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https://www.readbyqxmd.com/read/29793141/new-contributions-to-gruberia-lanceolata-gruber-1884-kahl-1932-based-on-analyses-of-multiple-populations-and-genes-ciliophora-heterotrichea-gruberiidae
#1
Xiangrui Chen, Shahed Uddin Ahmed Shazib, Ji Hye Kim, Min Seok Kim, Mann Kyoon Shin
Gruberia Kahl, 1932 is a species-poor genus comprising only seven named species. Most of these species have not been reinvestigated since the original reports. In the present work, we investigated the taxonomy and phylogeny of Gruberia lanceolata (Gruber, 1884) Kahl, 1932 based on analyses of morphology and multiple gene sequences from four South Korean populations. This species is mainly characterized by a well-developed peristome region, segmented paroral membrane, and moniliform macronucleus. Some morphological features were not stable among the four populations investigated, such as body shape and size, cell color, and the ratio of oral length to body length...
May 9, 2018: European Journal of Protistology
https://www.readbyqxmd.com/read/29793126/effect-of-manual-therapy-versus-proprioceptive-neuromuscular-facilitation-in-dynamic-balance-mobility-and-flexibility-in-field-hockey-players-a-randomized-controlled-trial
#2
Gemma V Espí-López, Susana López-Martínez, Marta Inglés, Pilar Serra-Añó, Marta Aguilar-Rodríguez
OBJECTIVES: To compare the effectiveness of a specific Manual Therapy (MT) protocol applied to field hockey players (FHP), versus a Proprioceptive Neuromuscular Facilitation (PNF) protocol, in the improvement of dynamic balance, active range of movement and lumbar flexibility one-week and four-weeks after the treatment. DESIGN: Randomized controlled trial. Participants were assigned to 2 groups: MT and PNF. 30 min' sessions were performed once a week for three weeks...
April 22, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29793081/geochemical-anomalies-of-trace-elements-in-unremediated-soils-of-mt-karcz%C3%A3-wka-a-historic-lead-mining-area-in-the-city-of-kielce-poland
#3
Agnieszka Gałuszka, Zdzisław M Migaszewski, Sabina Dołęgowska, Artur Michalik
Concentrations of selected trace elements (Ag, As, Ba, Cd, Co, Cr, Cu, Mn, Ni, Pb, Zn) and rare earth elements were determined in 61 samples of surface soils collected from Mt. Karczówka, a historic Pb ore mining area located in the city of Kielce, south-central Poland. Some of these samples were subjected to XRD analyses and Pb stable isotope measurements. The mineral and chemical composition of rock samples were also examined. Mining activity in the study area was conducted mostly during 15th-17th centuries using technologically primitive methods, and was finally ceased in the first half of the 19th century...
May 21, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29793061/microstructural-imaging-of-the-human-brain-with-a-super-scanner-10-key-advantages-of-ultra-strong-gradients-for-diffusion-mri
#4
D K Jones, D C Alexander, R Bowtell, M Cercignani, F Dell'Acqua, D J McHugh, K L Miller, M Palombo, G J M Parker, U S Rudrapatna, C M W Tax
The key component of a microstructural diffusion MRI 'super-scanner' is a dedicated high-strength gradient system that enables stronger diffusion weightings per unit time compared to conventional gradient designs. This can, in turn, drastically shorten the time needed for diffusion encoding, increase the signal-to-noise ratio, and facilitate measurements at shorter diffusion times. This review, written from the perspective of the National Facility for In Vivo MR Imaging of Human Tissue Microstructure, an initiative to establish a shared 300 mT/m-gradient facility amongst the microstructural imaging community, describes ten advantages of ultra-strong gradients for microstructural imaging...
May 21, 2018: NeuroImage
https://www.readbyqxmd.com/read/29792812/ultralow-damping-in-nanometer-thick-epitaxial-spinel-ferrite-thin-films
#5
Satoru Emori, Di Yi, Sam Crossley, Jacob J Wisser, Purnima P Balakrishnan, Behrouz Khodadadi, Padraic Shafer, Christoph Klewe, Alpha T N'Diaye, Brittany T Urwin, Krishnamurthy Mahalingam, Brandon Howe, Harold Y Hwang, Elke Arenholz, Yuri Suzuki
Pure spin currents, unaccompanied by dissipative charge flow, are essential for realizing energy-efficient nanomagnetic information and communications devices. Thin-film magnetic insulators have been identified as promising materials for spin-current technology, since they are thought to exhibit lower damping compared to their metallic counterparts. However, insulating behavior is not a sufficient requirement for low damping, as evidenced by the very limited options for low-damping insulators. Here, we demonstrate a new class of nanometer-thick ultralow-damping insulating thin films, based on design criteria that minimize orbital angular momentum and structural disorder...
