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https://www.readbyqxmd.com/read/28645584/effects-of-intranasal-treatment-with-slow-gyy4137-and-rapid-nahs-donors-of-hydrogen-sulfide-in-lipopolysaccharide-induced-airway-inflammation-in-mice
#1
Yesim Kaya-Yasar, Yasemin Karaman, Turgut Emrah Bozkurt, Sevgen Celik Onder, Inci Sahin-Erdemli
We have investigated the effects of slow (GYY4137) and rapid (NaHS) hydrogen sulfide (H2S) releasing donors in lipopolysaccharide (LPS)-induced airway inflammation in mice. LPS (0.1 mg/ml) in 60 μl PBS was administered by the intranasal (i.n.) route and control group received vehicle, whereas the subgroups of mice were treated with i.n. GYY4137 or NaHS. The tracheal reactivity, inflammatory cell count in bronchoalveolar lavage (BAL) fluid and lung histopathology were evaluated in all groups 48 h after LPS/PBS applications...
June 20, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28644688/intraosseous-administration-of-antidotes-a-systematic-review
#2
Audrée Elliott, Pierre-André Dubé, Amélie Cossette-Côté, Laura Patakfalvi, Eric Villeneuve, Martin Morris, Sophie Gosselin
CONTEXT: Intraosseous (IO) access is an established route of administration in resuscitation situations. Patients with serious poisoning presenting to the emergency department may require urgent antidote therapy. However, intravenous (IV) access is not always readily available. OBJECTIVE: This study reviews the current evidence for IO administration of antidotes that could be used in poisoning. The primary outcome was mortality as a surrogate of efficacy. Secondary outcomes included hemodynamic variables, electrocardiographic variables, neurological status, pharmacokinetics outcomes, and adverse effects as defined by each article...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28640122/clinical-emergency-treatment-of-68-critical-patients-with-severe-organophosphorus-poisoning-and-prognosis-analysis-after-rescue
#3
Hui Dong, Yi-Bing Weng, Gen-Shen Zhen, Feng-Jie Li, Ai-Chun Jin, Jie Liu
This study reports the clinical emergency treatment of 68 critical patients with severe organophosphorus poisoning, and analyzes the prognosis after rescue.The general data of 68 patients with severe organophosphorus poisoning treated in our hospital were retrospectively analyzed. These patients were divided into 2 groups: treatment group, and control group. Patients in the control group received routine emergency treatment, while patients in the treatment group additionally received hemoperfusion plus hemodialysis on the basis of routine emergency treatment...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28638222/corticotropin-releasing-factor-stimulates-colonic-motility-via-muscarinic-receptors-in-the-rat
#4
Kyung-Jo Kim, Ki Bae Kim, Soon Man Yoon, Joung-Ho Han, Hee Bok Chae, Seon Mee Park, Sei Jin Youn
AIM: To measure exogenous corticotropin-releasing factor (CRF)-induced motility of the isolated rat colon and to demonstrate the effect of pharmacologic inhibition on CRF-induced motility. METHODS: The isolated vascularly-perfused rat colon was used. Luminal pressure was monitored via microtip catheter pressure transducers in the proximal and distal colon. At first, exogenous CRF was administered in a stepwise manner and the concentration of CRF yielding maximal colonic motility was selected...
June 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28637453/electroacupuncture-at-li11-promotes-jejunal-motility-via-the-parasympathetic-pathway
#5
Xuanming Hu, Mengqian Yuan, Yin Yin, Yidan Wang, Yuqin Li, Na Zhang, Xueyi Sun, Zhi Yu, Bin Xu
BACKGROUND: Gastrointestinal motility disorder has been demonstrated to be regulated by acupuncture treatment. The mechanisms underlying the effects of acupuncture stimulation of abdominal and lower limb acupoints on gastrointestinal motility have been thoroughly studied; however, the physiology underlying the effects of acupuncture on the forelimbs to mediate gastrointestinal motility requires further exploration. The aim of this study was to determine whether electroacupuncture (EA) at LI11 promotes jejunal motility, whether the parasympathetic pathway participates in this effect, and if so, which somatic afferent nerve fibres are involved...
