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https://www.readbyqxmd.com/read/28340422/the-clinicopathologic-relevance-of-reck-gene-polymorphisms-in-ameloblastoma
#1
Xudong Zhang, Jie Wang, Huijuan Liu, Yanning Zhang, Fusheng Dong
OBJECTIVE: To investigate the relationship between RECK gene polymorphisms and the clinicopathologic features of ameloblastoma. DESIGN: Normal gingival mucosa specimens were obtained from 10 healthy volunteers. Ameloblastomas were surgically removed from 30 patients and part of the tumor specimens were used to detect RECK gene polymorphisms by using PCR-single-strand conformation polymorphism (PCR-SSCP) and DNA sequencing analysis. Expression of RECK and MMP-9 protein was measured using western blot...
March 16, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28340269/prevention-of-dna-damage-and-anticarcinogenic-activity-of-activia-%C3%A2-in-a-preclinical-model
#2
S M A Limeiras, F M Ogo, L A L Genez, C M Carreira, E J T Oliveira, L R Pessatto, S C Neves, J R Pesarini, L C Schweich, R A Silva, W B Cantero, A C M B Antoniolli-Silva, R J Oliveira
Colorectal cancer is a global public health issue. Studies have pointed to the protective effect of probiotics on colorectal carcinogenesis. Activia(®) is a lacto probiotic product that is widely consumed all over the world and its beneficial properties are related, mainly, to the lineage of traditional yoghurt bacteria combined with a specific bacillus, DanRegularis, which gives the product a proven capacity to intestinal regulation in humans. The aim of this study was to evaluate the antigenotoxic, antimutagenic, and anticarcinogenic proprieties of the Activia product, in response to damage caused by 1,2-dimethylhydrazine (DMH) in Swiss mice...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28339939/developmental-morphology-study-on-the-stomach-of-african-ostrich-chicks
#3
J X Wang, P Li, X T Zhang, L X Ye
This study investigates the developmental morphology changes on the proventriculus and gizzard of African ostrich chicks using gross anatomy, and light and transmission electronic microscopy. The body weight; the weight of the proventriculus and gizzard; the thickness of simple tubular glands, muscularis mucosae, compound tubular glands, and muscular layer of the proventriculus; and the thickness of the gizzard glands and muscularis mucosae were measured on postnatal d one, 45, 90, and 334. Under transmission electronic microscopy, the oxynticopeptic cells, mucous cells, and endocrine cells were observed in the proventriculus on postnatal d one, 45, and 90...
March 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339502/histological-and-anatomical-structure-of-the-nasal-cavity-of-bama-minipigs
#4
Jingjing Yang, Lei Dai, Qinghua Yu, Qian Yang
OBJECTIVE: The nasal mucosa is equipped with abundant lymphatic tissues, serving as the first line of defense against invasion by microorganisms. In this study, we characterized the features of the nasal mucosa of Bama minipigs (Sus scrofa domestica) via histological analysis. METHODS: Five cross sections (I, II, III, IV, and V) were obtained from the distal end of the nasal cavity toward the pharynx (along the cavity axis) and examined. Specifically, CD3+ T cells, immunoglobulin A (IgA)+ cells, and M cells were detected by immunohistochemistry, while dendritic cells (DCs) were detected by immunofluorescence...
2017: PloS One
https://www.readbyqxmd.com/read/28335546/dietary-protein-and-amino-acid-supplementation-in-inflammatory-bowel-disease-course-what-impact-on-the-colonic-mucosa
#5
REVIEW
Sandra Vidal-Lletjós, Martin Beaumont, Daniel Tomé, Robert Benamouzig, François Blachier, Annaïg Lan
Inflammatory bowel diseases (IBD), after disease onset, typically progress in two cyclically repeated phases, namely inflammatory flare and remission, with possible nutritional status impairment. Some evidence, either from epidemiological, clinical, and experimental studies indicate that the quantity and the quality of dietary protein consumption and amino acid supplementation may differently influence the IBD course according to the disease phases. For instance, although the dietary protein needs for mucosal healing after an inflammatory episode remain undetermined, there is evidence that amino acids derived from dietary proteins display beneficial effects on this process, serving as building blocks for macromolecule synthesis in the wounded mucosal area, energy substrates, and/or precursors of bioactive metabolites...