May 24, 2018: Nano Letters
https://www.readbyqxmd.com/read/29792237/according-to-mitochondrial-dna-evidence-parascaris-equorum-and-parascaris-univalens-may-represent-the-same-species
#6
J F Gao, X X Zhang, X X Wang, Q Li, Y Li, W W Xu, Y Gao, C R Wang
Parascarosis is caused mainly by parasitic infections with Parascaris equorum and Parascaris univalens, the most common ascarid nematodes, in the small intestine of equines. Parascarosis often causes severe illness and even death in foals and yearlings. In this study, we obtained the complete sequence of the P. equorum mitochondrial (mt) genome and compared its organization and structure with that of P. equorum Japan isolate (nearly complete), and the complete mtDNA sequences of P. univalens Switzerland and USA isolates...
May 24, 2018: Journal of Helminthology
https://www.readbyqxmd.com/read/29789638/human-carbonic-anhydrase-8-aav8-gene-therapy-inhibits-nerve-growth-factor-signaling-producing-prolonged-analgesia-and-anti-hyperalgesia-in-mice
#7
Gerald Z Zhuang, Udita Upadhyay, Xiaoying Tong, Yuan Kang, Diana M Erasso, Eugene S Fu, Konstantinos D Sarantopoulos, Eden R Martin, Tim Wiltshire, Luda Diatchenko, Shad B Smith, William Maixner, Roy C Levitt
Carbonic anhydrase-8 (Car8; murine gene symbol) is an allosteric inhibitor of inositol trisphosphate receptor-1 (ITPR1), which regulates neuronal intracellular calcium release. We previously reported that wild-type Car8 overexpression corrects the baseline allodynia and hyperalgesia associated with calcium dysregulation in the waddle (wdl) mouse due to a 19 bp deletion in exon 8 of the Car8 gene. In this report, we provide preliminary evidence that overexpression of the human wild-type ortholog of Car8 (CA8 WT ), but not the reported CA8 S100P loss-of-function mutation (CA8 MT ), inhibits nerve growth factor (NGF)-induced phosphorylation of ITPR1, TrkA (NGF high-affinity receptor), and ITPR1-mediated cytoplasmic free calcium release in vitro...
April 24, 2018: Gene Therapy
https://www.readbyqxmd.com/read/29789629/non-coding-rnas-in-various-stages-of-liver-disease-leading-to-hepatocellular-carcinoma-differential-expression-of-mirnas-pirnas-lncrnas-circrnas-and-sno-mt-rnas
#8
Srinivas V Koduru, Ashley N Leberfinger, Yuka I Kawasawa, Milind Mahajan, Niraj J Gusani, Arun J Sanyal, Dino J Ravnic
Hepatocellular carcinoma (HCC) was the fifth leading cause of cancer death in men and eighth leading cause of death in women in the United States in 2017. In our study, we sought to identify sncRNAs in various stages of development of HCC. We obtained publicly available small RNA-seq data derived from patients with cirrhosis (n = 14), low-grade dysplastic nodules (LGDN, n = 9), high grade dysplastic nodules (HGDN, n = 6), early hepatocellular carcinoma (eHCC, n = 6), and advanced hepatocellular carcinoma (HCC, n = 20), along with healthy liver tissue samples (n = 9)...
May 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29789265/the-physiological-and-perceptual-demands-of-running-on-a-curved-non-motorised-treadmill-implications-for-self-paced-training
#9
Patrick P J M Schoenmakers, Kate E Reed
OBJECTIVES: To compare physiological and perceptual response of running on a curved non-motorized treadmill (cNMT) with running on a motorized treadmill (MT), and to determine the running velocity at which a physiological response≥90% V˙O2 max was elicited. DESIGN & METHODS: 13 trained male runners (mean±SD; 36±11years, 1.80±0.06m, 70±4kg, V˙O2 max: 57.3±3.5 mLkg-1 min-1 ) performed an incremental running test on a MT to determine V˙O2 max and the accompanying maximum velocity (Vmax)...
