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Hans G Rinderknecht, H-S Park, J S Ross, P A Amendt, D P Higginson, S C Wilks, D Haberberger, J Katz, D H Froula, N M Hoffman, G Kagan, B D Keenan, E L Vold
The structure of a strong collisional shock front forming in a plasma is directly probed for the first time in laser-driven gas-jet experiments. Thomson scattering of a 526.5 nm probe beam was used to diagnose temperature and ion velocity distribution in a strong shock (M∼11) propagating through a low-density (ρ∼0.01  mg/cc) plasma composed of hydrogen. A forward-streaming population of ions traveling in excess of the shock velocity was observed to heat and slow down on an unmoving, unshocked population of cold protons, until ultimately the populations merge and begin to thermalize...
March 2, 2018: Physical Review Letters
Andrew R Christiansen, Rami M Shorti, Cory D Smith, William C Prows, Jay T Bishoff
PURPOSE: Despite the increasing use of advanced 3D imaging techniques and 3D printing, these techniques have not yet been comprehensively compared in a surgical setting. The purpose of this study is to explore the effectiveness of five different advanced imaging modalities during a complex renal surgical procedure. METHODS: A patient with a horseshoe kidney and multiple large, symptomatic stones that had failed Extracorporeal Shock Wave Lithotripsy (ESWL) and ureteroscopy treatment was used for this evaluation...
March 15, 2018: World Journal of Urology
Susanne Röger, Stefanie L Rosenkaimer, Anna Hohneck, Siegfried Lang, Ibrahim El-Battrawy, Boris Rudic, Erol Tülümen, Ksenija Stach, Jürgen Kuschyk, Ibrahim Akin, Martin Borggrefe
BACKGROUND: The wearable cardioverter-defibrillator (WCD) has emerged as a valuable tool to temporarily protect patients at risk for sudden cardiac death (SCD). The aim of this study was to determine the value of the WCD for therapy optimization of heart failure patients. METHODS: One hundred five consecutive patients that received WCD between 4/2012 and 9/2016 were included in the study. All patients were followed for clinical outcome and echocardiographic parameters during WCD therapy and had continued follow-up after WCD therapy, irrespective of subsequent implantable cardioverter-defibrillator (ICD) implantation...
March 15, 2018: BMC Cardiovascular Disorders
Aiguo Zhou, Shaolin Xie, Zhenlu Wang, Yanfeng Chen, Yue Zhang, Lanfen Fan, Fang Zeng, Jixing Zou
The great albino northern snakehead, Channa argus, is one of the most important economical fish in China. In the present study, cDNA encoding heat shock protein 60 (HSP60) was cloned and characterized. The cDNA was 2462 bp, containing an open reading frame (ORF) encoding a 575-amino-acids polypeptide of 61.10 kDa (theoretical isoelectric point [pI]: 5.66). BLAST analysis showed that AcaHSP60 was highly similar with other HSP60s, and three conserved amino acid blocks and characteristic motifs or domains defined as HSP60 protein family signatures...
March 14, 2018: Cell Stress & Chaperones
Peter Paik, Sanjay K Arukala, Anupam A Sule
Central venous catheters are placed in approximately five million patients annually in the US. The preferred site of insertion is one with fewer risks and easier access. Although the right internal jugular vein is preferred, on occasion, the left internal jugular may have to be accessed. A patient was admitted for septic shock, cerebrovascular accident, and non-ST-segment elevation myocardial infarction. A central venous line was needed for antibiotic and vasopressor administration. Due to trauma from a fall to the right side and previously failed catheterization attempts at the left subclavian and femoral veins, the left internal jugular vein was accessed...
January 9, 2018: Curēus
Jingping Zhang, Jingjing Huang, Kasimujiang Aximujiang, Chenbo Xu, Abulaiti Ahemaiti, Guixia Wu, Li Zhong, Kurexi Yunusi
Stress is a powerful modulator of neuroendocrine, behavioral, and immunological functions. So far, the molecular mechanisms of response to stressors still remain elusive. In the current study, after 10 days of repeated chronic stress (hot-dry environment and electric foot-shock), a murine model of combined-stress (CS) was created in the SPF Wistar rats. Meanwhile, we established an ulcerative-colitis (UC) rat model induced by 2,4,6-trinitrobenzene sulfonic acid (TNBS)/ethanol enema according to previous studies...
March 14, 2018: Scientific Reports
Xiaoling Wang, Xiuling Cao, Min Liu, Ruiqi Zhang, Xin Zhang, Zongyu Gao, Xiaofei Zhao, Kai Xu, Dawei Li, Yongliang Zhang
Dissecting the complex molecular interplay between the host plant and invading virus improves our understanding of the mechanisms underlying viral pathogenesis. In this study, immunoprecipitation together with the mass spectrometry analysis revealed that the heat shock protein 70 (Hsp70) family homolog, Hsc70-2, was co-purified with beet black scorch virus (BBSV) replication protein p23 and coat protein (CP), respectively. Further experiments demonstrated that Hsc70-2 interacts directly with both p23 and CP, whereas there is no interaction between p23 and CP...
