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https://www.readbyqxmd.com/read/28454323/microrna-29a-b-c-targets-inos-and-is-involved-in-protective-remote-ischemic-preconditioning-in-an-ischemia-reperfusion-rat-model-of-non-alcoholic-fatty-liver-disease
#1
Yun-Fei Duan, Dong-Lin Sun, Jing Chen, Feng Zhu, Yong An
Remote ischemic preconditioning (RIPC) protects against the injury that is incurred by ischemia and reperfusion (IR); however, the role of RIPC in liver IR injury in non-alcoholic fatty liver disease (NAFLD) remains unclear. In this study, a NAFLD rat model was utilized in a series of different surgical procedures and molecular experiments. Rats of the IR group and the RIPC+IR group exhibited more severe injury than NAFLD control rats (in which the liver was prodded following a median-incision laparotomy). The liver condition, measured by serum alanine transaminase and aspartate transaminase levels, of the RIPC+IR group was better than that of the IR group...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454237/marcks-phosphorylation-is-modulated-by-a-peptide-mimetic-of-marcks-effector-domain-leading-to-increased-radiation-sensitivity-in-lung-cancer-cell-lines
#2
Timothy D Rohrbach, Robert B Jones, Patricia H Hicks, Alice N Weaver, Tiffiny S Cooper, Nicholas J Eustace, Eddy S Yang, John S Jarboe, Joshua C Anderson, Christopher D Willey
Lung cancer is the leading cause of cancer-associated mortality in the United States. Kinase hyperactivation is a known mechanism of tumorigenesis. The phosphorylation status of the plasma membrane-associated protein myristoylated alanine rich C-kinase substrate (MARCKS) effector domain (ED) was previously established as being important in the sensitivity of lung cancer to radiation. Specifically, when MARCKS ED was in a non-phosphorylated state, lung cancer cells were more susceptible to ionizing radiation and experienced prolonged double-strand DNA breaks...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454217/paraganglioma-of-the-organ-of-zuckerkandl-associated-with-a-somatic-hif2%C3%AE-mutation-a-case-report
#3
Ahmad Esmaeel Abdullah, Carole Guerin, Alessio Imperiale, Anne Barlier, Stéphanie Battini, Morgane Pertuit, Philippe Roche, Wassim Essamet, Bernard Vaisse, Karel Pacak, Fréderic Sebag, David Taïeb
Paragangliomas of the organ of Zuckerkandl (OZ-PGL) are rare tumors that, in >70% of cases, occur in association with succinate dehydrogenase complex iron sulfur subunit B (SDHB) or SDHD gene mutations. The aim of the current study was to determine whether a somatic genetic defect in the hypoxia-inducible factor 2α (HIF2α) gene was present in a case of sporadic OZ-PGL. A 32-year-old African female presented with uncontrolled hypertension during the first trimester of pregnancy. A diagnostic hysteroscopy was performed 3 months after delivery, precipitating a hypertensive crisis...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28453535/plasma-amino-acids-and-metabolic-profiling-of-dairy-cows-in-response-to-a-bolus-duodenal-infusion-of-leucine
#4
Hassan Sadri, Dirk von Soosten, Ulrich Meyer, Jeannette Kluess, Sven Dänicke, Behnam Saremi, Helga Sauerwein
Leucine (Leu), one of the three branch chain amino acids, acts as a signaling molecule in the regulation of overall amino acid (AA) and protein metabolism. Leucine is also considered to be a potent stimulus for the secretion of insulin from pancreatice β-cells. Our objective was to study the effects of a duodenal bolus infusion of Leu on insulin and glucagon secretion, on plasma AA concentrations, and to do a metabolomic profiling of dairy cows as compared to infusions with either glucose or saline. Six duodenum-fistulated Holstein cows were studied in a replicated 3 × 3 Latin square design with 3 periods of 7 days, in which the treatments were applied at the end of each period...