May 19, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29789214/emergent-carotid-endarterectomy-versus-stenting-in-acute-stroke-patients-with-tandem-occlusion
#10
Diana E Slawski, Mouhammad A Jumaa, Hisham Salahuddin, Julie Shawver, M Junaid Humayun, Todd Russell, Andrew Seiwert, David Paolini, Jihad Abbas, Munier Nazzal, Gretchen E Tietjen, Aixa Espinosa-Morales, Andrea Korsnack, Syed F Zaidi
OBJECTIVE: Acute stroke due to tandem cervical internal carotid artery (ICA) and intracranial large-vessel occlusion (ILVO) has a high rate of morbidity and mortality. The most appropriate treatment strategy for the extracranial culprit lesion remains unclear. In this study, we report our institutional outcomes with two approaches: emergent carotid endarterectomy (CEA) and carotid artery stenting (CAS). METHODS: Patients with tandem ICA-ILVO were identified in a prospective mechanical thrombectomy (MT) database between July 2012 and April 2016...
May 19, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29788265/gene-expression-profile-in-frontal-cortex-in-sporadic-frontotemporal-lobar-degeneration-tdp
#11
Pol Andrés-Benito, Ellen Gelpi, Mónica Povedano, Gabriel Santpere, Isidro Ferrer
Molecular alterations compromising key metabolic pathways are poorly understood in sporadic frontotemporal lobar degeneration with TDP-43 pathology (sFTLD-TDP). Whole-transcriptome array, RT-qPCR validation, gel electrophoresis, and Western blotting, and mitochondrial electron transport chain (ETC) activity were comparatively examined in frontal cortex (area 8) of 16 sFTLD-TDP cases and 14 controls. Assessment of 111 genes by RT-qPCR showed deregulation of 81 genes linked to neurotransmission and synapses, neuronal architecture, cytoskeleton of axons and dendrites, vesicle trafficking, purines, mitochondria, and energy metabolism in sFTLD-TDP...
May 19, 2018: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29787548/a-subset-of-five-human-mitochondrial-formyl-peptides-mimics-bacterial-peptides-and-functionally-deactivates-human-neuetrophils
#12
Elzbieta Kaczmarek, Carl J Hauser, Woon Yong Kwon, Ingred Rica, Li Chen, Nicola Sandler, Leo E Otterbein, Yan Campbell, Charles H Cook, Michael B Yaffe, Michael Marusich, Kiyoshi Itagaki
BACKGROUND: Trauma causes inflammation by releasing mitochondria (MT) that act as DAMPs. Trauma also increases susceptibility to infection. Human MT contain 13 N-formyl peptides (mtFPs). We studied whether mtFPs released into plasma by clinical injury induce neutrophil (PMN) inflammatory responses, whether their potency reflects their similarity to bacterial FPs and how their presence at clinically relevant concentration affects PMN function. METHODS: N-terminal sequences of the 13 mtFPs were synthesized...
May 4, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29787360/myotarsal-flap-a-versatile-entity-for-lower-eyelid-reconstructions
#13
Hemant K Mehta
The purpose is to present a new surgical technique using myotarsal (MT) flap for reconstruction of small to subtotal full thickness defects - up to 8 mm in height - of lower eyelids, without needing concomitant supplementary procedures. MT flap consists of a 3 mm tarsal strip with attached levator complex. It does not have conjunctival lining or pedicle. Versatility of the flap extends to correction of mild to severe ptosis, and retraction of upper eyelids. This is a retrospective personal series of 163 patients, who underwent surgical reconstruction with MT flap overlaid with quilted skin graft (modified myotarsal flap) after excision of malignant tumours of lower eyelid...
June 2018: Orbit
https://www.readbyqxmd.com/read/29785693/massive-transfusion-the-revised-assessment-of-bleeding-and-transfusion-rabt-score
#14
Bellal Joseph, Muhammad Khan, Michael Truitt, Faisal Jehan, Narong Kulvatunyou, Asad Azim, Arpana Jain, Muhammad Zeeshan, Andrew Tang, Terence O'Keeffe
BACKGROUND: Massive transfusion (MT) is a lifesaving treatment for trauma patients with hemorrhagic shock, assessed by Assessment of Blood Consumption (ABC) Score based on mechanism of injury, systolic blood pressure (SBP), tachycardia, and FAST exam. The aim of this study was to assess the performance of ABC score by replacing hypotension and tachycardia; with Shock Index (SI) > 1.0 and including pelvic fractures. METHODS: We performed a 2-year (2014-2015) analysis of all high-level trauma activations and excluded patients dead on arrival...
