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https://www.readbyqxmd.com/read/28430866/maternal-high-sucrose-diets-altered-vascular-large-conductance-ca2-activated-k-channels-via-reactive-oxygen-species-in-offspring-rats%C3%A2
#1
Xueqin Feng, Xiuwen Zhou, Wenna Zhang, Xiang Li, Axin He, Bailin Liu, Ruixiu Shi, Lei Wu, Jue Wu, Di Zhu, Na Li, Miao Sun, Zhice Xu
Overnutrition during pregnancy could increase risks of cardiovascular diseases in late life. This study investigated whether and how reactive oxygen species (ROS) may influence functions of large-conductance Ca2+-activated K+ channels (BKCa) in the offspring exposed to prenatal high-sucrose (HS). We found that prenatal high-sucrose diets significantly increased phenylephrine (PE)-induced vessel contractions in mesenteric arteries of the adult offspring. Pretreatment with iberiotoxin (BKCa blocker, IBTX) significantly increased PE-mediated vascular contractions in the control, not in the HS group...
April 18, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28430815/soy-and-fish-as-features-of-the-japanese-diet-and-cardiovascular-disease-risks
#2
Yukio Yamori, Miki Sagara, Yoshimi Arai, Hitomi Kobayashi, Kazumi Kishimoto, Ikuko Matsuno, Hideki Mori, Mari Mori
In the World Health Organization (WHO)-coordinated Cardiovascular Disease and Alimentary Comparison Study, isoflavones (I; biomarker for dietary soy) and taurine (T; biomarker for dietary fish) in 24-hour-urine (24U) were inversely related to coronary heart disease (CHD) mortality. High levels of these biomarkers are found in Japanese people, whose CHD mortality is lowest among developed countries. We analyzed the association of these biomarkers with cardiovascular disease risk in the Japanese to know their health effects within one ethnic population...
2017: PloS One
https://www.readbyqxmd.com/read/28430802/the-quality-changes-in-fresh-frozen-plasma-of-the-blood-donors-at-high-altitude
#3
Zongkui Wang, Hua Liu, Miaomiao Dou, Xi Du, Jijun Hu, Na Su, Ya Wang, Rong Zhang, Changqing Li
OBJECTIVE: According to the international guidelines, fresh frozen plasma (FFP) is unanimously used to treat coagulation disorders. The quality of FFP is critical for the clinical transfusion. Till now, few studies have integratedly evaluated the differences of FFP from blood donors at between high altitude (HA) and low altitude (LA). Besides, there were no special quality standards for HA FFP in China. MATERIALS AND METHODS: Up to 41 HA (Lhasa, 3700 m) and 46 LA (Chengdu, 500 m) blood donors were included in our study to estimate the differences of FFP from HA and LA blood donors...
2017: PloS One
https://www.readbyqxmd.com/read/28430785/medical-expulsive-therapy-for-ureter-stone-using-naftopidil-a-multicenter-randomized-double-blind-and-placebo-controlled-trial
#4
Sung Yong Cho, Woong Na, Sang Wook Lee, Min Chul Cho, Jong Jin Oh, Sangchul Lee, Juhyun Park, Soyeon Ahn, Chang Wook Jeong
OBJECTIVES: A prospective, multicenter, randomized, double-blind, placebo-controlled trial evaluated the effects of naftopidil 75 mg for medical expulsive therapy for a single ureter stone. MATERIALS AND METHODS: Patients diagnosed with a ureter stone were prescribed aceclofenac 100 mg or a combined medication of tramadol 37.5 mg and acetaminophen 325 mg. Patients then randomly received either naftopidil 75 mg or placebo. Primary endpoint was the stone passage rate at 14 days after medication...
2017: PloS One
https://www.readbyqxmd.com/read/28430763/protective-effect-of-pinitol-against-inflammatory-mediators-of-rheumatoid-arthritis-via-inhibition-of-protein-tyrosine-phosphatase-non-receptor-type-22-ptpn22
#5
Kewen Zheng, Zhixuan Zhao, Na Lin, Yiyan Wu, Ying Xu, Wanli Zhang
BACKGROUND The aim of the current study was to explore the anti-arthritic effect of pinitol via assessing its effect on various inflammatory mediators and its possible mechanism of action. MATERIAL AND METHODS We assessed the anti-arthritic effect of pinitol in a formaldehyde- and CFA-induced arthritic model in Wistar Swiss albino strain rats divided into 6 groups. The rats received different doses of pinitol and indomethacin for 28 days. The arthritic index and body weight were determined at regular intervals, together with hepatic, hematological, and antioxidant parameters...
