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https://www.readbyqxmd.com/read/28735496/low-level-prenatal-toxin-exposures-and-breastfeeding-duration-a-prospective-cohort-study
#1
Casey B Rosen-Carole, Peggy Auinger, Cynthia R Howard, Elizabeth A Brownell, Bruce P Lanphear
Introduction Maternal exposure to tobacco smoke is associated with shortened breastfeeding duration, but few studies have examined the effects on breastfeeding outcomes of low level exposures to other toxic chemicals. Moreover, it is unclear if passive smoking is associated with duration of breastfeeding. Our objective was therefore to examine the effect of low-level prenatal exposures to common environmental toxins (tobacco smoke, lead, and phthalates) on breastfeeding exclusivity and duration. Methods We conducted an analysis of data from the Health Outcomes and Measures of the Environment (HOME) Study...
July 22, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28733880/effect-of-asiatic-acid-on-the-ang-ii-at1r-nadph-oxidase-nf-%C3%AE%C2%BAb-pathway-in-renovascular-hypertensive-rats
#2
Putcharawipa Maneesai, Sarawoot Bunbupha, Upa Kukongviriyapan, Laddawan Senggunprai, Veerapol Kukongviriyapan, Parichat Prachaney, Poungrat Pakdeechote
Asiatic acid, a triterpenoid compound derived from Centella asiatica, has been demonstrated to have antioxidant and anti-inflammatory effects. The present study evaluated the effects of asiatic acid on hemodynamic alterations, renin-angiotensin system (RAS), oxidative stress, and inflammation in 2K-1C hypertensive rats. Renovascular hypertension was induced in male Sprague-Dawley rats and treated with vehicle, asiatic acid (30 mg/kg/day), or captopril (5 mg/kg/day) for 4 weeks. We observed that 2K-1C hypertensive rats exhibited hemodynamic alterations such as high blood pressure, heart rate, hindlimb vascular resistance, and low hindlimb blood flow...
July 21, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28732111/characterization-of-metabolic-pathways-and-absorption-of-sea-cucumber-saponins-holothurin-a-and-echinoside-a-in-vitro-and-in-vivo
#3
Shanshan Song, Lingyu Zhang, Jian Cao, Gao Xiang, Peixu Cong, Ping Dong, Zhaojie Li, Changhu Xue, Yong Xue, Yuming Wang
Sea cucumber saponins (SCSs) exhibit a wide spectrum of bioactivities, but their metabolic characteristics are not well elucidated. In this study, the metabolism of holothurin A (HA) and echinoside A (EA), 2 major saponins in sea cucumber, by gut microflora were investigated. First, we conducted an in vitro study, where in the SCSs were incubated with intestinal microflora and the metabolites were detected by high pressure liquid chromatography-high resolution mass spectrometry. We also conducted an in vivo study on rats, where in the intestinal contents, serum, urine, and feces were collected and evaluated after oral administration of SCSs...
July 21, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28731451/novel-blood-based-biomarkers-of-cognition-stress-and-physical-or-cognitive-training-in-older-adults-at-risk-of-dementia-preliminary-evidence-for-a-role-of-bdnf-irisin-and-the-kynurenine-pathway
#4
Olivia C Küster, Daria Laptinskaya, Patrick Fissler, Cathrin Schnack, Martina Zügel, Verena Nold, Franka Thurm, Sina Pleiner, Alexander Karabatsiakis, Björn von Einem, Patrick Weydt, Andre Liesener, Andreas Borta, Alexander Woll, Bastian Hengerer, Iris-Tatjana Kolassa, Christine A F von Arnim
 Psychosocial stress and physical, cognitive, and social activity predict the risk of cognitive decline and dementia. The aim of this study was to elucidate brain-derived neurotrophic factor (BDNF), irisin, and the kynurenine pathway (KP) as potential underlying biological correlates. We evaluated associations of irisin and the KP with BDNF in serum and with cognition, stress, and activities. Furthermore, changes in serum concentrations of BDNF, irisin, and KP metabolites were investigated after physical or cognitive training...
July 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28729763/serum-and-plasma-metabolomic-biomarkers-for-lung-cancer
#5
Nishith Kumar, Md Shahjaman, Md Nurul Haque Mollah, S M Shahinul Islam, Md Aminul Hoque
In drug invention and early disease prediction of lung cancer, metabolomic biomarker detection is very important. Mortality rate can be decreased, if cancer is predicted at the earlier stage. Recent diagnostic techniques for lung cancer are not prognosis diagnostic techniques. However, if we know the name of the metabolites, whose intensity levels are considerably changing between cancer subject and control subject, then it will be easy to early diagnosis the disease as well as to discover the drug. Therefore, in this paper we have identified the influential plasma and serum blood sample metabolites for lung cancer and also identified the biomarkers that will be helpful for early disease prediction as well as for drug invention...
