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https://www.readbyqxmd.com/read/28319370/uptake-and-disposition-of-select-pharmaceuticals-by-bluegill-exposed-at-constant-concentrations-in-a-flow-through-aquatic-exposure-system
#1
Jian-Liang Zhao, Edward T Furlong, Heiko L Schoenfuss, Dana Ward Kolpin, Kyle L Bird, David J Feifarek, Eric A Schwab, Guang-Guo Ying
The increasing use of pharmaceuticals has led to their subsequent input into and release from wastewater treatment plants, with corresponding discharge into surface waters that may subsequently exert adverse effects upon aquatic organisms. Although the distribution of pharmaceuticals in surface water has been extensively studied, the details of uptake, internal distribution, and kinetic processing of pharmaceuticals in exposed fish have received less attention. For this research, we investigated the uptake, disposition, and toxicokinetics of five pharmaceuticals (diclofenac, methocarbamol, rosuvastatin, sulfamethoxazole, and temazepam) in bluegill sunfish (Lepomis macrochirus) exposed to environmentally relevant concentrations (1,000-4,000 ng L-1) in a flow-through exposure system...
March 20, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28318994/more-flavor-for-flavonoid-based-interventions
#2
Nadeem O Kaakoush, Margaret J Morris
Poor diets are associated with obesity and a decline in cognitive function. Flavonoids are plant compounds that have been associated with improved metabolic parameters in obesity and reversal of cognitive decline. Given that microbial flavonoid conversion is important for bioactivity, flavonoid-derived neuroactive compounds may be functionally crucial in the gut microbiome-brain axis.
March 17, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28318126/infant-colic-is-still-a-mysterious-disorder-of-the-microbiota-gut-brain-axis
#3
EDITORIAL
Anna Pärtty, Marko Kalliomäki
No abstract text is available yet for this article.
April 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28316999/does-the-gut-microbiota-influence-immunity-and-inflammation-in-multiple-sclerosis-pathophysiology
#4
Monika Adamczyk-Sowa, Aldona Medrek, Paulina Madej, Wirginia Michlicka, Pawel Dobrakowski
Aim. Evaluation of the impact of gut microflora on the pathophysiology of MS. Results. The etiopathogenesis of MS is not fully known. Gut microbiota may be of a great importance in the pathogenesis of MS, since recent findings suggest that substitutions of certain microbial population in the gut can lead to proinflammatory state, which can lead to MS in humans. In contrast, other commensal bacteria and their antigenic products may protect against inflammation within the central nervous system. The type of intestinal flora is affected by antibiotics, stress, or diet...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28315773/the-time-enzyme-in-melatonin-biosynthesis-in-fish-day-night-expressions-of-three-aralkylamine-n-acetyltransferase-genes-in-three-spined-stickleback
#5
Ewa Kulczykowska, Agnieszka Kleszczyńska, Magdalena Gozdowska, Ewa Sokołowska
In vertebrates, aralkylamine N-acetyltransferase (AANAT; EC 2.3.1.87) is a time-keeping enzyme in melatonin (Mel) biosynthesis. Uniquely in fish, there are several AANAT isozymes belonging to two AANAT subfamilies, AANAT1 and AANAT2, which are encoded by distinct genes. The different substrate preferences, kinetics and spatial expression patterns of isozymes indicate that they may have different functions. In the three-spined stickleback (Gasterosteus aculeatus), there are three genes encoding three AANAT isozymes...
