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https://www.readbyqxmd.com/read/28828548/optimum-ridge-to-furrow-ratio-in-ridge-furrow-mulching-systems-for-improving-water-conservation-in-maize-zea-may-l-production
#1
Weiwei Li, Xiaoxia Wen, Juan Han, Yang Liu, Wei Wu, Yuncheng Liao
Water-saving cultivation techniques have been attracting increased attention worldwide. Ridge-furrow mulching system (RFMS), as a prospective rainwater harvesting system, has been widely adopted in arid and semi-arid areas. Field experiments were conducted in 2014 and 2015 to compare soil water storage, soil temperature, maize yield, and water use efficiency (WUE) among different ridge/furrow width arrangements in RFMS comprised of three different ridge/furrow ratios, i.e., 40:70 cm (RFMS40), 55:55 cm (RFMS55), and 70:40 cm (RFMS70) and conventional flat planting (CK, without mulching)...
August 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28828145/apigenin-alleviates-endotoxin-induced-myocardial-toxicity-by-modulating-inflammation-oxidative-stress-and-autophagy
#2
Fang Li, Fangfang Lang, Huilin Zhang, Liangdong Xu, Yidan Wang, Chunxiao Zhai, Enkui Hao
Apigenin, a component in daily diets, demonstrates antioxidant and anti-inflammatory properties. Here, we intended to explore the mechanism of apigenin-mediated endotoxin-induced myocardial injury and its role in the interplay among inflammation, oxidative stress, and autophagy. In our lipopolysaccharide- (LPS-) induced myocardial injury model, apigenin ameliorated cardiac injury (lactate dehydrogenase (LDH) and creatine kinase (CK)), cell death (TUNEL staining, DNA fragmentation, and PARP activity), and tissue damage (cardiac troponin I (cTnI) and cardiac myosin light chain-1 (cMLC1)) and improved cardiac function (ejection fraction (EF) and end diastolic left ventricular inner dimension (LVID))...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28828078/creatine-kinase-and-lactate-dehydrogenase-responses-after-different-resistance-and-aerobic-exercise-protocols
#3
Gustavo A Callegari, Jefferson S Novaes, Gabriel R Neto, Ingrid Dias, Nuno D Garrido, Caroline Dani
The aim of this study was to investigate the responses of creatine kinase (CK) and lactate dehydrogenase (LDH) after performing different resistance and aerobic exercise protocols. Twelve recreationally trained men (age, 23.2 ± 5.6 years; body mass, 84.3 ± 9.3 kg; body height, 178.9 ± 4.5 cm; and BMI, 26.3 ± 2.3 kg·m2) volunteered to participate in this study. All subjects were randomly assigned to four experimental protocols (crossover): (a) aerobic training at 60% of VO2max, (b) aerobic training at 80% of VO2max, (c) a resistance exercise (RE) session with a bi-set protocol, and (d) an RE session with a multiple sets protocol...
September 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28827897/serum-cytokeratin-18-m30-levels-in-chronic-hepatitis-b-reflect-both-phase-and-histological-activities-of-disease
#4
Magdalena Świderska, Jerzy Jaroszewicz, Anna Parfieniuk-Kowerda, Magdalena Rogalska-Płońska, Agnieszka Stawicka, Anatol Panasiuk, Robert Flisiak
Chronic hepatitis B has highly a dynamic course with significant fluctuations of HBV-DNA and ALT impeding assessment of disease activity. New biomarkers of inflammatory versus noninflammatory stages of HBV infection are urgently needed. Cytokeratin 18 epitope M30 (M30 CK-18) is a sensitive marker of cell death. We aimed to investigate an association between serum M30 CK-18 and histological activity and phase of HBV infection. 150 Caucasian patients with HBV-infection were included in the study. Serum M30 CK-18 levels reflected phase of disease, being significantly higher in both HBeAg(+) and HBeAg(-) hepatitis B in comparison to HBsAg(+) carrier groups...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28827853/plasmacytoid-myoepithelioma-of-the-hard-palate-case-report
#5
Christina Efthymia Souliou, Fotios Tzermpos, Prokopios Argyris, Konstantinos Tosios
BACKGROUND: Myoepitheliomas are uncommon salivary gland neoplasms consisting entirely or predominantly of cells with myoepithelial phenotype. They commonly involve the parotid gland and the minor salivary glands of the palate. AIM: A case of plasmacytoid myoepithelioma of the hard palate is described. CASE DESCRIPTION AND RESULTS: A 55-year-old woman presented to her oral surgeon with a tumor on the hard palate. Microscopic examination showed a well-circumscribed but non-encapsulated tumor, consisting mostly of plasmacytoid cells in a loose fibrovascular stroma...