2017: Bioinformation
https://www.readbyqxmd.com/read/28728150/fisher-discrimination-of-metabolic-changes-in-rats-treated-with-aspirin-and-ibuprofen
#6
Jing Zhang, Huanchun Song, Shuying Jiang, Zhibin Chen, Shuhua Tong, Feiyan Lin, Congcong Wen, Xiuhua Zhang, Lufeng Hu
BACKGROUND: Aspirin and ibuprofen are the most frequently prescribed non-steroidal anti-inflammatory drugs in the world. However, both are associated with a variety of toxicities. We applied serum metabonomics and Fisher discrimination for the early diagnosis of its toxic reaction in order to help diagnose these toxicities. METHODS: A total of 45 rats were randomly divided into Control group, Aspirin group, and Ibuprofen groups. The experiment groups were given intragastric aspirin (15 mg/kg) or ibuprofen (15 mg/kg) for 3 weeks...
July 21, 2017: Pharmacology
https://www.readbyqxmd.com/read/28727846/effects-of-high-intensity-interval-versus-mild-intensity-endurance-training-on-metabolic-phenotype-and-corticosterone-response-in-rats-fed-a-high-fat-or-control-diet
#7
Youqing Shen, Guoyuan Huang, Bryan P McCormick, Tao Song, Xiangfeng Xu
The aim of the present study was to compare the effects of high-intensity interval training (HI) to mild-intensity endurance training (ME), combined with a high-fat diet (HFD) or control diet (CD) on metabolic phenotype and corticosterone levels in rats. Fifty-three rats were randomized to 6 groups according to diet and training regimen as follows: CD and sedentary (CS, n = 11), CD and ME (CME, n = 8), CD and HI (CHI, n = 8), HFD and sedentary (HS, n = 10), HFD and ME (HME, n = 8), and HFD and HI (HHI, n = 8)...
2017: PloS One
https://www.readbyqxmd.com/read/28727234/kynurenine-a-tryptophan-metabolite-that-accumulates-with-age-induces-bone-loss
#8
Mona El Refaey, Meghan E McGee-Lawrence, Sadanand Fulzele, Eileen J Kennedy, Wendy B Bollag, Mohammed Elsalanty, Qing Zhong, Ke-Hong Ding, Nathaniel G Bendzunas, Xing-Ming Shi, Jianrui Xu, William D Hill, Maribeth H Johnson, Monte Hunter, Jessica L Pierce, Kanglun Yu, Mark W Hamrick, Carlos M Isales
Age-dependent bone loss occurs in humans and in several animal species, including rodents. The underlying causal mechanisms are probably multifactorial, although an age-associated increase in the generation of reactive oxygen species has been frequently implicated. We previously reported that aromatic amino acids function as antioxidants and are anabolic for bone and that they may potentially play a protective role in an aging environment. We hypothesized that upon oxidation the aromatic amino acids would not only lose their anabolic effects but also potentially become a catabolic byproduct...
July 20, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28727056/effects-of-protein-and-fat-concentration-in-coproduct-based-growing-calf-diets-on-adipogenic-and-lipogenic-gene-expression-blood-metabolites-and-carcass-composition
#9
J R Segers, J J Loor, S J Moisá, D Gonzalez, D W Shike
Crossbred calves ( = 30; age = 95 ± 1.7 d; BW = 179 ± 18 kg) were fed 1 of 5 growing diets: 1) corn-based control, 2) low-fat, low-protein coproduct blend, 3) high-fat, low-protein coproduct blend, 4) low-fat, high-protein coproduct blend, and 5) high-fat, high-protein coproduct blend for 112 d (growing phase) followed by a common corn-based finishing diet (additional 112 d; finishing phase). Calves were biopsied at 0, 112, and 224 d for transcriptional analysis via real-time quantitative PCR of 14 genes associated with adipogenesis and lipogenesis within the muscle...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726741/magnolol-a-natural-polyphenol-attenuates-dextran-sulfate-sodium-induced-colitis-in-mice
#10
Ling Zhao, Hai-Tao Xiao, Huai-Xue Mu, Tao Huang, Ze-Si Lin, Linda L D Zhong, Guang-Zhi Zeng, Bao-Min Fan, Cheng-Yuan Lin, Zhao-Xiang Bian
Magnolol is a lignan with anti-inflammatory activity identified in Magnolia officinalis. Ulcerative colitis (UC), one of the types of inflammatory bowel disease (IBD), is a disease that causes inflammation and ulcers in the colon. To investigate the effect of magnolol in dextran sulfate sodium (DSS)-induced experimental UC model, male C57 mice were treated with 2% DSS drinking water for 5 consecutive days followed by intragastric administration with magnolol (5, 10 and 15 mg/kg) daily for 7 days. The results showed that magnolol significantly attenuated disease activity index, inhibited colonic shortening, reduced colonic lesions and suppressed myeloperoxidase (MPO) activity...