March 15, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28315374/glp-1-analogue-cjc-1131-prevents-amyloid-%C3%AE-protein-induced-impirments-of-spatial-memory-and-synaptic-plasticity-in-rats
#6
Sheng-Xiao Zhang, Hong-Yan Cai, Xiao-Wen Ma, Li Yuan, Jun Zhang, Zhao-Jun Wang, Yu-Feng Li, Jin-Shun Qi
Although amyloid β protein (Aβ) has been recognized as one of the main pathological characteristics in the brain of Alzheimer's disease (AD), the effective strategies against Aβ neurotoxicity are still deficient up to now. Glucagon-like peptide 1 (GLP-1), a natural gut hormone, was found to be effective in modulating insulin signaling and neural protection, but short half-life limited its clinical application in AD treatment. CJC-1131, a newly designed GLP-1 analogue with very longer half-life, has shown good effectiveness in the treatment of type 2 diabetes mellitus (T2DM)...
March 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28303750/the-gut-microbiome-obesity-and-weight-control-in-women-s-reproductive-health
#7
K Leigh Greathouse, Mary Ann Faucher, Marie Hastings-Tolsma
The microbes residing in the human gut, referred to as the microbiome, are intricately linked to energy homeostasis and subsequently obesity. Integral to the origins of obesity, the microbiome is believed to affect not only health of the human gut but also overall health. This microbiome-obesity association is mediated through the process of energy extraction, metabolism, and cross talk between the brain and the gut microbiome. Host exposures, including diet, that potentially modify genetic predisposition to obesity and affect weight management are reviewed...
March 1, 2017: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/28303651/what-s-new-in-rome-iv
#8
REVIEW
J Tack, D A Drossman
The functional gastrointestinal disorders (FGIDs) are the most common disorders seen in Gastroenterology clinical practice. The Rome process has generated consensus definitions of FGIDS, allowing to subdivide patients into diagnostic categories based on the symptom pattern. The Rome IV consensus, presented in 2016, is the most recent update of this diagnostic scheme. This article summarizes the main changes, which include the use of epidemiology-based symptom thresholds to define FGIDs, characterization of FGIDS as disorders of Gut-Brain interaction, and updates of criteria for esophageal disorders, irritable bowel syndrome and Biliary and Sphincter of Oddi disorders based on scientific and technical progress made over the last decade...
March 17, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28302577/methamphetamine-effects-on-the-brain-gut-and-immune-system
#9
REVIEW
Monica D Prakash, Kathy Tangalakis, Juliana Antonipillai, Lily Stojanovska, Kulmira Nurgali, Vasso Apostolopoulos
Methamphetamine (METH) is a powerful central nervous system stimulant which elevates mood, alertness, energy levels and concentration in the short-term. However, chronic use and/or at higher doses METH use often results in psychosis, depression, delusions and violent behavior. METH was formerly used to treat conditions such as obesity and attention deficit hyperactivity disorder, but now is primarily used recreationally. Its addictive nature has led to METH abuse becoming a global problem. At a cellular level, METH exerts a myriad of effects on the central and peripheral nervous systems, immune system and the gastrointestinal system...
March 13, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28301775/the-microbiome-and-host-behavior
#10
Helen E Vuong, Jessica M Yano, Thomas C Fung, Elaine Y Hsiao
The microbiota is increasingly recognized for its ability to influence the development and function of the nervous system and several complex host behaviors. In this review, we discuss emerging roles for the gut microbiota in modulating host social and communicative behavior, stressor-induced behavior, and performance in learning and memory tasks. We summarize effects of the microbiota on host neurophysiology, including brain microstructure, gene expression, and neurochemical metabolism across regions of the amygdala, hippocampus, frontal cortex, and hypothalamus...
March 8, 2017: Annual Review of Neuroscience
https://www.readbyqxmd.com/read/28294985/effects-of-a-diet-based-weight-reducing-program-with-probiotic-supplementation-on-satiety-efficiency-eating-behaviour-traits-and-psychosocial-behaviours-in-obese-individuals
#11
Marina Sanchez, Christian Darimont, Shirin Panahi, Vicky Drapeau, André Marette, Valerie H Taylor, Jean Doré, Angelo Tremblay
This study evaluated the impact of probiotic supplementation (Lactobacillus rhamnosus CGMCC1.3724 (LPR)) on appetite sensations and eating behaviors in the context of a weight-reducing program. Obese men (n = 45) and women (n = 60) participated in a double-blind, randomized, placebo-controlled trial that included a 12-week weight loss period (Phase 1) based on moderate energy restriction, followed by 12 weeks of weight maintenance (Phase 2). During the two phases of the program, each subject consumed two capsules per day of either a placebo or a LPR formulation (10 mg of LPR equivalent to 1...
