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https://www.readbyqxmd.com/read/28728310/the-effect-of-h2-receptor-antagonist-in-acid-inhibition-and-its-clinical-efficacy
#1
REVIEW
Young Kwang Shim, Nayoung Kim
The first histamine H2 receptor antagonists (H2RAs) were developed in the early 1970s. They played a dominant role in treating peptic ulcer disease and gastroesophageal reflux disease (GERD). H2RAs block the production of acid by H(+), K(+)-ATPase at the parietal cells and produce gastric luminal anacidity for varying periods. H2RAs are highly selective, and they do not affect H1 receptors. Moreover, they are not anticholinergic agents. Sequential development of H2RAs, proton pump inhibitors (PPIs), and discovery of Helicobacter pylori infection changed the paradigm of peptic ulcer disease with marked decrease of morbidity and mortality...
July 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28726311/gaba-histamine-and-fmrfamide-immunoreactivity-in-the-visual-vestibular-and-central-nervous-systems-of-hermissenda-crassicornis
#2
Marissa P Webber, James W S Thomson, Johnny Buckland-Nicks, Roger P Croll, Russell C Wyeth
Hermissenda crassicornis is a model for studying the molecular and cellular basis for classical conditioning, based on its ability to associate light with vestibular stimulation. We used confocal microscopy to map histamine, FMRF-amide, and GABA immunoreactivity in the central nervous system (CNS), eyes, optic ganglia and statocysts of the nudibranchs. For histamine immunoreactivity, we documented both consistently and variably labelled CNS structures across individuals. We also noted minor differences in GABA immunoreactivity in the CNS compared to previous work on Hermissenda...
July 20, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28726198/anti-inflammatory-and-analgesic-activities-of-the-complex-of-flavonoids-from-lychnis-chalcedonica-l
#3
Yu V Nesterova, T N Povet'eva, L N Zibareva, N I Suslov, E P Zueva, S G Aksinenko, O G Afanas'eva, S G Krylova, E N Amosova, O Yu Rybalkina, K A Lopatina
Anti-inflammatory and analgesic activities of the complex of flavonoids from Lychnis chalcedonica L. were studied in the models of acute aseptic inflammation induced by carrageenan, histamine, and serotonin and acetic acid-induced painful chemical stimulation. It is demonstrated that course treatment with flavonoids derived from Lychnis chalcedonica L. produced a stable pharmacological effect comparable with that of the reference anti-inflammatory drug diclofenac.
July 18, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28724321/diospyros-kaki-calyx-inhibits-immediate-type-hypersensitivity-via-the-reduction-of-mast-cell-activation
#4
Min-Jong Kim, Hae Ran Park, Tae-Yong Shin, Sang-Hyun Kim
CONTEXT: Diospyros kaki L. (Ebenaceae) fruit is widely distributed in Asia and is known to exert anti-inflammatory and antithrombotic effects. OBJECTIVE: We evaluated the inhibitory effect of aqueous extract of D. kaki calyx (AEDKC) on mast cell-mediated immediate-type hypersensitivity and underlying mechanism of action. MATERIALS AND METHODS: For in vivo, ovalbumin (OVA)-induced active systemic anaphylaxis (ASA) and immunoglobulin (Ig) E-mediated passive cutaneous anaphylaxis (PCA) models were used...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28722302/a-novel-neurological-function-of-rice-bran-a-standardized-rice-bran-supplement-promotes-non-rapid-eye-movement-sleep-in-mice-through-histamine-h1-receptors
#5
Min Young Um, Sojin Kim, Young-Ho Jin, Minseok Yoon, Hyejin Yang, Jaekwang Lee, Jonghoon Jung, Yoshihiro Urade, Zhi-Li Huang, Sangoh Kwon, Suengmok Cho
SCOPE: Although rice bran has been shown to be associated with a wide spectrum of health benefits, to date, there are no reports on its effects on sleep. We investigated the effect of rice bran on sleep and the mechanism underlying this effect. METHODS AND RESULTS: Electroencephalography was used to evaluate the effects of standardized rice bran supplement (RBS) and doxepin hydrochloride (DH), a histamine H1 receptor (H1 R) antagonist used as a positive control, on sleep in mice...
