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https://www.readbyqxmd.com/read/28646092/deletion-analysis-of-agd1-reveals-domains-crucial-for-its-plasma-membrane-recruitment-and-function-in-root-hair-polarity
#1
Cheol-Min Yoo, Satoshi Naramoto, J Alan Sparks, Bibi Rafeiza Khan, Jin Nakashima, Hiroo Fukuda, Elison B Blancaflor
AGD1, a plant ACAP-type ADP-ribosylation factor-GTPase activating protein (ARF-GAP), functions in specifying root hair polarity in Arabidopsis thaliana To better understand how AGD1 modulates root hair growth, we generated full length and domain-deleted AGD1-green fluorescent protein (GFP) constructs, and followed their localization during root hair development. AGD1-GFP localized to the cytoplasm and was recruited to specific regions of the root hair plasma membrane (PM). Distinct PM AGD1-GFP signal was first detected along the site of root hair bulge formation...
June 23, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28584202/feasibility-of-atrial-autocapture%C3%A2-to-detect-atrial-evoked-response-experience-from-102-patients-implanted-with-dual-chamber-pacemakers
#2
Hai-Long Si, Qin Qin, Bing-Rang Zhao, Gang Chen, Ya-Ru Lu, Lu Kou, Jing-Yu Yang, Wen-Hua Lin, Zi-Wen Ren
BACKGROUND: Atrial AutoCapture™ (ACap™) was a new technological development that confirmed atrial capture by analyzing evoked response (ER) with a new method - paced depolarization integral ER detection - and optimized energy output to changes in the stimulation threshold. The purpose of this study was to evaluate the clinical performance of ACap™ function. METHODS: This was a prospective, observational, nonrandomized two-center study. Between November 2008 and August 2014, 102 patients were enrolled from two different institutions...
June 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28571103/epidemiology-and-outcomes-of-missing-admission-medication-history-in-severe-trauma-a-retrospective-study
#3
Matthew Miller, Richard Morris, Nicoletta Fisicaro, Kate Curtis
OBJECTIVE: Anticoagulant and antiplatelet (ACAP) drugs are associated with increased mortality in trauma patients, therefore medication history on admission is important. Whether these medications are recorded on trauma admission has not been investigated, nor if absence of a medication history is associated with worse patient outcomes. METHODS: We conducted a retrospective database review combining demographic and outcome data from the St George Hospital (Sydney) trauma registry with admission medication history in the electronic record...
June 1, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28541850/repeat-head-ct-not-necessary-for-patients-with-a-negative-initial-head-ct-on-anticoagulation-or-antiplatelet-therapy-suffering-low-altitude-falls
#4
Zachary M Bauman, John M Ruggero, Sunny Squindo, Chris McEachin, Michelle Jaskot, Will Ngo, Scott Barnes, Peter P Lopez
Anticoagulation and antiplatelet (ACAP) medications are increasingly prescribed to patients at high risk for falls. Many trauma centers have developed protocols for obtaining repeat head CT (HCT) for patients with low-altitude falls on ACAP therapy. We assess the need for routine scheduled repeat HCT in this population. Prospective, observational analysis of all low-altitude fall (<6 feet) patients on ACAP therapy evaluated at a Level II trauma center. All low-altitude fall patients with visible or suspected head trauma received an initial HCT...
May 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28470376/sublethal-effects-in-perinereis-gualpensis-polychaeta-nereididae-exposed-to-mercury-pyrene-sediment-mixture-observed-in-a-multipolluted-estuary
#5
M Díaz-Jaramillo, K S B Miglioranza, P Carriquiriborde, D Marino, C N Pegoraro, G Valenzuela, R Barra
Sediment-living organisms can be subjected to a multi-pollution condition due to an increase in the diversity of contaminants. Sediment mixtures of Mercury (Hg) and some polycyclic aromatics hydrocarbons like Pyrene (Pyr) are common in heavily industrialized coastal zones. In the present study, greater than (>) and less than (<) probable effect concentration levels (PELs) of Hg and Pyr were assessed using spiked sediments in order to determine combined (Hg + Pyr) effects in uptake, metabolization and oxidative balance in the polychaete Perinereis gualpensis at short and medium-term exposure...
