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https://www.readbyqxmd.com/read/28627872/xanthohumol-blocks-proliferation-and-migration-of-vascular-smooth-muscle-cells-in-vitro-and-reduces-neointima-formation-in-vivo
#1
Rongxia Liu, Elke H Heiss, Daniel Schachner, Baohong Jiang, Wanhui Liu, Johannes M Breuss, Verena M Dirsch, Atanas G Atanasov
Xanthohumol (1) is a principal prenylated chalcone found in hops. The aim of this study was to examine its influence on platelet-derived growth factor (PDGF)-BB-triggered vascular smooth muscle cell (VSMC) proliferation and migration in vitro and on experimentally induced neointima formation in vivo. Quantification of resazurin conversion indicated that 1 can inhibit PDGF-BB-induced VSMC proliferation concentration-dependently (IC50 = 3.49 μM). Furthermore, in a wound-healing assay 1 potently suppresses PDGF-BB-induced VSMC migration at 15 μM...
June 19, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28623347/updating-the-phylogenetic-dating-of-new-caledonian-biodiversity-with-a-meta-analysis-of-the-available-evidence
#2
Romain Nattier, Roseli Pellens, Tony Robillard, Hervé Jourdan, Frédéric Legendre, Maram Caesar, André Nel, Philippe Grandcolas
For a long time, New Caledonia was considered a continental island, a fragment of Gondwana harbouring old clades that originated by vicariance and so were thought to be locally ancient. Recent molecular phylogenetic studies dating diversification and geological data indicating important events of submergence during the Paleocene and Eocene (until 37 Ma) brought evidence to dismiss this old hypothesis. In spite of this, some authors still insist on the idea of a local permanence of a Gondwanan biota, justifying this assumption through a complex scenario of survival by hopping to and from nearby and now-vanished islands...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28616444/incidence-of-hepatitis-c-virus-infection-in-the-human-immunodeficiency-virus-outpatient-study-cohort-2000-2013
#3
Taraz Samandari, Ellen Tedaldi, Carl Armon, Rachel Hart, Joan S Chmiel, John T Brooks, Kate Buchacz
BACKGROUND: There are few recent studies of incident hepatitis C virus (HCV) infection among human immunodeficiency virus (HIV)-infected patients in the United States. METHODS: We studied HIV Outpatient Study (HOPS) participants seen in 9 HIV-specialty clinics who had ≥1 clinical encounter during 2000-2013 and ≥2 HCV-related tests, the first of which was a negative HCV antibody test (Ab). Hepatitis C virus incident cases were identified by first positive HCV Ab, viral load, or genotype...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28604654/postural-control-in-elite-decathlon-athletes-are-various-modes-of-dynamic-assessment-needed
#4
Sven Reuter, Philipp Forkel, Andreas B Imhoff, Knut Beitzel
BACKGROUND: Decathlon consists of various track and field running, jumping and throwing events. This results in high physical demands and poor postural control may predispose athletes at a higher risk for injury. The purpose of this study was to measure and to show a relationship of different dynamic postural control tests in healthy professional decathlon athletes. METHODS: The German top decathlon team (eight professional athletes, mean age±standard deviation (SD), 20...
July 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28602218/search-for-compounds-contributing-to-onion-like-off-flavor-in-beer-and-investigation-of-the-cause-of-the-flavor
#5
Shigekuni Noba, Nana Yako, Minoru Kobayashi, Susumu Masuda, Tetsuya Watanabe
Onion-like off-flavor is a highly undesirable property in beer. Although several compounds that impart onion-like odors have been identified, the individual contribution of these compounds to the onion-like off-flavor in beer is not clear. In the present study, we searched for compounds that impart an onion-like odor by gas chromatography (GC)-olfactometry. The analysis of several types of beer revealed that 2-mercapto-3-methyl-1-butanol (2M3MB) and 3-mercapto-3-methyl-1-butanol (3M3MB) were possible causative compounds...
June 8, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28596973/quadriceps-strength-in-patients-with-isolated-cartilage-defects-of-the-knee-results-of-isokinetic-strength-measurements-and-their-correlation-with-clinical-and-functional-results
#6
Anja Hirschmüller, Tasja Andres, Wolfgang Schoch, Heiner Baur, Lukas Konstantinidis, Norbert P Südkamp, Philipp Niemeyer
BACKGROUND: Recent studies have found a significant deficit of maximum quadriceps strength after autologous chondrocyte implantation (ACI) of the knee. However, it is unclear whether muscular strength deficits in patients with cartilage damage exist prior to operative treatment. PURPOSE: To isokinetically test maximum quadriceps muscle strength and quantify the impact of possible strength deficits on functional and clinical test results. STUDY DESIGN: Cross-sectional study; Level of evidence, 3...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28593088/the-associations-between-hip-strength-and-hip-kinematics-during-a-single-leg-hop-in-recreational-athletes-post-acl-reconstruction-compared-to-healthy-controls
#7
Jeremiah Tate, Tell Suckut, Jensen Wages, Heather Lyles, Benjamin Perrin
BACKGROUND: Only a small amount of evidence exists linking hip abductor weakness to dynamic knee valgus during static and dynamic activities. The associations of hip extensor strength and hip kinematics during the landing of a single leg hop are not known. Purpose: To determine if relationships exist between hip extensor and abductor strength and hip kinematics in both involved and uninvolved limb during the landing phase of a single leg hop in recreational athletes post anterior cruciate ligament (ACL) reconstruction...