July 19, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28721449/role-of-regulatory-t-cells-in-acute-myeloid-leukemia-patients-undergoing-relapse-preventive-immunotherapy
#6
Frida Ewald Sander, Malin Nilsson, Anna Rydström, Johan Aurelius, Rebecca E Riise, Charlotta Movitz, Elin Bernson, Roberta Kiffin, Anders Ståhlberg, Mats Brune, Robin Foà, Kristoffer Hellstrand, Fredrik B Thorén, Anna Martner
Regulatory T cells (Tregs) have been proposed to dampen functions of anti-neoplastic immune cells and thus promote cancer progression. In a phase IV trial (Re:Mission Trial, NCT01347996, http://www.clinicaltrials.gov ) 84 patients (age 18-79) with acute myeloid leukemia (AML) in first complete remission (CR) received ten consecutive 3-week cycles of immunotherapy with histamine dihydrochloride (HDC) and low-dose interleukin-2 (IL-2) to prevent relapse of leukemia in the post-consolidation phase. This study aimed at defining the features, function and dynamics of Foxp3(+)CD25(high)CD4(+) Tregs during immunotherapy and to determine the potential impact of Tregs on relapse risk and survival...
July 18, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28717055/incidence-of-anaphylactic-reactions-after-propofol-administration-in-dogs
#7
Mamoru Onuma, Misao Terada, Sadaharu Ono, Akiyoshi Murakami, Tomoko Ishida, Tadashi Sano
Propofol is an anesthetic agent suspended in an emulsion system that includes egg yolk lecithin and soybean oil, because of which, there is concern about the use of propofol in patients allergic to these substances. We examined the association between propofol administration and incidence of adverse events in dogs with allergy to egg yolk lecithin and soybean oil. On the basis of the findings of an allergen-specific immunoglobulin E (IgE) test, 14 dogs with high levels (high-IgE group) and 7 dogs with low levels (normal-IgE group) of IgE were selected...
July 14, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28715791/new-approach-for-the-diagnosis-of-histamine-intolerance-based-on-the-determination-of-histamine-and-methylhistamine-in-urine
#8
Oriol Comas-Basté, M Luz Latorre-Moratalla, Roberta Bernacchia, M Teresa Veciana-Nogués, M Carmen Vidal-Carou
Histamine intolerance is a disorder in the homeostasis of histamine due to a reduced intestinal degradation of this amine, mainly caused by diamine oxidase (DAO) enzyme deficiency, which provokes its accumulation in plasma and the appearance of adverse health affects. A new approach for the diagnosis of this intolerance could be the determination of histamine and its metabolites in urine. The aim of this work was to develop and validate a rapid method to determine histamine and methylhistamine in human urine by Ultra High Performance Liquid Chromatography and Fluorimetric detection (UHPLC-FL)...
July 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28713946/ginkgo-biloba-extract-prevents-acute-myocardial-infarction-and-suppresses-the-inflammation%C3%A2-and-apoptosis%C3%A2-regulating-p38-mitogen%C3%A2-activated-protein-kinases-nuclear-factor%C3%A2-%C3%AE%C2%BAb-and-b%C3%A2-cell-lymphoma-2-signaling-pathways
#9
Yanping Li, Ya Zhang, Min Wen, Ju Zhang, Xia Zhao, Yuan Zhao, Jiagang Deng
Ginkgo biloba is a plant known from the Mesozoic and has been regarded as one of the first to be used in traditional Chinese medicine (TCM). The plant extract has attracted a great deal of attention in recent years. The Ginkgo biloba leaf contains flavones and diterpenes. In addition, Ginkgo biloba performs certain pharmacologic actions, including antioxidant and anti‑aging activities. The aim of the present study was to examine whether Ginkgo biloba extract prevents acute myocardial infarction (AMI)...
