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Motility disorders

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https://www.readbyqxmd.com/read/28098054/long-term-esophageal-motility-changes-after-thyroidectomy-associations-with-aerodigestive-disorders
#1
G Scerrino, A Inviati, S Di Giovanni, N C Paladino, S Di Giovanni, N C Paladino, V Di Paola, C Raspanti, G I Melfa, F Cupido, S Mazzola, C Porrello, S Bonventre, G Gullotta
BACKGROUND: Patients undergoing thyroidectomy often complain aerodigestive disorders. In a previous study we showed the associations between voice impairment and proximal acid reflux, swallowing impairment and Upper Esophageal Sphyncter (UES) incoordination and the decrease in UES pressure in thirty-six patients observed before and soon afterwards uncomplicated thyroidectomy. This study investigated the state of post-thyroidectomy esophageal motility changes and its associations with these disorders after 18-24 months...
September 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28097469/laparoscopic-assisted-percutaneous-endoscopic-cecostomy-lapec-in-children-and-young-adults
#2
Shifra Koyfman, Kristen Swartz, Allan M Goldstein, Kyle Staller
OBJECTIVE: We evaluated the safety and efficacy of the laparoscopic-assisted percutaneous endoscopic cecostomy (LAPEC) procedure both in children and young adults, along with review of their pre-operative motility profiles, antegrade continence enema (ACE) regimen, and postoperative complications. METHODS: This retrospective review investigated 38 patients (32 children and 6 young adults) that underwent the LAPEC procedure. Primary outcomes evaluated were success versus failure of the procedure and post-operative complications...
January 17, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28081510/gestational-and-lactational-exposure-to-di-isobutyl-phthalate-via-diet-in-maternal-mice-decreases-testosterone-levels-in-male-offspring
#3
Xiaoyang Wang, Nan Sheng, Ruina Cui, Hongxia Zhang, Jianshe Wang, Jiayin Dai
Phthalates are a large family of ubiquitous environmental chemicals suspected of being endocrine disruptors, with exposure to these chemicals during prenatal and postnatal development possibly resulting in reproductive disorders. Di-isobutyl phthalate (DiBP) is widely used in consumer and industrial products, and although its exposure in the general population has increased in recent years, the mechanisms behind DiBP-induced reproductive disorders in male offspring remain unclear. Here, pregnant mice were exposed to 0 or 450 mg/kg bw/day DiBP via diet from gestation day (GD) 0 to GD21...
January 3, 2017: Chemosphere
https://www.readbyqxmd.com/read/28078679/diet-induced-dysmotility-and-neuropathy-in-the-gut-precedes-endotoxemia-and-metabolic-syndrome-the-chicken-and-the-egg-revisited
#4
Yvonne Elikplim Akua Nyavor, Onesmo Begira Balemba
Neuropathy of the enteric nervous system (ENS) is one of the major underlying causes of debilitating gastrointestinal (GI) motility disorders in diabetic patients. This article is protected by copyright. All rights reserved.
January 11, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28068730/impaired-bolus-clearance-in-combined-high-resolution-esophageal-manometry-and-impedance-measurement-helps-to-differentiate-between-esophagogastric-junction-outflow-obstruction-and-achalasia
#5
Eugen Zizer, Thomas Seufferlein, Mark Martin Hänle
Introduction and aims High-resolution esophageal manometry (HRM) has improved the diagnostic work-up of esophageal motility disorders. Simultaneous evaluation of bolus clearance delivers useful information about the function of tubular esophagus. We assessed bolus clearance in a combined HRM-impedance examination for esophagogastric junction outflow obstruction (EGJOO) in comparison to achalasia patients. The collected data were assessed in a retrospective analysis. Patients and methods After gastroscopy excluded a mechanical esophageal or gastric obstruction, 142 consecutive patients underwent combined HRM-impedance examination...