March 14, 2018: Scientific Reports
Satoshi Inoue, Yuichiro Sakamoto, Hiroyuki Koami, Kosuke Yamada C, Futoshi Nagashima, Toru Miike, Takashi Iwamura, Toru Obata
PURPOSE: The aim of this study was to identify a useful biomarker to predict the efficacy of polymyxin B-immobilized fiber direct hemoperfusion (PMX-DHP) in patients with septic shock. METHODS: The 44 patients included in this study were divided into two groups. Group A had an increase in systolic blood pressure (SBP) over 30 mmHg after PMX-DHP treatment. Group B had an increase in SBP less than 30 mmHg after PMX-DHP treatment. We evaluated the clinical characteristics and demographics of both groups...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Sérgio Barra, Rui Providência, Serge Boveda, Rudolf Duehmke, Kumar Narayanan, Anthony W Chow, Olivier Piot, Didier Klug, Pascal Defaye, Daniel Gras, Jean-Claude Deharo, Paul Milliez, Antoine Da Costa, Pierre Mondoly, Jorge Gonzalez-Panizo, Christophe Leclercq, Patrick Heck, Munmohan Virdee, Nicolas Sadoul, Jean-Yves Le Heuzey, Eloi Marijon
OBJECTIVE: In patients indicated for cardiac resynchronisation therapy (CRT), the choice between a CRT-pacemaker (CRT-P) versus defibrillator (CRT-D) remains controversial and indications in this setting have not been well delineated. Apart from inappropriate therapies, which are inherent to the presence of a defibrillator, whether adding defibrillator to CRT in the primary prevention setting impacts risk of other acute and late device-related complications has not been well studied and may bear relevance for device selection...
March 14, 2018: Heart: Official Journal of the British Cardiac Society
Tomoya Maeda, Yuya Tanaka, Masayuki Inui
The Corynebacterium glutamicum R grtA (cgR_2936), grtB (cgR_2934), and grtC (cgR_2933) genes were identified as paralogs encoding glutamine-rich toxic proteins. We also identified a new antisense small RNA AsgR (antisense sRNA for grtA) that overlaps the 3' end of the grtA gene. Single over-expressions of grtA, grtB, and grtC resulted in complete inhibition of Escherichia coli cell growth. This growth was rescued by co-expression of AsgR. Similar effects were observed in C. glutamicum, although the toxicities of these proteins were moderate...
March 14, 2018: Molecular Microbiology
Yaowu Hu, Feng Zhang, Michael Titze, Biwei Deng, Hebin Li, Gary J Cheng
Strain-engineering of two-dimensional (2D) transition metal dichalcogenides (TMDs) has great potential to alter their electronic and optical properties. Thus far, experimental studies of the straining effects in 2D TMDs primarily focused on the static property measurements at room temperature. However, low-temperature and temperature-dependence studies are essential in understanding the underlying mechanisms of the unique properties of monolayer TMDs. Herein, the temperature-dependent dynamic properties of laser shock strain-engineered monolayer MoS2 were studied using temperature-dependent photoluminescence (PL) and pump-probe spectroscopy...
March 14, 2018: Nanoscale
Mariana Takaku, Andre Carnevali da Silva, Nathalie Izumi Iritsu, Pedro Thadeu Galvao Vianna, Yara Marcondes Machado Castiglia
Parecoxib, a selective COX-2 inhibitor, is used to improve analgesia in postoperative procedures. Here we evaluated whether pretreatment with a single dose of parecoxib affects the function, cell injury, and inflammatory response of the kidney of rats subjected to acute hemorrhage. Inflammatory response was determined according to serum and renal tissue cytokine levels (IL-1 α , IL-1 β , IL-6, IL-10, and TNF- α ). Forty-four adult Wistar rats anesthetized with sevoflurane were randomized into four groups: placebo/no hemorrhage (Plc/NH); parecoxib/no hemorrhage (Pcx/NH); placebo/hemorrhage (Plc/H); and parecoxib/hemorrhage (Pcx/H)...
2018: Pain Research and Treatment
Wan Yang, Shilong He, Ming Han, Bingbing Wang, Qigui Niu, Yujia Xu, Yi Chen, Haibo Wang
In this study, the nitrogen removal performance and microbial community structure were investigated during the start-up, instability, and recovery stages of an anaerobic ammonium oxidation (anammox) reactor loaded with compound carriers (shale ceramsite and suspended ball carrier). The results indicated that the anammox reactor successfully started up on 116th d when the nitrogen loading rate (NLR) reached 0.72 ± 0.05 kg N m-3  d-1 . The anammox reactor ran well with free ammonia (FA) at 13.65 ± 2...
