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https://www.readbyqxmd.com/read/28449321/a-review-of-associated-controversies-surrounding-glucocorticoid-use-in-veterinary-emergency-and-critical-care
#1
Maya A Aharon, Jennifer E Prittie, Kate Buriko
OBJECTIVE: To review the literature in human and veterinary medicine regarding the indications for, efficacy of, and controversies surrounding glucocorticoid (GC) administration in the emergency and critical care (ECC) setting, and to provide an overview of the most commonly used synthetic GC formulations. MEDICATIONS: Synthetic GCs vary in GC and mineralocorticoid potency, hypothalamic pituitary axis suppression, duration of action, route of administration, and clinical indication for use...
April 27, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28449083/proteomic-response-to-linoleic-acid-hydroperoxide-in-saccharomyces-cerevisiae
#2
Patrick J O'Doherty, Alamgir Khan, Adam J Johnson, Peter J Rogers, Trevor D Bailey, Ming J Wu
Yeast AP-1 transcription factor (Yap1p) and the enigmatic oxidoreductases Oye2p and Oye3p are involved in counteracting lipid oxidants and their unsaturated breakdown products. In order to uncover the response to linoleic acid hydroperoxide (LoaOOH) and the roles of Oye2p, Oye3p, and Yap1p, we carried out proteomic analysis of the homozygous deletion mutants oye3Δ, oye2Δ, and yap1Δ alongside the diploid parent strain BY4743. The findings demonstrate that deletion of YAP1 narrowed the response to LoaOOH, as the number of proteins differentially expressed in yap1Δ was 70% of that observed in BY4743...
April 25, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28447577/prognostic-value-of-adamts13-in-patients-with-severe-sepsis-and-septic-shock
#3
M Feroz Azfar, M Faisal Khan, S Shahid Habib, Z Al Aseri, A Mohammad Zubaidi, D Ocampo Aguila, M Owais Suriya, Hameed Ullah
PURPOSE: ADAMTS13 level was evaluated as a predictor of mortality in patients with severe sepsis and septic shock, and compared with Acute Physiology and Chronic Health Evaluation II (APACHE II) scores. METHODS: This prospective observational study was conducted in the Medical and Surgical Intensive Care Units of King Khalid University Hospital. Detailed clinical evaluations were performed on 84 patients (56.08±18.18 years of age) with severe sepsis and septic shock...
April 26, 2017: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/28446184/results-of-167-consecutive-cases-of-acetabular-fractures-using-the-kocher-langenbeck-approach-a-case-series
#4
Lukas L Negrin, David Seligson
BACKGROUND: Acetabular fractures are quite challenging injuries for the orthopedic surgeon because of their low incidence and their deep and complex anatomy. The objective of this study was to evaluate surgeon-independent parameters that might influence radiographic outcome and early complication rates of high-energy acetabular fractures treated by open reduction and internal fixation via the Kocher-Langenbeck approach, the golden standard for posterior access. METHODS: One hundred sixty-seven consecutive patients (111 males and 56 females) with a mean age of 41...
April 26, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28444544/methylglyoxal-detoxification-by-a-dj-1-family-protein-provides-dual-abiotic-and-biotic-stress-tolerance-in-transgenic-plants
#5
Prasad Melvin, Kondalarao Bankapalli, Patrick D'Silva, P V Shivaprasad
Methylglyoxal (MG) is a key signaling molecule resulting from glycolysis and other metabolic pathways. During abiotic stress, MG levels accumulate to toxic levels in affected cells. However, MG is routinely detoxified through the action of DJ1/PARK7/Hsp31 proteins that are highly conserved across kingdoms and mutations in such genes are associated with neurodegenerative diseases. Here, we report for the first time that, similar to abiotic stresses, MG levels increase during biotic stresses in plants, likely contributing to enhanced susceptibility to a wide range of stresses...
