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https://www.readbyqxmd.com/read/28449422/the-effect-of-anti-reflux-therapy-on-patients-diagnosed-with-minor-disorders-of-peristalsis-in-high-resolution-manometry
#1
Joonho Jeong, Sung Eun Kim, Moo In Park, Seun Ja Park, Won Moon, Jae Hyun Kim, Kyoungwon Jung, Youn Jung Choi, Jun Yeob Lee, Young Dal Lee
Background/Aims: Minor disorders of peristalsis are esophageal motility disorders categorized by the Chicago Classification (CC), version 3.0, which was announced in 2014. This study evaluated the efficacy of anti-reflux therapy in patients with minor peristaltic disorders. Methods: Patients with minor peristaltic disorders in accordance with CC v3.0 were included. We reviewed the medical records of patients with esophageal high-resolution manometry findings, and investigated the demographic and clinical information as well as the medical therapy...
April 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28448580/sildenafil-normalizes-bowel-transit-in-preclinical-models-of-constipation
#2
Sarah K Sharman, Bianca N Islam, Yali Hou, Margaux Usry, Allison Bridges, Nagendra Singh, Subbaramiah Sridhar, Satish Rao, Darren D Browning
Guanylyl cyclase-C (GC-C) agonists increase cGMP levels in the intestinal epithelium to promote secretion. This process underlies the utility of exogenous GC-C agonists such as linaclotide for the treatment of chronic idiopathic constipation (CIC) and irritable bowel syndrome with constipation (IBS-C). Because GC-C agonists have limited use in pediatric patients, there is a need for alternative cGMP-elevating agents that are effective in the intestine. The present study aimed to determine whether the PDE-5 inhibitor sildenafil has similar effects as linaclotide on preclinical models of constipation...
2017: PloS One
https://www.readbyqxmd.com/read/28448572/clonality-virulence-determinants-and-profiles-of-resistance-of-clinical-acinetobacter-baumannii-isolates-obtained-from-a-spanish-hospital
#3
Elias Dahdouh, Rosa Gómez-Gil, Sonsoles Pacho, Jesús Mingorance, Ziad Daoud, Monica Suárez
INTRODUCTION: Acinetobacter baumannii is a nosocomial pathogen that is showing increasing rates of carbapenem resistance. Multi-Drug Resistant (MDR) International Clones (ICs), associated with certain oxacillinases, are being reported globally. This organism also harbors numerous virulence determinants. In this study, we aim at characterizing A. baumannii isolated from a Spanish hospital in terms of antimicrobial susceptibility, clonality, carbapenemase genes harbored, and virulence determinants expressed...
2017: PloS One
https://www.readbyqxmd.com/read/28446800/oxidative-stress-evoked-damages-on-rat-sperm-and-attenuated-antioxidant-status-on-consumption-of-aspartame
#4
I Ashok, P S Poornima, D Wankhar, R Ravindran, R Sheeladevi
Although several studies on toxic effect of aspartame metabolite have been studied, controversial reports over the use of aspartame owing to the fact that it releases methanol as one of its metabolite during metabolism exist. This present study is proposed to investigate whether aspartame (40 mg kg(-1) b.wt) administration for 90 days could induce oxidative stress and alter antioxidant status of epididymal sperm in Wistar strain male albino rats. To mimic the human methanol metabolism, methotrexate (MTX)-treated rats were included to study the effects of aspartame...
April 27, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28445994/correction-amphiregulin-enhances-alpha6beta1-integrin-expression-and-cell-motility-in-human-chondrosarcoma-cells-through-ras-raf-mek-erk-ap-1-pathway
#5
Jui-Chieh Chen, Yu-Ju Chen, Chih-Yang Lin, Yi-Chin Fong, Chin-Jung Hsu, Chun-Hao Tsai, Jen-Liang Su, Chih-Hsin Tang
No abstract text is available yet for this article.
