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Substance P

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https://www.readbyqxmd.com/read/29331909/linking-composition-of-extracellular-polymeric-substances-eps-to-the-physical-structure-and-hydraulic-resistance-of-membrane-biofilms
#1
Peter Desmond, James P Best, Eberhard Morgenroth, Nicolas Derlon
The effect of extracellular polymeric substances (EPS) on the meso-scale physical structure and hydraulic resistance of membrane biofilms during gravity driven membrane (GDM) filtration was investigated. Biofilms were developed on the surface of ultrafiltration membranes during dead-end filtration at ultra-low pressure (70 mbar). Biofilm EPS composition (total protein, polysaccharide and eDNA) was manipulated by growing biofilms under contrasting nutrient conditions. Nutrient conditions consisted of (i) a nutrient enriched condition with a nutrient ratio of 100:30:10 (C: N: P), (ii) a phosphorus limitation (C: N: P ratio: 100:30:0), and (iii) a nitrogen limitation (C: N: P ratio: 100:0:10)...
December 27, 2017: Water Research
https://www.readbyqxmd.com/read/29331852/no-time-to-waste-organic-waste-nanosizing-converts-remains-of-food-processing-into-refined-materials
#2
Sharoon Griffin, Muhammad Sarfraz, Verda Farida, Muhammad Jawad Nasim, Azubuike P Ebokaiwe, Cornelia M Keck, Claus Jacob
Modern food processing results in considerable amounts of side-products, such as grape seeds, walnut shells, spent coffee grounds, and harvested tomato plants. These materials are still rich in valuable and biologically active substances and therefore of interest from the perspective of waste management and "up-cycling". In contrast to traditional, often time consuming and low-value uses, such as vermicomposting and anaerobic digestion, the complete conversion into nanosuspensions unlocks considerable potentials of and new applications for such already spent organic materials without the need of extraction and without producing any additional waste...
January 11, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29331576/normative-distribution-of-substance-p-and-its-tachykinin-neurokinin-1-receptor-in-the-medullary-serotonergic-network-of-the-human-infant-during-postnatal-development
#3
Fiona M Bright, Roger W Byard, Robert Vink, David S Paterson
Substance P (SP) and its tachykinin NK1 receptor (NK1R) function within key medullary nuclei to regulate cardiorespiratory and autonomic control. We examined the normative distribution of SP and NK1R in the serotonergic (5-Hydroxytryptamine, [5-HT]) network of the human infant medulla during postnatal development, to provide a baseline to facilitate future analysis of the SP/NK1R system and its interaction with 5-HT within pediatric brainstem disorders in early life. [125I] labelled Bolton Hunter SP (BH-SP) tissue receptor autoradiography (n = 15), single label immunohistochemistry (IHC) and double label immunofluorescence (IF) (n = 10) were used to characterize the normative distribution profile of SP and NK1R in the 5-HT network of the human infant medulla during postnatal development...
January 10, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29331520/vitamin-c-attenuates-biochemical-and-genotoxic-damage-in-common-carp-cyprinus-carpio-upon-joint-exposure-to-combined-toxic-doses-of-fipronil-and-buprofezin-insecticides
#4
Madiha Ghazanfar, Sana Shahid, Irfan Zia Qureshi
In the present study, potential protective role of Vitamin C (l-ascorbic acid) was investigated in aquaria acclimated common carp (Cyprinus carpio) following exposure for 96 h to combined toxic doses of fipronil (FP) and buprofezin (BPFN) insecticides in combination (FP: 200 μg/L; 4.57 × 10-7 mol/L and BPFN: 50 mg/L; 1.64 × 10-4 mol/L). At end of 96 h exposure, fish were supplemented with low (25 mg/L) and high (50 mg/L) doses of Vitamin C, added once daily to aquaria water for continuous three weeks...
January 5, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29330606/the-associations-of-poor-psychiatric-well-being-among-incarcerated-men-with-injecting-drug-use-histories-in-victoria-australia
#5
Reece Cossar, Mark Stoové, Stuart A Kinner, Paul Dietze, Campbell Aitken, Michael Curtis, Amy Kirwan, James R P Ogloff
BACKGROUND: Dual substance dependence and psychiatric and psychological morbidities are overrepresented in prison populations and associated with reoffending. In the context of an increasing prison population in Australia, investigating the needs of vulnerable people in prison with a dual diagnosis can help inform in-prison screening and treatment and improve prison and community service integration and continuation of care. In this study we quantified psychiatric well-being in a sample of people in prison with a history of injecting drug use in Victoria, Australia, and identified factors associated with this outcome...