July 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713616/baicalein-wogonin-and-scutellaria-baicalensis-ethanol-extract-alleviate-ovalbumin-induced-allergic-airway-inflammation-and-mast-cell-mediated-anaphylactic-shock-by-regulation-of-th1-th2-imbalance-and-histamine-release
#10
Thi Tho Bui, Chun Hua Piao, Chang Ho Song, Chang-Hyun Lee, Hee Soon Shin, Ok Hee Chai
Asthma is characterized by chronic inflammation, goblet cell hyperplasia, the aberrant production of the Th2 cytokines, and eosinophil infiltration into the lungs. In this study, we examined the effects of baicalein, wogonin, and Scutellaria baicalensis ethanol extract on ovalbumin (OVA)-induced asthma by evaluating Th1/Th2 cytokine levels, histopathologic analysis, and compound 48/80-induced systemic anaphylaxis and mast cell activation, focusing on the histamine release from rat peritoneal mast cells. Baicalein, wogonin, and S...
June 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/28711557/postprandial-hypoglycemia-complication-of-peptic-ulcer-surgery
#11
Adnan Haider, James K Burks, H I Cheema, Angel Tejada
OBJECTIVE: Billroth II procedures (gastrojejunostomy with vagotomy) are seldom performed now, but were popular before the advent of histamine 2 (H2) receptor blockers and proton pump inhibitors (PPIs). Such procedures can be a cause of late postprandial hypoglycemia. METHOD: Formal evaluation, discussion of postprandial hypoglycemia. RESULTS: We present a case of an 85-year-old man who presented to the Endocrinology clinic with a complaint of "fainting spells following large meals...
July 12, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28711030/carvedilol-can-attenuate-histamine-induced-paw-edema-and-formaldehyde-induced-arthritis-in-rats-without-risk-of-gastric-irritation
#12
Faf Sayed Osman, Dina Ahmed Labib, Mahmoud M Kamel
BACKGROUND AND AIM: Rheumatoid arthritis treatment aims to control joint damage and any associated complications such as cardiovascular disease. Most anti-inflammatory drugs have a high tendency to cause gastro-intestinal irritation. The present study is designed to investigate the anti-inflammatory effect of carvedilol and to study its effect on gastric mucosa. EXPERIMENTAL APPROACH: Lornoxicam (1.3mg/kg) or carvedilol (10mg/kg) was administrated orally 1h before histamine injection into animals of a histamine-induced paw edema model and orally daily for 11days into animals of a formaldehyde-induced arthritis model...
July 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28709954/modulation-of-itch-by-conditioning-itch-and-pain-stimulation-in-healthy-humans
#13
H H Andersen, A I M van Laarhoven, J Elberling, L Arendt-Nielsen
Little is known about endogenous descending control of itch. In chronic pain, descending pain inhibition is reduced as signified by lowered conditioned pain modulation (CPM). There are indications that patients with chronic itch may also exhibit reduced endogenous descending inhibition of itch and pain. This study aimed to investigate whether and the extent to which itch can be modulated by conditioning itch and pain stimuli. Twenty-six healthy volunteers participated. The study consisted of 5 conditions designed to systematically assess endogenous modulation of itch or pain: 1) itch-induced modulation of contralateral itch, 2) pain-induced modulation of contralateral itch, 3) pain-induced modulation of ipsilateral itch, 4) pain-induced modulation of contralateral pain, and 5) itch-induced modulation of contralateral pain...
July 11, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28708434/epithelial-cells-induce-a-cyclooxygenase-1-dependent-endogenous-reduction-in-airway-smooth-muscle-contractile-phenotype
#14
Michael J O'Sullivan, Elizabeth Gabriel, Alice Panariti, Chan Y Park, Gijs Ijpma, Jeffrey J Fredberg, Anne-Marie Lauzon, James G Martin
Airway smooth muscle (ASM) cells are phenotypically regulated to exist in either a proliferative or a contractile state. However the influence of other airway structural cell types on ASM cell phenotype is largely unknown. Although epithelial cells are known to drive ASM proliferation, their effects on the contractile phenotype are uncertain. In the current study we tested the hypothesis that epithelial cells reduce the contractile phenotype of ASM cells. To do so, we measured force production by traction microscopy, gene and protein expression as well as calcium release by Fura-2 ratiometric imaging...