June 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28587187/a-spawn-mobile-agent-itinerary-planning-approach-for-energy-efficient-data-gathering-in-wireless-sensor-networks
#8
Huthiafa Q Qadori, Zuriati A Zulkarnain, Zurina Mohd Hanapi, Shamala Subramaniam
Mobile agent (MA), a part of the mobile computing paradigm, was recently proposed for data gathering in Wireless Sensor Networks (WSNs). The MA-based approach employs two algorithms: Single-agent Itinerary Planning (SIP) and Multi-mobile agent Itinerary Planning (MIP) for energy-efficient data gathering. The MIP was proposed to outperform the weakness of SIP by introducing distributed multi MAs to perform the data gathering task. Despite the advantages of MIP, finding the optimal number of distributed MAs and their itineraries are still regarded as critical issues...
June 3, 2017: Sensors
https://www.readbyqxmd.com/read/28560482/integrated-in-silico-fragment-based-drug-design-case-study-with-allosteric-modulators-on-metabotropic-glutamate-receptor-5
#9
Yuemin Bian, Zhiwei Feng, Peng Yang, Xiang-Qun Xie
GPCR allosteric modulators target at the allosteric binding pockets of G protein-coupled receptors (GPCRs) with indirect influence on the effects of an orthosteric ligand. Such modulators exhibit significant advantages compared to the corresponding orthosteric ligands, including better chemical tractability or physicochemical properties, improved selectivity, and reduced risk of oversensitization towards their receptors. Metabotropic glutamate receptor 5 (mGlu5), a member of class C GPCRs, is a promising therapeutic target for treating many central nervous system diseases...
May 30, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28553879/the-relationship-between-lower-body-stiffness-and-injury-incidence-in-female-netballers
#10
Elizabeth C Pickering Rodriguez, Mark L Watsford, Rob G Bower, Aron J Murphy
The aim of this study was to provide contemporary information on injury rates in an elite and sub-elite netball population and to explore the relationship between lower body stiffness and lower body injuries. One elite and two sub-elite teams of female netballers (n = 29) performed the vertical hop test to assess active lower body stiffness (Kvert) and myometry to assess quasi-static stiffness. Lower body injuries were monitored via self-reporting and liaison with physiotherapists. Twelve lower body non-contact injuries were sustained by 10 players, equating to 11...
May 29, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28534847/low-power-multi-hop-networking-analysis-in-intelligent-environments
#11
Josu Etxaniz, Gerardo Aranguren
Intelligent systems are driven by the latest technological advances in many different areas such as sensing, embedded systems, wireless communications or context recognition. This paper focuses on some of those areas. Concretely, the paper deals with wireless communications issues in embedded systems. More precisely, the paper combines the multi-hop networking with Bluetooth technology and a quality of service (QoS) metric, the latency. Bluetooth is a radio license-free worldwide communication standard that makes low power multi-hop wireless networking available...
May 19, 2017: Sensors
https://www.readbyqxmd.com/read/28528435/benefits-of-a-regular-vs-irregular-rhythm-based-training-programme-on-physical-fitness-and-motor-skills-in-obese-girls
#12
Ghazi Racil, Wassim Elmontassar, Imen Rommene, Claire Tourny, Anis Chaouachi, Jeremy B Coquart
PURPOSE: The aim of the current study was to examine the impact of a physical exercise programme including rhythmic elements (regular and irregular tempos) on physiological variables, motor skills (MS), and jump performances in obese girls. METHODS: Thirty-six obese girls (age: 10.4 ± 0.9 years, body mass: 58.7 ± 4.0 kg, height: 1.37 ± 0.04 m, body mass index: 31.2 ± 2.1) participated in three weekly physical exercise sessions for 6 weeks, with each session consisting of basic fundamental locomotor movements...
May 20, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28515975/prospective-functional-performance-testing-and-relationship-to-lower-extremity-injury-incidence-in-adolescent-sports-participants
#13
Joseph Smith, Nick DePhillipo, Iris Kimura, Morgan Kocher, Ronald Hetzler
BACKGROUND: Due to the high number of adolescent athletes and subsequent lower extremity injuries, improvements of injury prevention strategies with emphasis on clinic-based and practical assessments are warranted. PURPOSE: The purpose of this study was to prospectively investigate if a battery of functional performance tests (FPT) could be used as a preseason-screening tool to identify adolescent athletes at risk for sports-related acute lower extremity injury via comparison of injured and uninjured subjects...