April 25, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28442397/molecular-cloning-characterization-and-expression-analysis-of-heat-shock-protein-90-in-albino-northern-snakehead-channa-argus
#6
Aiguo Zhou, Shaolin Xie, Zhenlu Wang, Muhammad Junaid, Lanfen Fan, Chao Wang, Qiao Ye, Yanfeng Chen, De-Sheng Pei, Jixing Zou
The great albino northern snakehead Channa argus is habitual to only the Sichuan Jialing Rivers System in China, making its introduction difficult to other riverine systems. Here, we characterized heat shock protein 90 (AcaHSP90) and probed its molecular responses toward the environmental stressors that C. argus can face during its introduction and breeding in the other southern latitudes of China. To serve the purpose, cDNA encoding of AcaHSP90 were cloned and characterized in albino C. argus. The cDNA was 2752bps that contained an open reading frame (ORF), encoding a 726-amino-acid polypeptide of 83...
April 22, 2017: Gene
https://www.readbyqxmd.com/read/28439947/sirt1-hsf1-hsps-pathway-is-essential-for-exenatide-alleviated-lipid-induced-hepatic-endoplasmic-reticulum-stress
#7
Xiaobin Zheng, Fen Xu, Hua Liang, Huanyi Cao, Mengyin Cai, Wen Xu, Jianping Weng
Recent studies have indicated lipid-induced endoplasmic reticulum (ER) stress to be a major contributor to the progression of hepatic steatosis. Exenatide (Exendin-4), a glucagon-like peptide-1 receptor agonist, is known to improve hepatic steatosis with accumulating evidence. In this study, we investigated whether exenatide could alleviate lipid-induced hepatic ER stress through mammal sirtuin1 (SIRT1) and illustrated the detailed mechanisms. Male C57BL/6J mice challenged with a high-fat diet (HFD) were then treated with exenatide or normal saline by intraperitoneal injection for 4 weeks...
April 25, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28439766/enhanced-butyric-acid-tolerance-and-production-by-class-i-heat-shock-protein-overproducing-clostridium-tyrobutyricum-atcc-25755
#8
Yukai Suo, Sheng Luo, Yanan Zhang, Zhengping Liao, Jufang Wang
The response of Clostridium tyrobutyricum to butyric acid stress involves various stress-related genes, and therefore overexpression of stress-related genes can improve butyric acid tolerance and yield. Class I heat shock proteins (HSPs) play an important role in the process of protecting bacteria from sudden changes of extracellular stress by assisting protein folding correctly. The results of quantitative real-time PCR indicated that the Class I HSGs grpE, dnaK, dnaJ, groEL, groES, and htpG were significantly upregulated under butyric acid stress, especially the dnaK and groE operons...
April 24, 2017: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28439286/snp-discovery-and-genetic-variation-of-candidate-genes-relevant-to-heat-tolerance-and-agronomic-traits-in-natural-populations-of-sand-rice-agriophyllum-squarrosum
#9
Pengshan Zhao, Jiwei Zhang, Chaoju Qian, Qin Zhou, Xin Zhao, Guoxiong Chen, Xiao-Fei Ma
The extreme stress tolerance and high nutritional value of sand rice (Agriophyllum squarrosum) make it attractive for use as an alternative crop in response to concerns about ongoing climate change and future food security. However, a lack of genetic information hinders understanding of the mechanisms underpinning the morphological and physiological adaptations of sand rice. In the present study, we sequenced and analyzed the transcriptomes of two individuals representing semi-arid [Naiman (NM)] and arid [Shapotou (SPT)] sand rice genotypes...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28436351/reactivity-to-unpredictable-threat-as-a-treatment-target-for-fear-based-anxiety-disorders
#10
S M Gorka, L Lieberman, H Klumpp, K L Kinney, A E Kennedy, O Ajilore, J Francis, J Duffecy, M G Craske, J Nathan, S Langenecker, S A Shankman, K L Phan
BACKGROUND: Heightened reactivity to unpredictable threat (U-threat) is a core individual difference factor underlying fear-based psychopathology. Little is known, however, about whether reactivity to U-threat is a stable marker of fear-based psychopathology or if it is malleable to treatment. The aim of the current study was to address this question by examining differences in reactivity to U-threat within patients before and after 12-weeks of selective serotonin reuptake inhibitors (SSRIs) or cognitive-behavioral therapy (CBT)...