2017: PloS One
https://www.readbyqxmd.com/read/28449478/protective-effect-of-propofol-preconditioning-on-ischemia-reperfusion-injury-in-human-hepatocyte
#5
Yuzhu Zhang, Zhenzhen Chen, Nianhai Feng, Junxia Tang, Xingbo Zhao, Chengxiao Liu, Hongyu Xu, Mengyuan Zhang
BACKGROUND: Blood reperfusion after ischemia is the main measure to restore cell function. This study was aimed to explore the effect of propofol on rat and cell models of liver ischemia-reperfusion (I/R) injury, and to investigate its possible mechanism. METHODS: Wistar rats were divided into four groups: control group, sham group, I/R group, and propofol group. Human hepatocyte HL7702 was divided into six groups: control group, I/R group and propofol (5, 10, 20 and 40 µmol/L) groups...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28448964/antioxidant-and-hepatoprotective-effect-of-swertiamarin-on-carbon-tetrachloride-induced-hepatotoxicity-via-the-nrf2-ho-1-pathway
#6
Tao Wu, Jingjing Li, Yong Li, Hongping Song
BACKGROUND/AIMS: Swertiamarin (STM), the main bioactive component in Swertia mussotii Franch (Gentianaceae), has been shown to exert hepatoprotective effects on experimental liver injury. However, the effects and exact mechanisms of STM on carbon tetrachloride (CCl4) causing hepatotoxicity are still unknown. This study investigated the potential protective effects and mechanisms of STM on CCl4-induced liver injury in rats. METHODS: Adult male Sprague-Dawley (SD) rats were exposed to CCl4 with or without STM co-administration for consecutive eight weeks...
April 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28448891/plasma-ferritin-c-reactive-protein-and-risk-of-incident-type-2-diabetes-in-singapore-chinese-men-and-women
#7
Ye-Li Wang, Woon-Puay Koh, Jian-Min Yuan, An Pan
AIMS: Ferritin is postulated to be involved in diabetogenesis as a marker of iron stores. We prospectively examined the association between ferritin levels and type 2 diabetes (T2D) risk in a Chinese population. METHODS: Plasma ferritin concentrations were assayed among 485 diabetes cases and 485 controls nested within the Singapore Chinese Health Study. Cases and controls were matched on age, gender, date of blood collection, and dialect group. Participants were free of diagnosed diabetes, cardiovascular disease, and cancer at blood collection (1999-2004)...
April 13, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28448564/insights-into-the-biochemical-defence-and-methylation-of-the-solitary-bee-osmia-rufa-l-a-foundation-for-examining-eusociality-development
#8
Aneta Strachecka, Jacek Chobotow, Jerzy Paleolog, Aleksandra Łoś, Michał Schulz, Dariusz Teper, Halina Kucharczyk, Maciej Grzybek
We examined age-related biochemical and histological changes in the fat bodies and hemolymph of Osmia rufa males and females. We analysed solitary bees during diapause, in October and in April; as well as the flying insects following diapause, in May and June. The trophocyte sizes, as well as the numbers of lipid droplets were the greatest at the beginning of diapause. Subsequently, they decreased along with age. Triglyceride and glucose concentrations systematically decreased in fat body cells but increased in the hemolymph from October to June...
2017: PloS One
https://www.readbyqxmd.com/read/28448552/transcriptomic-analysis-of-the-hepatic-response-to-stress-in-the-red-cusk-eel-genypterus-chilensis-insights-into-lipid-metabolism-oxidative-stress-and-liver-steatosis
#9
Sebastian Naour, Brisa M Espinoza, Jorge E Aedo, Rodrigo Zuloaga, Jonathan Maldonado, Macarena Bastias-Molina, Herman Silva, Claudio Meneses, Cristian Gallardo-Escarate, Alfredo Molina, Juan Antonio Valdés
Teleosts exhibit a broad divergence in their adaptive response to stress, depending on the magnitude, duration, and frequency of stressors and the species receiving the stimulus. We have previously reported that the red cusk-eel (Genypterus chilensis), an important marine farmed fish, shows a physiological response to stress that results in increased skeletal muscle atrophy mediated by over-expression of components of the ubiquitin proteasome and autophagy-lysosomal systems. To better understand the systemic effects of stress on the red cusk-eel metabolism, the present study assessed the transcriptomic hepatic response to repetitive handling-stress...
2017: PloS One
https://www.readbyqxmd.com/read/28448545/vitamin-d3-induced-hypercalcemia-increases-carbon-tetrachloride-induced-hepatotoxicity-through-elevated-oxidative-stress-in-mice
#10
Hiroki Yoshioka, Haruki Usuda, Nobuhiko Miura, Nobuyuki Fukuishi, Tsunemasa Nonogaki, Satomi Onosaka
The aim of this study was to determine whether calcium potentiates acute carbon tetrachloride (CCl4) -induced toxicity. Elevated calcium levels were induced in mice by pre-treatment with cholecalciferol (vitamin D3; V.D3), a compound that has previously been shown to induce hypercalcemia in human and animal models. As seen previously, mice injected with CCl4 exhibited increased plasma levels of alanine aminotransferase, aspartate aminotransferase, and creatinine; transient body weight loss; and increased lipid peroxidation along with decreased total antioxidant power, glutathione, ATP, and NADPH...
