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https://www.readbyqxmd.com/read/29347912/genome-wide-analysis-of-the-potato-hsp20-gene-family-identification-genomic-organization-and-expression-profiles-in-response-to-heat-stress
#1
Peng Zhao, Dongdong Wang, Ruoqiu Wang, Nana Kong, Chao Zhang, Chenghui Yang, Wentao Wu, Haoli Ma, Qin Chen
BACKGROUND: Heat shock proteins (Hsps) are essential components in plant tolerance mechanism under various abiotic stresses. Hsp20 is the major family of heat shock proteins, but little of Hsp20 family is known in potato (Solanum tuberosum), which is an important vegetable crop that is thermosensitive. RESULTS: To reveal the mechanisms of potato Hsp20s coping with abiotic stresses, analyses of the potato Hsp20 gene family were conducted using bioinformatics-based methods...
January 18, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29345010/genetic-variation-in-the-shape-of-cold-survival-curves-in-a-single-fly-population-suggests-potential-for-selection-from-climate-variability
#2
Nicholas M Teets, Daniel A Hahn
Temperature variation is one of the primary challenges facing ectotherms, and the ability to tolerate a range of thermal environments is critical for setting current and future species distributions. Low temperature is particularly challenging for ectotherms because winter conditions have strong latitudinal and temporal variation. Lower lethal temperature (LLT) is a common metric of cold tolerance used in studies of local adaptation and plasticity. Comparisons of LLT across groups typically assume parallel S-shaped survival curves, but genetic variation in the shape of survival vs...
January 18, 2018: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29344912/capillary-leak-syndrome-as-a-complication-of-antibody-mediated-rejection-treatment-a-case-report
#3
Juan C Ramirez-Sandoval, Ricardo Varela-Jimenez, Luis E Morales-Buenrostro
We report a case of capillary leak that developed during treatment of antibody-mediated rejection in a kidney transplant recipient. A 53-year-old female transplant recipient experienced an increase in serum creatinine from 1.1 to 1.8 mg/dL. Antibody-mediated rejection was diagnosed by graft biopsy. She was treated with five plasmapheresis sessions (on alternate days with albumin replacement), five doses of immunoglobulin (5 g/dose at 100 mg/kg), a single dose of rituximab (500 mg), and four doses of bortezomib on days 1, 4, 7, and 10 (1...
January 17, 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29342991/-an-analysis-of-clinical-characteristics-and-acute-treatment-of-supraventricular-tachycardia-in-children-from-a-multicenter-study
#4
X M Li, H Y Ge, X Q Liu, L Shi, B J Guo, M T Li, H Jiang, Y Zhang, H J Liu, X C Zheng, A J Li, Y Y Zhang
Objective: The study assessed the clinical characteristics and response to acute intravenous antiarrhythmic drug therapy of supraventricular tachycardia (SVT) in children. Methods: This was a multicenter prospective descriptive study including 257 children from First Hospital of Tsinghua University, Peking University First Hospital, Children's Hospital Affiliated to Capital Institute of Pediatrics and Beijing Anzhen Hospital who received intravenous antiarrhythmic drug therapy for SVT from July 2014 to February 2017...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29331437/influence-of-operator-experience-and-pci-volume-on-transfemoral-access-techniques-a-collaboration-of-international-cardiovascular-societies
#5
Daniel W Nelson, Abdulla A Damluji, Nish Patel, Marco Valgimigli, Stephan Windecker, Robert Byrne, James Nolan, Tejas Patel, Emmanouil Brilakis, Subhash Banerjee, Jorge Mayol, Warren J Cantor, Carlos E Alfonso, Sunil V Rao, Mauro Moscucci, Mauricio G Cohen
INTRODUCTION: Transfemoral access (TFA) is widely used for coronary angiography and percutaneous coronary intervention (PCI). The influence of operator age, gender, experience, and procedural volume on performance of femoral arterial access has not been studied. METHODS: A survey instrument was developed and distributed via e-mail from professional societies to interventional cardiologists worldwide from March to December 2016. RESULTS: A total of 988 physicians from 88 countries responded to the survey...
December 27, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29325453/age-related-lung-tissue-remodeling-due-to-the-local-distribution-of-mmp-2-timp-2-tgf-%C3%AE-and-hsp70
#6
Z Vitenberga, M Pilmane
Lung tissue remodeling requires complex interactions of matrix metalloproteinases (MMPs), tissue inhibitors of metalloproteinases (TIMPs), transforming growth factor (TGF) family and heat shock protein 70 (Hsp70). We evaluated the appearance and distribution of MMP-2, TIMP-2, TGF-β1 and Hsp70 in lung tissue using immunohistochemistry. Stained structures were graded semiquantitatively. Overall, more MMP-2, TIMP-2, TGF-β1 and Hsp70 were observed in bronchial cartilage, bronchial and alveola repithelium, and among alveolar macrophages...