March 10, 2018: Journal of Bioscience and Bioengineering
Traci Cramer, Moriah L Penick, Jolena N Waddell, Chris A Bidwell, Yuan H Brad Kim
The objective of this study was to determine associations of small heat shock proteins (sHSPs) in tenderness development of loins from callipyge and normal genotype lambs. Loins (M. longissimus lumborum) from sixteen lambs across four genotypes were collected throughout 9 days of postmortem aging. The loins from callipyge lambs had more intact desmin and troponin T throughout aging periods, as well as less μ-calpain autolysis and more calpastatin compared to loins from other genotypes (P < 0.05). Delayed onset of apoptosis was found in the callipyge loins indicated by less cytochrome c and more inactive procaspase-3 compared to normal lamb loins (P < 0...
March 6, 2018: Meat Science
Leonard Nainggolan, Saptawati Bardosono, Ermita I Ibrahim Ilyas
Background: Plasma leakage plays an important role in dengue infection, and this condition can lead to hemoconcentration, hypovolemia, and shock. Fluid replacement is the main treatment for dengue. There is a lack of evidence to support certain oral fluid therapy as a treatment for dengue patients. Objectives: The objective of this study is to evaluate tolerability and efficacy of oral isotonic solution (OIS) compared to plain water as a fluid replacement in dengue patients...
January 2018: Indian Journal of Community Medicine
Yanhua Chen, Rosario N Mantegna, Athanasios A Pantelous, Konstantin M Zuev
In this study, we assess the dynamic evolution of short-term correlation, long-term cointegration and Error Correction Model (hereafter referred to as ECM)-based long-term Granger causality between each pair of US, UK, and Eurozone stock markets from 1980 to 2015 using the rolling-window technique. A comparative analysis of pairwise dynamic integration and causality of stock markets, measured in common and domestic currency terms, is conducted to evaluate comprehensively how exchange rate fluctuations affect the time-varying integration among the S&P 500, FTSE 100 and EURO STOXX 50 indices...
2018: PloS One
Toy Lee, Derrick Sanderson, Paula Doyle, Gunhilde Buchsbaum
BACKGROUND: Rates of administration of intravenous sodium fluorescein during cystoscopy have increased since indigotindisulfonate sodium was removed from the market in 2014. Although sodium fluorescein has been extensively evaluated and found to be safe, side effects including anaphylaxis have been observed, with an incidence between 0.05% and 1.0%. CASE: We present a case of anaphylactic shock after administration of intravenous sodium fluorescein for the assessment of ureteral efflux in a patient with a history of frequent severe allergic reactions undergoing urethral lysis and cystoscopy for urinary retention...
March 8, 2018: Obstetrics and Gynecology
Isabelle Raymond-Bouchard, Jacqueline Goordial, Yevgen Zolotarov, Jennifer Ronholm, Martina Stromvik, Corien Bakermans, Lyle G Whyte
Permafrost accounts for 27% of all soil ecosystems and harbors diverse microbial communities. Our understanding of microorganisms in permafrost, their activities and adaptations, remains limited. Using five subzero-growing (cryophilic) permafrost bacteria, we examined features of cold adaptation through comparative genomic analyses with mesophilic relatives. The cryophiles possess genes associated with cold adaptation, including cold shock proteins, RNA helicases, and oxidative stress and carotenoid synthesis enzymes...
March 8, 2018: FEMS Microbiology Ecology
W C Wang, F F Yan, J Y Hu, O A Amen, H W Cheng
Probiotics reduce stress-related inflammation and abnormal behaviors in humans and rodents via regulation of the microbiota-gut-brain axis. The objective of this study was to determine if probiotic, Bacillus subtilis, has similar functions in broiler chickens under heat stress (HS). Two hundred forty 1-day-old broiler chicks were assigned to 48 pens with 4 treatments: Thermoneutral (TN)-RD (regular diet), TN-PD (the regular diet mixed with 1×106 CFU/g feed probiotic), HS-RD and HS-PD. Probiotic (Sporulin®) was fed from day 1; and HS at 32 ºC for 10 h daily was initiated at day 15...
March 8, 2018: Journal of Animal Science
Yukihiro Kaneko, Ken-Ichi Oinuma, Tsuneko Terachi, Yasuaki Arimura, Mamiko Niki, Koichi Yamada, Hiroshi Kakeya, Tetsu Mizutani
A 53-year-old woman was hospitalized due to septic shock after developing pneumococcal pneumonia after undergoing esophageal cancer surgery. Her transverse colon became perforated after receiving antimicrobial chemotherapy; therefore, emergency subtotal colectomy was performed. Fungi detected in both her colon tissue and a drainage sample indicated intestinal mucormycosis. Early intensive treatment with high-dose liposomal amphotericin B was successful, and she was subsequently discharged from the hospital...
March 9, 2018: Internal Medicine
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