April 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28430668/a-turn-on-fluorescent-probe-for-endogenous-formaldehyde-in-the-endoplasmic-reticulum-of-living-cells
#6
Yonghe Tang, Yanyan Ma, An Xu, Gaoping Xu, Weiying Lin
As the simplest aldehyde compounds, formaldehyde (FA) is implicated in nervous system diseases and cancer. Endoplasmic reticulum is an organelle that plays important functions in living cells. Accordingly, the development of efficient methods for FA detection in the endoplasmic reticulum (ER) is of great biomedical importance. In this work, we developed the first ER-targeted fluorescent FA probe Na-FA-ER. The detection is based on the condensation reaction of the hydrazine group and FA to suppress the photo-induced electron transfer (PET) pathway, resulting in a fluorescence increase...
April 21, 2017: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28430656/thyroid-cancer-1-c8orf4-shows-high-expression-no-mutation-and-reduced-methylation-level-in-lung-cancers-and-its-expression-correlates-with-%C3%AE-catenin-and-dnmt1-expression-and-poor-prognosis
#7
Yi-Wen Zheng, Li Zhang, Yuan Wang, Song-Yan Chen, Lei Lei, Na Tang, Da-Lei Yang, Lin-Lin Bai, Xiu-Peng Zhang, Gui-Yang Jiang, Lian-He Yang, Hong-Tao Xu, Qing-Chang Li, Xue-Shan Qiu, En-Hua Wang
Thyroid cancer 1 (TC1, C8orf4) plays important roles in tumors. The aim of this study was to examine the protein expression levels, methylation status, and mutational status of TC1 (C8orf4) in lung cancers, and investigate the correlation between TC1, other members of the Wnt signaling pathway, and lung cancer. TC1 expression levels were assessed via immunohistochemical staining in 179 cases of lung cancer. β-catenin, TCF4, Axin, Disabled-2, Chibby, and DNA methyltransferase-1 (DNMT1) expressions were also examined...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430615/a-novel-mechanism-of-angiotensin-ii-regulated-placental-vascular-tone-in-the-development-of-hypertension-in-preeclampsia
#8
Qinqin Gao, Jiaqi Tang, Na Li, Xiuwen Zhou, Yongmei Li, Yanping Liu, Jue Wu, Yuxian Yang, Ruixiu Shi, Axin He, Xiang Li, Yingying Zhang, Jie Chen, Lubo Zhang, Miao Sun, Zhice Xu
The present study tested the hypothesis that angiotensin II plays a role in the regulation of placental vascular tone, which contributes to hypertension in preeclampsia. Functional and molecular assays were performed in large and micro placental and non-placental vessels from humans and animals. In human placental vessels, angiotensin II induced vasoconstrictions in 78.7% vessels in 155 tests, as referenced to KCl-induced contractions. In contrast, phenylephrine only produced contractions in 3.0% of 133 tests...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430608/adrenalectomy-abolishes-hypergravity-induced-gastric-acid-hyposecretion
#9
Kiyong Na, Hyun-Soo Kim
Jet fighter pilots experience high gravitational acceleration forces in the cephalocaudal direction (+Gz), causing severe stress. Stress affects different physiological functions of the gastrointestinal tract. Although the effects of exposure to hypergravity on cardiovascular and cerebral functions have been the subject of numerous studies, crucial information regarding potential pathophysiological alterations following hypergravity exposure in the gastrointestinal tract is lacking. We recently documented a significant decrease in gastric secretory activity in rats after acute exposure to hypergravity...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430607/simulated-weightlessness-affects-the-expression-and-activity-of-neuronal-nitric-oxide-synthase-in-the-rat-brain
#10
Nara Yoon, Kiyong Na, Hyun-Soo Kim