July 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28724470/effect-of-glycerol-supplementation-during-early-lactation-on-milk-yield-milk-composition-nutrient-digestibility-and-blood-metabolites-of-dairy-buffaloes
#11
A M Saleem, A I Zanouny, A M Singar
This study was conducted to evaluate the effect of increasing levels of glycerol in the diet on milk yield and composition, diet digestibility and some blood metabolites of dairy buffaloes in early lactation. A total of 24 buffaloes were blocked by average milk yield, parity and BW and then randomly assigned to three treatments: control without glycerol (CON); low glycerol (LG): control plus glycerol at 150 ml/day per buffalo; and high glycerol (HG): control plus glycerol at 300 ml/day per buffalo. The experimental period lasted for 60 days...
July 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28722461/-disorders-of-water-and-electrolyte-metabolism-and-changes-in-acid-base-balance-in-patients-with-ascitic-liver-cirrhosis
#12
Halima Gottfriedová, Miroslava Horáčková, Milena Čáslavská, Julius Špičák, Otto Schück
In patients with advanced cirrhosis with ascites disorders of water and electrolyte metabolism are often present and they are associated with changes in acid-base balance. These changes can be very complicated, their diagnosis and treatment difficult. Dilutional hyponatremia is the most common disorder. Hyponatremia in these patients is associated with increased morbidity and mortality before and after liver transplantation. Other common disorders include hyperchloremic acidosis, hypokalemia, metabolic alkalosis, lactic acidosis, respiratory alkalosis...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28722260/effect-of-long-distance-transportation-on-serum-metabolic-profiles-of-steer-calves
#13
Satoshi Takemoto, Shozo Tomonaga, Masayuki Funaba, Tohru Matsui
Long-distance transportation is sometimes inevitable in the beef industry because of the geographic separation of major breeding and fattening areas. Long-distance transportation negatively impacts production and health of cattle, which may, at least partly, result from the disturbance of metabolism during and after transportation. However, alteration of metabolism remains elusive in transported cattle. We investigated the effects of transportation on the metabolomic profiles of Holstein steer calves. Non-targeted analysis of serum concentrations of low molecular weight metabolites was performed by gas chromatography mass spectrometry...
July 19, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28721546/health-benefits-observed-after-probiotic-lactobacillus-fermentum-ccm-7421-application-in-dogs
#14
REVIEW
Viola Strompfová, Ivana Kubašová, Andrea Lauková
The importance of the intestinal microbiota has attracted much interest in recent years particularly with respect to ways in which the microbiota can be manipulated in order to improve health. Improving gut health through the use of probiotic microorganisms has become an area of research activity in both human and animal nutrition. However, the amount of research using companion animals is insufficient. The present review evaluates and compares the effects achieved after application of canine-derived probiotic strain Lactobacillus fermentum CCM 7421 to healthy dogs as well as to dogs suffering from gastrointestinal disorders...
July 18, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28717206/an-amino-acid-signature-associated-with-obesity-predicts-2-year-risk-of-hypertriglyceridemia-in-school-age-children
#15
Sofia Moran-Ramos, Elvira Ocampo-Medina, Ruth Gutierrez-Aguilar, Luis Macías-Kauffer, Hugo Villamil-Ramírez, Blanca E López-Contreras, Paola León-Mimila, Joel Vega-Badillo, Roxana Gutierrez-Vidal, Ricardo Villarruel-Vazquez, Erandi Serrano-Carbajal, Blanca E Del-Río-Navarro, Adriana Huertas-Vázquez, Teresa Villarreal-Molina, Isabel Ibarra-Gonzalez, Marcela Vela-Amieva, Carlos A Aguilar-Salinas, Samuel Canizales-Quinteros
Childhood obesity is associated with a number of metabolic abnormalities leading to increased cardiovascular risk. Metabolites can be useful as early biomarkers and new targets to promote early intervention beginning in school age. Thus, we aimed to identify metabolomic profiles associated with obesity and obesity-related metabolic traits. We used data from the Obesity Research Study for Mexican children (ORSMEC) in Mexico City and included a case control (n = 1120), cross-sectional (n = 554) and a longitudinal study (n = 301) of 6-12-year-old children...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716517/lethal-suicide-attempt-with-a-mixed-drug-intoxication-of-metoprolol-and-propafenone-a-first-pediatric-case-report
#16
Ivana Kacirova, Milan Grundmann, Martin Kolek, Erika Vyskocilova-Hrudikova, Romana Urinovska, Petr Handlos
INTRODUCTION: The β1 adrenergic receptor blocker metoprolol is often prescribed together with the antiarrhythmic drug propafenone. Both are metabolized by cytochrome P450 2D6 and propafenone is also an inhibitor of this enzyme. We present a pediatric case showing metoprolol and propafenone intoxication in combination. CASE: A 14-year-old girl was admitted to a local emergency department after ingestion of metoprolol (probably 1g) and propafenone (probably 1.5-3g) in a suicide attempt...