May 3, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28416982/automatic-atrial-capture-device-control-in-real-life-practice-a-multicenter-experience
#6
Massimo Giammaria, Gianluca Quirino, Mariangela Alberio, Umberto Parravicini, Eliana Cipolla, Guido Rossetti, Antonio Ruocco, Gaetano Senatore, Francesco Rametta, Paolo Pistelli
BACKGROUND: Device-based fully automatic pacing capture detection is useful in clinical practice and important in the era of remote care management. The main objective of this study was to verify the effectiveness of the new ACAP Confirm® algorithm in managing atrial capture in the medium term in comparison with early post-implantation testing. METHODS: Data were collected from 318 patients (66% male; mean age, 73±10 years); 237 of these patients underwent device implantation and 81 box changes in 31 Italian hospitals...
April 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28009599/a-national-curriculum-of-fundamental-skills-for-plastic-surgery-residency-report-of-the-inaugural-acaps-boot-camp
#7
Edward H Davidson, Jenny C Barker, Francesco M Egro, Alexandra Krajewski, Jeffrey E Janis, Vu T Nguyen
BACKGROUND: The Inaugural American Council of Academic Plastic Surgeons Plastic Surgery Boot Camp program was developed in response to ongoing changes in graduate medical education. The Boot Camp is a hands-on, practicum-based, 3-day course to introduce core concepts in plastic surgery for new plastic surgery residents (in both integrated and independent tracks). METHODS: The course was held in Pittsburgh in July to August 2015. There were 43 attendees (35 integrated/8 independent) representing 22 residency programs across 15 states...
February 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27916764/serotonergic-system-does-not-contribute-to-the-hypothermic-action-of-acetaminophen
#8
Akihiro Fukushima, Wakana Sekiguchi, Kizuku Mamada, Yumi Tohma, Hideki Ono
Acetaminophen (AcAP), a widely-used antipyretic and analgesic drug, has been considered to exert its effects via central mechanisms, and many studies have demonstrated that the analgesic action of AcAP involves activation of the serotonergic system. Although the serotonergic system also plays an important role in thermoregulation, the contribution of serotonergic activity to the hypothermic effect of AcAP has remained unclear. In the present study, we examined whether the serotonergic system is involved in AcAP-induced hypothermia...
February 1, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27906609/glyphosate-adversely-affects-danio-rerio-males-acetylcholinesterase-modulation-and-oxidative-stress
#9
Fernanda Moreira Lopes, Sergiane Souza Caldas, Ednei Gilberto Primel, Carlos Eduardo da Rosa
It has been demonstrated that glyphosate-based herbicides are toxic to animals. In the present study, reactive oxygen species (ROS) generation, antioxidant capacity against peroxyl radicals (ACAP), and lipid peroxidation (LPO), as well as the activity and expression of the acetylcholinesterase (AChE) enzyme, were evaluated in Danio rerio males exposed to 5 or 10 mg/L of glyphosate for 24 and 96 h. An increase in ACAP in gills after 24 h was observed in the animals exposed to 5 mg/L of glyphosate. A decrease in LPO was observed in brain tissue of animals exposed to 10 mg/L after 24 h, while an increase was observed in muscle after 96 h...
April 2017: Zebrafish
https://www.readbyqxmd.com/read/27783013/medical-student-mentorship-in-plastic-surgery-the-mentor-s-perspective
#10
COMPARATIVE STUDY
Jeffrey E Janis, Jenny C Barker
BACKGROUND: The reproducible benefits of mentoring to mentees have been studied extensively. However, insights from the mentor perspective are less well described. This study evaluates mentorship of plastic surgery medical students from the attending surgeon's perspective. A comparison is made with a previous publication evaluating mentorship from the medical student's perspective. METHODS: An electronic survey was sent to 1025 active members of the American Council of Academic Plastic Surgeons (ACAPS) and the American Association of Plastic Surgeons (AAPS), with a combined response rate of 23 percent...