June 2017: Acta Stomatologica Croatica
https://www.readbyqxmd.com/read/28827517/rhabdomyolysis-in-a-patient-with-severe-hypothyroidism
#6
Nooshin Salehi, Endre Agoston, Iqbal Munir, Gary J Thompson
BACKGROUND Muscular symptoms, including stiffness, myalgia, cramps, and fatigue, are present in the majority of the patients with symptomatic hypothyroidism, but rhabdomyolysis, the rapid breakdown of skeletal muscle, is a rare manifestation. In most patients with hypothyroidism who develop rhabdomyolysis, precipitating factors, such as strenuous exercise or use of lipid-lowering drugs, can be identified. CASE REPORT We report a case of a 52-year-old Hispanic woman with a history of hypothyroidism, hypertension, and type 2 diabetes mellitus who presented with fatigue, severe generalized weakness, bilateral leg pain, and recurrent falls...
August 22, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28827446/identification-of-relevant-prognostic-values-of-cytokeratin-20-and-cytokeratin-7-expressions-in-lung-cancer
#7
Hai-Tao Luo, Cai-Xia Liang, Rong-Cheng Luo, Wei-Guang Gu
Lung cancer is one of the most common malignant tumors harmful to human health. Cytokeratin (CK) is highly conserved and differentiated related to the proliferation and differentiation of epithelial cells. To explore expressions of CK20 and CK7 and corresponding prognostic values in patients with lung cancer. Expressions of CK20 and CK7 mRNA and protein were detected using real-time quantitative PCR (qRT-PCR) and western blot, respectively, followed by the performance of immunohistochemistry staining. Associations of CK20 and CK7 with the clinical parameters and prognosis of lung cancer patients were further analyzed...
August 21, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28826900/identification-of-periprocedural-myocardial-infarction-using-a-high-sensitivity-troponin-i-assay-in-patients-who-underwent-transcatheter-aortic-valve-implantation
#8
Christoph Liebetrau, Won K Kim, Alexander Meyer, Mani Arsalan, Luise Gaede, Johannes M Blumenstein, Ulrich Fischer-Rasokat, Jan S Wolter, Oliver Dörr, Sandra Schillinger, Christian Troidl, Holger M Nef, Christian W Hamm, Thomas Walther, Helge Möllmann
Periprocedural myocardial infarction (MI), a rare complication after transcatheter aortic valve implantation (TAVI), is associated with worse outcome. According to the Valve Academic Research Consortium (VARC-2), MI is defined by an increase in cardiac troponin (cTn) and creatine kinase MB (CK-MB) levels; however, many patients show periprocedurally elevated cTn without clinical evidence of MI. The aims of this study were to establish reference values of cardiac troponin I measured with a high-sensitivity assay (hs-cTnI) and to assess the periprocedural diagnostic value of this biomarker in patients who underwent TAVI...
July 14, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28826799/high-sensitivity-c-reactive-protein-and-long-term-reperfusion-success-of-primary-percutaneous-intervention-in-st-elevation-myocardial-infarction
#9
Hilde E Groot, Jacco C Karper, Erik Lipsic, Dirk J van Veldhuisen, Iwan C C van der Horst, Pim van der Harst
AIMS: In STEMI patients, success of reperfusion of primary PCI predicts cardiac remodeling and clinical outcome. This success may depend on inflammation. We aimed to investigate the association between inflammation and reperfusion success, left ventricular function and long-term mortality in STEMI patients. METHODS: In 376 consecutive STEMI patients of the GIPS-III trial hs-CRP levels were measured at baseline, 2weeks, 7weeks and 4months post-PCI. Myocardial blush grade was used to determine success of myocardial reperfusion...
August 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28821596/hypoxia-decreases-creatine-uptake-in-cardiomyocytes-while-creatine-supplementation-enhances-hif-activation
#10
Lucia Santacruz, Antonio Jose Luis Arciniegas, Marcus Darrabie, Jose G Mantilla, Rebecca M Baron, Dawn E Bowles, Rajashree Mishra, Danny O Jacobs
Creatine (Cr), phosphocreatine (PCr), and creatine kinases (CK) comprise an energy shuttle linking ATP production in mitochondria with cellular consumption sites. Myocytes cannot synthesize Cr: these cells depend on uptake across the cell membrane by a specialized creatine transporter (CrT) to maintain intracellular Cr levels. Hypoxia interferes with energy metabolism, including the activity of the creatine energy shuttle, and therefore affects intracellular ATP and PCr levels. Here, we report that exposing cultured cardiomyocytes to low oxygen levels rapidly diminishes Cr transport by decreasing Vmax and Km Pharmacological activation of AMP-activated kinase (AMPK) abrogated the reduction in Cr transport caused by hypoxia...