June 29, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28714673/direct-monitoring-of-exogenous-ghb-in-body-fluids-by-nmr-spectroscopy
#17
Martina Palomino-Schätzlein, Yaoyao Wang, Teodor Parella, Cristina Legido-Quigley, Míriam Pérez-Trujillo
γ-Hydroxybutyric acid (GHB) is a popular drug increasingly associated to cases of drug-facilitated sexual assault (DFSA). Currently, expanding procedures of analysis and having forensic evidence of GHB intake at a long term are mandatory. Up to now, most studies have been performed using GC-MS and LC-MS as analytical platforms, which involve significant manipulation of the sample and, often, indirect measurements. In this work, procedures used in NMR-based metabolomics were applied to a GHB clinical trial on urine and serum...
July 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28714420/evaluation-of-temporal-changes-in-urine-based-metabolomic-and-kidney-injury-markers-to-detect-compound-induced-acute-kidney-tubular-toxicity-in-beagle-dogs
#18
M P Wagoner, Y Yang, J E McDuffie, M Klapczynski, W Buck, L Cheatham, D Eisinger, F Sace, K M Lynch, M Sonee, J-Y Ma, Y Chen, K Marshall, M Damour, L Stephen, Y P Dragan, J Fikes, S Snook, L B Kinter
Urinary protein biomarkers and metabolomic markers have been leveraged to detect acute drug induced kidney injury (DIKI) in rats; however, the utility of these indicators to enable early detection of DIKI in canine models has not been well documented. Therefore, we evaluated temporal changes in biomarkers and metabolites in urine from male and female beagle dogs. Gentamicin-induced kidney lesions in male dogs were characterized by moderate to severe tubular epithelial cell degeneration/necrosis, epithelial cell regeneration and dilation; and a unique urine-based metabolomic fingerprint...
July 13, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28714069/discriminant-biomarkers-of-acute-respiratory-distress-syndrome-associated-to-h1n1-influenza-identified-by-metabolomics-hplc-qtof-ms-ms-platform
#19
Alessia Ferrarini, Laura Righetti, Ma Paz Martínez, Mariano Fernández, Annalaura Mastrangelo, Juan P Horcajada, Antoni Betbesé, Andrés Esteban, Jordi Ordóñez, Joaquín de Gea, Jesús Ruiz Cabello, Federica Pellati, José A Lorente, Nicolás Nin, Francisco J Rupérez
Acute Respiratory Distress Syndrome (ARDS) is a serious complication of influenza A (H1N1) virus infection. Its pathogenesis is unknown, and biomarkers are lacking. Untargeted metabolomics allows the analysis of the whole metabolome in a biological compartment, identifying patterns associated with specific conditions. We hypothesized that LC-MS could help identify discriminant metabolites able to define the metabolic alterations occurring in patients with influenza A (H1N1) virus infection that developed ARDS...
July 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28713825/the-serum-analysis-of-dampness-syndrome-in-patients-with-coronary-heart-disease-and-chronic-renal-failure-based-on-the-theory-of-same-syndromes-in-different-diseases
#20
Yiming Hao, Xue Yuan, Peng Qian, Guanfeng Bai, Yiqin Wang
AIM: To analyze the serum metabolites in patients with coronary heart disease (CHD) showing dampness syndrome and patients with chronic renal failure (CRF) showing dampness syndrome and to seek the substance that serves as the underlying basis of dampness syndrome in "same syndromes in different diseases." Methods. Metabolic spectrum by GC-MS was performed using serum samples from 29 patients with CHD showing dampness syndrome and 32 patients with CRF showing dampness syndrome. The principal component analysis and statistical analysis of partial least squares were performed to detect the metabolites with different levels of expression in patients with CHD and CRF...
2017: BioMed Research International
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