November 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27750093/effects-of-the-herbicide-roundup-on-the-polychaeta-laeonereis-acuta-cholinesterases-and-oxidative-stress
#11
Fábio de Melo Tarouco, Filipe Guilherme Andrade de Godoi, Robson Rabelo Velasques, Amanda da Silveira Guerreiro, Marcio Alberto Geihs, Carlos Eduardo da Rosa
Glyphosate based herbicides, including Roundup, are widely employed in agriculture and urban spaces. The objective of this study was to evaluate the toxicological effects of Roundup on the estuarine polychaeta Laeonereis acuta. Biomarkers of oxidative stress as well as acetylcholinesterase and propionilcholinesterase activities were analyzed. Firstly, the LC50 96h for L. acuta was established (8.19mg/L). After, the animals were exposed to two Roundup concentrations: 3.25mg/L (non-observed effect concentration - NOEC) and 5...
January 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/27429116/oxidative-status-of-the-myocardium-in-response-to-different-intensities-of-physical-training
#12
L F Guerreiro, A M Rocha, C N Martins, J P Ribeiro, C Wally, D L Strieder, C G Carissimi, M G Oliveira, A A Pereira, H S Biondi, J M Monserrat, C An Gonçalves
The intensity of exercise determines the metabolic pathway and the energetic substrate that is spent. Our study sought to identify the effects of different intensities of swimming on myocardial oxidative status and the blood lipid profile. Eighty Wistar rats (male and female) submitted to different intensities of a swimming regimen (low, LS; moderate, MS; or high, HS) for 16 weeks. Samples of blood and myocardium from the left ventricle were collected to determine lipid profiles and oxidative status. Reactive oxygen species (ROS) and antioxidant capacity against peroxyl radicals (ACAP), lipid profiles and lipid peroxidation was analyzed...
November 23, 2016: Physiological Research
https://www.readbyqxmd.com/read/27394943/effect-of-calving-process-on-the-outcomes-of-delivery-and-postpartum-health-of-dairy-cows-with-unassisted-and-assisted-calvings
#13
L Kovács, F L Kézér, O Szenci
Welfare aspects of obstetrical assistance were studied in multiparous Holstein-Friesian cows (n=176) with (1) unassisted calving in an individual pen (UCIP; n=42), (2) unassisted calving in a group pen (UCG; n=48), (3) assisted calving with appropriately timed obstetrical assistance (ACAP; n=50), and (4) assisted calving with inappropriately timed (premature) obstetrical assistance (ACIN; n=36). Duration of the stages of calving, the prevalence and the degree of dystocia, stillbirth ratio, newborn calf vitality, and the occurrence of postpartum health problems (i...
September 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27330119/acap3-regulates-neurite-outgrowth-through-its-gap-activity-specific-to-arf6%C3%A2-in-mouse-hippocampal-neurons
#14
Yuki Miura, Tsunaki Hongu, Yohei Yamauchi, Yuji Funakoshi, Naohiro Katagiri, Norihiko Ohbayashi, Yasunori Kanaho
ACAP3 (ArfGAP with coiled-coil, ankyrin repeat and pleckstrin homology domains 3) belongs to the ACAP family of GAPs (GTPase-activating proteins) for the small GTPase Arf (ADP-ribosylation factor). However, its specificity to Arf isoforms and physiological functions remain unclear. In the present study, we demonstrate that ACAP3 plays an important role in neurite outgrowth of mouse hippocampal neurons through its GAP activity specific to Arf6. In primary cultured mouse hippocampal neurons, knockdown of ACAP3 abrogated neurite outgrowth, which was rescued by ectopically expressed wild-type ACAP3, but not by its GAP activity-deficient mutant...
September 1, 2016: Biochemical Journal
https://www.readbyqxmd.com/read/27315435/roundup-%C3%A2-in-zebrafish-effects-on-oxidative-status-and-gene-expression
#15
Robson Rabelo Velasques, Juliana Zomer Sandrini, Carlos Eduardo da Rosa
The objective of the present study was to determine the effects of Roundup on oxidative status in adult Danio rerio liver and gills. Reactive oxygen species (ROS) and antioxidant capacity (ACAP) were measured in fish after exposure to Roundup (5 and 10 mg/L) for 24, 48, 72, and 96 h. Furthermore, gene expression related to antioxidant response was evaluated after 24 and 96 h. In gills, an increase in ACAP was observed after 96 h in the highest concentration. In the liver, a reduction in ROS and ACAP was observed after 24 h, whereas an increase in ACAP was observed after 48 h in the highest concentration...