March 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28335378/bioavailability-of-microencapsulated-iron-from-fortified-bread-assessed-using-piglet-model
#6
Malgorzata A Bryszewska, Luca Laghi, Augusta Zannoni, Andrea Gianotti, Francesca Barone, Danielle L Taneyo Saa, Maria L Bacci, Domenico Ventrella, Monica Forni
The aim of this study was to investigate the influence of oral iron supplementation, in the form of fortified breads, on the growth performance, health, iron status parameters, and fecal metabolome of anemic piglets. A study was conducted on 24 hybrid (Large White × Landrace × Duroc) piglets. From day 44, the post-natal 12 piglets were supplemented with 100 g of one of two experimental breads, each fortified with 21 mg of ferrous sulphate, either encapsulated or not. After one week of oral supplementation, hematological parameters (hematocrit value, hemoglobin, and red blood cells) showed statistically significant differences (p ≤ 0...
March 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28335320/cellular-interactions-and-formation-of-an-epithelial-nanocoating-like-barrier-with-mesoporous-silica-nanoparticles
#7
Xuan Li, Ka Yan Pang, Tsz Wing Ng, Ping Chung Leung, Cheng Fei Zhang, Ken Cham-Fai Leung, Lijian Jin
Oral mucosa as the front-line barrier in the mouth is constantly exposed to a complex microenvironment with multitudinous microbes. In this study, the interactions of mesoporous silica nanoparticles (MSNs) with primary human gingival epithelial cells were analyzed for up to 72 h, and their diffusion capacity in the reconstructed human gingival epithelia (RHGE) and porcine ear skin models was further assessed at 24 h. It was found that the synthesized fluorescent mesoporous silica nanoparticles (RITC-NPs) with low cytotoxicity could be uptaken, degraded, and/or excreted by the human gingival epithelial cells...
October 27, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28333765/adherence-to-celiac-disease-and-eosinophilic-esophagitis-biopsy-guidelines-is-poor-in-children
#8
Thomas Wallach, Robert M Genta, Benjamin Lebwohl, Peter H R Green, Norelle R Reilly
OBJECTIVES: Celiac disease (CD) and eosinophilic esophagitis (EoE) are underdiagnosed gastrointestinal conditions which adversely impact children's health. Prior studies have shown that diagnostic guidelines for CD are not consistently followed in adults. The aims of this study are to assess the frequency with which endoscopists comply with diagnostic guidelines for CD and EoE in children, and to determine whether an association exists between adherence to biopsy guidelines and disease detection in pediatric patients...
March 22, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28333360/gammadelta-t-cells-in-crohn-s-disease-a-new-player-in-the-disease-pathogenesis
#9
Catalan-Serra Ignacio, Arne Kristian Sandvik, Torunn Bruland, Juan Carlos Andreu-Ballester
Crohn's disease (CD) is a chronic relapsing systemic disease affecting the gastrointestinal tract. An altered immune response to commensal intestinal bacteria takes place in genetically predisposed individuals, resulting in chronic inflammation in the gut. Several alterations in the innate immunity mechanisms have been described in recent years. Thus, the study of the immunological aspects of CD, specifically the role of lymphocytes, is a key element for understanding the pathogenesis of the disease. Gammadelta T cells (γδ T cells) constitute only a small proportion of the lymphocytes that circulate in the blood and peripheral organs and they are present mainly in the epithelia, where they can constitute up to 40% of intraepithelial lymphocytes (IEL) in the intestinal mucosa...