January 13, 2018: Health & Justice
https://www.readbyqxmd.com/read/29330240/structured-management-of-chronic-nonmalignant-pain-with-opioids-in-a-rural-primary-care-office
#6
Kevin S McCann, Shawndra Barker, Raymond Cousins, Adam Franks, Clinton McDaniel, Stephen Petrany, Eric Riley
INTRODUCTION: The use of opioid medication for nonmalignant chronic pain (NMCP) increased dramatically during the last 20 years. There have been regulatory changes implemented to reduce the risk of harm to both patients and society. Much of the burden of monitoring these patients is falling on primary care physicians (PCPs), who do not have the time or resources to handle what is entailed in a best-practice approach to NMCP. METHODS: A retrospective study was conducted with all patients on opioid medication for NMCP who were enrolled onto an individual PCP's practice...
January 2018: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/29329975/risk-of-suicide-and-non-fatal-self-harm-after-bariatric-surgery-results-from-two-matched-cohort-studies
#7
Martin Neovius, Gustaf Bruze, Peter Jacobson, Kajsa Sjöholm, Kari Johansson, Fredrik Granath, Johan Sundström, Ingmar Näslund, Claude Marcus, Johan Ottosson, Markku Peltonen, Lena M S Carlsson
BACKGROUND: Bariatric surgery reduces mortality, but might have adverse effects on mental health. We assessed the risk of suicide and self-harm after bariatric surgery compared with non-surgical obesity treatment. METHODS: Suicide and non-fatal self-harm events retrieved from nationwide Swedish registers were examined in two cohorts. The non-randomised, prospective Swedish Obese Subjects (SOS) study compared bariatric surgery (n=2010; 1369 vertical-banded gastroplasty, 376 gastric banding, and 265 gastric bypass) with usual care (n=2037; recruitment 1987-2001)...
January 9, 2018: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/29329763/efficacy-and-safety-of-varenicline-for-smoking-cessation-in-people-living-with-hiv-in-france-anrs-144-inter-activ-a-randomised-controlled-phase-3-clinical-trial
#8
Patrick Mercié, Julie Arsandaux, Christine Katlama, Samuel Ferret, Aurélie Beuscart, Christian Spadone, Claudine Duvivier, Jacques Reynes, Nathalie Wirth, Laetitia Moinot, Antoine Bénard, David Zucman, Xavier Duval, Jean-Michel Molina, Bruno Spire, Catherine Fagard, Geneviève Chêne
BACKGROUND: Tobacco smoking is common in people living with HIV, but high-quality evidence on interventions for smoking cessation is not available in this population. We aimed to assess the efficacy and safety of varenicline with counselling to aid smoking cessation in people living with HIV. METHODS: The ANRS 144 Inter-ACTIV randomised, parallel, double-blind, multicentre, placebo-controlled phase 3 trial was done at 30 clinical hospital sites in France. People living with HIV who had smoked at least ten cigarettes per day for 1 year or longer, were motivated to stop smoking, were not dependent on another psychoactive substance, and had no history of depression or suicide attempt were eligible...
January 9, 2018: Lancet HIV
https://www.readbyqxmd.com/read/29329435/expanding-a-radiology-lexicon-using-contextual-patterns-in-radiology-reports
#9
Bethany Percha, Yuhao Zhang, Selen Bozkurt, Daniel Rubin, Russ B Altman, Curtis P Langlotz
Objective: Distributional semantics algorithms, which learn vector space representations of words and phrases from large corpora, identify related terms based on contextual usage patterns. We hypothesize that distributional semantics can speed up lexicon expansion in a clinical domain, radiology, by unearthing synonyms from the corpus. Materials and Methods: We apply word2vec, a distributional semantics software package, to the text of radiology notes to identify synonyms for RadLex, a structured lexicon of radiology terms...