January 9, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28063509/function-of-obestatin-in-the-digestive-system
#6
REVIEW
Yue-Xian Xing, Liu Yang, Hong-Yu Kuang, Xin-Yuan Gao, Hao-Ling Liu
Physical health has a direct relationship with digestive function. Any abnormalities in the link may cause malnutrition, endocrine disorders, and the decline of organ functions. Obestatin, a biologically active peptide, is encoded by the ghrelin gene. Most studies suggest that obestatin is a pleiotropic peptide, which acts by suppressing the motility of the gastrointestinal tract, regulating the secretion of insulin, reducing inflammation and apoptosis, and promoting proliferation. These characteristics suggest that obestatin may represent an efficient way to prevent the occurrence and development of some digestive diseases...
February 2017: Nutrition
https://www.readbyqxmd.com/read/28062917/the-enteric-nervous-system-and-the-musculature-of-the-colon-are-altered-in-patients-with-spina-bifida-and-spinal-cord-injury
#7
Marjanne den Braber-Ymker, Martin Lammens, Michel J A M van Putten, Iris D Nagtegaal
Neurogenic bowel dysfunction occurs in a large percentage of adult patients with spina bifida (SB) and spinal cord injury (SCI), significantly affecting their quality of life. Although bowel motility is autonomously regulated by the enteric nervous system (ENS), disruption of the modulation of the ENS by extrinsic innervation as present in many patients with SB and SCI might lead to motility disorders. In order to gain insight in the pathophysiology, we studied histological changes of the neuromuscular structures in the colon of SB and SCI patients...
January 6, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28062487/alcohol-drives-s-nitrosylation-and-redox-activation-of-protein-phosphatase-1-causing-bovine-airway-cilia-dysfunction
#8
Michael Earl Price, Jacqueline A Pavlik, Miao Liu, Shi-Jian Ding, Todd A Wyatt, Joseph H Sisson
Individuals with alcohol (ethanol) use disorders are at increased risk for lung infections in part due to defective mucociliary clearance driven by motile cilia in the airways. We recently reported that isolated demembranated bovine cilia (axonemes) are capable of producing nitric oxide (∙NO) when exposed to biologically relevant concentrations of alcohol. This increased presence of ∙NO can lead to protein S-nitrosylation, a posttranslational modification signaling mechanism involving reversible adduction of nitrosium cations or ⋅NO to thiolate or thiyl groups, respectively, of proteins forming S-nitrosothiols...
January 6, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28061975/the-place-of-stress-and-emotions-in-the-irritable-bowel-syndrome
#9
S Pellissier, B Bonaz
Our emotional state can have many consequences on our somatic health and well-being. Negative emotions such as anxiety play a major role in gut functioning due to the bidirectional communications between gut and brain, namely, the brain-gut axis. The irritable bowel syndrome (IBS), characterized by an unusual visceral hypersensitivity, is the most common disorder encountered by gastroenterologists. Among the main symptoms, the presence of current or recurrent abdominal pain or discomfort associated with bloating and altered bowel habits characterizes this syndrome that could strongly alter the quality of life...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28059865/efferent-vision-therapy
#10
Janet C Rucker, Paul H Phillips
BACKGROUND: Traditional orthoptic therapy used by ophthalmologists, orthoptists, and optometrists is directed at improving visual acuity, ocular alignment, or both. For example, convergence exercises are used to treat convergence insufficiency (CI). However, other forms of "vision therapy" are directed at improving "visual processing and efficiency." The therapeutic regimen often entails repetitive ocular motor tasks performed during multiple office visits with a behavioral optometrist...
January 4, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28052756/small-rna-sequencing-of-cryopreserved-semen-from-single-bull-revealed-altered-mirnas-and-pirnas-expression-between-high-and-low-motile-sperm-populations
#11
E Capra, F Turri, B Lazzari, P Cremonesi, T M Gliozzi, I Fojadelli, A Stella, F Pizzi
BACKGROUND: Small RNAs present in bovine ejaculate can be linked to sperm abnormalities and fertility disorders. At present, quality parameters routinely used in semen evaluation are not fully reliable to predict bull fertility. In order to provide additional quality measurements for cryopreserved semen used for breeding, a method based on deep sequencing of sperm microRNA (miRNA) and Piwi-interacting RNA (piRNA) from individual bulls was developed. To validate our method, two populations of spermatozoa isolated from high and low motile fractions separated by Percoll were sequenced, and their small RNAs content characterized...
