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https://www.readbyqxmd.com/read/28913691/intestinal-mechanomorphological-remodeling-induced-by-long-term-low-fiber-diet-in-rabbits
#1
Yue Liu, Jingbo Zhao, Donghua Liao, Guixue Wang, Hans Gregersen
Short-term feeding with low-fiber diet remodels the mechanomorphological properties in the rabbit small intestine. The aims were to study the effect of feeding low-fiber diet for 5 months on mechanomorphological properties including the collagen fraction in the rabbit intestines. Fifteen rabbits were divided into an Intervention group (IG, n = 10) fed a low-fiber diet and a Control group (CG, n = 5) fed a normal diet for 5 months. Five months later, four 10-cm-long segments obtained from the duodenum, jejunum, ileum and large intestine were used for histological and mechanical analysis, respectively...
September 14, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28911262/alleviation-by-gamma-amino-butyric-acid-supplementation-of-chronic-heat-stress-induced-degenerative-changes-in-jejunum-in-commercial-broiler-chickens
#2
Rasha A Al Wakeel, Mustafa Shukry, Ahmed Abdel Azeez, Shawky Mahmoud, Michel Fahmy Saad
High ambient temperature adversely influences poultry production. In the present study, gamma amino butyric acid (GABA) supplementation was used to alleviate the adverse changes due to heat stress (HS) in a broiler chicken strain (Ross 308). At 21 days of age, the birds were divided into four groups of 13. Two groups were housed under normal room temperature, one group was given orally 0.2 ml 0.9% physiological saline (CN) daily, the other group received 0.2 ml of 0.5% GABA solution orally (GN). A third group was exposed to environmental HS (33 ± 1 °C lasting for 2 weeks) + physiological saline (CH) and a fourth group was exposed to HS + GABA supplementation (GH)...
September 15, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28893560/endoscopic-mucosal-resection-is-superior-to-rectal-suction-biopsy-for-analysis-of-enteric-ganglia-in-constipation-and-dysmotility
#3
Kenneth Barshop, Field F Willingham, William R Brugge, Lawrence R Zukerberg, Braden Kuo
BACKGROUND AND AIMS: Patients with chronic constipation or motility disorders may be referred for rectal suction biopsy (RSB) to rule out Hirschsprung's disease (HD). RSB may not be successful beyond infancy due to the increased thickness of rectal mucosa. Endoscopic mucosal resection (EMR) could improve the diagnostic yield for HD when compared with traditional RSB because of the larger and deeper samples acquired for analysis. METHODS: In this prospective, single-center study, patients referred for RSB were offered enrollment for concurrent EMR...
September 8, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28881897/comparative-evaluation-of-new-and-conventional-classifications-of-magnifying-endoscopy-with-narrow-band-imaging-for-invasion-depth-of-superficial-esophageal-squamous-cell-carcinoma
#4
T Fujiyoshi, M Tajika, T Tanaka, M Ishihara, N Mizuno, K Hara, S Hijioka, H Imaoka, Y Yatabe, Y Hirooka, H Goto, K Yamao, Y Niwa
A new classification of magnifying endoscopy with narrow band imaging (ME-NBI) for diagnosing and staging superficial esophageal squamous cell carcinoma (SESCC) was proposed by the Japan Esophageal Society in 2011. This study aimed to compare the new classification with the conventional classifications (Inoue's classification and Arima's classification). This was a prospective analysis of data from a single cancer center involving 151 consecutive patients with 156 SESCCs that were endoscopically or surgically resected...
November 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28853203/transcrestal-sinus-floor-augmentation-with-immediate-implant-placement-applied-in-three-types-of-fresh-extraction-sockets-a-clinical-prospective-study-with-1-year-follow-up
#5
Yaqian Chen, Shanshan Yuan, Nan Zhou, Yi Man
BACKGROUND: Immediate implant insertion and transcrestal sinus augmentation both can provide a lot of advantages for patients and clinicians. OBJECTIVE: This prospective study aims to verify the use of a modified technique for immediate implant insertion simultaneously with sinus augmentation in different types of sockets. MATERIALS AND METHODS: Thirty-seven patients were recruited for the clinical study and were divided into 3 groups according to the relationship of their maxillary molar roots and sinus floor: group 1 with none of the teeth roots contacts sinus floor; group 2 as at least 1 teeth root contacting sinus floor, but no root is observed penetrating into sinus cavity; group 3 with at least 1 teeth root penetrating into sinus cavity...