June 21, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28632409/l-satropane-prevents-retinal-neuron-damage-by-attenuating-cell-apoptosis-and-a%C3%AE-production-via-activation-of-m1-muscarinic-acetylcholine-receptor
#6
Ping Yu, Wei Zhou, Lu Liu, Ya-Bin Tang, Yun Song, Juan-Juan Lu, Li-Na Hou, Hong-Zhuan Chen, Yong-Yao Cui
Muscarinic acetylcholine receptor (mAChR) agonists have been used to treat glaucoma due to their intraocular pressure-lowering effects. Recently, it has been reported that retinal mAChRs activation can also stimulate neuroprotective pathways. PURPOSE: In our study, we evaluated the potential neuroprotective effect of L-satropane, a novel mAChR agonist, on retinal neuronal injury induced by cobalt chloride (CoCl2) and ischemia/reperfusion (I/R). METHODS: CoCl2-induced hypoxia injury in cultured cell models and I/R-induced retinal neuronal damage in rats in vivo were used to evaluate the abilities of L-satropane...
June 20, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28625546/the-lateral-parabrachial-nucleus-and-central-angiotensinergic-mechanisms-in-the-control-of-sodium-intake-induced-by-different-stimuli
#7
Camila F Roncari, Richard B David, Patrícia M De Paula, Débora S A Colombari, Laurival A De Luca, Eduardo Colombari, José V Menani
Angiotensin II (ANG II) is a typical facilitatory stimulus for sodium appetite. Surprisingly, hyperosmolarity and central cholinergic stimulation, two classical antinatriorexigenic stimuli, also facilitate NaCl intake when they are combined with injections of the α2-adrenoceptor/imidazoline agonist moxonidine into the lateral parabrachial nucleus (LPBN). In the present study, we tested the relative importance of central angiotensinergic and cholinergic mechanisms for the control of water and NaCl intake by combining different dipsogenic or natriorexigenic stimuli with moxonidine injection into the LPBN...
June 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28612694/-anticholinergic-syndrome-caused-by-contaminated-herbal-tea-acting-swiftly-to-identify-the-source
#8
C Oerlemans, I de Vries, A J H P van Riel
BACKGROUND: Despite good manufacturing practice and quality control, consumer products can become contaminated. In some cases, this can result in severe and life-threatening intoxication with potentially fatal consequences. CASE DESCRIPTION: A 27-year-old man and a 28-year-old pregnant woman presented to the Emergency Department with severe anticholinergic syndrome after using a marshmallow root (Althaea officinalis) herbal remedy, mixed into hot chocolate drink, to reduce symptoms of common cold...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28591387/treatment-of-drooling-with-sublingual-atropine-sulfate-in-children-and-adolescents-with-cerebral-palsy
#9
Bruno L Scofano Dias, Alexandre R Fernandes, Heber de S Maia
Objective: To report the effect of sublingual atropine sulfate to treat drooling in children with cerebral palsy by comparing the results of the Drooling Impact Scale in a non-controlled open clinical trial. Results: Twenty-five children were assessed. The difference in the mean scores of the pre- and post-treatment scales reached statistical significance. There was a low frequency of side effects compared to studies with other anticholinergics. Conclusion: The use of sublingual atropine sulfate seems to be safe and there is a reduction in the Drooling Impact Scale score, which suggests efficacy in the treatment of drooling in children and adolescents with cerebral palsy...
May 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28578927/synergistic-signaling-by-light-and-acetylcholine-in-mouse-iris-sphincter-muscle
#10
Qian Wang, Wendy Wing Sze Yue, Zheng Jiang, Tian Xue, Shin H Kang, Dwight E Bergles, Katsuhiko Mikoshiba, Stefan Offermanns, King-Wai Yau
The mammalian pupillary light reflex (PLR) involves a bilateral brain circuit whereby afferent light signals in the optic nerve ultimately drive iris-sphincter-muscle contraction via excitatory cholinergic parasympathetic innervation [1, 2]. Additionally, the PLR in nocturnal and crepuscular sub-primate mammals has a "local" component in the isolated sphincter muscle [3-5], as in amphibians, fish, and bird [6-10]. In mouse, this local PLR requires the pigment melanopsin [5], originally found in intrinsically photosensitive retinal ganglion cells (ipRGCs) [11-19]...
