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https://www.readbyqxmd.com/read/27921022/the-protective-effect-of-hydro-alcoholic-extract-of-mangrove-avicennia-marina-l-leaves-on-kidney-injury-induced-by-carbon-tetrachloride-in-male-rats
#1
Naser Mirazi, Seyedeh-Nahid Movassagh, Mahmoud Rafieian-Kopaei
BACKGROUND: Materials can cause liver and kidney damage which carbon tetrachloride is one of these substances. Medicinal plants and their essential oils and extracts have been used to a large extent as drugs to better control and management of kidney diseases. OBJECTIVES: The aim of this study was to investigate the effect of hydro-alcoholic extract of Avicennia marina leaves in the treatment of renal toxicity induced by carbon tetrachloride. METHODS: Forty-two male rats were randomly divided into 6 groups (n = 7): control (taking normal saline, 0...
October 2016: Journal of Nephropathology
https://www.readbyqxmd.com/read/27919829/training-induced-elevations-in-extracellular-lactate-in-hippocampus-and-striatum-dissociations-by-cognitive-strategy-and-type-of-reward
#2
Lori A Newman, Claire J Scavuzzo, Paul E Gold, Donna L Korol
Recent evidence suggests that astrocytes convert glucose to lactate, which is released from the astrocytes and supports learning and memory. This report takes a multiple memory perspective to test the role of astrocytes in cognition using real-time lactate measurements during learning and memory. Extracellular lactate levels in the hippocampus or striatum were determined with lactate biosensors while rats were learning place (hippocampus-sensitive) or response (striatum-sensitive) versions of T-mazes. In the first experiment, rats were trained on the place and response tasks to locate a food reward...
December 2, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/27919624/metabolic-fate-of-glucose-in-rats-with-traumatic-brain-injury-and-pyruvate-or-glucose-treatments-a-nmr-spectroscopy-study
#3
Katsunori Shijo, Richard L Sutton, Sima S Ghavim, Neil G Harris, Brenda L Bartnik-Olson
Administration of sodium pyruvate (SP; 9.08 μmol/kg, i.p.), ethyl pyruvate (EP; 0.34 μmol/kg, i.p.) or glucose (GLC; 11.1 μmol/kg, i.p.) to rats after unilateral controlled cortical impact (CCI) injury has been reported to reduce neuronal loss and improve cerebral metabolism. In the present study these doses of each fuel or 8% saline (SAL; 5.47 nmoles/kg) were administered immediately and at 1, 3, 6 and 23 h post-CCI. At 24 h all CCI groups and non-treated Sham injury controls were infused with [1,2 (13)C] glucose for 68 min (13)C nuclear magnetic resonance (NMR) spectra were obtained from cortex + hippocampus tissues from left (injured) and right (contralateral) hemispheres...
December 2, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/27919304/green-tea-extract-intake-during-lactation-modified-cardiac-macrophage-infiltration-and-amp-activated-protein-kinase-phosphorylation-in-weanling-rats-from-undernourished-mother-during-gestation-and-lactation
#4
E Matsumoto, S Kataoka, Y Mukai, M Sato, S Sato
Maternal dietary restriction is often associated with cardiovascular disease in offspring. The aim of this study was to investigate the effect of green tea extract (GTE) intake during lactation on macrophage infiltration, and activation of adenosine monophosphate (AMP)-activated protein kinase (AMPK) and serine-threonine kinase Akt (Akt) in the hearts of weanlings exposed to maternal dietary protein restriction. Pregnant Wistar rats were fed control (C) or low-protein diets (LP) throughout gestation. Following delivery, the dams received a control or a GTE-containing control diet during lactation: control diet during gestation and lactation (CC), low-protein diet during gestation and lactation (LPC), low-protein diet during gestation and 0...
December 6, 2016: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/27919160/kr12-peptide-associated-with-cyclodextrin-antimicrobial-and-antitumor-activities
#5
Karina I R Teixeira, Maria E Cortés, Robson A S Santos, Fábio de Oliveira, Ruben D Sinisterra
The aim of this study was to determine the physical properties and antimicrobial and antiproliferative effects of the KR12 peptide complexed with 2-hydroxypropyl-β-cyclodextrin (Hp-βCd) in vitro. The KR12:Hp-βCd composition was evaluated for particle size and its zeta (ζ)-potential in the presence and absence of cells. Antimicrobial activity against Streptococcus mutans, Actinobacillus actinomycetemcomitans, and Porphyromonas gingivalis for the peptide alone or associated was evaluated by minimal inhibitory concentration...