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445987/context-dependent-mir-204-and-mir-211-affect-the-biological-properties-of-amelanotic-and-melanotic-melanoma-cells
#6
Marianna Vitiello, Andrea Tuccoli, Romina D'Aurizio, Samanta Sarti, Laura Giannecchini, Simone Lubrano, Andrea Marranci, Monica Evangelista, Silvia Peppicelli, Chiara Ippolito, Ivana Barravecchia, Elena Guzzolino, Valentina Montagnani, Michael Gowen, Elisa Mercoledi, Alberto Mercatanti, Laura Comelli, Salvatore Gurrieri, Lawrence W Wu, Omotayo Ope, Keith Flaherty, Genevieve M Boland, Marc R Hammond, Lawrence Kwong, Mario Chiariello, Barbara Stecca, Gao Zhang, Alessandra Salvetti, Debora Angeloni, Letizia Pitto, Lido Calorini, Giovanna Chiorino, Marco Pellegrini, Meenhard Herlyn, Iman Osman, Laura Poliseno
Despite increasing amounts of experimental evidence depicting the involvement of non-coding RNAs in cancer, the study of BRAFV600E-regulated genes has thus far focused mainly on protein-coding ones. Here, we identify and study the microRNAs that BRAFV600E regulates through the ERK pathway.By performing small RNA sequencing on A375 melanoma cells and a vemurafenib-resistant clone that was taken as negative control, we discover miR-204 and miR-211 as the miRNAs most induced by vemurafenib. We also demonstrate that, although belonging to the same family, these two miRNAs have distinctive features...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445756/membrane-mechanics-of-primary-afferent-neurons-in-the-dorsal-root-ganglia-of-rats
#7
Hirosato Kanda, Jianguo G Gu
Membrane mechanics is an important biological factor regulating many cellular functions including cell motility, intercellular and intracellular signaling, gene expression, and membrane ion channel activity. Primary afferent neurons transduce sensory information about temperature, touch, and pain. These sensory functions may be profoundly affected by the states of primary afferent neuron mechanics. However, membrane mechanics of primary afferent neurons is largely unknown. In this study, we established the optical trapping technique for determining membrane mechanics of cultured primary afferent neurons of the dorsal root ganglia (DRG)...
April 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28445488/a-versatile-method-for-dynamically-controlled-patterning-of-small-populations-of-epithelial-cells-on-substrates-via-non-contact-piezoelectric-inkjet-printing
#8
Kristen B Lee, Laimonas Kelbauskas, Alan Brunner, Deirdre R Meldrum
Intercellular interactions play a central role at the tissue and whole organism level modulating key cellular functions in normal and disease states. Studies of cell-cell communications are challenging due to ensemble averaging effects brought about by intrinsic heterogeneity in cellular function which requires such studies to be conducted with small populations of cells. Most of the current methods for producing and studying such small cell populations are complex to implement and require skilled personnel limiting their widespread utility in biomedical research labs...
2017: PloS One
https://www.readbyqxmd.com/read/28444969/metabolic-reprogramming-and-epithelial-to-mesenchymal-transition-in-cancer
#9
REVIEW
Marco Sciacovelli, Christian Frezza
Several lines of evidence indicate that during transformation epithelial cancer cells can acquire mesenchymal features via a process called epithelial-to-mesenchymal transition (EMT). This process endows cancer cells with increased invasive and migratory capacity, enabling tumour dissemination and metastasis. EMT is associated with a complex metabolic reprogramming, orchestrated by EMT transcription factors, which support the energy requirements of increased motility and growth in harsh environmental conditions...
April 26, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28444862/role-of-wireless-motility-capsule-in-the-assessment-and-management-of-gastrointestinal-dysmotility-in-patients-with-diabetes-mellitus
#10
C Rouphael, Z Arora, P N Thota, R Lopez, J Santisi, C Funk, M Cline
BACKGROUND: Gastrointestinal (GI) dysmotility is common in diabetic patients. Wireless Motility Capsule (WMC) provides the transit profile of the entire GI tract in a single study. Factors affecting GI dysmotility and utility of WMC study are not clearly established in diabetic patients. Our aims were to study the pattern of GI dysmotility using WMC and evaluate the effect of glycemic control and presence of diabetic microvascular complications on motility impairment in diabetic patients...
