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https://www.readbyqxmd.com/read/28522908/detection-and-characterization-of-murine-colitis-and-carcinogenesis-by-molecularly-targeted-contrast-enhanced-ultrasound
#1
Markus Brückner, Jan Heidemann, Tobias M Nowacki, Friederike Cordes, Jörg Stypmann, Philipp Lenz, Faekah Gohar, Andreas Lügering, Dominik Bettenworth
AIM: To study mucosal addressin cellular adhesion molecule-1 (MAdCAM-1) and vascular endothelial growth factor (VEGF)-targeted contrast enhanced ultrasound (CEUS) for the assessment of murine colitis and carcinogenesis. METHODS: C57BL/6 mice were challenged with 3% dextran sodium-sulfate (DSS) for three, six or nine days to study the development of acute colitis. Ultrasound was performed with and without the addition of unspecific contrast agents. MAdCAM-1-targeted contrast agent was used to detect and quantify MAdCAM-1 expression...
April 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28501455/exploring-the-acceptability-of-the-available-pneumococcal-conjugate-vaccines-in-canadian-health-care-professionals-and-immunization-experts
#2
Melissa Berman, Eve Dubé, Caroline Quach
BACKGROUND: In children, the 13 and 10-valent pneumoccocal conjugate vaccines (PCV13/10) are currently approved for the prevention of invasive pneumococcal disease (IPD). Acceptability is a key consideration in the implementation of a vaccine program and it is recognized that health professional's attitudes and opinions towards vaccines are independent predictors of the success of an immunization program. We aimed to survey the beliefs and attitudes for the two available PCVs in health care professionals and immunization experts...
May 10, 2017: Vaccine
https://www.readbyqxmd.com/read/28494451/anthocyanins-prevent-colorectal-cancer-development-in-a-mouse-model
#3
Elisabeth Lippert, Petra Ruemmele, Florian Obermeier, Stefan Goelder, Claudia Kunst, Gerhard Rogler, Nadja Dunger, Helmut Messmann, Arndt Hartmann, Esther Endlicher
BACKGROUND: Colorectal cancer is the main leading cause of cancer-related deaths worldwide. Present data suggest that plant-derived anthocyanins have anti-inflammatory and chemopreventive properties. This study was aimed at evaluating the effect of an anthocyanin-rich extract from bilberries on colorectal tumour development and growth in the administration of azoxymethan (AOM)/dextran sodium sulfate (DSS) mouse model. METHODS: Colonic carcinogenesis was induced by AOM and DSS 3 or 5%, respectively, in 50 female Balb/c mice...
May 12, 2017: Digestion
https://www.readbyqxmd.com/read/28483250/monophosphoryl-lipid-a-enhances-nontypeable-haemophilus-influenzae-specific-mucosal-and-systemic-immune-responses-by-intranasal-immunization
#4
Taro Iwasaki, Takashi Hirano, Satoru Kodama, Yoshinori Kadowaki, Munehito Moriyama, Toshiaki Kawano, Masashi Suzuki
OBJECTIVE: Acute otitis media (AOM) is one of the most common infectious diseases in children. Nontypeable Haemophilus influenzae (NTHi) is Gram-negative bacteria that are considered major pathogens of AOM and respiratory tract infections. In this study, we used monophosphoryl lipid A (MPL), a toll-like receptor (TLR) 4 agonist, as an adjuvant to induce mucosal immune responses against NTHi to enhance bacterial clearance from the nasopharynx. METHODS: Mice were administered 10 μg outer membrane protein (OMP) from NTHi and 0, 10, or 20 μg MPL intranasally once a week for 3 weeks...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28483246/comparison-of-first-year-of-life-acute-otitis-media-admissions-before-and-after-the-13-valent-pneumococcal-conjugate-vaccine
#5
Tal Marom, Ofer Israel, Haim Gavriel, Jacob Pitaro, Ali Abo Baker, Ephraim Eviatar
BACKGROUND: Acute otitis media (AOM) is a common childhood infection, which is usually managed in the outpatient setting. Yet, the more severe cases are referred for inpatient treatment. We hypothesized that pneumococcal conjugate vaccines (PCVs), administered during the first year of life, would decrease AOM admissions rate in this age group. We studied the characteristics of infants admitted with AOM and acute mastoiditis (AM) in the PCV13 era, routinely given from November 2010 to all infants...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28483232/a-fatal-case-of-gradenigo-s-syndrome-in-zimbabwe-and-the-danish-zimbabwean-ent-collaboration