Spaceflight induces pathophysiological alterations in various organs. To study pathophysiological adaptations to weightlessness on the ground, the tail suspension (TS) rat model has been used to simulate the effects of weightlessness. There is currently little information on the effect of TS on the expression and activity of nitric oxide synthase (NOS) in the brain. In this study, we examined time-dependent alterations in the expression and activity of neuronal NOS (nNOS) in the brains of TS rats. Male Sprague-Dawley rats were tail-suspended for 1 (TS1), 7 (TS7), and 14 (TS14) days or rested on the ground for 3 days after 14 days of TS...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430579/antiangiogenesis-and-gene-aberration-related-therapy-may-improve-overall-survival-in-patients-with-concurrent-kras-and-tp53-hotspot-mutant-cancer
#11
Zhijie Wang, Sarina Piha-Paul, Filip Janku, Vivek Subbiah, Naiyi Shi, Jing Gong, Chetna Wathoo, Kenna Shaw, Kenneth Hess, Russell Broaddus, Aung Naing, David Hong, Apostolia M Tsimberidou, Daniel Karp, James Yao, Funda Meric-Bernstam, Siqing Fu
PURPOSE: Genetic alterations such as activating KRAS and/or inactivating TP53 are thought to be the most common drivers to tumorigenesis. Therefore, we assessed phase I cancer patients with KRAS+/TP53+ mutations. RESULTS: Approximately 8% of patients referred to phase I clinical trials harbored concurrent KRAS and TP53 mutations. Patients who received a phase I trial therapy (n = 57) had a median OS of 12 months, compared with 4.6 months in those who were not treated (n = 106; p = 0...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430281/insertion-of-sodium-phosphaethynolate-na-ocp-into-a-zirconium-benzyne-complex
#12
Jerod M Kieser, Robert J Gilliard, Arnold L Rheingold, Hansjörg Grützmacher, John D Protasiewicz
Reaction of the zirconium-benzyne complex [Cp2Zr(PMe3)(C6H4)] with sodium phosphaethynolate, Na[OCP], affords a zircono-phosphaalkene complex. Notably, unlike reactions of other transition metal complexes with Na[OCP] that yield the products of simple salt metathesis, this transformation represents novel Na[OCP] insertion chemistry and formation of an unusual solid state coordination polymer. The polymer is disrupted upon addition of Me3SiCl to afford a silyl-capped dimer that retains the zirconophosphaalkene functionality...
April 21, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28430222/impact-of-partial-coherence-on-the-apparent-optical-transfer-function-derived-from-the-response-to-amplitude-edges
#13
S Mojtaba Shakeri, Lucas J van Vliet, Sjoerd Stallinga
We present an investigation of the impact of partial coherence on optical imaging systems with the focus on whole slide imaging (WSI) systems for digital pathology. The investigation is based on the analysis of the edge response of the optical system, which gives rise to an apparent optical transfer function (OTF) that can be linked to two elementary complex functions Q and U. The function Q is directly related to the transmission cross coefficient (TCC) and can be identified with the performance function first introduced by Kintner and Sillitto...
April 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28430151/na-k-pump-and-beyond-na-k-atpase-as-a-modulator-of-apoptosis-and-autophagy
#14
REVIEW
Cassiano Felippe Gonçalves-de-Albuquerque, Adriana Ribeiro Silva, Camila Ignácio da Silva, Hugo Caire Castro-Faria-Neto, Patrícia Burth
Lung cancer is a leading cause of global cancer deaths. Na/K-ATPase has been studied as a target for cancer treatment. Cardiotonic steroids (CS) trigger intracellular signalling upon binding to Na/K-ATPase. Normal lung and tumour cells frequently express different pump isoforms. Thus, Na/K-ATPase is a powerful target for lung cancer treatment. Drugs targeting Na/K-ATPase may induce apoptosis and autophagy in transformed cells. We argue that Na/K-ATPase has a role as a potential target in chemotherapy in lung cancer treatment...