May 21, 2018: World Journal of Surgery
https://www.readbyqxmd.com/read/29785619/comparative-analyses-of-the-mitochondrial-genome-of-the-sheep-ked-melophagus-ovinus-diptera-hippoboscidae-from-different-geographical-origins-in-china
#15
Jia-Min Tang, Fen Li, Tian-Yin Cheng, De-Yong Duan, Guo-Hua Liu
The sheep ked Melophagus ovinus is mainly found in Europe, Northwestern Africa, and Asia. Although M. ovinus is an important ectoparasite of sheep in many countries, the population genetics, molecular biology, and systematics of this ectoparasite remain poorly understood. Herein, we determined the mitochondrial (mt) genome of M. ovinus from Gansu Province, China (MOG) and compared with that of M. ovinus Xinjiang Uygur Autonomous Region, China (MOX). The mt genome sequence (15,044 bp) of M. ovinus MOG was significantly shorter (529 bp) than M...
May 22, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29784011/extremely-low-frequency-electromagnetic-fields-promote-mesenchymal-stem-cell-migration-by-increasing-intracellular-ca-2-and-activating-the-fak-rho-gtpases-signaling-pathways-in-vitro
#16
Yingchi Zhang, Jiyuan Yan, Haoran Xu, Yong Yang, Wenkai Li, Hua Wu, Chaoxu Liu
BACKGROUND: The ability of mesenchymal stem cells (MSCs) to migrate to the desired tissues or lesions is crucial for stem cell-based regenerative medicine and tissue engineering. Optimal therapeutics for promoting MSC migration are expected to become an effective means for tissue regeneration. Electromagnetic fields (EMF), as a noninvasive therapy, can cause a lot of biological changes in MSCs. However, whether EMF can promote MSC migration has not yet been reported. METHODS: We evaluated the effects of EMF on cell migration in human bone marrow-derived MSCs...
May 21, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29781982/the-motor-in-implicit-motor-sequence-learning-a-foot-stepping-serial-reaction-time-task
#17
Yue Du, Jane E Clark
This protocol describes a modified serial reaction time (SRT) task used to study implicit motor sequence learning. Unlike the classic SRT task that involves finger-pressing movements while sitting, the modified SRT task requires participants to step with both feet while maintaining a standing posture. This stepping task necessitates whole body actions that impose postural challenges. The foot-stepping task complements the classic SRT task in several ways. The foot-stepping SRT task is a better proxy for the daily activities that require ongoing postural control, and thus may help us better understand sequence learning in real-life situations...
May 3, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781735/protein-kinase-d-was-involved-in-vascular-remodeling-in-spontaneously-hypertensive-rats
#18
Jing Geng, Zhuo Zhao, Le Yang, Mingwei Zhang, Xiangjuan Liu
The present study was designed to determine the role of PKD in vascular remodeling (VR) in Spontaneously hypertensive rats (SHRs). Increased SBP, VR and PKD activation were prominent in SHRs. The SBP has a positive correlation with the activation of PKD in SHRs. The ratio of media to lumen (MT/LD), volume fraction of collagen (VFC), hydroxyproline, IL-6, TNF-α and nitrotyrosine content were significantly related to the activated PKD. It may be concluded that PKD plays a central role in VR, and the mechanism may be related to its regulation of hypertrophy, fibrosis, inflammation and oxidative stress...
May 21, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29779879/the-xmap215-ortholog-alp14-promotes-microtubule-nucleation-in-fission-yeast
#19
Ignacio Flor-Parra, Ana Belén Iglesias-Romero, Fred Chang
The organization and number of microtubules (MTs) in a cell depend on the proper regulation of MT nucleation. Currently, the mechanism of nucleation is the most poorly understood aspect of MT dynamics. XMAP215/chTOG/Alp14/Stu2 proteins are MT polymerases that stimulate MT polymerization at MT plus ends by binding and releasing tubulin dimers. Although these proteins also localize to MT organizing centers and have nucleating activity in vitro, it is not yet clear whether these proteins participate in MT nucleation in vivo...
May 10, 2018: Current Biology: CB
https://www.readbyqxmd.com/read/29779111/magnetosensitivity-of-e-coli-bacteria-in-the-presence-of-zinc-isotopes
#20
U G Letuta, D M Shailina
The combined effect of the zinc magnetic isotope 67 Zn and weak magnetic field 25-35 mT causes a 2-4-fold increase in the colony-forming ability of bacteria E. coli in comparison with the nonmagnetic isotopes 64, 66 Zn. The effects of magnetic field in the range of 2.2-8 mT were detected for all bacteria regardless of the zinc-isotope enrichment of the media. This indicates the sensitivity of intracellular processes to weak magnetic fields. An increase in the ATP concentration in E. coli cells was only detected for the bacteria grown on the medium with the magnetic zinc isotope in the range of 2...
March 2018: Doklady. Biochemistry and Biophysics
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