August 2017: Physiological Reports
https://www.readbyqxmd.com/read/28820981/risk-factors-for-postoperative-acute-mesenteric-ischemia-among-adult-patients-undergoing-cardiac-surgery-a-systematic-review-and-meta-analysis
#11
Qi-Wen Deng, Wen-Cheng Tan, Bing-Cheng Zhao, Wen-Tao Deng, Miao Xu, Wei-Feng Liu, Ke-Xuan Liu
PURPOSE: We aimed to seek risk factors for AMI among adult patients undergoing cardiac surgery. MATERIALS AND METHODS: We searched electronic bibliographic databases for studies reporting risk factors for AMI among adult patients undergoing cardiac surgery. Pooled odds ratios (OR) and standard mean differences (SMD or MD) for risk factors between AMI and control group were estimated. RESULTS: 11 studies with 67,195 patients met the inclusion criteria...
August 12, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28818094/radiotoxicity-in-robotic-radiosurgery-proposing-a-new-quality-index-for-optimizing-the-treatment-planning-of-brain-metastases
#12
Alexandra Hellerbach, Klaus Luyken, Mauritius Hoevels, Andreas Gierich, Daniel Rueß, Wolfgang W Baus, Martin Kocher, Maximilian I Ruge, Harald Treuer
BACKGROUND: As irradiated brain volume at 12 Gy (V12) is a predictor for radionecrosis, the purpose of the study was to develop a model for Cyberknife (CK) plans that is able to predict the lowest achievable V12 at a given tumor size and prescription dose (PD), and to suggest a new quality index regarding V12 for optimizing the treatment planning of brain metastases. METHOD: In our model V12 was approximated as a spherical shell around the tumor volume. The radial distance between tumor surface and the 12 Gy isodose line was calculated using an approximation of the mean dose gradient in that area...
August 17, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28817623/metformin-attenuates-myocardial-ischemia-reperfusion-injury-via-up-regulation-of-antioxidant-enzymes
#13
Xiaoling Wang, Lei Yang, Licheng Kang, Jing Li, Liang Yang, Jincai Zhang, Jie Liu, Mengmeng Zhu, Qiong Zhang, Yanna Shen, Zhi Qi
The objective was to examine the protective effect of metformin (Met) on myocardial ischemia-reperfusion (IR) injury and whether the mechanism was related to the AMPK/ antioxidant enzymes signaling pathway. Rat Langendorff test and H2O2-treated rat cardiomyocytes (H9c2) were used in this study. Met treatment significantly improved left ventricular (LV) function, reduced infarct size and CK-MB release in comparison with IR group. Decreased TUNEL staining positive cells were also observed in IR+Met group ex vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28815839/circulating-tumor-cells-in-patients-with-head-and-neck-squamous-cell-carcinoma-feasibility-of-detection-and-quantitation
#14
Tomoyuki Kawada, Hideyuki Takahashi, Koichi Sakakura, Shota Ida, Ikko Mito, Minoru Toyoda, Kazuaki Chikamatsu
BACKGROUND: The purpose of this study was to present our findings that because circulating tumor cells (CTCs) exist in extremely low numbers, their detection and quantification are challenging. METHODS: Peripheral blood samples were collected from 32 patients with head and neck squamous cell carcinoma (HNSCC), and were subjected to the CellSieve Microfiltration Assay using a low-pressure filtration system. The CTCs captured by the filter were stained with an antibody cocktail (anti-cytokeratin (CK) 8, 18, and 19, anti-epithelial cell adhesion molecule (EpCAM), and anti-CD45 antibodies)...
August 17, 2017: Head & Neck
https://www.readbyqxmd.com/read/28815734/long-term-mortality-in-patients-with-stemi-transported-primary-or-secondary-to-the-cardiac-center-and-treated-by-primary-pci
#15
Abdulwasya Almawiri, Vojacek Jan, Albahri Ziad, Jakl Martin, Stasek Josef
BACKGROUND: The purpose of this study was to compare long-term outcomes of primary transport (PT) and secondary transport (ST) in patients with STEMI. METHOD: We assigned consecutive 869 patients referred for STEMI during a 2-year period (2008-2009). The primary endpoint was to compare long-term outcomes and mortality of PT to a catheterization laboratory and ST from regional hospitals to a catheterization laboratory. Six hundred seventy-seven patients (77.9%) were enrolled for the final evaluation, 192 (22...