June 19, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28578165/antihypertensive-and-vasorelaxant-effects-of-aqueous-extract-of-artemisia-campestris-l-from-eastern-morocco
#11
Ikram Dib, Monique Tits, Luc Angenot, Jean Noel Wauters, Asmae Assaidi, Hassane Mekhfi, Mohammed Aziz, Mohammed Bnouham, Abdelkhaleq Legssyer, Michel Frederich, Abderrahim Ziyyat
ETHNOPHARMACOLOGICAL RELEVANCE: Artemisia campestris L. (Asteraceae) has many traditional uses, among which treatment of diabetes and hypertension. AIM OF THE STUDY: This study was conducted in order to confirm the antihypertensive and hypotensive effects of A. campestris L. aqueous extract (AcAE) and to explore the underlying mechanism of action of its vasorelaxant effect, besides the acute toxicity. Also, the chemical composition of AcAE was investigated. MATERIAL AND METHODS: the chemical content of AcAE was determined by using HPLC and NMR techniques...
May 31, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28565806/prokinetic-effects-of-ld02gifro-on-functional-gastrointestinal-disorder-in-rats
#12
Myung-Joo Choi, Hong-Mei Zheng, Hee Dong Park, Hee Kyung Jeong, Soon-Sun Hong, Jae Min Kim, Don Haeng Lee
LD02GIFRO is a novel prokinetic agent formulated with Poncirus fructus and Zanthoxylum sp. fruits. The aim of the present study was to evaluate the effect of LD02GIFRO on delayed gastrointestinal transit (GIT) and colorectal hypersensitivity. To investigate the effect of LD02GIFRO, a rat model of delayed GIT was induced via three mechanisms; postoperative ileus (POI), morphine, and POI plus morphine. Visceromotor responses (VMR) to colorectal distension (CRD) were also evaluated. POI was induced by laparotomy surgery and manipulation of the small intestine under anesthesia, and GIT was calculated by measuring the length that Evans Blue travelled through the gastrointestinal tract in a given time...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28562775/acetylcholine-produces-contractions-mediated-by-the-cyclooxygenase-pathway-in-arterial-vessels-in-the-chilean-frog-calyptocephalella-gayi
#13
F A Moraga, N Urriola-Urriola
Previous studies performed in marine fish (I. conceptionis and G. laevifrons) showed that indomethacin blocked arterial contraction mediated by acetylcholine (ACh). The objective of this study was to determine if contraction induced by acetylcholine is mediated by the cyclooxygenase pathway in several arterial vessels in the Chilean frog Calyptocephalella gayi. Arteries from the pulmonary (PA), dorsal (DA), mesenteric (MA) and iliac (IA) regions were dissected from 6 adult specimens, and isometric tension studies were done using dose response curves (DRC) for ACh (10-13 to 10-3 M) in presence of a muscarinic antagonist (Atropine 10-5 M) and an unspecific inhibitor of cyclooxygenases (Indomethacin, 10-5M)...
May 25, 2017: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/28559836/unilateral-posterior-polymorphous-corneal-dystrophy-presented-as-anisometropic-astigmatism-3-case-reports
#14
Hyun Sun Jeon, Joon Young Hyon
BACKGROUND: Posterior polymorphous corneal dystrophy (PPCD) is typically considered bilateral and asymptomatic. However, few case reports on patients with unilateral PPCD with asymmetric refractive error have mentioned anisometropic amblyopia development. In support of this, we report 3 cases of unilateral PPCD that presented as anisometropic astigmatism. Visual prognosis related to amblyopia development is discussed. CASE PRESENTATION: All 3 patients had a band lesion in the affected eye and a difference of at least 1...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28557789/stability-of-alprazolam-atropine-sulfate-glutamine-levofloxacin-metoprolol-tartrate-nitrofurantoin-ondansetron-hydrochloride-oxandrolone-pregabaline-and-riboflavin-in-syrspend-sf-ph4-oral-suspensions
#15
Anderson O Ferreira, Hudson C Polonini, Sharlene Loures da Silva, Victor Augusto Cerqueira de Melo, Laura de Andrade, Marcos Antônio Fernandes Brandão
The objective of this study was to evaluate the stability of 10 commonly used active pharmaceutical ingredients compounded in oral suspensions using an internationally used suspending vehicle (SyrSpend SF PH4): alprazolam 1.0 mg/mL, atropine sulfate 0.1 mg/mL, glutamine 250.0 mg/mL, levofloxacin 50.0 mg/mL, metoprolol tartrate 10.0 mg/mL, nitrofurantoin 2.0 mg/mL, ondansetron hydrochloride 0.8 mg/mL, oxandrolone 3.0 mg/mL, pregabaline 20.0 mg/mL, riboflavin 10.0 mg/mL. All suspensions were stored at both controlled refrigeration (2°C to 8°C) and controlled room temperature (20°C to 25°C)...
