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https://www.readbyqxmd.com/read/28342584/dispersive-liquid-liquid-microextraction-and-injection-port-derivatization-for-the-determination-of-free-lipophilic-compounds-in-fruit-juices-by-gas-chromatography-mass-spectrometry
#1
Alexis Marsol-Vall, Mercè Balcells, Jordi Eras, Ramon Canela-Garayoa
A method consisting of dispersive liquid-liquid microextraction (DLLME) followed by injection-port derivatization and gas chromatography-mass spectrometry (GC-MS) for the analysis of free lipophilic compounds in fruit juices is described. The method allows the analysis of several classes of lipophilic compounds, such as fatty acids, fatty alcohols, phytosterols and triterpenes. The chromatographic separation of the compounds was achieved in a chromatographic run of 25.5min. The best conditions for the dispersive liquid-liquid microextraction were 100μL of CHCl3 in 1mL of acetone...
March 18, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28338859/the-healthy-nordic-diet-predicts-muscle-strength-10-years-later-in-old-women-but-not-old-men
#2
Mia-Maria Perälä, Mikaela B von Bonsdorff, Satu Männistö, Minna K Salonen, Mika Simonen, Noora Kanerva, Taina Rantanen, Pertti Pohjolainen, Johan G Eriksson
Background: a number of nutrients have been found to be associated with better muscle strength and mass; however, the role of the whole diet on muscle strength and mass remains still unknown. Objective: to examine whether the healthy Nordic diet predicts muscle strength, and mass 10 years later among men and women. Methods: about 1,072 participants belong to the Helsinki Birth Cohort Study, born 1934-44. Diet was assessed with a validated food-frequency questionnaire during 2001-04...
March 10, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28338115/resveratrol-supplementation-in-patients-with-non-alcoholic-fatty-liver-disease-systematic-review-and-meta-analysis
#3
REVIEW
Ahmed Elgebaly, Ibrahim A I Radwan, Mohamed M AboElnas, Hamza H Ibrahim, Moutaz F M Eltoomy, Ahmed A Atta, Hend A Mesalam, Alaa A Sayed, Amr A Othman
BACKGROUND: Resveratrol is a potential treatment option for management of non-alcoholic fatty liver disease (NAFLD) due to its anti-inflammatory, antioxidant properties, and calorie restriction-like effects. We aimed to synthesise evidence from published randomized clinical trials (RCTs) about the efficacy of resveratrol in the management of NAFLD. METHODS: A computer literature search of PubMed, Scopus, Web of Science, and Cochrane Central was conducted using relevant keywords...
March 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28337253/hepatoprotective-effects-of-antrodia-cinnamomea-the-modulation-of-oxidative-stress-signaling-in-a-mouse-model-of-alcohol-induced-acute-liver-injury
#4
Yange Liu, Juan Wang, Lanzhou Li, Wenji Hu, Yidi Qu, Yipei Ding, Lina Meng, Lirong Teng, Di Wang
In the present study, the components of A. cinnamomea (AC) mycelia were systematically analyzed. Subsequently, its hepatoprotective effects and the underlying mechanisms were explored using a mouse model of acute alcohol-induced liver injury. AC contained 25 types of fatty acid, 16 types of amino acid, 3 types of nucleotide, and 8 types of mineral. The hepatoprotective effects were observed after 2 weeks of AC treatment at doses of 75 mg/kg, 225 mg/kg, and 675 mg/kg in the mouse model. These effects were indicated by the changes in the levels of aspartate aminotransferase, alanine aminotransferase, several oxidation-related factors, and inflammatory cytokines in serum and/or liver samples...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28336739/disparities-between-research-attention-and-burden-in-liver-diseases-implications-on-uneven-advances-in-pharmacological-therapies-in-europe-and-the-usa
#5
Nambi Ndugga, Teisha G Lightbourne, Kavon Javaherian, Joaquin Cabezas, Neha Verma, A Sidney Barritt, Ramon Bataller
OBJECTIVES: Effective oral therapies for hepatitis B and C have recently been developed, while there are no approved pharmacological therapies for alcoholic and non-alcoholic fatty liver diseases (ALD and NAFLD). We hypothesise that fewer advances in fatty liver diseases could be related to disparities in research attention. METHODS: We developed the Attention-to-Burden Index (ABI) that compares the research activities during 2010-2014, and an estimate of disease burden of these 4 major liver diseases...