#6
P V F Jensen, M B Avnstorp, T Dzongodza, C Chidziva, C von Buchwald
As a part of a bilateral educational exchange program two Danish ENT residents were invited to Zimbabwe in 2015. During this exchange a 9-year-old girl was admitted due to complications to acute otitis media (AOM). She developed Gradenigo's syndrome and later on a brain abscess leading to a fatal outcome. Life threatening complications to AOM are rare in developed countries today but are still a challenge in developing countries. We put forward this case from a developing country to bring focus to the fact that a fatal outcome is the consequence if specialist treatment is not accessible...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28480409/biochemical-composition-and-nutritional-evaluation-of-barley-rihane-hordeum-vulgare-l
#7
Lamia Lahouar, Fatma Ghrairi, Amira El Arem, Sana Medimagh, Mouledi El Felah, Hichem Ben Salem, Lotfi Achour
BACKGROUND: Many experimental studies have suggested an important role for barley Rihane(BR)in the prevention of colon cancer and cardiovascular diseases. The objective of this study was to evaluate the physico-chemical properties and nutritional characterizations of BR compared to other varieties grown in Tunisia (Manel, Roho and Tej). MATERIAL AND METHODS: Total, insoluble and soluble dietary fiber(β-glucan), total protein, ash and some minerals of BR and Tunisian barley varieties were determined...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28478805/clostridium-butyricum-partially-regulates-the-development-of-colitis-associated-cancer-through-mir-200c
#8
Y Xiao, X Dai, K Li, G Gui, J Liu, H Yang
Colitis-associated cancer (CAC), one form of colorectal cancer (CRC),is an increasing concern worldwide. Both diagnosis and current therapy are challenging and bottlenecked. The aim of this study is to investigate novel mechanisms by which the therapeutic C. butyricum regulates colitis-induced oncogenesis. Mouse models of CAC were established with 2,4,6-Trinitrobenzenesulfonic acid (TNBS)and azoxymethane (AOM), following by biochemical, clinical and histological analysis. The integrity of epitheliumwas examined by electron microscopy (EM)...
April 29, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28475173/microrna-30a-attenuates-mutant-kras-driven-colorectal-tumorigenesis-via-direct-suppression-of-me1
#9
Hongxing Shen, Chuan Xing, Kaisa Cui, Yunxiao Li, Jinxiang Zhang, Runlei Du, Xiaodong Zhang, Youjun Li
Frequent KRAS mutations contribute to multiple cancers including ~40% of human colorectal cancers (CRCs). Systematic screening of 1255 microRNAs (miRNAs) identified miR-30a as a synthetic lethal in KRAS-mutant CRC cells. miR-30a was downregulated in CRCs and repressed by P65. miR-30a directly targeted malic enzyme 1 (ME1) and KRAS, and inhibited anchorage-independent growth and in vivo tumorigenesis by KRAS-mutant CRC cells. ME1 was significantly upregulated in KRAS-mutant CRCs. Eliminating ME1 by short hairpin RNA (shRNA) resulted in obviously decreased NADPH production, levels of triglyceride and fatty acid, and an inhibition of tumorigenicity of KRAS-mutant CRCs...
May 5, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28468928/sildenafil-suppresses-inflammation-driven-colorectal-cancer-in-mice
#10
Bianca N Islam, Sarah K Sharman, Yali Hou, Allison E Bridges, Nagendra Singh, Sangmi Kim, Ravindra Kolhe, Jimena Trillo-Tinoco, Paulo C Rodriguez, Franklin G Berger, Subbaramiah Sridhar, Darren D Browning
Intestinal cyclic guanosine monophosphate (cGMP) signaling regulates epithelial homeostasis and has been implicated in the suppression of colitis and colon cancer. In this study, we investigated the cGMP-elevating ability of the phosphodiesterase-5 (PDE5) inhibitor sildenafil to prevent disease in the azoxymethane/dextran sulfate sodium (AOM/DSS) inflammation-driven colorectal cancer model. Treatment of mice with sildenafil activated cGMP signaling in the colon mucosa and protected against DSS-induced barrier dysfunction...