January 10, 2018: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29329087/occurrence-of-perfluoroalkyl-substances-pfas-in-garden-produce-at-homes-with-a-history-of-pfas-contaminated-drinking-water
#10
Deanna P Scher, James E Kelly, Carin A Huset, Kitrina M Barry, Richard W Hoffbeck, Virginia L Yingling, Rita B Messing
The decades-long disposal of manufacturing waste containing perfluoroalkyl substances (PFAS) in landfills resulted in contamination of groundwater serving as the drinking water supply for the eastern Twin Cities metropolitan region. While measures were taken to reduce the levels of PFAS in the drinking water, questions remained about possible non-drinking water pathways of exposure in these communities. The Minnesota Department of Health (MDH) investigated whether PFAS in water used for yard and garden irrigation results in elevated concentrations of PFAS in soil and home-grown produce...
December 29, 2017: Chemosphere
https://www.readbyqxmd.com/read/29328505/substance-p-as-a-putative-efferent-transmitter-mediates-gabaergic-inhibition-in-mouse-taste-buds
#11
Anthony Y Huang, Sandy Y Wu
BACKGROUND AND PURPOSE: Capsaicin-mediated modulation on taste nerve responses is thought to be produced indirectly by actions of neuropeptides, e.g., calcitonin gene-related peptide (CGRP) and substance P (SP), onto taste cells implying playing a role in taste sensitivity. During processing gustatory information in taste buds, CGRP shapes peripheral taste signals via serotonergic signaling. The underlying assumption has been that SP exerts its effects on taste transmitter secretion in taste buds of mice...
January 12, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29327978/in-vivo-cyp3a-activity-in-palliative-care-patients-study-protocol-for-a-single-arm-prospective-trial
#12
Marcus J P Geist, Hubert J Bardenheuer, Jürgen Burhenne, Gerd Mikus
BACKGROUND: Drug interactions are a common cause for escalation of debilitating symptoms in palliative care patients. CYP3A is the most relevant CYP enzyme in humans involved in metabolism of about half of all available pharmaceuticals. OBJECTIVE: To increase knowledge about the CYP3A enzyme and the impact of drug interactions on its activity to improve dosing in palliative care patients. DESIGN: The prospective clinical trial uses a secure method of analyzing CYP3A activity in humans: Administration of a marker substance followed by the determination of its blood concentrations as well as the concentrations of its metabolite at certain points of time and corresponding metabolic clearance calculations...
January 12, 2018: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/29327363/pretreatment-with-substance-p-alleviates-irritation-due-to-sodium-lauryl-sulphate-exposure-by-maintaining-e-cadherin-expression-on-human-keratinocytes
#13
H W Choi, H J Ahn, M K Shin, Y S Son, K S Kim
No abstract text is available yet for this article.
January 12, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29325862/antibacterial-effects-of-cinnamon-cinnamomum-zeylanicum-bark-essential-oil-on-porphyromonas-gingivalis
#14
Yue Wang, Yi Zhang, Yan-Qin Shi, Xian-Hua Pan, Yan-Hua Lu, Ping Cao
The objective of this study was to investigate the antibacterial effects of cinnamon (Cinnamomum zeylanicum) bark essential oil (CBEO) and its principal constituent cinnamaldehyde against Porphyromonas gingivalis and to elucidate the antibacterial mechanism. GC-MS analysis showed that cinnamaldehyde was the major constituent in CBEO (57.97%). The minimum inhibition concentrations (MICs) of CBEO and cinnamaldehyde were 6.25 μg/mL and 2.5 μM for P. gingivalis, respectively. Nucleic acid and protein leakage was observed with increasing concentrations of CBEO and cinnamaldehyde...
January 8, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29324813/increase-in-extraction-of-i-123-iomazenil-in-patients-with-chronic-cerebral-ischemia
#15
Hiroki Kato, Kayako Isohashi, Eku Shimosegawa, Jun Hatazawa
BACKGROUND: Cerebral extraction of diffusively distributed substances like oxygen has been suggested to change according to the cerebral blood flow (CBF) and status of the microvasculature. The relationships between the cerebral extraction of diffusively distributed lipophilic tracers and the severity of cerebral ischemia has not yet been clarified. In the present study, we attempted to elucidate the association between the extraction fraction of the lipophilic tracer I-123 iomazenil (IMZ) (IMZ-EF) and the oxygen extraction fraction (OEF) derived from O-15 PET in patients with chronic steno-occlusive disease of internal carotid artery (ICA) or middle cerebral artery (MCA)...