2017: PloS One
https://www.readbyqxmd.com/read/28448433/prevalence-and-correlates-of-suspected-nonalcoholic-fatty-liver-disease-in-chinese-children
#11
Peige Song, Jinyue Yu, Manli Wang, Xinlei Chang, Jiawen Wang, Lin An
Nonalcoholic fatty liver disease (NAFLD) has become a serious public health problem worldwide; however, the availability of information on the prevalence of NAFLD in the general pediatric population is still limited. The primary aim of this study was to reveal the prevalence and correlates of suspected NAFLD in Chinese children at the national level. Data from the China Health and Nutrition Surveys (CHNS) was used. Weight, height, waist circumference (WC), blood pressure (BP) were measured for children aged 7-18 years...
April 27, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28448125/efficient-computation-of-exchange-energy-density-with-gaussian-basis-functions
#12
Fenglai Liu, Jing Kong
Density Functional Theory(DFT) is widely applied in chemistry and Physics. Still it fails to predict correctly quantitatively or even qualitatively for systems with significant nondynamic correlations. Several DFT functionals were proposed in recently years to treat nondynamic correlation, most of which added the exact exchange energy density as a new variable, which becomes the computational bottleneck for calculations with these new functionals We present an implementation of an efficient seminumerical algorithm in this paper as a solution for this computational bottleneck...
April 27, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28448086/effects-of-running-wheel-activity-and-dietary-hmb-and-%C3%AE-alanine-co-supplementation-on-muscle-quality-in-aged-male-rats
#13
D W Russ, C Acksel, K W McCorkle, N K Edens, S M Garvey
OBJECTIVE: Loss of skeletal muscle function is linked to increased risk for loss of health and independence in older adults. Dietary interventions that can enhance aging muscle function, alone or in combination with exercise, may offer an effective way to reduce these risks. The goal of this study was to evaluate the muscular effects of beta-hydroxy-beta-methylbutyrate (HMB) and beta-alanine (β-Ala) co-supplementation in aged Sprague-Dawley rats with voluntary access to running wheels (RW)...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28448083/are-dietary-supplements-and-nutraceuticals-effective-for-musculoskeletal-health-and-cognitive-function-a-scoping-review
#14
G Iolascon, R Gimigliano, M Bianco, A De Sire, A Moretti, A Giusti, N Malavolta, S Migliaccio, A Migliore, N Napoli, P Piscitelli, G Resmini, U Tarantino, F Gimigliano
OBJECTIVE: The aim of our scoping review was to summarize the state of the art regarding micronutrients in order to identify which of them might effectively improve health status in the areas typically impaired in older people: bone, skeletal muscle, and cognitive function. DESIGN: Scoping review. METHODS: The Italian Study Group on Healthy Aging by Nutraceuticals and Dietary Supplements (HANDS) performed this scoping review, based on the following steps: doing a list of micronutrients related with musculoskeletal or cognitive functions, included in dietary supplements and nutraceuticals commercialized in Italy; planning a research on PubMed, according to an evidence-based approach, in order to the most relevant positive study for each micronutrient into each of the three areas involved (bone, skeletal muscle and cognitive function); identifying the micronutrients effective in maintaining or achieving an adequate health status in older people, specifying the effective and safe daily doses, according to the selected studies...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28447858/risk-prediction-of-hepatotoxicity-in-paracetamol-poisoning
#15
Anselm Wong, Andis Graudins
CONTEXT: Paracetamol (acetaminophen) poisoning is the most common cause of acute liver failure in the developed world. A paracetamol treatment nomogram has been used for over four decades to help determine whether patients will develop hepatotoxicity without acetylcysteine treatment, and thus indicates those needing treatment. Despite this, a small proportion of patients still develop hepatotoxicity. More accurate risk predictors would be useful to increase the early detection of patients with the potential to develop hepatotoxicity despite acetylcysteine treatment...
April 27, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28447737/17%C3%AE-estradiol-protects-against-doxorubicin-induced-cardiotoxicity-in-male-sprague-dawley-rats-by-regulating-nadph-oxidase-and-apoptosis-genes
#16
Xiao-Juan Zhang, Xiao-Qing Cao, Chun-Sheng Zhang, Zhuo Zhao
Doxorubicin (DOX) is one of the most effective chemotherapeutic agents for the treatment of a number of malignancies. However, its use is limited by serious cardiotoxic effects, for which there are currently no reliable pharmacologic therapies. Estrogen has exhibited protective effects against cardiac stressors in male and female animal models; however, its effects on DOX‑induced cardiotoxicity remain unknown. High mortality and morbidity rates have been observed in patients with cancer worldwide, and DOX is often administered to a greater number of men than women...