April 24, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28435259/methotrexate-coupled-nanoparticles-and-magnetic-nanochemothermia-for-the-relapse-free-treatment-of-t24-bladder-tumors
#11
Marcus Stapf, Ulf Teichgräber, Ingrid Hilger
Heat-based approaches have been considered as promising tools due to their ability to directly eradicate tumor cells and/or increase the sensitivity of tumors to radiation- or chemotherapy. In particular, the heating of magnetic nanoparticles (MNPs) via an alternating magnetic field can provide a handy alternative for a localized tumor treatment. To amplify the efficacy of magnetically induced thermal treatments, we elucidated the superior tumor-destructive effect of methotrexate-coupled MNPs (MTX/MNPs) in combination with magnetic heating (nanochemothermia) over the thermal treatment alone...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28433804/crocin-attenuates-hemorrhagic-shock-induced-oxidative-stress-and-organ-injuries-in-rats
#12
Long Yang, Xiujuan Dong
We aimed to evaluate the effect of natural antioxidant crocin in alleviating hemorrhagic shock (HS)-induced organ damages. HS rats were treated with crocin during resuscitation. Mortality at 12h and 24h post resuscitation was documented. HS and resuscitation induced organ injuries, as characterized by elevated wet/dry ratio, quantitative assessment ratio, blood urea nitrogen, creatinine, aspartate aminotransferase and alanine aminotransferase, whereas rats received crocin treatment demonstrated improvements in all the above characteristics...
April 13, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28433751/elevated-chaperone-proteins-are-a-feature-of-winter-freeze-avoidance-by-larvae-of-the-goldenrod-gall-moth-epiblema-scudderiana
#13
Guijun Zhang, Janet M Storey, Kenneth B Storey
Winter survival for many insect species includes a need to maintain metabolic homeostasis and structural/functional integrity of macromolecules not only over a wide range of cold temperatures but also in response to rapid temperature change. Chaperones are well-known to protect/stabilize protein structure with regard to heat stress but less is known about their potential involvement in long-term protection of the proteome at subzero temperatures. The present study assessed the participation of chaperone proteins in the cold hardiness of larvae of the goldenrod gall moth, Epiblema scudderiana (Clemens) (Lepidoptera, Olethreutidae), monitoring changes in nine proteins over the winter months as well as their responses to laboratory cold acclimation or anoxia exposure...
April 19, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28433717/response-a-chronic-effects-of-pbde-47-up-regulations-of-hsp60-and-hsp70-expression-in-freshwater-bivalve-anodonta-woodiana
#14
Xichao Xia, Shipeng Xue, Xiying Wang, Qingyuan Zhang, Chuanfeng Huang, Lianghong Guo, Lunguang Yao
Heat shock proteins (HSPs) play an important role in adaption of environmental stress by protein folding, membrane translocation, degradation of misfolded proteins and other regulatory processes. Our previous study showed oxidative stress generated from polybrominated diphenyl ether-47 (PBDE-47) could cause an acute toxicity on freshwater bivalve Anodonta Woodiana, but the effect of chronic toxicity need to be elucidated. In order to further investigate the chronic effect of PBDE-47, clams A. Woodiana were randomly divided into the PBDE-47 treated group administrated with PBDE-47 at a concentration 3...
April 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28429475/common-carotid-artery-sonography-versus-transthoracic-echocardiography-for-cardiac-output-measurements-in-intensive-care-unit-patients
#15
Qian-Yi Peng, Li-Na Zhang, Mei-Lin Ai, Li Li, Cheng-Huan Hu, Yan-Xin Zhang, Wei Liu, Qing Feng, Yu Zou, Yu-Hang Ai
OBJECTIVES: This study was designed to test the effectiveness of common carotid artery sonography in comparison with transthoracic echocardiography (TTE) for cardiac output measurements to provide an easier alternative for cardiac output monitoring in the intensive care unit. METHODS: This study included 148 patients who had common carotid artery Doppler examinations and TTE performed within 8 hours of each other, and the cardiac output measurement results were compared with each other...