January 4, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28052282/changes-in-intestinal-motility-and-gut-microbiota-composition-in-a-rat-stress-model
#12
Takaaki Murakami, Kazuhiro Kamada, Katsura Mizushima, Yasuki Higashimura, Kazuhiro Katada, Kazuhiko Uchiyama, Osamu Handa, Tomohisa Takagi, Yuji Naito, Yoshito Itoh
BACKGROUND: Irritable bowel syndrome (IBS) causes chronic abdominal pain and abnormal bowel movements. The etiology involves complicated interactions among visceral hypersensitivity, disorders related to bowel movements, and stress. Changes in the microbiota affect the IBS pathophysiology. We investigated changes in colorectal motility, structure, and microbiota in response to stress due to maternal separation (MS) and corticotropin-releasing hormone (CRH) administration in rats. SUMMARY: Neonatal rats were separated from their mothers for 3 h daily from postnatal day (PND) 2 to PND14...
2017: Digestion
https://www.readbyqxmd.com/read/28041877/cytosine-5-rna-methylation-regulates-neural-stem-cell-differentiation-and%C3%A2-motility
#13
Joana V Flores, Lucía Cordero-Espinoza, Feride Oeztuerk-Winder, Amanda Andersson-Rolf, Tommaso Selmi, Sandra Blanco, Jignesh Tailor, Sabine Dietmann, Michaela Frye
Loss-of-function mutations in the cytosine-5 RNA methylase NSUN2 cause neurodevelopmental disorders in humans, yet the underlying cellular processes leading to the symptoms that include microcephaly remain unclear. Here, we show that NSUN2 is expressed in early neuroepithelial progenitors of the developing human brain, and its expression is gradually reduced during differentiation of human neuroepithelial stem (NES) cells in vitro. In the developing Nsun2(-/-) mouse cerebral cortex, intermediate progenitors accumulate and upper-layer neurons decrease...
January 10, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28039498/the-p38-mapk-inhibitor-sb203580-inhibits-cell-invasion-by-neospora-caninum
#14
Xiaoxia Jin, Pengtao Gong, Guojiang Li, Xichen Zhang, Jianhua Li
The Apicomplexan parasite Neospora caninum is an obligate intracellular parasitic protozoan. It can cause severe diseases in a number of animals throughout the world. Infection with N. caninum leads to abortions in pregnant animals and neuromuscular disorders of newborns which cause great economic losses to animal husbandry. However, the mechanism of cell invasion by N. caninum is still unclear. This paper aims to investigate the impact of SB203580, a p38 MAPK inhibitor, on host cell invasion by N. caninum...
December 30, 2016: Parasitology Research
https://www.readbyqxmd.com/read/28036151/network-properties-of-icc-affect-intestinal-pacemaker-activity-and-motor-patterns-according-to-a-mathematical-model-of-weakly-coupled-oscillators
#15
Ruihan Wei, Sean P Parsons, Jan D Huizinga
Interstitial cells of Cajal (ICC) are the pacemaker cells of gut motility and are associated with motility disorders. ICC form a network, but the contributions of its network properties to gut physiology and dysfunction are poorly understood. We modeled an ICC network as a two-dimensional network of weakly coupled oscillators with a frequency gradient and showed changes over time in video and graphical formats. Model parameters were obtained from slow wave driven contraction patterns in the mouse intestine and pacemaker slow wave activities from the cat intestine...
December 30, 2016: Experimental Physiology
https://www.readbyqxmd.com/read/28035728/high-resolution-electrical-mapping-of-porcine-gastric-slow-wave-propagation-from-the-mucosal-surface
#16
T R Angeli, P Du, N Paskaranandavadivel, S Sathar, A Hall, S J Asirvatham, G Farrugia, J A Windsor, L K Cheng, G O'Grady
BACKGROUND: Gastric motility is coordinated by bioelectrical slow waves, and gastric dysrhythmias are reported in motility disorders. High-resolution (HR) mapping has advanced the accurate assessment of gastric dysrhythmias, offering promise as a diagnostic technique. However, HR mapping has been restricted to invasive surgical serosal access. This study investigates the feasibility of HR mapping from the gastric mucosal surface. METHODS: Experiments were conducted in vivo in 14 weaner pigs...