May 2017: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28556808/antinociceptive-effect-of-the-essential-oil-from-croton-conduplicatus-kunth-euphorbiaceae
#16
Raimundo Gonçalves de Oliveira Júnior, Christiane Adrielly Alves Ferraz, Juliane Cabral Silva, Ana Paula de Oliveira, Tâmara Coimbra Diniz, Mariana Gama E Silva, Lucindo José Quintans Júnior, Ana Valéria Vieira de Souza, Uiliane Soares Dos Santos, Izabel Cristina Casanova Turatti, Norberto Peporine Lopes, Vitor Prates Lorenzo, Jackson Roberto Guedes da Silva Almeida
Medicinal plants have been widely used in the treatment of chronic pain. In this study, we describe the antinociceptive effect of the essential oil from Croton conduplicatus (the EO 25, 50, and 100 mg/kg, i.p.), a medicinal plant native to Brazil. Antinociceptive activity was investigated by measuring the nociception induced by acetic acid, formalin, hot plate and carrageenan. A docking study was performed with the major constituents of the EO (E-caryophyllene, caryophyllene oxide, and camphor). The EO reduced nociceptive behavior at all doses tested in the acetic acid-induced nociception test (p < 0...
May 30, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28556423/a-rare-complication-of-topical-atropine-for-treatment-of-eccrine-hidrocystoma-pharmacological-fixed-dilated-pupils
#17
Alireza Zandi, Bahareh Abtahi-Naeini, Mohsen Pourazizi
Multiple eccrine hidrocystoma (EH) has been treated with topical atropine with variable results. However, in rare cases, anticholinergic side effects have been seen after the use of the topical form of this drug. We presented a 50-year-old woman who developed recent onset of visual disturbance and photophobia from 2 weeks prior. The diagnosis of topical atropine-induced bilateral mydriasis was made. We reported a recognized but often overlooked case of bilateral mydriasis caused by application of topical 1% atropine for treatment of multiple EH...
May 29, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28551705/nerve-induced-responses-of-mouse-vaginal-smooth-muscle
#18
Dirk F van Helden, Ayumi Kamiya, Sam Kelsey, Derek R Laver, Phillip Jobling, Retsu Mitsui, Hikaru Hashitani
Neural and agonist-induced contractions of proximal (i.e. upper half adjacent to the cervix) and distal mouse vaginal smooth muscle strips were investigated. We hypothesised that nerve-mediated vaginal contractions arise through activity of cholinergic nerves. Nerve activation by bursts of electrical field stimulation (EFS) caused a primary transient contraction often accompanied by a secondary transient contraction, both larger in proximal than distal tissues (i.e. primary: 7-fold larger; secondary: 3-fold larger)...
May 27, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28551011/urothelial-acetylcholine-involvement-in-atp-induced-contractile-responses-of-the-rat-urinary-bladder
#19
Johanna Stenqvist, Michael Winder, Thomas Carlsson, Patrik Aronsson, Gunnar Tobin
Both acetylcholine and adenosine 5'-triphosphate (ATP) are released from the urothelium. In in vivo experiments ATP has been shown to evoke contractile responses that are significantly reduced by atropine. Currently, we aimed to examine the cholinergic part of the ATP-evoked contractile response of normal and inflamed (cyclophosphamide-treated rats) bladders. A whole bladder preparation that enabled drug administration either outside or inside the urinary bladder was used. The responses were examined in bladders from control and cyclophosphamide-treated rats that were either intact or urothelium-denuded...
May 25, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28545288/-enhanced-tachycardia-arrhythmia-in-two-patients-with-aconitine-intoxication-treated-with-atropine
#20
F Q Ma, Y Wang, C X Suo
No abstract text is available yet for this article.
April 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
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