April 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28515973/intra-rater-reliability-of-the-multiple-single-leg-hop-stabilization-test-and-relationships-with-age-leg-dominance-and-training
#14
Leanne Sawle, Jennifer Freeman, Jonathan Marsden
BACKGROUND: Balance is a complex construct, affected by multiple components such as strength and co-ordination. However, whilst assessing an athlete's dynamic balance is an important part of clinical examination, there is no gold standard measure. The multiple single-leg hop-stabilization test is a functional test which may offer a method of evaluating the dynamic attributes of balance, but it needs to show adequate intra-tester reliability. PURPOSE: The purpose of this study was to assess the intra-rater reliability of a dynamic balance test, the multiple single-leg hop-stabilization test on the dominant and non-dominant legs...
April 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28515972/determination-of-clinically-relevant-differences-in-frontal-plane-hop-tests-in-women-s-collegiate-basketball-and-soccer-players
#15
Kelly Hardesty, Eric J Hegedus, Kevin R Ford, Anh-Dung Nguyen, Jeffrey B Taylor
BACKGROUND: ACL injury prevention programs are less successful in female basketball players than in soccer players. Previous authors have identified anthropometric and biomechanical differences between the athletes and different sport-specific demands, including a higher frequency of frontal plane activities in basketball. Current injury risk screening and preventive training practices do not place a strong emphasis on frontal plane activities. The medial and lateral triple hop for distance tests may be beneficial for use in the basketball population...
April 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28498235/hospital-minimally-invasive-surgery-utilization-for-gastrointestinal-cancer
#16
Meredith C Mason, Hop S Tran Cao, Samir S Awad, Farhood Farjah, George J Chang, Nader N Massarweh
OBJECTIVE: The aim of the study was to evaluate the impact of receiving care at high minimally invasive surgery (MIS)-utilizing hospitals BACKGROUND:: MIS techniques are used across surgical specialties. The extent of MIS utilization for gastrointestinal (GI) cancer resection and impact of receiving care at high utilizing hospitals is unclear. METHODS: This is a retrospective cohort study of 137,581 surgically resected esophageal, gastric, pancreatic, hepatobiliary, colon, and rectal cancer patients within the National Cancer Data Base (2010-2013)...
May 11, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28490908/effects-of-prophylactic-ankle-and-knee-braces-on-leg-stiffness-during-hopping
#17
Hiroaki Hobara, Satoru Hashizume, Yoshiyuki Kobayashi
During human movement, the leg can be represented as a mechanical spring, with its stiffness potentially contributing to sports performance and injury prevention. Although many individuals perform athletic activities with joint stabilizers, little is known about the effects of prophylactic lower extremity braces on leg stiffness. The objective of this study was to investigate the effect of ankle and/or knee braces on leg stiffness measured during one-legged hopping at a range of frequencies. Thirteen male participants performed one-legged hopping with their dominant leg at frequencies of 2...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28482151/trisubstituted-imidazoles-with-a-rigidized-hinge-binding-motif-act-as-single-digit-nm-inhibitors-of-clinically-relevant-egfr-l858r-t790m-and-l858r-t790m-c797s-mutants-an-example-of-target-hopping
#18
Michael Juchum, Marcel Günther, Eva Döring, Adrian Sievers-Engler, Michael Lämmerhofer, Stefan Laufer
The high genomic instability of non-small cell lung cancer tumors leads to the rapid development of resistance against promising EGFR tyrosine kinase inhibitors (TKIs). A recently detected triple mutation compromises the activity of the gold standard third-generation EGFR inhibitors. We have prepared a set of trisubstituted imidazoles with a rigidized 7-azaindole hinge binding motif as a new structural class of EGFR inhibitors by a target hopping approach from p38α MAPK inhibitor templates. On the basis of an iterative approach of docking, compound preparation, biological testing, and SAR interpretation, robust and flexible synthetic routes were established...
May 23, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28480649/regional-difference-of-causative-pollen-in-children-with-allergic-rhinitis
#19
Myongsoon Sung, Sung Won Kim, Jeong Hee Kim, Dae Hyun Lim
The aim of this study was to investigate role of common pollen in Korean school-aged children with allergic rhinitis (AR) in 5 provinces (Incheon Metropolitan City-Gyeonggi Province, Chungcheongbuk-do, Gwangju Metropolitan City, Busan Metropolitan City, and Jeju Special Self-Governing Province), using a questionnaire and skin prick test, and to assess the differences among the residential regions. Among the enrolled 14,678 total children, 1,641 (22.0%) had AR. The sensitization rate to pollen (38.7%) was the second highest among examined allergens and significant differences were in the sensitization rates to trees, weeds, and grasses among the 5 provinces (P < 0...
June 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28474170/muscle-function-in-osteogenesis-imperfecta-type-iv
#20
Louis-Nicolas Veilleux, Vasiliki B Darsaklis, Kathleen Montpetit, Francis H Glorieux, Frank Rauch
Results of previous studies suggest that children and adolescents with osteogenesis imperfecta (OI) type IV have muscle force deficits. However, muscle function remains to be objectively quantified in this population. This study aimed to assess upper and lower extremity muscle function in patients with OI type IV. It was carried out in the outpatient department of a pediatric orthopedic hospital; 27 individuals with OI type IV (7-21 years; 13 males), 27 age- and sex-matched individuals with OI type I, and 27 age- and sex-matched controls...
May 4, 2017: Calcified Tissue International
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