April 26, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28444774/protective-effect-of-l-carnitine-and-l-arginine-against-busulfan-induced-oligospermia-in-adult-rat
#11
A M Abd-Elrazek, O A H Ahmed-Farid
Busulfan is an anticancer drug caused variety of adverse effects for patients with cancer. But it could cause damage to the male reproductive system as one of its adverse effects. This study aimed to investigate the protective effect of L-carnitine and L-arginine on semen quality, oxidative stress parameters and testes cell energy after busulfan treatment. Adult male rats were divided into four groups: control (Con), busulfan (Bus), busulfan plus L-arginine (Bus + L-arg) and busulfan plus L-carnitine (Bus + L-car)...
April 25, 2017: Andrologia
https://www.readbyqxmd.com/read/28444612/wbp2nl-pawp-mrna-and-protein-expression-in-sperm-cells-are-not-related-to-semen-parameters-fertilization-rate-or-reproductive-outcome
#12
T Freour, M Barragan, A Ferrer-Vaquer, A Rodríguez, Rita Vassena
PURPOSE: WBP2NL/PAWP, a protein found in the post-acrosomal region of mammalian spermatozoa, has been proposed as a sperm-borne oocyte-activating factor (SOAF) contributing to Ca(2+) release within the oocyte and subsequent fertilization and embryo development. However, its relevance as either a diagnostic or a prognostic marker of fertilization failure has been questioned in the recent literature. We analyzed WBP2NL/PAWP gene and protein expression level and localization in patients without previous intracytoplasmic sperm injection (ICSI) cycles in order to assess its association with both sperm characteristics and ability to fertilize...
March 21, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28444418/role-of-flagella-in-the-pathogenesis-of-helicobacter-pylori
#13
REVIEW
Haiying Gu
This review aimed to investigate the role of Helicobacter pylori flagella on the pathogenicity of this bacterium in humans. Helicobacter pylori is a flagellated pathogen that colonizes the human gastroduodenal mucosa and produces inflammation, and is responsible for gastrointestinal disease. Its pathogenesis is attributed to colonization and virulence factors. The primary function of H. pylori flagella is to provide motility. We believe that H. pylori flagella play an important role in the colonization of the gastrointestinal mucosa...
April 26, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28443587/role-of-trace-elements-for-oxidative-status-and-quality-of-human-sperm
#14
Galina Nenkova, Lubomir Petrov, Albena Alexandrova
BACKGROUND: Oxidative stress affects negatively the sperm quality. For maintaining the pro/antioxidative balance, some metal ions (e.g. copper, zinc, iron, selenium), which are co-factors of the antioxidant enzymes, are essential. However, iron and copper could act as prooxidants inducing oxidative damage of spermatozoa. AIMS: This study aims to reveal a possible correlation between the concentrations of some metal ions (iron, copper, zinc, and selenium) in human seminal plasma, oxidative stress, assessed by malondialdehyde (MDA) and total glutathione (tGSH) levels, and semen quality, assessed by the parameters count, motility, and morphology...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28443513/the-gastrointestinal-dysmotility-and-infections-in-systemic-sclerosis-a-real-world-scenario
#15
Shefali Khanna Sharma, M B Adarsh, Saroj K Sinha, Anish Bhattacharya, Satyavati Rana, Surjit Singh, Varun Dhir
INTRODUCTION: Systemic Sclerosis is known to involve the gastrointestinal system and can lead to multitude of problems predominantly affecting the GI motility. METHODS: It was a prospective, observational, single centre study of fifty consecutive patients with SSc who presented to rheumatology clinic. Gut score was assessed using UCLA SCTC GIT 2.0 questionnaire. 35 patients underwent esophago- gastro duodenoscopy(UGIE), 31 underwent esophageal manometry, 37 underwent lactulose breath test to assess orocaecal transit time (OCTT) and glucose breath test for detecting small intestinal bacterial overgrowth (SIBO) and 36 underwent gastric emptying scintigraphy to measure gastric emptying time...