January 12, 2018: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29301599/experimental-study-on-the-protection-of-agrimony-extracts-from-different-extracting-methods-against-cerebral-ischemia-reperfusion-injury
#7
Hui-Yuan Zhu, Yu-Long Bie, Jiang Wang, Jing Gao, Bing-Yue Yang, Hai-Tong Wan
Objective To study the protective effect of agrimony extracts from different extracting methods on cerebral ischemia-reperfusion injury in rats, in order to optimize the extraction scheme of agrimony. Methods Male rats were randomly assigned into seven groups: 1. Sham-operated group, 2. Untreated MCAO group (MCAO), 3. Petroleum ether extract of Agrimonia pilosa treated MCAO group (PEA), 4. Ethyl acetate extract of Agrimonia pilosa treated MCAO group (EAEA), 5. Ethanol extract of Agrimonia pilosa treated MCAO group (EEA), 6...
December 30, 2017: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/29300230/predictors-of-outcomes-in-myocardial-infarction-and-cardiogenic-shock
#8
Deepak Acharya
Myocardial infarction (MI) complicated by cardiogenic shock (CS) is a major cause of cardiovascular morbidity and mortality. Predictors of outcomes in AMI-CS include clinical, laboratory, radiologic variables, as well as management strategies. This article reviews the existing literature on short- and long-term predictors and risk stratification in MI complicated by CS.This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited...
January 3, 2018: Cardiology in Review
https://www.readbyqxmd.com/read/29282865/membrane-localization-of-a-myb3-transcription-factor-regulated-by-a-tvcyp1-cyclophilin-in-the-parasitic-protozoan-trichomonas-vaginalis
#9
Chien-Hsin Chu, Yu-Hsin Huang, Hsing-Wei Liu, Hong-Ming Hsu, Jung-Hsiang Tai
In Trichomonas vaginalis, a TvCyP1 cyclophilin was previously demonstrated to regulate the nuclear translocation of Myb1 and Myb3, which respectively repress and activate transcription of an adhesion protein ap65-1 gene. In the present study, TvCyP1 was found to bind to Myb3 at sites spanning 54 Gly-Pro55 and 72 Gly-Pro73 with differential affinities. When Gly54 and Gly72 in Myb3 were both mutated, the mutant protein was restrained on outer membranes of hydrogenosomes and some cytoplasmic vesicles. In purified Myb3 protein complex, a high-molecular-weight Myb3-interacting protein (Myb3IPhmw ) and a 72-kDa heat shock protein (TvHSP72) were identified and characterized, with direct binding of Myb3 to Myb3IPhmw and TvHSP72 confirmed in vitro...
December 28, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29282149/the-effect-of-angiotensin-ii-on-blood-pressure-in-patients-with-circulatory-shock-a-structured-review-of-the-literature
#10
Laurence W Busse, Michael T McCurdy, Osman Ali, Anna Hall, Huaizhen Chen, Marlies Ostermann
BACKGROUND: Circulatory shock is a common syndrome with a high mortality and limited therapeutic options. Despite its discovery and use in clinical and experimental settings more than a half-century ago, angiotensin II (Ang II) has only been recently evaluated as a vasopressor in distributive shock. We examined existing literature for associations between Ang II and the resolution of circulatory shock. METHODS: We searched PubMed, MEDLINE, Ovid, and Embase to identify all English literature accounts of intravenous Ang II in humans for the treatment of shock (systolic blood pressure [SBP] ≤ 90 mmHg or a mean arterial pressure [MAP] ≤ 65 mmHg), and hand-searched the references of extracted papers for further studies meeting inclusion criteria...
December 28, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29280962/selection-of-a-very-active-microbial-community-for-the-coupled-treatment-of-tetramethylammonium-hydroxide-and-photoresist-in-aqueous-solutions
#11
Giulio Moretti, Federica Matteucci, Matteo Saraullo, Francesco Vegliò, Maddalena Del Gallo
Aerobic treatment of wastewater containing Tetramethylammonium hydroxide (TMAH) and photoresist was investigated using a lab scale reactor inoculated with activated sludge coming from urban wastewater treatment that never received TMAH before. The consumption of TMAH was monitored by liquid ion chromatography. Biodiversity indices were calculated from Denaturing Gradient Gel Electrophoresis (DGGE) bands distribution and used to estimate changes in community composition related to adaptation to the new feeding compound...