August 29, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28852321/systematic-review-of-giant-gastric-lipomas-reported-since-1980-and-report-of-two-new-cases-in-a-review-of-117110-esophagogastroduodenoscopies
#6
Mitchell S Cappell, Charlton E Stevens, Mitual Amin
AIM: To systematically review the syndrome of giant gastric lipomas, report 2 new illustrative cases. METHODS: Literature systematically reviewed using PubMed for publications since 1980 with following medical subject heading/keywords: ("giant lipoma") AND ("gastric") OR [("lipoma") and ("gastric") and ("bleeding")]. Two authors independently reviewed literature, and decided by consensus which articles to incorporate. Computerized review of pathology/endoscopy records at William Beaumont Hospitals, Royal Oak and Troy, Michigan, January 2005-December 2015, revealed 2 giant gastric lipomas among 117110 consecutive esophagogastroduodenoscopies (EGDs), which were thoroughly reviewed, including re-review of original endoscopic photographs, radiologic images, and pathologic slides...
August 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28840018/the-role-of-bone-marrow-derived-endothelial-progenitor-cells-and-angiogenic-responses-in-chronic-obstructive-pulmonary-disease
#7
REVIEW
Brittany Salter, Roma Sehmi
Increased vascularity of the bronchial sub-mucosa is a cardinal feature of chronic obstructive pulmonary disease (COPD) and is associated with disease severity. Capillary engorgement, leakage, and vasodilatation can directly increase airway wall thickness resulting in airway luminal narrowing and facilitate inflammatory cell trafficking, thereby contributing to irreversible airflow obstruction, a characteristic of COPD. Airway wall neovascularisation, seen as increases in both the size and number of bronchial blood vessels is a prominent feature of COPD that correlates with reticular basement membrane thickening and airway obstruction...
July 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28835068/-effects-of-%C3%AF-3-polyunsaturated-fatty-acids-on-damage-of-intestinal-mucosa-of-rats-with-severe-burn-in-early-stage-and-the-mechanism
#8
C Cai, Z G Xia, Q L Xu, X Z Li
Objective: To observe the effects of ω-3 polyunsaturated fatty acids (PUFA) on damage of intestinal mucosa of rats with severe burn in early stage and to explore the mechanism. Methods: One hundred and twenty SD rats were divided into sham injury group, pure burn group, and ω-3 PUFA group according to the random number table, with 40 rats in each group. Rats in sham injury group were sham injured, while rats in pure burn group and ω-3 PUFA group were inflicted with 30% total body surface area full-thickness scald (hereinafter referred to as burn) on the back...
August 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28823073/effect-of-low-level-laser-therapy-%C3%AE-780%C3%A2-nm-on-the-mechanically-damaged-dentin-pulp-complex-in-a-model-of-extrusive-luxation-in-rat-incisors
#9
Dandara Andrade de Santana, Gabriela Ferraz Fonseca, Luciana Maria Pedreira Ramalho, Tânia Tavares Rodriguez, Marcio Cajazeira Aguiar
In order to regenerate the dental pulp, many strategies have been developed as phototherapy. In the pulp repair, we do not know if gallium-aluminum-arsenide (GaAlAs) laser preserves the primary odontoblasts or stimulates the formation of more dentin matrix when dental pulp is damaged. The aim of the present study was to examine the effect of laser phototherapy (λ780 nm) on vascularization, inflammation, density of the primary odontoblast layer, and formation of reactionary and reparative dentin in the dental pulp by provoking extrusion of the rat incisor...
August 19, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28823003/anatomical-study-of-the-palatine-aponeurosis-application-to-posterior-palatal-seal-of-the-complete-maxillary-denture
#10
Joe Iwanaga, Junta Kido, Marcin Lipski, Iwona M Tomaszewska, Krzysztof A Tomaszewski, Jerzy A Walocha, Rod J Oskouian, R Shane Tubbs
The palatine aponeurosis is a thin, fibrous lamella comprising the extended tendons of the tensor veli palatini muscles, attached to the posterior border and inferior surface of the palatine bone. In dentistry, the relationship between the "vibrating line" and the border of the hard and soft palate has long been discussed. However, to our knowledge, there has been no discussion of the relationship between the palatine aponeurosis and the vibrating line(s). Twenty sides from ten fresh frozen White cadaveric heads (seven males and three females) whose mean age at death was 79 years) were used in this study...