2018: PloS One
https://www.readbyqxmd.com/read/29324332/impaired-plasminogen-binding-in-patients-with-venous-thromboembolism-association-with-protein-carbonylation
#16
Jakub Siudut, Joanna Natorska, Michal Zabczyk, Dorota Zajac, Karolina Seweryn, Maria Rąpała-Kozik, Anetta Undas
INTRODUCTION: Venous thromboembolism (VTE) is associated with hypofibrinolysis. Its mechanisms are poorly understood. We investigated plasminogen-fibrin interaction and its association with fibrinolytic capacity and protein oxidation/carbonylation in VTE patients. MATERIALS AND METHODS: Plasma-purified plasminogen conversion to plasmin and surface plasmon resonance employed for plasminogen-fibrin interactions were individually evaluated in all healthy controls and non-anticoagulated patients following VTE, 10-23months since the event...
January 5, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29323504/protective-behavioral-strategies-mediate-the-relationship-between-behavioral-economic-risk-factors-and-alcohol-related-problems
#17
Andrew T Voss, Kathryn E Soltis, Ashley A Dennhardt, Matthew P Martens, James G Murphy
Behavioral economic measures of alcohol reward value and future orientation have received support as predictors of alcohol consumption, alcohol-related problems, and response to intervention. Protective behavioral strategies (PBS) have been shown to be a significant mediator between a variety of risk factors and alcohol-related problems. The current article examines direct and mediating associations between measures of alcohol reward value (proportionate substance-related activity participation and enjoyment) and future orientation, use of PBS, and alcohol-related problems...
January 11, 2018: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/29323066/familiar-trespassers-in-histopathology-an-obstacle-in-diagnosis-a-single-blind-study
#18
P Shashikala, G M Sreevidyalatha, Sonam S Nandyal, Gowda Kavita Umapathy
BACKGROUND: Histopathologists encounter strange structures in tissue sections that appear unrelated to tissues, and these artifacts may be misinterpreted and misdiagnosed as pathological lesions. These substances may either be present within the tissues or can get implanted into tissue during biopsy procedure or laboratory handling or processing. AIMS: The aim of this study is to observe the microscopic appearance of different abnormal structures like commonly implanted food particles or easily incorporated substances during tissue processing with their probable histological misdiagnosis...
October 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29322544/role-of-bisphenol-a-as-environmental-factor-in-the-promotion-of-non-alcoholic-fatty-liver-disease-in%C3%A2-vitro-and-clinical-study
#19
M Dallio, M Masarone, S Errico, A G Gravina, C Nicolucci, R Di Sarno, L Gionti, C Tuccillo, M Persico, P Stiuso, N Diano, C Loguercio, A Federico
BACKGROUND: Bisphenol A is an endocrine disrupting chemical associated with type 2 diabetes mellitus (T2DM), cardiovascular disease and liver enzyme abnormalities. AIM: To evaluate bisphenol A plasma and urine levels in non-alcoholic fatty liver disease (NAFLD) patients compared to healthy subjects. Furthermore, we evaluated, in human HepG2 cells, the effects of exposure to different concentrations of bisphenol A on both oxidative stress induction and cell proliferation...
January 11, 2018: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29322301/effects-of-short-term-dhea-intake-on-hormonal-responses-in-young-recreationally-trained-athletes-modulation-by-gender
#20
Katia Collomp, Corinne Buisson, Nicolas Gravisse, Soraya Belgherbi, Zakaria Labsy, Manh-Cuong Do, Olivier Gagey, Sophie Dufay, Nancy Vibarel-Rebot, Michel Audran
BACKGROUND: Dehydroepiandrosterone (DHEA) figures on the World Anti-Doping Agency list of prohibited substances in sport because it is assumed that athletes expect a significant increase in testosterone through DHEA administration. The literature on the hormonal effects of DHEA intake nevertheless appears to be very scant in healthy young subjects, especially women. PURPOSE: We examined the effects of DHEA on adrenal and gonadal hormones, IGF1 and free T3 in healthy young male and female recreationally trained volunteers...
January 10, 2018: Endocrine
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