Recommendations (SCENIC)...
August 14, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28818489/tu-salud-%C3%A2-s%C3%A3-cuenta-your-health-matters-a%C3%A2-community-wide-campaign-in-a-hispanic-border%C3%A2-community-in-texas
#16
Natalia I Heredia, MinJae Lee, Lisa Mitchell-Bennett, Belinda M Reininger
OBJECTIVE: To evaluate a community-wide campaign, Tu Salud ¡Si Cuenta! (TSSC), in improving eating behaviors and anthropometric outcomes in Hispanic border communities. DESIGN: A quasi-experimental study with matched intervention and comparison communities. Cross-sectional assessments with randomly sampled adults, examined by actual exposure and site (unexposed intervention, exposed intervention, and unexposed comparison). SETTING AND PARTICIPANTS: Predominately Mexican Americans located in Brownsville, TX (intervention) and Laredo, TX (control)...
August 14, 2017: Journal of Nutrition Education and Behavior
https://www.readbyqxmd.com/read/28817595/predictive-factors-of-the-dimensions-and-location-of-mental-foramen-using-cone-beam-computed-tomography
#17
Juan Muinelo-Lorenzo, Ana Fernández-Alonso, Ernesto Smyth-Chamosa, Juan Antonio Suárez-Quintanilla, Jesús Varela-Mallou, María Mercedes Suárez-Cunqueiro
OBJECTIVE: The mental foramen (MF) hosts main neurovascular structures, making it of crucial importance for surgical procedures. This study aimed to analyze the factors influencing the dimensions and location of the MF. MATERIALS AND METHODS: Cone beam computed tomography (CBCT) scans of 344 patients were examined for MF dimensions, as well as for the distances from the MF to the alveolar crest (MF-MSB), and to the inferior mandibular border (MF-MIB). RESULTS: Gender, mandibular side and presence of accessory mental foramina (AMF) significantly influence MF area...
2017: PloS One
https://www.readbyqxmd.com/read/28816507/arthroscopic-harvest-of-adipose-derived-mesenchymal-stem-cells-from-the-infrapatellar-fat-pad
#18
Jason L Dragoo, Wenteh Chang
BACKGROUND: The successful isolation of adipose-derived mesenchymal stem cells (ADSCs) from the arthroscopically harvested infrapatellar fat pad (IFP) would provide orthopaedic surgeons with an autologous solution for regenerative procedures. PURPOSE: To demonstrate the quantity and viability of the mesenchymal stem cell population arthroscopically harvested from the IFP as well as the surrounding synovium. STUDY DESIGN: Descriptive laboratory study...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28815982/bridge-the-gap-the-need-for-harmonized-regulatory-and-ethical-standards-for-postmarketing-observational-studies
#19
REVIEW
Hisashi Urushihara, Louise Parmenter, Shimon Tashiro, Kenji Matsui, Nancy Dreyer
Drug safety issues do not respect national borders. Hence, addressing a safety question may necessitate globally coordinated efforts between regulatory authorities and market authorization holders (MAHs) to draw reliable conclusions. Regulatory authorities have shared responsibility with MAHs sponsoring postmarketing nonintervention studies in determining study goals and design. Their shared accountabilities include what will be investigated and how the data will be retrieved to ensure appropriate study quality required for regulatory decision making...
August 16, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28814663/parasympathetic-dysfunction-and-antiarrhythmic-effect-of-vagal-nerve-stimulation-following-myocardial-infarction
#20
Marmar Vaseghi, Siamak Salavatian, Pradeep S Rajendran, Daigo Yagishita, William R Woodward, David Hamon, Kentaro Yamakawa, Tadanobu Irie, Beth A Habecker, Kalyanam Shivkumar
Myocardial infarction causes sympathetic activation and parasympathetic dysfunction, which increase risk of sudden death due to ventricular arrhythmias. Mechanisms underlying parasympathetic dysfunction are unclear. The aim of this study was to delineate consequences of myocardial infarction on parasympathetic myocardial neurotransmitter levels and the function of parasympathetic cardiac ganglia neurons, and to assess electrophysiological effects of vagal nerve stimulation on ventricular arrhythmias in a chronic porcine infarct model...
August 17, 2017: JCI Insight
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