August 19, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28819915/suppression-of-methionine-induced-colon-injury-of-young-rats-by-cysteine-and-n-acetyl-l-cysteine
#11
Marija Stojanović, Ljiljana Šćepanović, Dušan Todorović, Dušan Mitrović, Vuk Šćepanović, Radomir Šćepanović, Slobodan Ilić, Teja Šćepanović, Milica Labudović Borović, Živana Milićević, Vesna Dragutinović, Sunčica Borozan, Ivana Lalić, Sanja Despotović, Dragan Djuric
Changes in the methionine metabolism can cause a state called hyperhomocysteinemia, inducing oxidative stress in the gut. The production of free radicals is important in the colon damage caused by methionine. This study aimed at evaluating the effect of the use of L-cysteine and N-acetyl-L-cysteine on the colon morphometry of young rats treated with methionine. A total number of 32 male rats were distributed in a randomized experimental design in 4 groups: control group treated with saline; methionine group; cysteine + methionine group, and N-acetyl-L-cysteine + methionine group...
August 17, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28817140/relationship-between-clinical-and-histologic-periodontal-biotypes-in-humans
#12
Sergio Henrique Gonçalves Motta, Marcos Paulo Ferreira Camacho, Danielle Carvalho Quintela, Ronaldo B Santana
Histologic and histomorphometric evaluations of gingival biopsy samples of patients presenting either a thick or a thin gingival biotype were performed. Full-thickness gingival biopsy samples were obtained and processed for histologic and histometric evaluations. Thickness of the keratinized mucosa or gingiva was found to be increased in the thick biotype. Specifically, the connective tissue layer was thicker with no change in epithelial thickness. In conclusion, gingival transparency appears to be an adequate, clinically useful method to classify the gingival biotype...
September 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28811117/bilayered-buccal-films-as-child-appropriate-dosage-form-for-systemic-administration-of-propranolol
#13
Angela Abruzzo, Fiore Pasquale Nicoletta, Francesco Dalena, Teresa Cerchiara, Barbara Luppi, Federica Bigucci
Buccal mucosa has emerged as an attractive site for systemic administration of drug in paediatric patients. This route is simple and non-invasive, even if the saliva wash-out effect and the relative permeability of the mucosa can reduce drug absorption. Mucoadhesive polymers represent a common employed strategy to increase the contact time of the formulation at the application site and to improve drug absorption. Among the different mucoadhesive dosage forms, buccal films are particularly addressed for paediatric population since they are thin, adaptable to the mucosal surface and able to offer an exact and flexible dose...
August 12, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28766470/effects-of-isovalerate-supplements-on-morphology-and-functional-gene-expression-of-rumen-mucosa-in-pre-and-post-weaning-dairy-calves
#14
Q Liu, C Wang, G Guo, W J Huo, Y L Zhang, C X Pei, S L Zhang, H Wang
Isovalerate supplements could stimulate rumen development by improving morphology and function of rumen mucosa, and then promote the growth of calves. This study was done to evaluate the effects of isovalerate supplements on morphology and functional gene expression of rumen mucosa in dairy calves. In total, 48 Chinese Holstein male calves with 15 days of age and 45.1±0.36 kg of BW were randomly assigned to four groups. The treatments were: control, low-isovalerate, moderate-isovalerate and high-isovalerate with 0, 3, 6 and 9 g isovalerate per calf per day, respectively...