December 1, 2016: Biointerphases
https://www.readbyqxmd.com/read/27918869/paramedic-initiated-cms-sepsis-core-measure-bundle-prior-to-hospital-arrival-a-stepwise-approach
#6
Jason G Walchok, Ronald G Pirrallo, Douglas Furmanek, Martin Lutz, Colt Shope, Brandi Giles, Greta Gue, Aaron Dix
BACKGROUND: To improve patient outcomes, the Center for Medicare and Medicaid Services (CMS) implemented core measures that outline the initial treatment of the septic patient. These measures include initial blood culture collection prior to antibiotics, adequate intravenous fluid resuscitation, and early administration of broad spectrum antibiotics. We sought to determine if Paramedics can initiate the CMS sepsis core measure bundle in the prehospital field reliably. METHODS: This is a retrospective, case series from a 3rd service EMS system model in Greenville, South Carolina between November 17, 2014 and February 20, 2016...
December 5, 2016: Prehospital Emergency Care
https://www.readbyqxmd.com/read/27918679/movement-patterns-and-metabolic-responses-during-an-international-rugby-sevens-tournament
#7
Anthony Couderc, Claire Thomas, Mathieu Lacome, Julien Piscione, Julien Robineau, Rémi Delfour-Peyrethon, Rachel Borne, Christine Hanon
PURPOSE: This study investigated the running-demands and associated metabolic perturbations during an official rugby sevens tournament. METHODS: Twelve elite players participated in seven matches wearing Global Positioning System units. Maximal sprinting speed (MSS) and maximal aerobic speed (MAS) were measured. High-intensity threshold was individualized relative to MAS (>100% of MAS) and very high-intensity distance were reported relative to both MAS and MSS...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27917773/mutations-of-mtdna-polymerase-%C3%AE-and-hyperlactataemia-in-the-hiv-infected-zulu-population-of-south-africa
#8
D B A Ojwach, C Aldous, P Kochleff, B Sartorius
BACKGROUND: Mitochondrial toxicity, particularly symptomatic hyperlactataemia or lactic acidosis (SHL/LA), has been attributed to the use of nucleoside reverse transcriptase inhibitors (NRTIs), possibly because of their capacity to impede human mitochondrial DNA polymerase-γ (POLG), which is responsible for the replication of mitochondrial DNA. OBJECTIVE: To determine whether known monogenic POLG1 polymorphisms could be linked with the unexpectedly high incidence of SHL/LA observed in HIV-infected Zulu-speaking patients exposed to the NRTIs stavudine or zidovudine in their antiretroviral therapy...
December 1, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/27917680/development-of-nitrogen-and-methane-losses-in-the-first-eight-weeks-of-lactation-in-holstein-cows-subjected-to-deficiency-of-utilisable-crude-protein-under-restrictive-feeding-conditions
#9
Franz Sutter, Angela Schwarm, Michael Kreuzer
Low-protein diets are increasingly being used in dairy cow nutrition to minimise noxious nitrogen (N) emissions. However, at parturition, the lower milk yield at that time may mask deficiency in dietary utilisable crude protein (uCP; equivalent to metabolisable protein). Under restrictive feeding conditions, farmers would limit the feed allowance to match the lower measured milk yield, thereby exacerbating the deficiency. The consequences for N emission intensity per kg milk yield and methane emissions are unknown...
February 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/27916896/the-impact-of-cxcr4-blockade-on-the-survival-of-rat-brain-cortical-neurons
#10
José Joaquín Merino, Alba Garcimartín, María Elvira López-Oliva, Juana Benedí, María Pilar González
BACKGROUND: Chemokine receptor type 4 (CXCR4) plays a role in neuronal survival/cell repair and also contributes to the progression of cancer and neurodegenerative diseases. Chemokine ligand 12 (CXCL12) binds to CXCR4. In this study, we have investigated whether CXCR4 blockade by AMD3100 (a CXCR4 antagonist, member of bicyclam family) may affect neuronal survival in the absence of insult. Thus, we have measured the mitochondrial membrane potential (MMP), Bax and Bcl-2 protein translocation, and cytochrome c release in AMD3100-treated brain cortical neurons at 7 DIV (days in vitro)...