March 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447718/role-of-histone-deacetylase-expression-levels-and-activity-in-the-inflammatory-responses-of-patients-with-chronic-hepatitis-b
#17
Haiyue Zhang, Xun Li, Qian Zhang, Fan Yang, Xiaogang Chu, Di Zhang, Luwen Wang, Zuojiong Gong
Histone acetylation has been demonstrated to serve a pivotal role in numerous inflammatory diseases. The present study examined histone acetylation in patients with chronic hepatitis B (CHB) and CHB with liver failure by detecting histone deacetylase (HDAC) activity. Mice with acute liver failure (ALF) were treated with the HDAC inhibitor entinostat (MS275) and alterations in HDAC activity and pro‑inflammatory cytokine expression levels were detected. The effect of HDAC1 silencing on LPS-treated RAW264.7 murine macrophages was examined using specific small interfering RNA sequences, and the acetylation level of the non‑histone nuclear factor‑κB (NF‑κB) p65 subunit was additionally examined...
March 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447517/hepatoprotective-potential-of-phyllanthus-muellarianus-leaf-extract-studies-on-hepatic-oxidative-stress-and-inflammatory-biomarkers
#18
Taofeek O Ajiboye, Fatimah M Ahmad, Airat O Daisi, Aminat A Yahaya, Oluwayemisi B Ibitoye, Hamdalat F Muritala, Taofik O Sunmonu
CONTEXT: Leaves of Phyllanthus muellarianus (Kuntze) Exell. (Euphorbiacea) are widely used in the management of liver disorders in Nigeria. However, no there is no scientific validation to support this use. OBJECTIVE: Hepatoprotective effect of Phyllanthus muellarianus aqueous leaf extract was investigated in acetaminophen-induced liver injury mice. MATERIALS AND METHODS: Hepatoprotective effect of Phyllanthus muellarianus aqueous leaf extract was evaluated in acetaminophen-induced hepatic damage in Swiss albino mice using biomarkers of hepatocellular indices, oxidative stress, proinflammatory factors and lipid peroxidation...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28447460/effects-of-histidine-supplementation-on-global-serum-and-urine-1h-nmr-based-metabolomics-and-serum-amino-acid-profiles-in-obese-women-from-a-randomized-controlled-study
#19
Shanshan Du, Shuhong Sun, Liyan Liu, Qiao Zhang, Fuchuan Guo, Chunlong Li, Rennan Feng, Changhao Sun
The aim of current study was to investigate the metabolic changes associated with histidine supplementation in serum and urine metabolic signatures and serum amino acid (AA) profiles. Serum and urine 1H NMR-based metabolomics and serum AAs profiles were employed in thirty two and thirty seven obese women with metabolic syndrome (MetS) intervened with placebo or histidine for 12 weeks. Multivariable statistical analysis were conducted to define characteristic metabolites. In serum 1H NMR metabolic profiles, increases in histidine, glutamine, aspartate, glycine, choline, and trimethylamine-N-oxide (TMAO) were observed, meanwhile, decreases in cholesterol, triglycerides, fatty acids and unsaturated lipids, acetone, and α/β-Glucose were exhibited after histidine supplement...
April 27, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28447334/-1-h-nmr-1-h-nmr-t2-edited-and-2d-nmr-in-bipolar-disorder-metabolic-profiling
#20
Sumit Sethi, Mariana Pedrini, Lucas B Rizzo, Maiara Zeni-Graiff, Caroline Dal Mas, Ana Cláudia Cassinelli, Mariane N Noto, Elson Asevedo, Quirino Cordeiro, João G M Pontes, Antonio J M Brasil, Acioly Lacerda, Mirian A F Hayashi, Ronei Poppi, Ljubica Tasic, Elisa Brietzke
BACKGROUND: The objective of this study was to identify molecular alterations in the human blood serum related to bipolar disorder, using nuclear magnetic resonance (NMR) spectroscopy and chemometrics. METHODS: Metabolomic profiling, employing (1)H-NMR, (1)H-NMR T2-edited, and 2D-NMR spectroscopy and chemometrics of human blood serum samples from patients with bipolar disorder (n = 26) compared with healthy volunteers (n = 50) was performed. RESULTS: The investigated groups presented distinct metabolic profiles, in which the main differential metabolites found in the serum sample of bipolar disorder patients compared with those from controls were lipids, lipid metabolism-related molecules (choline, myo-inositol), and some amino acids (N-acetyl-L-phenyl alanine, N-acetyl-L-aspartyl-L-glutamic acid, L-glutamine)...
December 2017: International Journal of Bipolar Disorders
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