March 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/28335977/simultaneous-determination-of-ethanol-s-four-types-of-non-oxidative-metabolites-in-human-whole-blood-by-liquid-chromatography-tandem-mass-spectrometry
#6
Xinyu Zhang, Feng Zheng, Zebin Lin, Sys Stybe Johansen, Tianfang Yu, Yuming Liu, Zhibin Huang, Jiaolun Li, Jie Yan, Yulan Rao
The importance of ethanol non-oxidative metabolites as the specific biomarkers of alcohol consumption in clinical and forensic settings is increasingly acknowledged. Simultaneous determination of these metabolites can provide a wealth of information like drinking habit and history, but it was difficult to achieve because of their wide range of polarity. This work describes development and validation of a simple liquid chromatography tandem mass spectrometry (LC-MS/MS) assay for 4 types of ethanol non-oxidative metabolites (ethyl glucuronide, ethyl sulfate, fatty acid ethyl esters and phosphatidylethanols) in 50 μL of human whole blood...
April 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28335448/a-community-multi-omics-approach-towards-the-assessment-of-surface-water-quality-in-an-urban-river-system
#7
David J Beale, Avinash V Karpe, Warish Ahmed, Stephen Cook, Paul D Morrison, Christopher Staley, Michael J Sadowsky, Enzo A Palombo
A multi-omics approach was applied to an urban river system (the Brisbane River (BR), Queensland, Australia) in order to investigate surface water quality and characterize the bacterial population with respect to water contaminants. To do this, bacterial metagenomic amplicon-sequencing using Illumina next-generation sequencing (NGS) of the V5-V6 hypervariable regions of the 16S rRNA gene and untargeted community metabolomics using gas chromatography coupled with mass spectrometry (GC-MS) were utilized. The multi-omics data, in combination with fecal indicator bacteria (FIB) counts, trace metal concentrations (by inductively coupled plasma mass spectrometry (ICP-MS)) and in-situ water quality measurements collected from various locations along the BR were then used to assess the health of the river ecosystem...
March 14, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335388/a-combination-of-flaxseed-oil-and-astaxanthin-improves-hepatic-lipid-accumulation-and-reduces-oxidative-stress-in-high-fat-diet-fed-rats
#8
Jiqu Xu, Shuang Rong, Hui Gao, Chang Chen, Wei Yang, Qianchun Deng, Qingde Huang, Lingyun Xiao, Fenghong Huang
Hepatic lipid accumulation and oxidative stress are crucial pathophysiological mechanisms for non-alcoholic fatty liver disease (NAFLD). Thus, we examined the effect of a combination of flaxseed oil (FO) and astaxanthin (ASX) on hepatic lipid accumulation and oxidative stress in rats fed a high-fat diet. ASX was dissolved in flaxseed oil (1 g/kg; FO + ASX). Animals were fed diets containing 20% fat, where the source was lard, or 75% lard and 25% FO + ASX, or 50% lard and 50% FO + ASX, or FO + ASX, for 10 weeks...
March 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28335383/a-biomedical-investigation-of-the-hepatoprotective-effect-of-radix-salviae-miltiorrhizae-and-network-pharmacology-based-prediction-of-the-active-compounds-and-molecular-targets
#9
Ming Hong, Sha Li, Ning Wang, Hor-Yue Tan, Fan Cheung, Yibin Feng
Radix salviae miltiorrhizae (Danshen in Chinese), a classic traditional Chinese medicine (TCM) herb, has been used for centuries to treat liver diseases. In this study, the preventive and curative potential of Danshen aqueous extract on acute/chronic alcoholic liver disease (ALD) and non-alcoholic fatty liver disease (NAFLD) was studied. The in vivo results indicated that Danshen could alleviate hepatic inflammation, fatty degeneration, and haptic fibrogenesis in ALD and NAFLD models. In the aspect of mechanism of action, the significant reduction in MDA levels in both ALD and NAFLD models implies the decreased levels of oxidative stress by Danshen...
March 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28333768/management-of-pediatric-non-alcoholic-fatty-liver-disease-by-academic-hepatologists-in-canada-a-nationwide-survey
#10
Marialena Mouzaki, Simon C Ling, Richard A Schreiber, Binita M Kamath
BACKGROUND: The literature on the optimal clinical management of pediatric patients with non-alcoholic fatty liver disease (NAFLD) is limited. The objective of this study was to identify discrepancies in the care provided to patients with NAFLD by hepatologists practicing in academic centers across Canada. METHODS: A nationwide survey was distributed electronically to all pediatric hepatologists practicing in university-affiliated hospitals using the infrastructure of the Canadian Pediatric Hepatology Research Group...