November 30, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27916873/the-effect-of-low-dose-iron-and-zinc-intake-on-child-micronutrient-status-and-development-during-the-first-1000-days-of-life-a-systematic-review-and-meta-analysis
#11
REVIEW
Nicolai Petry, Ibironke Olofin, Erick Boy, Moira Donahue Angel, Fabian Rohner
Adequate supply of micronutrients during the first 1000 days is essential for normal development and healthy life. We aimed to investigate if interventions administering dietary doses up to the recommended nutrient intake (RNI) of iron and zinc within the window from conception to age 2 years have the potential to influence nutritional status and development of children. To address this objective, a systematic review and meta-analysis of randomized and quasi-randomized fortification, biofortification, and supplementation trials in women (pregnant and lactating) and children (6-23 months) delivering iron or zinc in doses up to the recommended nutrient intake (RNI) levels was conducted...
November 30, 2016: Nutrients
https://www.readbyqxmd.com/read/27916690/acyl-homoserine-lactone-changes-the-abundance-of-proteins-and-the-levels-of-organic-acids-associated-with-stationary-phase-in-salmonella-enteritidis
#12
Felipe Alves de Almeida, Natan de Jesus Pimentel Filho, Lanna Clícia Carrijo, Cláudia Braga Pereira Bento, Maria Cristina Baracat-Pereira, Uelinton Manoel Pinto, Leandro Licursi de Oliveira, Maria Cristina Dantas Vanetti
Quorum sensing (QS) is cell-cell communication mechanism mediated by signaling molecules known as autoinducers (AIs) that lead to differential gene expression. Salmonella is unable to synthesize the AI-1 acyl homoserine lactone (AHL), but is able to recognize AHLs produced by other microorganisms through SdiA protein. Our study aimed to evaluate the influence of AI-1 on the abundance of proteins and the levels of organic acids of Salmonella Enteritidis. The presence of N-dodecyl-homoserine lactone (C12-HSL) did not interfere on the growth or the total amount of extracted proteins of Salmonella...
December 1, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27916196/adaptive-activation-of-a-stress-response-pathway-improves-learning-and-memory-through-gs-and-%C3%AE-arrestin-1-regulated-lactate-metabolism
#13
Jun-Hong Dong, Yi-Jing Wang, Min Cui, Xiao-Jing Wang, Wen-Shuai Zheng, Ming-Liang Ma, Fan Yang, Dong-Fang He, Qiao-Xia Hu, Dao-Lai Zhang, Shang-Lei Ning, Chun-Hua Liu, Chuan Wang, Yue Wang, Xiang-Yao Li, Fan Yi, Amy Lin, Alem W Kahsai, Thomas Joseph Cahill, Zhe-Yu Chen, Xiao Yu, Jin-Peng Sun
BACKGROUND: Stress is a conserved physiological response in mammals. Whereas moderate stress strengthens memory to improve reactions to previously experienced difficult situations, too much stress is harmful. METHODS: We used specific β-adrenergic agonists, as well as β2-adrenergic receptor (β2AR) and arrestin knockout models, to study the effects of adaptive β2AR activation on cognitive function using Morris water maze and object recognition experiments. We used molecular and cell biological approaches to elucidate the signaling subnetworks...
October 13, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27916077/-intestinal-barrier-dysfunction-and-its-related-factors-in-patients-with-sepsis
#14
W Liu, X H Wang, X J Yang, X Y Zhang, W J Qi
Objective: To investigate the relationship between related factors of intestinal barrier dysfunction in patients with sepsis or septic shock and severity of the condition. Methods: A prospective observational study was conducted in 31 sepsis patients, 28 septic shock patients, and 21 postoperative patients without sepsis (control group) who were admitted to intensive care unit (ICU) of General Hospital of Ningxia Medical University between November 2015 and June 2016. Blood samples were collected from the patients within 24 hours following admission to ICU...
November 29, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27915164/can-the-cerebral-regional-oxygen-saturation-be-a-perfusion-parameter-in-shock
#15
Ashraf Al Tayar, Amr Abouelela, Khaja Mohiuddeen
INTRODUCTION: Shock, defined as a state of tissue hypoperfusion and the tissues reperfusion, is the main goal of management of shock. Increase in central venous saturation (CvSo2) and decrease in blood lactate level are useful in assessment of adequacy of tissue perfusion. Near-infrared spectroscopy is a noninvasive way to observe real-time changes in regional cerebral saturation and has been used in patients with different brain diseases. There is a small body of literature suggesting that cerebral regional oxygen saturation (CrSo2) monitoring added a value in assessment and management of intensive care unit (ICU) patients...