October 2016: Zebrafish
https://www.readbyqxmd.com/read/27273966/molecular-assays-in-detecting-egfr-gene-aberrations-an-updated-her2-dependent-algorithm-for-interpreting-gene-signals-a-short-technical-report
#16
REVIEW
Evangelos Tsiambas, Vasileios Ragos, Alicia Y Lefas, Stavros N Georgiannos, Dimitrios N Rigopoulos, Georgios Georgakopoulos, Athanasios Stamatelopoulos, Dimitra Grapsa, Konstantinos Syrigos
Purpose: Among oncogenes that have already been identified and cloned, Epidermal Growth Factor Receptor (EGFR) remains one of the most significant. Understanding its deregulation mechanisms improves critically patients' selection for personalized therapies based on modern molecular biology and oncology guidelines. Anti-EGFR targeted therapeutic strategies have been developed based on specific genetic profiles and applied in subgroups of patients suffering by solid cancers of different histogenetic origin. Detection of specific EGFR somatic mutations leads to tyrosine kinase inhibitors (TKIs) application in subsets of them...
March 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/27017137/uptake-metabolism-and-sub-lethal-effects-of-bde-47-in-two-estuarine-invertebrates-with-different-trophic-positions
#17
M Díaz-Jaramillo, K S B Miglioranza, M Gonzalez, E Barón, J M Monserrat, E Eljarrat, D Barceló
Two microcosm types -sediment-biota and biota-biota- were constructed to simulate different pathways of BDE-47 uptake, metabolism and oxidative stress effects in two key estuarine invertebrates (polychaete Laeonereis acuta and crab Cyrtograpsus angulatus). In the sediment-biota experiment, both species were exposed to spiked sediments; an environmentally reported and a high concentration of BDE-47 for 2 weeks. In the biota-biota experiment, crabs were fed with polychaetes pre-exposed to BDE-47 in the sediment-biota experiment...
June 2016: Environmental Pollution
https://www.readbyqxmd.com/read/26980113/glyphosate-based-herbicide-exposure-causes-antioxidant-defence-responses-in-the-fruit-fly-drosophila-melanogaster
#18
Lais Mattos de Aguiar, Fernanda Hernandes Figueira, Marco Silva Gottschalk, Carlos Eduardo da Rosa
Glyphosate is a non-selective and post-emergent herbicide that affects plant growth. Animal exposure to this herbicide can lead to adverse effects, such as endocrine disruption, oxidative stress and behavioural disorders. Drosophilids have been utilized previously as an effective tool in toxicological tests. In the present study, the effects of a glyphosate-based herbicide (Roundup [Original]) were investigated regarding oxidative stress, the antioxidant defence system and acetylcholinesterase (AChE) activity in Drosophila melanogaster...
July 2016: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/26831792/-in-vitro-selected-macrocyclic-peptides-tools-for-regulating-the-conformational-freedom-of-transmembrane-proteins
#19
REVIEW
Christopher John Hipolito, Kosuke Nishio, Hiroaki Suga
Membrane proteins allow a cell to communicate with its environment by relaying a signal or transporting a molecule through the cell membrane. Elucidation of the three-dimensional structure of a membrane protein provides a greater understanding of its function and mechanisms. Ultimately, this knowledge will enlighten researchers on how these proteins can be regulated to elicit a desired cellular response, which could lead to novel therapeutic medicine. Unfortunately, the determination of the high-resolution crystal structures of transmembrane proteins remains a challenge due to their poor solubility and high conformational flexibility...
2016: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/26725004/effects-of-cryotherapy-combined-with-therapeutic-ultrasound-on-oxidative-stress-and-tissue-damage-after-musculoskeletal-contusion-in-rats
#20
C N Martins, M B Moraes, M Hauck, L F Guerreiro, D D Rossato, A S Varela, C E da Rosa, L U Signori
OBJECTIVE: To investigate the combined effects of cryotherapy and pulsed ultrasound therapy (PUT) on oxidative stress parameters, tissue damage markers and systemic inflammation after musculoskeletal injury. DESIGN: Experimental animal study. SETTING: Research laboratory. PARTICIPANTS: Seventy male Wistar rats were divided into five groups: control, lesion, cryotherapy, PUT, and cryotherapy+PUT. INTERVENTIONS: The gastrocnemius muscle was injured by mechanical crushing...
December 2016: Physiotherapy
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