December 27, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29258569/leishmania-braziliensis-scd6-and-rbp42-proteins-two-factors-with-rna-binding-capacity
#12
Paola A Nocua, Cesar A Ramirez, José M Requena, Concepción J Puerta
BACKGROUND: The study of RNA binding proteins (RBPs) is of great relevance for understanding processes like post-transcriptional control of gene expression. The post-transcriptional mechanisms are particularly important in Leishmania parasites and related trypanosomatids since transcriptional regulation is almost absent in them. Thus, RBPs should be essential during the development of these parasites and for survival strategies against the adverse conditions that they face during their life-cycle...
December 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29258441/comparative-transcriptome-analysis-of-glyphodes-pyloalis-walker-lepidoptera-pyralidae-reveals-novel-insights-into-heat-stress-tolerance-in-insects
#13
Yuncai Liu, Hang Su, Rongqiao Li, Xiaotong Li, Yusong Xu, Xiangping Dai, Yanyan Zhou, Huabing Wang
BACKGROUND: Heat tolerance is a key parameter that affects insect distribution and abundance. Glyphodes pyloalis Walker (Lepidoptera: Pyralidae) is a devastating pest of mulberry in the main mulberry-growing regions and can cause tremendous losses to sericulture by directly feeding on mulberry leaves and transmitting viruses to Bombyx mori. Moreover, G. pyloalis shows a prominent capacity for adaptation to daily and seasonal temperature fluctuations and can survive several hours under high temperature...
December 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29245231/higher-efficacy-of-direct-hemoperfusion-using-coated-activated-charcoal-column-for-disopyramide-poisoning-a-case-report
#14
Shigekazu Iguchi, Naotaka Yamaguchi, Hiroki Takami, Takayuki Komatsu, Hirokazu Ookubo, Hajime Sekii, Kenji Inoue, Shinya Okazaki, Iwao Okai, Sonomi Maruyama, Tomohisa Nomura, Manabu Sugita
RATIONALE: Cases of severe disopyramide poisoning are rare and few have been reported. We report a case in which activated-charcoal column hemoperfusion was dramatically effective for life-threatening disopyramide poisoning. PATIENT CONCERNS: A teenage girl who had overdosed on disopyramide (total dose, 4950 mg) was brought to our hospital. She was resuscitated from short period cardiopulmonary arrest and subsequently showed severe cardiogenic shock and ventricular arrhythmia...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29219022/effectiveness-of-radiofrequency-hyperthermia-for-treating-cartilage-in-guinea-pigs-with-primary-osteoarthritis
#15
Kenji Takahashi, Hiroshi Nakamura, Hitoshi Ozawa, Sanshiro Hashimoto, Norio Iijima, Shimpei Higo, Hiroshi Watanabe, Yusuke Mochizuki, Shinro Takai
Objective Autophagy was reported to be essential for maintaining chondrocyte function, and reduced autophagy leads to osteoarthritis (OA). Previous studies showed involvement of heat shock stress in the control of autophagy in cells. This study sought to investigate the effect of hyperthermia on the expression of autophagy-related proteins in articular cartilage and the progression of naturally occurring OA in Hartley guinea pigs. Design Radiofrequency pulses of 13.56 MHz were applied to the animals' knees for 20 minutes to induce hyperthermia...