November 10, 2016: Journal of Critical Care
https://www.readbyqxmd.com/read/27913996/altered-gut-microbiota-composition-and-immune-response-in-experimental-steatohepatitis-mouse-models
#16
Mitsuaki Ishioka, Kouichi Miura, Shinichiro Minami, Yoichiro Shimura, Hirohide Ohnishi
BACKGROUND: Although several types of diet have been used in experimental steatohepatitis models, comparison of gut microbiota and immunological alterations in the gut among diets has not yet been performed. AIM: We attempted to clarify the difference in the gut environment between mice administrated several experimental diets. METHODS: Male wild-type mice were fed a high-fat (HF) diet, a choline-deficient amino acid-defined (CDAA) diet, and a methionine-choline-deficient (MCD) diet for 8 weeks...
December 2, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27913815/-volume-therapy-in-the-severely-injured-patient-recommendations-and-current-guidelines
#17
Sigune Kaske, Marc Maegele
BACKGROUND: Volume therapy is a cornerstone of early resuscitation of severely injured trauma patients, but the optimal strategy remains under debate. A recent Cochrane review could not find evidence for or against early volume replacement or large versus small amounts of fluid. METHOD: Current recommendations and guidelines regarding volume therapy in severely injured patients are summarized based upon the updated European Trauma Guideline on the management of major bleeding and coagulopathy following trauma (fourth edition) and the S3-Guideline Polytrauma and combined with a selective review of the literature...
December 2, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27913184/tolerance-of-hyperammonemia-in-brain-of-heteropneustes-fossilis-is-supported-by-glutamate-glutamine-cycle
#18
Suman Mishra, Rajnikant Mishra
This report presents analysis of molecular switches associated with tolerance to hyperammonemia in Heteropneustes fossilis because it tolerates about 100-fold more ammonia than mammals. Brains of Heteropneustes fossilis exposed to 100mM ammonium chloride were dissected after Zero hour as control, 16hrs and 20hrs exposure. The status of neuron and glia were analysed by Golgi staining, Luxol Fast Blue, and Nissl's staining. The expression patterns of genes associated to homeostasis of neuron and glia, management of oxidative stress and inflammation, ammonia metabolism and brain derived neurotrophic factor were analysed through reverse-transcriptase-polymerase chain reaction...
November 29, 2016: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/27912754/bovine-mastitis-prevalence-risk-factors-and-isolation-of-staphylococcus-aureus-in-dairy-herds-at-hawassa-milk-shed-south-ethiopia
#19
Rahmeto Abebe, Hagere Hatiya, Mesele Abera, Bekele Megersa, Kassahun Asmare
BACKGROUND: Mastitis is a disease of major economic importance in dairy industry worldwide. It is of particular concern in developing countries like Ethiopia, where milk and milk products are scarce. The objectives of the study were to estimate the prevalence of mastitis, identify the cow-and herd-level potential risk factors and isolate Staphylococcus aureus, one of etiological agents for contagious mastitis, from cows positive for mastitis. A total of 529 lactating cows selected randomly from 95 herds were screened by California mastitis test (CMT) for sub-clinical mastitis...
December 3, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27911915/marathon-race-affects-neutrophil-surface-molecules-role-of-inflammatory-mediators
#20
Vinicius Coneglian Santos, Ana Paula Renno Sierra, Rodrigo Oliveira, Kim Guimarães Caçula, César Miguel Momesso, Fabio Takeo Sato, Maysa Braga Barros Silva, Heloisa Helena Oliveira, Maria Elizabeth Pereira Passos, Diego Ribeiro de Souza, Olivia Santos Gondim, Marino Benetti, Adriana Cristina Levada-Pires, Nabil Ghorayeb, Maria Augusta Peduti Dal Molin Kiss, Renata Gorjão, Tânia Cristina Pithon-Curi, Maria Fernanda Cury-Boaventura
The fatigue induced by marathon races was observed in terms of inflammatory and immunological outcomes. Neutrophil survival and activation are essential for inflammation resolution and contributes directly to the pathogenesis of many infectious and inflammatory conditions. The aim of this study was to investigate the effect of marathon races on surface molecules related to neutrophil adhesion and extrinsic apoptosis pathway and its association with inflammatory markers. We evaluated 23 trained male runners at the São Paulo International Marathon 2013...
2016: PloS One
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