March 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28293926/prenatal-maternal-distress-and-allergic-diseases-in-offspring-review-of-evidence-and-possible-pathways
#12
REVIEW
Dong In Suh, Hyoung Yoon Chang, Eun Lee, Song I Yang, Soo Jong Hong
Recent studies have suggested a close association between prenatal maternal distress and allergic diseases in the offspring. We selected relevant birth-cohort or national registry studies using a keyword search of the PubMed database and summarized current evidence on the impact of prenatal maternal distress on the development of offspring's allergic diseases. Moreover, we postulated possible pathways linking prenatal distress and allergic diseases based on relevant human and animal studies. Both dysregulated hypothalamic-pituitary-adrenal axis and increased oxidative stress may cause structural (altered brain/lung development) and functional (skewed immune development) changes, which may predispose the fetus to developing allergic diseases during childhood...
May 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28293234/dysbiosis-of-gut-microbiota-associated-with-clinical-parameters-in-polycystic-ovary-syndrome
#13
Rui Liu, Chenhong Zhang, Yu Shi, Feng Zhang, Linxia Li, Xuejiao Wang, Yunxia Ling, Huaqing Fu, Weiping Dong, Jian Shen, Andrew Reeves, Andrew S Greenberg, Liping Zhao, Yongde Peng, Xiaoying Ding
Polycystic ovary syndrome (PCOS) is a common endocrine and metabolic disorder in women. Gut microbiota has been implicated to play a critical role in metabolic diseases and may modulate the secretion of mediators of the brain-gut axis. Interaction between gut microbiota and the endocrine and biochemical disturbances in PCOS still remains elusive. Here, we showed an altered gut microbiota significantly correlated with PCOS phenotype. There were 33 patients with PCOS (non-obese PCOS individuals, PN, n = 12; obese PCOS individuals, PO, n = 21) as well as 15 control subjects (non-obese control individuals, CN, n = 9; obese control individuals, CO, n = 6) enrolled in our study...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28291971/can-gut-microbes-play-a-role-in-mental-disorders-and-their-treatment
#14
Klara Latalova, Miroslav Hajda, Jan Prasko
The gut microbes, collectively called microbiota, are linked to the brain through a bidirectional system that involves the vagus nerve, the immune system, and various neurotransmitters. Stress response, memory functions, social behavior, and mood are modulated by microbiota. Furthermore, microbiota play a role in the development of the central nervous system. These features, established largely in rodent studies, have informed hypotheses about the role of microbiota in human psychiatric disorders. Microbiota affect phenomena that are known to be parts of the depression phenotype, such as exaggerated response to stress and inflammatory features...
March 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28290524/gut-dysbiosis-and-neuroimmune-responses-to-brain-infection-with-theiler-s-murine-encephalomyelitis-virus
#15
F J Carrillo-Salinas, L Mestre, M Mecha, A Feliú, R Del Campo, N Villarrubia, C Espejo, X Montalbán, J C Álvarez-Cermeño, L M Villar, C Guaza
Recent studies have begun to point out the contribution of microbiota to multiple sclerosis (MS) pathogenesis. Theiler's murine encephalomyelitis virus induced demyelinating disease (TMEV-IDD) is a model of progressive MS. Here, we first analyze the effect of intracerebral infection with TMEV on commensal microbiota and secondly, whether the early microbiota depletion influences the immune responses to TMEV on the acute phase (14 dpi) and its impact on the chronic phase (85 dpi). The intracranial inoculation of TMEV was associated with a moderate dysbiosis...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28289903/gut-microbiota-and-attention-deficit-hyperactivity-disorder-new-perspectives-for-a-challenging-condition
#16
REVIEW
María Carmen Cenit, Isabel Campillo Nuevo, Pilar Codoñer-Franch, Timothy G Dinan, Yolanda Sanz
A bidirectional communication between the gut and the brain (gut-brain axis) is well recognized with the gut microbiota viewed as a key regulator of this cross-talk. Currently, a body of preclinical and to a lesser extent epidemiological evidence supports the notion that host-microbe interactions play a key role in brain development and function and in the etiology of neurodevelopmental disorders. Early life events and shifts away from traditional lifestyles are known to impact gut microbiota composition and function and, thereby, may increase the risk of developing neurodevelopmental disorders...