March 22, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28333357/dietary-patterns-foods-and-nutrients-in-male-fertility-parameters-and-fecundability-a-systematic-review-of-observational-studies
#11
Albert Salas-Huetos, Mònica Bulló, Jordi Salas-Salvadó
BACKGROUND: Infertility is a global public health issue, affecting 15% of all couples of reproductive age. Male factors, including decreased semen quality, are responsible for ~25% of these cases. The dietary pattern, the components of the diet and nutrients have been studied as possible determinants of sperm function and/or fertility. OBJECTIVE AND RATIONALE: Previous systematic reviews have been made of the few heterogeneous low-quality randomized clinical trials (RCTs) conducted in small samples of participants and investigating the effect of specific nutrients and nutritional supplements on male infertility...
March 10, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28333073/effects-of-melatonin-on-liver-injuries-and-diseases
#12
REVIEW
Jiao-Jiao Zhang, Xiao Meng, Ya Li, Yue Zhou, Dong-Ping Xu, Sha Li, Hua-Bin Li
Liver injuries and diseases are serious health problems worldwide. Various factors, such as chemical pollutants, drugs, and alcohol, could induce liver injuries. Liver diseases involve a wide range of liver pathologies, including hepatic steatosis, fatty liver, hepatitis, fibrosis, cirrhosis, and hepatocarcinoma. Despite all the studies performed up to now, therapy choices for liver injuries and diseases are very few. Therefore, the search for a new treatment that could safely and effectively block or reverse liver injuries and diseases remains a priority...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28332619/retinol-binding-protein-4-levels-and-non-alcoholic-fatty-liver-disease-a-community-based-cross-sectional-study
#13
Xuechen Chen, Tianran Shen, Qing Li, Xu Chen, Yanping Li, Dan Li, Gengdong Chen, Wenhua Ling, Yu-Ming Chen
Previous reports on the association between retinol binding protein 4 (RBP4) and nonalcoholic fatty liver disease (NAFLD) were controversial. This study aimed to investigate the association between the serum RBP4 levels and occurrence of NAFLD in Chinese population. In total, 2938 participants aged 40-75 years were involved in this community-based cross-sectional study. General information, lifestyle factors, serum levels of RBP4 and the presence of NAFLD were determined. Patients with NAFLD had significantly higher concentrations of RBP4 (37...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332301/a-randomized-trial-comparing-gliclazide-liraglutide-and-metformin-effects-on-diabetes-with-nonalcoholic-fatty-liver-disease
#14
Wenhuan Feng, Caixia Gao, Yan Bi, Min Wu, Ping Li, Shanmei Shen, Wei Chen, Tingting Yin, Dalong Zhu
OBJECTIVE: To compare the effects of gliclazide, liraglutide, and metformin in type 2 diabetes mellitus (T2DM) patients with non-alcoholic fatty liver disease (NAFLD). METHODS: Eighty-seven subjects were randomized to receive liraglutide, metformin, or gliclazide for 24 weeks. Primary outcomes included hemoglobin A1c (HbA1c) levels, intrahepatic fat (IHF) content, and liver function. RESULTS: HbA1c levels and IHF content reduced after treatment in the three groups...
March 23, 2017: Journal of Diabetes
https://www.readbyqxmd.com/read/28331563/%C3%A2-evaluation-of-serum-hbv-viral-load-transaminases-and-histological-features-in-chronic-hbeag-negative-hepatitis-b-patients
#15
Abbas Esmaeelzadeh, Hassan Saadatnia, Bahram Memar, Elham Mokhtari Amirmajdi, Azita Ganji, Ladan Goshayeshi, Zahra Meshkat, Alireza Pasdar, Hassan Vosoughinia, Mohammadreza Farzanehfar, Shahrzad Tehranian, Kamran Ghaffarzadehgan, Farnood Rajabzadeh, Mitra Ahadi
AIM: To evaluate the association between biochemical, virologic and histologic features in patients with HBeAg-negative chronic hepatitis B (CHB). BACKGROUND: Hepatitis-B e-antigen (HBeAg)-negative is common in Iran, is progressive with poor prognosis. Therefore, it seems necessary to perform a comprehensive evaluation of different spectrum of laboratory measurements accompanying histological findings. METHODS: HBeAg- negative CHB patients referring to two university hospitals during two years were enrolled...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28331449/cyclin-d1-in-the-liver-role-of-noncanonical-signaling-in-liver-steatosis-and-hormone-regulation
#16
Kelley G Núñez, Janet Gonzalez-Rosario, Paul T Thevenot, Ari J Cohen