April 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28430118/testing-the-capacity-of-a-multi-nutrient-profiling-system-to-guide-food-and-beverage-reformulation-results-from-five-national-food-composition-databases
#15
Emilie Combet, Antonis Vlassopoulos, Famke Mölenberg, Mathilde Gressier, Lisa Privet, Craig Wratten, Sahar Sharif, Florent Vieux, Undine Lehmann, Gabriel Masset
Nutrient profiling ranks foods based on their nutrient composition, with applications in multiple aspects of food policy. We tested the capacity of a category-specific model developed for product reformulation to improve the average nutrient content of foods, using five national food composition datasets (UK, US, China, Brazil, France). Products (n = 7183) were split into 35 categories based on the Nestlé Nutritional Profiling Systems (NNPS) and were then classified as NNPS 'Pass' if all nutrient targets were met (energy (E), total fat (TF), saturated fat (SFA), sodium (Na), added sugars (AS), protein, calcium)...
April 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28429877/normal-weight-obesity-and-cardiometabolic-risk-a-7-year-longitudinal-study-in-girls-from-prepuberty-to-early-adulthood
#16
Petri Wiklund, Timo Törmäkangas, Yi Shi, Na Wu, Aki Vainionpää, Markku Alen, Sulin Cheng
OBJECTIVE: To study whether normal-weight obesity in childhood is associated with increased cardiometabolic risk in early adulthood. METHODS: This study assessed data for 236 girls followed from prepuberty to early adulthood. Growth chart data were obtained from birth to 18 years. Body composition was assessed by dual-energy x-ray absorptiometry and cardiometabolic risk by calculating continuous clustered risk score (at ages 11, 14, and 18). The association of body weight status with cardiometabolic risk from childhood to early adulthood was examined...
April 21, 2017: Obesity
https://www.readbyqxmd.com/read/28429511/in-situ-construction-of-stable-tissue-directed-reinforced-bifunctional-separator-protection-film-on-lithium-anode-for-lithium-oxygen-batteries
#17
Ji-Jing Xu, Qing-Chao Liu, Yue Yu, Jin Wang, Jun-Min Yan, Xin-Bo Zhang
To achieve a high reversibility and long cycle life for Li-O2 battery system, the stable tissue-directed/reinforced bifunctional separator/protection film (TBF) is in situ fabricated on the surface of metallic lithium anode. It is shown that a Li-O2 cell composed of the TBF-modified lithium anodes exhibits an excellent anodic reversibility (300 cycles) and effectively improved cathodic long lifetime (106 cycles). The improvement is attributed to the ability of the TBF, which has chemical, electrochemical, and mechanical stability, to effectively prevent direct contact between the surface of the lithium anode and the highly reactive reduced oxygen species (Li2 O2 or its intermediate LiO2 ) in cell...
April 21, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28429475/common-carotid-artery-sonography-versus-transthoracic-echocardiography-for-cardiac-output-measurements-in-intensive-care-unit-patients
#18
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/28429218/modification-of-calcium-activated-chloride-currents-in-cerebellar-purkinje-neurons
#19
E A Vikhareva, V L Zamoyski, V V Grigoriev
The whole-cell voltage clamp technique was employed to record the total ionic currents in rat cerebellar Purkinje neurons. When intrapipette solution contained 120 mM KCl, replacement of the standard external physiological saline with Na-free solution resulted in appearance of inward tail current after the end of the depolarizing pulse. When intrapipette potassium ions were replaced for cesium ones, the tail currents were observed even in the presence of normal Na(+) concentration (140 mM) in the external solution...
April 21, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28428989/generation-and-characterization-of-the-blood-transcriptome-of-macaca-thibetana-and-comparative-analysis-with-m-mulatta
#20
Peng Li, Lianming Du, Wujiao Li, Zhenxin Fan, Daiwen Zeng, Hui Chen, Liang Zhou, Yong Yi, Na Yang, Kefeng Dou, Bisong Yue, Jing Li
Transcriptome profiles provide a large transcript sequence data set for genomic study, particularly in organisms that have no accurate genome data published. The Tibetan macaque (Macaca thibetana) is commonly considered to be an endemic species to China and an important animal in biomedical research in the present day. In the present study, we report the de novo assembly and characterization of the blood transcriptome of the Tibetan macaque from three individuals, and we also sequenced the blood transcriptome of the rhesus macaque (Macaca mulatta) for comparison...
April 21, 2017: Molecular BioSystems
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