May 3, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28461748/plasma-concentrations-and-dosing-of-2-long-acting-injectable-formulations-of-aripiprazole
#11
Phyllis M Salzman, Arash Raoufinia, Susan Legacy, Pedro Such, Anna Eramo
Maintaining therapeutic plasma concentrations of an antipsychotic agent is essential in preventing relapse of symptoms in schizophrenia. Long-acting injectable (LAI) formulations provide extended exposure to antipsychotic therapy and have been useful in addressing treatment nonadherence. Aripiprazole is an atypical antipsychotic used in the treatment of schizophrenia and is available in 2 chemically different (aripiprazole monohydrate and aripiprazole lauroxil [AL]) and pharmaceutically different LAI formulations (aripiprazole once-monthly 400 mg [AOM 400] and AL)...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28458938/septic-arthritis-of-the-temporomandibular-joint-secondary-to-acute-otitis-media-in-an-adult-a-rare-case-with-achromobacter-xylosoxidans
#12
Ryan Chin Taw Cheong, Laura Harding
Septic arthritis of the temporomandibular joint (SATMJ) is a rare complication of acute otitis media (AOM) with only four reported cases in the English and Japanese literature. Based on the unusual nature of this clinical condition, we discuss the first documented case due to Achromobacter xylosoxidans and the utility of myringotomy with long-term intravenous antibiotics via a peripherally inserted central catheter (PICC). We describe the case of a 76-year-old male patient that was brought in by ambulance to the accident and emergency (A&E) department due to severe right-sided otalgia with increased hearing impairment...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/28446901/anaerobic-methanotrophic-archaea-of-the-anme-2d-cluster-are-active-in-a-low-sulfate-iron-rich-freshwater-sediment
#13
Hannah S Weber, Kirsten S Habicht, Bo Thamdrup
ANaerobic MEthanotrophic (ANME) archaea remove the greenhouse gas methane from anoxic environments and diminish its flux to the atmosphere. High methane removal efficiencies are well documented in marine environments, whereas anaerobic oxidation of methane (AOM) was only recently indicated as an important methane sink in freshwater systems. Freshwater AOM-mediating microorganisms lack taxonomic identification and only little is known about metabolic adaptions to prevailing biogeochemical conditions. One of the first study sites providing information about AOM activity in freshwater sediment is Lake Ørn, a low-sulfate, iron-rich Danish lake...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28438923/reduced-concentration-clavulanate-for-young-children-with-acute-otitis-media
#14
Alejandro Hoberman, Jack L Paradise, Howard E Rockette, Jong-Hyeon Jeong, Diana H Kearney, Sonika Bhatnagar, Timothy R Shope, Gysella Muñiz, Judith M Martin, Marcia Kurs-Lasky, Mary Ann Haralam, Marcia A Pope, Jennifer P Nagg, Wenchen Zhao, Mohammad Kowser Miah, Jan Beumer, Raman Venkataramanan, Nader Shaikh
Amoxicillin/clavulanate (A/C), is currently the most effective oral antimicrobial in treating children with acute otitis media (AOM), but standard dosage of 90/6.4 mg/kg/day commonly causes diarrhea. We examined whether an A/C formulation containing lower concentrations of clavulanate would result in less diarrhea, while maintaining plasma levels of amoxicillin and clavulanate adequate to eradicate middle-ear pathogens and achieve clinical success. We conducted an open-label study in children aged 6 to 23 months with AOM...
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28433498/long-term-effectiveness-of-aripiprazole-once-monthly-for-schizophrenia-is-maintained-in-the-qualify-extension-study
#15
Dieter Naber, Ross A Baker, Anna Eramo, Carlos Forray, Karina Hansen, Christophe Sapin, Timothy Peters-Strickland, Anna-Greta Nylander, Peter Hertel, Simon Nitschky Schmidt, Jean-Yves Loze, Steven G Potkin
OBJECTIVE: To evaluate long-term safety and effectiveness of continued treatment with aripiprazole once-monthly 400mg (AOM 400) in patients with schizophrenia. METHODS: Patients who completed the QUALIFY study (NCT01795547) in the AOM 400 arm were eligible for 6 additional once-monthly injections of AOM 400 during an open-label, 24-week extension (NCT01959035). Safety data were collected at each visit. Effectiveness measures included change from baseline in health-related qualify of life and functioning on the Heinrichs-Carpenter Quality of Life scale (QLS) and Clinical Global Impression - Severity (CGI-S) scale...