BACKGROUND: Cyclin D1 is an important protein for cell cycle progression; however, functions independent of the cell cycle have been described in the liver. Cyclin D1 is also involved in DNA repair, is overexpressed in many cancers, and functions as a proto-oncogene. The lesser-known roles of Cyclin D1, specifically in hepatocytes, impact liver steatosis and hormone regulation in the liver. METHODS: A comprehensive search of PubMed was conducted using the keywords Cyclin D1, steatosis, lipogenesis, and liver transplantation...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28330472/impaired-lung-function-is-associated-with-non-alcoholic-fatty-liver-disease-independently-of-metabolic-syndrome-features-in-middle-aged-and-elderly-chinese
#17
Li Qin, Weiwei Zhang, Zhen Yang, Yixin Niu, Xiaoyong Li, Shuai Lu, Yin Xing, Ning Lin, Hongmei Zhang, Guang Ning, Jiangao Fan, Qing Su
BACKGROUND: Associations between lung function and non-alcoholic fatty liver disease (NAFLD) have been reported. However, evidence from large-scale populations about the relationship is scarce. The objective of the study was to evaluate the relationship between lung function and NAFLD in middle-aged and elderly Chinese. METHODS: A total of 1842 participants aged 40 years or older were recruited from Chongming District, Shanghai, China. Lung function, evaluated by forced vital capacity (FVC) and forced expiratory volume in one second (FEV1) was measured with standard spirometry...
March 22, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28328038/superbasic-alkyl-substituted-bisphosphazene-proton-sponges-a-new-class-of-deprotonating-matrices-for-negative-ion-matrix-assisted-ionization-laser-desorption-mass-spectrometry-of-low-molecular-weight-hardly-ionizable-analytes
#18
C D Calvano, T R I Cataldi, J F Kögel, A Monopoli, F Palmisano, J Sundermeyer
RATIONALE: Here hardly ionizable and low molecular weight compounds are detected in negative ion mode by using novel superbasic proton sponges based on 1,8-bisphosphazenylnaphthalene (PN) as MALDI matrices. Among the selected proton sponges, 1,8-bis(trispyrrolidinophosphazenyl)naphthalene (TPPN) has shown the best behaviour as matrix since it allows the direct detection of intact cholesterol without derivatization also in real challenging samples. METHODS: Very weakly acidic compounds such as sterols, steroids, fatty alcohols and saccharides were detected in reflectron negative ion mode by a MALDI TOF/TOF system equipped with a neodymium-doped yttrium lithium fluoride (Nd:YLF) laser (345 nm) with typical mass accuracy of 10 ppm...
July 30, 2016: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28327588/pharmacological-inhibition-of-adipose-triglyceride-lipase-corrects-high-fat-diet-induced-insulin-resistance-and-hepatosteatosis-in-mice
#19
Martina Schweiger, Matthias Romauch, Renate Schreiber, Gernot F Grabner, Sabrina Hütter, Petra Kotzbeck, Pia Benedikt, Thomas O Eichmann, Sohsuke Yamada, Oskar Knittelfelder, Clemens Diwoky, Carina Doler, Nicole Mayer, Werner De Cecco, Rolf Breinbauer, Robert Zimmermann, Rudolf Zechner
Elevated circulating fatty acids (FAs) contribute to the development of obesity-associated metabolic complications such as insulin resistance (IR) and non-alcoholic fatty liver disease (NAFLD). Hence, reducing adipose tissue lipolysis to diminish the mobilization of FAs and lower their respective plasma concentrations represents a potential treatment strategy to counteract obesity-associated disorders. Here we show that specific inhibition of adipose triglyceride lipase (Atgl) with the chemical inhibitor, Atglistatin, effectively reduces adipose tissue lipolysis, weight gain, IR and NAFLD in mice fed a high-fat diet...
March 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28326519/influence-of-diet-on-the-risk-of-developing-endometriosis
#20
Joanna Jurkiewicz-Przondziono, Magdalena Lemm, Anna Kwiatkowska-Pamuła, Ewa Ziółko, Mariusz K Wójtowicz
Endometriosis is a hormone-dependent chronic inflammatory disease characterized by the presence of endometrium beyond the uterine cavity. The disease affects 5-15% of women of child-bearing age, 30-50% of whom suffer from infertility. Understanding the role of dietary factors in the development of endometriosis is critical to development of effective dietary instructions for prevention. Existing studies concerning nutrition and endometriosis suggest that diet is a potentially modifiable risk factor for endometriosis...
2017: Ginekologia Polska
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