August 2, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28764208/assessing-the-viability-of-hadad-flap-by-postoperative-contrast-enhanced-magnetic-resonance-imaging
#15
Hegde Jyotirmay, Sunil Kumar Saxena, A S Ramesh, K Nagarajan, Shreshta Bhat
INTRODUCTION: The Expanded Endonasal Approaches (EEAs) have been widely used for various skull base lesions. The reconstruction of the skull base defects is of vital importance to prevent postoperative complications. The vascular pedicled-nasoseptal flap (Hadad-Bassagasteguy flap) is used as a workhorse in reconstruction of majority of the defects. AIM: The purpose of this study was: (a) To assess the postoperative MRI appearance of vascularised pedicled nasoseptal flap for its viability; (b) To determine the variations in MRI that may suggest potential flap failure...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28757676/structure-and-function-of-enterocyte-in-intrauterine-growth-retarded-pig-neonates
#16
Karolina Ferenc, Tomasz Pilżys, Tomasz Skrzypek, Damian Garbicz, Michał Marcinkowski, Małgorzata Dylewska, Paweł Gładysz, Oleksandr Skorobogatov, Zdzisław Gajewski, Elżbieta Grzesiuk, Romuald Zabielski
The intestine of intrauterine growth retarded (IUGR) neonates showed different morphology compared to neonates born with normal body weight (NBW). The aim of the present study was to investigate the ultrastructure and proteomic profile of the gut epithelium in IUGR pig neonates with special attention to the digestive and absorptive function. Intestine tissue samples were investigated in 7-day-old IUGR and NBW littermate piglets using histometry, immunofluorescence, scanning electron microscopy (SEM), and mass spectrometry analysis...
2017: Disease Markers
https://www.readbyqxmd.com/read/28738976/proposal-of-a-diagnostic-algorithm-for-intraductal-ultrasonography-to-distinguish-between-benign-and-malignant-biliary-strictures
#17
Yao-Sheng Wang, Chiao-Hsiung Chuang, Jhong-Han Wu, Chiung-Yu Chen
To reexamine the recognizability of intraductal ultrasonography (IDUS) findings from an imaging database and propose a novel algorithm for clinical application. IDUS images of 102 patients who had undergone IDUS examinations for indeterminate causes of common bile duct dilation were independently reviewed by two endoscopists. The strength of the inter-rater agreement between the endoscopists was analyzed using Cohen's kappa (κ). An algorithm was implemented by arranging the IDUS characteristics according to their recognizability...
July 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28738080/effects-of-exogenous-glucagon-like-peptide-2-and-distal-bowel-resection-on-intestinal-and-systemic-adaptive-responses-in-rats
#18
Sarah W Lai, Elaine de Heuvel, Laurie E Wallace, Bolette Hartmann, Jens J Holst, Mary E Brindle, Prasanth K Chelikani, David L Sigalet
OBJECTIVE: To determine the effects of exogenous glucagon-like peptide-2 (GLP-2), with or without massive distal bowel resection, on adaptation of jejunal mucosa, enteric neurons, gut hormones and tissue reserves in rats. BACKGROUND: GLP-2 is a gut hormone known to be trophic for small bowel mucosa, and to mimic intestinal adaptation in short bowel syndrome (SBS). However, the effects of exogenous GLP-2 and SBS on enteric neurons are unclear. METHODS: Sprague Dawley rats were randomized to four treatments: Transected Bowel (TB) (n = 8), TB + GLP-2 (2...
2017: PloS One
https://www.readbyqxmd.com/read/28722090/-evaluation-of-a-new-closure-technique-of-large-defects-after-endoscopic-full-thickness-resection
#19
Xiao Liu, Lizhou Dou, Yong Liu, Shun He, Yueming Zhang, Xinying Yu, Yan Ke, Xudong Liu, Ruigang Wang, Guiqi Wang
OBJECTIVE: To investigate the security and efficacy of a new endoscopic closure method of large defects after endoscopic full-thickness resection (EFTR) double purse-string suture using two endoloops and metallic clips via single-channel endoscopy. METHODS: Clinical data of 23 cases with submucosal tumors (SMT) who received endoscopic resection from June 2015 to July 2016 in our National Cancer Center were collected. For gastric and esophageal SMTs or the mucosa layer injured during submucosal tunneling endoscopic resection (STER), double purse-string suture was conducted after EFTR...
July 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28717286/histological-changes-in-nasolabial-cutaneous-flaps-employed-in-intraoral-reconstruction
#20
Lazaridou Maria, Dimitrakopoulos Ioannis, Vaxtsevanos Konstantinos, Iordanidis Fotis, Antoniades Konstantinos
INTRODUCTION: Nasolabial cutaneous flaps have been routinely used to reconstruct intraoral defects. The purpose of this study was to study histological changes that may occur in the skin flap as a result of its exposure to a new environment. PATIENTS AND METHODS: Thirteen patients took part in this study. Fusiform tissue specimens were obtained from the intraoral cutaneous portion of the flap. Biopsy specimens were also taken from the skin of nasolabial region and from the buccal mucosa to serve as control...
September 2017: Journal of Maxillofacial and Oral Surgery
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