March 13, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28287686/cyproheptadine-a-potentially-effective-treatment-for-functional-gastrointestinal-disorders-in-children
#17
Amornluck Krasaelap, Shailender Madani
Functional gastrointestinal disorders (FGIDs) negatively affect children's quality of life and health care costs. It has been proposed that alteration of gut serotonin leads to gastrointestinal dysmotility, visceral hypersensitivity, altered gastrointestinal secretions, and brain-gut dysfunction. Cyproheptadine, a serotonin antagonist, has been shown to be a potentially effective and safe treatment option in children who meet the clinical criteria for FGIDs. Well-designed multicenter trials with long-term follow-up are needed to further investigate its efficacy...
March 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28286112/the-gut-microbiome-and-microbial-translocation-in-multiple-sclerosis
#18
REVIEW
Ali Mirza, Yang Mao-Draayer
Individuals with Multiple Sclerosis (MS) have a distinct intestinal microbial community (microbiota) and increased low-grade translocation of bacteria from the intestines into the circulation. Immunopathologies shared with MS are regulated by bacteria reduced in individuals with MS. These bacteria regulate systemic and central nervous system (CNS) immunity including regulatory T cell function, blood-brain barrier (BBB) permeability, CNS-resident cells. This review discusses the MS intestinal microbiota structure implication on MS systemic- and CNS-immunopathology...
March 9, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28284226/enhanced-susceptibility-of-triple-transgenic-alzheimer-s-disease-3xtg-ad-mice-to-acute-infection
#19
Rebecca Montacute, Kerry Foley, Ruth Forman, Kathryn Jane Else, Sheena Margaret Cruickshank, Stuart McRae Allan
BACKGROUND: Infection is a recognised risk factor for Alzheimer's disease (AD) and can worsen symptoms in established disease. AD patients have higher rates of infection and are more likely to require hospital admissions due to infections than individuals without dementia. Infections have also been found to increase the risk of those over 84 years of age being diagnosed with dementia. However, few studies have investigated immune responses to infection in AD. METHODS: Here, we investigated the immune responses of the triple transgenic Alzheimer's disease (3xTg-AD) mouse model of AD to infection with the parasites Toxoplasma gondii and Trichuris muris...
March 11, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28283098/from-bugs-to-brains-the-microbiome-in-neurological-health
#20
EDITORIAL
Kyla A McKay, Kaarina Kowalec, Fiona Brinkman, B Brett Finlay, Marc Horwitz, Amee R Manges, Lisa Osborne, Helen Tremlett
Knowledge surrounding the trillions of microbes that inhabit the human gut has bloomed exponentially in recent years, and the emerging concept of a gut-brain axis represents a major shift in how we think about neurological health. A recent workshop at the University of British Columbia, Canada brought together multi-disciplinary leaders in the field of microbiomics and brain health and aimed to serve as a springboard for future combined endeavors in these areas. This article provides the motivation for, and overview of, the workshop, and the next steps in establishing a cross-disciplinary initiative on Brain Health and the Microbiome...
February 2017: Multiple Sclerosis and related Disorders
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