April 21, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28428489/superior-rhythm-discrimination-with-the-smartshock-technology-algorithm%C3%A3-results-of-the-implantable-defibrillator-with-enhanced-features-and-settings-for-reduction-of-inaccurate-detection-defense-trial
#16
Yasushi Oginosawa, Ritsuko Kohno, Toshihiro Honda, Kan Kikuchi, Masatsugu Nozoe, Takayuki Uchida, Hitoshi Minamiguchi, Koichiro Sonoda, Masahiro Ogawa, Takeshi Ideguchi, Yoshihisa Kizaki, Toshihiro Nakamura, Kageyuki Oba, Satoshi Higa, Keiki Yoshida, Soichi Tsunoda, Yoshihisa Fujino, Haruhiko Abe
BACKGROUND: Shocks delivered by implanted anti-tachyarrhythmia devices, even when appropriate, lower the quality of life and survival. The new SmartShock Technology(®)(SST) discrimination algorithm was developed to prevent the delivery of inappropriate shock. This prospective, multicenter, observational study compared the rate of inaccurate detection of ventricular tachyarrhythmia using the SST vs. a conventional discrimination algorithm.Methods and Results:Recipients of implantable cardioverter defibrillators (ICD) or cardiac resynchronization therapy defibrillators (CRT-D) equipped with the SST algorithm were enrolled and followed up every 6 months...
April 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28426997/design-and-synthesis-of-neolamellarin-a-derivatives-targeting-heat-shock-protein-90
#17
Long Jiang, Ruijuan Yin, Xueting Wang, Jiajia Dai, Jing Li, Tao Jiang, Rilei Yu
In this study, we designed and synthesized a novel family of neolamellarin A derivatives that showed high inhibitory activity toward heat shock protein 90 (Hsp90), a kinase associated with cell proliferation. The 3,4-bis(catechol)pyrrole scaffold and the benzyl group with methoxy modification at N position of pyrrole are essential to the Hsp90 inhibitory activity and cytotoxicity of these compounds. Western blot analysis demonstrated that these compounds induced dramatic depletion of the examined client proteins of Hsp90, and accelerated cancer cell apoptosis...
April 15, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28426466/physician-variation-in-time-to-antimicrobial-treatment-for-septic-patients-presenting-to-the-emergency-department
#18
Ithan D Peltan, Kristina H Mitchell, Kristina E Rudd, Blake A Mann, David J Carlbom, Catherine L Hough, Thomas D Rea, Samuel M Brown
OBJECTIVES: Delayed initiation of appropriate antimicrobials is linked to higher sepsis mortality. We investigated interphysician variation in septic patients' door-to-antimicrobial time. DESIGN: Retrospective cohort study. SETTING: Emergency department of an academic medical center. SUBJECTS: Adult patients treated with antimicrobials in the emergency department between 2009 and 2015 for fluid-refractory severe sepsis or septic shock...
April 6, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28424960/selenium-for-the-mitigation-of-toxicity-induced-by-lead-in-chicken-testes-through-regulating-mrna-expressions-of-hsps-and-selenoproteins
#19
He Huang, Yan Wang, Yang An, Yaguang Tian, Shu Li, Xiaohua Teng
Lead (Pb) is a toxic element and environmental pollutant. Pb toxicity and antagonistic effect of selenium (Se) on Pb have been deeply studied in mammals. The testis is one of the target organs of Pb in birds. The aim of this study was to investigate the mitigating effect of Se on Pb toxicity in chicken testes by determining messenger RNA (mRNA) expressions of 5 heat shock proteins (HSPs) and 25 selenoproteins. Sixty male chickens (7-day-old) were randomly divided into the control group, the Se group, the Pb group, and the Pb + Se group, and were fed for 90 days...
April 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28424126/the-novel-use-of-resuscitative-endovascular-balloon-occlusion-of-the-aorta-to-explore-a-retroperitoneal-hematoma-in-a-hemodynamically-unstable-patient
#20
Martin D Rosenthal, Ahsan Raza, Stephanie Markle, Chasen A Croft, Alicia M Mohr, R Stephen Smith
Balloon occlusion of the aorta was first described by C.W. Hughes in 1954, when it was used as a tamponade device for three wounded soldiers during the Korean War suffering from intra-abdominal hemorrhage. Currently, the device is indicated in trauma patients as a surrogate for resuscitative thoracotomy. Brenner et al. reported a case series describing the use of resuscitative endovascular balloon occlusion of the aorta (REBOA) in advanced hemorrhagic shock. Their conclusion was that "it is a feasible method for proximal aortic control...
April 1, 2017: American Surgeon
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