August 16, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28810547/salvianolic-acid-a-protects-against-myocardial-ischemia-reperfusion-injury-by-reducing-platelet-activation-and-inflammation
#16
Xiaoling Yuan, Yijia Xiang, Ning Zhu, Xuyong Zhao, Shiyong Ye, Peng Zhong, Chunlai Zeng
The aim of the present study was to investigate the protective effect of salvianolic acid A (SAA) on myocardial ischemia/reperfusion injury in rats. SAA (10 mg/kg) or Tirofiban (60 µg/kg) was administered to rats by jugular vein injection 10 min before the initiation of reperfusion. After 3 h of reperfusion, platelet aggregation was measured using an aggregometer and levels of nitric oxide (NO) were detected using an ultraviolet spectrophotometer. Serum levels of cardiac troponin T (cTnT), creatine kinase isoenzyme MB (CK-MB), p-selectin, interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) were also measured 3 and 24 h after reperfusion...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810292/-clinicopathologic-features-of-mammary-microglandular-adenosis-with-carcinoma-a-study-of-5-cases
#17
W Chen, C Wang, Z H Zhang, W M Zhang, Y Xu, G X Song
Objective: To study the clinicopathologic, immunohistochemical features, differential diagnoses and prognosis of mammary microglandular adenosis with carcinoma (MGACA) with micropapillary pattern. Methods: Five cases of MGACA were collected from 2010 to 2016 and reviewed for their clinical, histologic features and outcome.EnVision method were done for S-100 protein, cytokeratin (CK), p63, Calponin, smooth muscle myosin heavy chain (SMMHC), PR, ER and HER2. Results: Histologically, microglandular adenosis(MGA), atypical MGA (AMGA) and invasive carcinoma were seen in all five cases of MGACA...
August 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28810218/effect-of-cold-adapted-microbial-agent-inoculation-on-enzyme-activities-during-composting-start-up-at-low-temperature
#18
Qinghong Sun, Di Wu, Zhechao Zhang, Yue Zhao, Xinyu Xie, Junqiu Wu, Qian Lu, Zimin Wei
In order to put forward a method to promote composting start-up at low ambient temperature, the cold-adapted microbial agent (CAMA) was inoculated in chicken manure (CM), and compared the enzymes activities, including urease, proteases, β-glucosidase and invertase, with no CAMA group (CK). In this study, the temperature of CM reached 50°C in 53h, but it in CK was only around 30°C during the composting process. Moreover, the enzymes exhibited higher activity in CM than CK, indicating the effectiveness of CAMA...
August 5, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28809736/monosegmental-alpps-after-bilateral-hepatectomy
#19
Klaus Steinbru Ck, Marcelo D'Oliveira, Renato Cano, Marcelo Enne
Associated liver partition and portal vein ligation for staged hepatectomy (ALPPS) has emerged as an alternative for patients with bilobar colorectal liver metastasis and a small future liver remnant (FLR). In cases of extensive disease, ALPPS can be performed, leaving only one segment of the liver as FLR. We describe a case of monosegmental ALPPS using segment 4 as FLR. In conclusion, ALPPS should be reserved for a selected group of patients. Monosegmental ALPPS is feasible, but should be performed by hepatobiliary surgeons in specialized centers...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28808078/relationship-of-kidney-injury-biomarkers-with-long-term-cardiovascular-outcomes-after-cardiac-surgery
#20
Chirag R Parikh, Jeremy Puthumana, Michael G Shlipak, Jay L Koyner, Heather Thiessen-Philbrook, Eric McArthur, Kathleen Kerr, Peter Kavsak, Richard P Whitlock, Amit X Garg, Steven G Coca
Clinical AKI, measured by serum creatinine elevation, is associated with long-term risks of adverse cardiovascular (CV) events and mortality in patients after cardiac surgery. To evaluate the relative contributions of urine kidney injury biomarkers and plasma cardiac injury biomarkers in adverse events, we conducted a multicenter prospective cohort study of 968 adults undergoing cardiac surgery. On postoperative days 1-3, we measured five urine biomarkers of kidney injury (IL-18, NGAL, KIM-1, L-FABP, and albumin) and five plasma biomarkers of cardiac injury (NT-proBNP, H-FABP, hs-cTnT, cTnI, and CK-MB)...
August 14, 2017: Journal of the American Society of Nephrology: JASN
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