April 25, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28443501/testicular-dysfunction-is-a-common-feature-in-men-with-type2-diabetes-mellitus-in-a-nigerian-tertiary-hospital
#16
Onung Samuel Inih, Young Ekenechukwu Esther, Fasanmade Olufemi Adetola, Anyanwu Anthony Chinedu, Nwatu Chidinma Brenda, Ohwovoriole Augustine Efedaye
BACKGROUND: Hypogonadism in male patients with diabetes mellitus is associated with older age, obesity and poor glycaemic control. The patterns of sperm count, testicular volume, sperm motility and morphology have also been reported to be abnormal in these patients, though reports are conflicting. The objectives of this study were to assess gonadal function and sperm parameters in Nigerian males with diabetes mellitus. METHODS: A study sample of 150 males consisting of 108 patients and 56 age-matched controls were recruited...
April 25, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28443497/netrin-1-in-cancer-potential-biomarker-and-therapeutic-target
#17
Umut Kefeli, Aysegul Ucuncu Kefeli, Devrim Cabuk, Ulas Isik, Alper Sonkaya, Ozgur Acikgoz, Ercan Ozden, Kazim Uygun
Netrin-1, a laminin-related protein, is known to be involved in the nervous system development. Recently, Netrin-1's involvement in other processes such as cell adhesion, motility, proliferation, and differentiation that are important for the development of epithelial tissues has been described. In addition, Netrin-1 and its receptors, deleted in colorectal cancer and uncoordinated-5 homolog, have been linked to apoptosis and angiogenesis. Since these properties are essential for tumor development, Netrin-1 and its receptors have been reported to promote tumorigenesis in many types of cancers...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28443181/development-of-a-test-method-for-the-evaluation-of-dna-damage-in-mouse-spermatogonial-stem-cells
#18
Hye Lyun Jeon, Jung-Sun Yi, Tae Sung Kim, Youkyung Oh, Hye Jeong Lee, Minseong Lee, Jin Seok Bang, Kinarm Ko, Il Young Ahn, Kyungyuk Ko, Joohwan Kim, Hye-Kyung Park, Jong Kwon Lee, Soo Jung Sohn
Although alternative test methods based on the 3Rs (Replacement, Reduction, Refinement) are being developed to replace animal testing in reproductive and developmental toxicology, they are still in an early stage. Consequently, we aimed to develop alternative test methods in male animals using mouse spermatogonial stem cells (mSSCs). Here, we modified the OECD TG 489 and optimized the in vitro comet assay in our previous study. This study aimed to verify the validity of in vitro tests involving mSSCs by comparing their results with those of in vivo tests using C57BL/6 mice by gavage...
April 2017: Toxicological Research
https://www.readbyqxmd.com/read/28442719/chlamydia-trachomatis-neither-exerts-deleterious-effects-on-spermatozoa-nor-impairs-male-fertility
#19
Jenniffer Puerta Suarez, Leonardo R Sanchez, Florencia C Salazar, Hector A Saka, Rosa Molina, Andrea Tissera, Virginia E Rivero, Walter D Cardona Maya, Ruben D Motrich
Chlamydia trachomatis is the most prevalent sexually transmitted bacterial infection. However, whether Chlamydia trachomatis has a negative impact on sperm quality and male fertility is still controversial. Herein, we report the effects on sperm quality of the in vitro exposure of spermatozoa to Chlamydia trachomatis, and also the effects of male genital infection on male fertility using an animal model. Human and mouse sperm were obtained from healthy donors and cauda epididimys from C57BL/6 mice, respectively...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28442686/glaucoma-drainage-implant-surgery
#20
Ahmad A Aref, Steven J Gedde, Donald L Budenz
Glaucoma drainage implant (GDI) surgery represents a significant advance in the treatment of refractory glaucomas. Recent randomized clinical trials have compared the efficacy and safety of this technique to standard trabeculectomy. Several types of implant are currently available and differ in surface area, shape, composition, and the presence or absence of a flow-restricting valve. Two separate prospective, randomized clinical trials comparing 2 types of GDI have reported results after 5 years of follow-up...
2017: Developments in Ophthalmology
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