April 19, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28430670/comparison-between-long-acting-injectable-aripiprazole-versus-paliperidone-palmitate-in-the-treatment-of-schizophrenia-systematic-review-and-indirect-treatment-comparison
#16
Chi-Un Pae, Sheng-Min Wang, Changsu Han, Won-Myong Bahk, Soo-Jung Lee, Ashwin A Patkar, Prakash S Masand, Alessandro Serretti, Robin Emsley
We investigated the relative efficacy and tolerability of aripiprazole once monthly (AOM) versus paliperidone palmitate (PP) for treating schizophrenia. Extensive databases searches on short-term, placebo-controlled, randomized studies of AOM and PP were performed. Indirect treatment comparisons were performed between the two long-acting injectable antipsychotics (LAIAs). The primary efficacy endpoint was the mean change in the Positive and Negative Syndrome Scale total score from baseline between each LAIA and placebo...
April 20, 2017: International Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28429163/antimicrobial-susceptibility-of-bacterial-isolates-from-patients-presenting-with-ear-nose-and-throat-ent-infections-in-the-german-community-healthcare-setting
#17
B Olzowy, M Kresken, M Havel, D Hafner, B Körber-Irrgang
Empiric initial antibiotic therapy of bacterial infections is based primarily upon the susceptibility of the most common causative pathogens. The purpose of this study was to provide susceptibility data on six bacterial species known to cause ear, nose and throat (ENT) infections. A total of 1066 isolates collected during a nationwide laboratory-based surveillance study were analysed. All Streptococcus pyogenes isolates were penicillin (PEN)-susceptible, indicating that natural penicillins can still be recommended as the first-line treatment for group A streptococcal tonsillopharyngitis...
April 20, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28428272/hur-small-molecule-inhibitor-elicits-differential-effects-in-adenomatosis-polyposis-and-colorectal-carcinogenesis
#18
Michaela Lang, David Berry, Katharina Passecker, Ildiko Mesteri, Sabin Bhuju, Florian Ebner, Vitaly Sedlyarov, Rayko Evstatiev, Kyle Dammann, Alexander Loy, Orest Kuzyk, Pavel Kovarik, Vineeta Khare, Martin Beibel, Guglielmo Roma, Nicole Meisner-Kober, Christoph Gasche
HuR is an RNA-binding protein implicated in immune homeostasis and various cancers, including colorectal cancer. HuR binding to AU-rich elements within the 3' untranslated region of mRNAs encoding oncogenes, growth factors, and various cytokines leads message stability and translation. In this study, we evaluated HuR as a small-molecule target for preventing colorectal cancer in high-risk groups such as those with familial adenomatosis polyposis (FAP) or inflammatory bowel disease (IBD). In human specimens, levels of cytoplasmic HuR were increased in colonic epithelial cells from patients with IBD, IBD-cancer, FAP-adenoma, and colorectal cancer, but not in patients with IBD-dysplasia...
May 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/28426992/factors-affecting-sound-energy-absorbance-in-acute-otitis-media-model-of-chinchilla
#19
Xiying Guan, Thomas W Seale, Rong Z Gan
Acute otitis media (AOM) is a rapid-onset infection of the middle ear which results in middle ear pressure (MEP), middle ear effusion (MEE), and structural changes in middle ear tissues. Previous studies from our laboratory have identified that MEP, MEE, and middle ear structural changes are three factors affecting tympanic membrane (TM) mobility and hearing levels (Guan et al., 2014, 2013). Sound energy reflectance or absorbance (EA) is a diagnostic tool increasingly used in clinical settings for the identification of middle ear diseases...
April 10, 2017: Hearing Research
https://www.readbyqxmd.com/read/28423551/metabolic-reprogramming-of-the-premalignant-colonic-mucosa-is-an-early-event-in-carcinogenesis
#20
Mart Dela Cruz, Sarah Ledbetter, Sanjib Chowdhury, Ashish K Tiwari, Navneet Momi, Ramesh K Wali, Charles Bliss, Christopher Huang, David Lichtenstein, Swati Bhattacharya, Anisha Varma-Wilson, Vadim Backman, Hemant K Roy
BACKGROUND: Colorectal cancer (CRC) is the second leading cause of cancer-related mortality in the United States. There is an increasing need for the identification of biomarkers of pre-malignant and early stage CRC to improve risk-stratification and screening recommendations. In this study, we investigated the possibility of metabolic and mitochondrial reprogramming early in the pre-malignant colorectal field. METHODS: Rectal biopsies were taken from 81 patients undergoing screening colonoscopy, and gene expression of metabolic and mitochondrial markers were assessed using real time quantitative PCR...
March 28, 2017: Oncotarget
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