January 2018: Cartilage
https://www.readbyqxmd.com/read/29211720/blazar-spectral-variability-as-explained-by-a-twisted-inhomogeneous-jet
#16
C M Raiteri, M Villata, J A Acosta-Pulido, I Agudo, A A Arkharov, R Bachev, G V Baida, E Benítez, G A Borman, W Boschin, V Bozhilov, M S Butuzova, P Calcidese, M I Carnerero, D Carosati, C Casadio, N Castro-Segura, W-P Chen, G Damljanovic, F D'Ammando, A Di Paola, J Echevarría, N V Efimova, Sh A Ehgamberdiev, C Espinosa, A Fuentes, A Giunta, J L Gómez, T S Grishina, M A Gurwell, D Hiriart, H Jermak, B Jordan, S G Jorstad, M Joshi, E N Kopatskaya, K Kuratov, O M Kurtanidze, S O Kurtanidze, A Lähteenmäki, V M Larionov, E G Larionova, L V Larionova, C Lázaro, C S Lin, M P Malmrose, A P Marscher, K Matsumoto, B McBreen, R Michel, B Mihov, M Minev, D O Mirzaqulov, A A Mokrushina, S N Molina, J W Moody, D A Morozova, S V Nazarov, M G Nikolashvili, J M Ohlert, D N Okhmat, E Ovcharov, F Pinna, T A Polakis, C Protasio, T Pursimo, F J Redondo-Lorenzo, N Rizzi, G Rodriguez-Coira, K Sadakane, A C Sadun, M R Samal, S S Savchenko, E Semkov, B A Skiff, L Slavcheva-Mihova, P S Smith, I A Steele, A Strigachev, J Tammi, C Thum, M Tornikoski, Yu V Troitskaya, I S Troitsky, A A Vasilyev, O Vince
Blazars are active galactic nuclei, which are powerful sources of radiation whose central engine is located in the core of the host galaxy. Blazar emission is dominated by non-thermal radiation from a jet that moves relativistically towards us, and therefore undergoes Doppler beaming. This beaming causes flux enhancement and contraction of the variability timescales, so that most blazars appear as luminous sources characterized by noticeable and fast changes in brightness at all frequencies. The mechanism that produces this unpredictable variability is under debate, but proposed mechanisms include injection, acceleration and cooling of particles, with possible intervention of shock waves or turbulence...
December 4, 2017: Nature
https://www.readbyqxmd.com/read/29207735/pattern-of-isolated-fatal-mechanical-injury-in-homicidal-deaths-a-cross-sectional-study
#17
Kiran Kumar Patnaik, Sudeepa Das, Sachidananda Mohanty, Hemanta Panigrahi
Introduction: Homicide is the death of one human being as a result of conduct of another. Multiple assaults on the body are seen in 70% cases, which indicate determination on the part of the accused to end the life of the victim. Aim: To identify the pattern, distribution and means of inflicting fatal isolated mechanical injury on the body in cases of homicide. Materials and Methods: This cross-sectional study was conducted on total 728 homicide deaths, out of which 63 cases had an isolated fatal mechanical injury over the body and the rest 665 cases had multiple injuries...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29206765/the-new-york-sepsis-severity-score-development-of-a-risk-adjusted-severity-model-for-sepsis
#18
Gary S Phillips, Tiffany M Osborn, Kathleen M Terry, Foster Gesten, Mitchell M Levy, Stanley Lemeshow
OBJECTIVES: In accordance with Rory's Regulations, hospitals across New York State developed and implemented protocols for sepsis recognition and treatment to reduce variations in evidence informed care and preventable mortality. The New York Department of Health sought to develop a risk assessment model for accurate and standardized hospital mortality comparisons of adult septic patients across institutions using case-mix adjustment. DESIGN: Retrospective evaluation of prospectively collected data...
December 4, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/29193141/behavioral-variability-as-avoidance-behavior
#19
Amilcar Rodrigues Fonseca Júnior, Maria Helena Leite Hunziker
This study aimed to investigate whether variable patterns of responses can be acquired and maintained by negative reinforcement under an avoidance contingency. Six male Wistar rats were exposed to sessions in which behavioral variability was reinforced according to a Lag contingency: Sequences of three responses on two levers had to differ from one, two or three previous sequences for shocks to be avoided (Lag 1, Lag 2 and Lag 3, respectively). Performance under the Lag conditions was compared with performance on a Yoke condition in which the animals received the same reinforcement frequency and distribution as in the Lag condition but behavioral variability was not required...
November 2017: Journal of the Experimental Analysis of Behavior
https://www.readbyqxmd.com/read/29158484/the-hsf1-parp13-parp1-complex-facilitates-dna-repair-and-promotes-mammary-tumorigenesis
#20
Mitsuaki Fujimoto, Ryosuke Takii, Eiichi Takaki, Arpit Katiyar, Ryuichiro Nakato, Katsuhiko Shirahige, Akira Nakai
Poly(ADP-ribose) polymerase 1 (PARP1) is involved in DNA repair, chromatin structure, and transcription. However, the mechanisms that regulate PARP1 distribution on DNA are poorly understood. Here, we show that heat shock transcription factor 1 (HSF1) recruits PARP1 through the scaffold protein PARP13. In response to DNA damage, activated and auto-poly-ADP-ribosylated PARP1 dissociates from HSF1-PARP13, and redistributes to DNA lesions and DNA damage-inducible gene loci. Histone deacetylase 1 maintains PARP1 in the ternary complex by inactivating PARP1 through deacetylation...
November 21, 2017: Nature Communications
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