December 29, 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28033651/axons-get-ahead-insights-into-axon-guidance-and-congenital-cranial-dysinnervation-disorders
#17
REVIEW
John K Chilton, Sarah Guthrie
Cranial nerves innervate head muscles in a well-characterised and highly conserved pattern. Identification of genes responsible for human congenital disorders of these nerves, combined with the analysis of their role in axonal development in animal models has advanced understanding of how neuromuscular connectivity is established. Here we focus on the ocular motor system, as an instructive example of the success of this approach in unravelling the aetiology of human strabismus. The discovery that ocular motility disorders can arise from mutations in transcription factors, including HoxA1, HoxB1, MafB, Phox2A and Sall4, has revealed gene regulatory networks that pattern the brainstem and/or govern the differentiation of cranial motor neurons...
December 29, 2016: Developmental Neurobiology
https://www.readbyqxmd.com/read/28032547/regenerative-capacity-of-the-enteric-nervous-system-is-immaturity-defining-the-point-of-no-return
#18
Christina Oetzmann von Sochaczewski, Katharina Wenke, Andrew Grieve, Chris Westgarth-Taylor, Jerome A Loveland, Roman Metzger, Dietrich Kluth
BACKGROUND: Intestinal obstruction in newborns is associated with intestinal motility disorders after surgery. Alterations in the enteric nervous system (ENS) might cause abnormal peristalsis, which may then result in intestinal motility disorders. We aimed to quantify alterations in the myenteric plexus after a ligation and to test if these alterations were reversible. METHODS: Small intestines of chicken embryos were ligated in ovo at embryonic day (ED) 11 for either 4 d (ED 11-15) or 8 d (ED 11-19)...
October 3, 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/28029746/respiratory-manifestations-in-38-patients-with-alstr%C3%A3-m-syndrome
#19
Caroline Boerwinkle, Jan D Marshall, Joy Bryant, William A Gahl, Kenneth N Olivier, Meral Gunay-Aygun
OBJECTIVES: Alström syndrome (AS) is a rare, multi-system condition characterized by retinal degeneration, sensorineural hearing loss, obesity, insulin-resistant diabetes, hypertriglyceridemia, cardiomyopathy, hepatorenal disease, and recurrent respiratory infections. It belongs to a group of genetic disorders known as primary ciliopathies, which includes autosomal dominant and recessive polycystic kidney diseases, as well as Joubert and Bardet-Biedl syndromes. Prior studies have suggested phenotypic overlap between primary ciliopathies affecting the non-motile, sensory cilia, and primary ciliary dyskinesia (PCD), a motile ciliopathy characterized by respiratory tract disease...
December 28, 2016: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28028956/assessment-of-clinical-symptoms-and-multichannel-intraluminal-impedance-and-ph-monitoring-in-children-after-thoracoscopic-repair-of-esophageal-atresia-and-distal-tracheoesophageal-fistula
#20
Barbara M Iwańczak, Agnieszka Kosmowska-Miśków, Anna Kofla-Dłubacz, Mateusz Palczewski, Michał Grabiński, Katarzyna Pawłowska, Krzysztof Matusiewicz, Dariusz Patkowski
BACKGROUND: Motility disturbances of the esophagus and gastroesophageal reflux disease (GERD) are observed frequently in children after repair of congenital esophageal atresia with distal tracheoesophageal fistula (EA/TEF). Recently, in many pediatric surgical centers, thoracoscopic repair was introduced, which theoretically would change the postoperative course. OBJECTIVES: The goal of the study was to assess physical development, disease symptoms, and GERD symptom frequency in children who underwent thoracoscopic surgery of congenital EA/TEF...
September 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
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