July 14, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28707066/the-first-joint-meeting-of-the-european-histamine-research-society-and-japanese-histamine-research-society-may-11-14-2017-amsterdam-the-netherlands
#15
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28706014/response-to-comment-on-molecular-and-neural-basis-of-contagious-itch-behavior-in-mice
#16
Devin M Barry, Yao-Qing Yu, Yan Hao, Xue-Ting Liu, Zhou-Feng Chen
Liljencrantz et al report the failure of observing contagious itch behavior using mice injected with histamine as the demonstrators. Analysis of their results shows that the histamine model is limited by inadequate frequency and duration of scratching bouts required for contagious itch test. To streamline the contagious itch test, the screen paradigm is highly recommended.
July 14, 2017: Science
https://www.readbyqxmd.com/read/28706013/comment-on-molecular-and-neural-basis-of-contagious-itch-behavior-in-mice
#17
Jaquette Liljencrantz, Mark H Pitcher, Lucie A Low, Lucy Bauer, M Catherine Bushnell
Yu et al (Reports, 10 March 2017, p. 1072) state that contagious itch occurs in mice based on imitative scratching in normal mice observing excessive scratching in genetically modified demonstrator mice. However, despite employing multiple behavioral analysis approaches, we were unable to extend these findings to normal mice observing the well-established histamine model of acute itch in demonstrator mice.
July 14, 2017: Science
https://www.readbyqxmd.com/read/28705171/formula-diet-driven-microbiota-shifts-tryptophan-metabolism-from-serotonin-to-tryptamine-in-neonatal-porcine-colon%C3%AF
#18
Manish Kumar Saraf, Brian D Piccolo, Anne K Bowlin, Kelly E Mercer, Tanya LeRoith, Sree V Chintapalli, Kartik Shankar, Thomas M Badger, Laxmi Yeruva
BACKGROUND: The gut microbiota of breast-fed and formula-fed infants differ significantly, as do the risks for allergies, gut dysfunction, and upper respiratory tract infections. The connections between breast milk, various formulas, and the profiles of gut bacteria to these childhood illnesses, as well as the mechanisms underlying the effects, are not well understood. METHODS: We investigated distal colon microbiota by 16S RNA amplicon sequencing, morphology by histomorphometry, immune response by cytokine expression, and tryptophan metabolism in a pig model in which piglets were sow-fed, or fed soy or dairy milk-based formula from postnatal day (PND) 2 to 21...
July 14, 2017: Microbiome
https://www.readbyqxmd.com/read/28701542/group-iv-nociceptors-develop-axonal-chemical-sensitivity-during-neuritis-and-following-treatment-of-the-sciatic-nerve-with-vinblastine
#19
Rosann M Govea, Mary F Barbe, Geoffrey M Bove
We have previously shown that nerve inflammation (neuritis) and transient vinblastine application lead to axonal mechanical sensitivity in nociceptors innervating deep structures. We have also shown that these treatments reduce axonal transport, and proposed that this leads to functional accumulation of mechanically sensitive channels in the affected part of the axons. While informing the etiology of mechanically induced pain, axonal mechanical sensitivity does not address the common report of ongoing radiating pain during neuritis, which could be secondary to the provocation of axonal chemical sensitivity...
July 12, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28699796/utilization-and-safety-of-proton-pump-inhibitors-and-histamine-2-receptor-antagonists-in-children-and-adolescents-an-observational-cohort-study
#20
A Ruigómez, S Johansson, P Nagy, L A García Rodríguez
Background-Little is known about the use of acid-suppressing treatments and related safety events in children. Objective-We compared patient characteristics and safety outcomes among children prescribed acid-suppressing drugs for the first time. Methods-We used The Health Improvement Network to determine the characteristics of children prescribed a proton pump inhibitor (PPI; esomeprazole or another PPI) or a histamine-2 receptor antagonist (H2RA) by UK primary care physicians between October 2009 and September 2012...
July 12, 2017: Current Medical Research and Opinion
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