March 16, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28333038/detecting-colorectal-cancer-using-electrical-impedance-spectroscopy-an-ex-vivo-feasibility-study
#10
Angela Pathiraja, Paul Ziprin, Arsam Shiraz, Reza Mirnezami, Andrew Tizzard, Brian Brown, Andreas Demosthenous, Richard H Bayford
OBJECTIVE: Colorectal cancer is the fourth most common cancer worldwide, with a lifetime risk of around 20%. Current solutions do not allow clinicians to objectively assess tissue abnormality during endoscopy and perioperatively. A solution capable of objectively assessing samples in real time could greatly improve the treatment process. A solution that can be integrated in minimally invasive diagnostics and management strategies to provide real-time point-of-care information would be greatly transformative...
March 23, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28332735/non-hodgkin-lymphoma-in-south-east-asia-an-analysis-of-the-histopathology-clinical-features-and-survival-from-thailand
#11
Tanin Intragumtornchai, Udomsak Bunworasate, Kitsada Wudhikarn, Arnuparp Lekhakula, Jakrawadi Julamanee, Kanchana Chansung, Chittima Sirijerachai, Lalita Norasetthada, Weerasak Nawarawong, Archrob Khuhapinant, Noppadol Siritanaratanakul, Tontanai Numbenjapon, Kannadit Prayongratana, Suporn Chuncharunee, Pimjai Niparuck, Tawatchai Suwanban, Nongluk Kanitsap, Somchai Wongkhantee, Rutchanid Pornvipavee, Peerapon Wong, Nisa Makruasi, Pongsak Wannakrairot, Thamathorn Assanasen, Sanya Sukpanichnant, Paisarn Boonsakan, Wasana Kanoksil, Charin Ya-In, Kanita Kayasut, Winyu Mitranun, Naree Warnnissorn
Systemic reports on the descriptive epidemiology of non-Hodgkin lymphoma (NHL) from Southeast Asia are scarce. A nationwide multi-institutional registry was conducted to compare the histopathology, clinical features, and survival of Thai adult patients with NHL using large registries, especially those from Far East Asia (FEA). Using a web-based registry system, 13 major medical centers from the 4 geographic regions of Thailand prospectively collected, from 2007 to 2014, the diagnostic pathology, according to the World Health Organization classification, 2008, clinical features and survival of 4056 patients who were newly diagnosed with NHL...
March 23, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28331963/study-of-loma-acerinae-microsporidia-detected-from-three-ponto-caspian-gobies-gobiidae-in-ukraine
#12
Mykola Ovcharenko, Piotr Wróblewski, Yuriy Kvach, Oleksandra Drobiniak
A previously recognized Glugea-belonging Microsporidia (G. melanostomi, G. markievichi, G. naidenovi) were found in the intestinal mucosa of Neogobius melanostomus, N. fluviatilis, and Proterorhinchus semilunaris (Teleostei, Gobiidae) from lower Dnieper River and Black Sea coastal inlets, Ukraine. Light microscope observations demonstrated small spherical xenomes about 0.35 mm in diameter filled by developmental stages of parasites. Mature spores were ellipsoidal, slightly narrowed at anterior pole, sometimes ovoid or elongate in shape approximately 3...
March 23, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28331524/the-effect-of-tong-xie-yao-fang-on-intestinal-mucosal-mast-cells-in-postinfectious-irritable-bowel-syndrome-rats
#13
Xiangxue Ma, Xiaoge Wang, Nan Kang, Ting Chen, Haijie Ji, Lin Lv, Xiaolan Yin, Yaxin Tian, Rui Zheng, Yuanzhi Duan, Fengyun Wang, Xudong Tang
Objective. To investigate the effects of Tong-Xie-Yao-Fang (TXYF) on intestinal mucosal mast cells in rats with postinfectious irritable bowel syndrome (PI-IBS). Design. PI-IBS rat models were established using a multistimulation paradigm. Then, rats were treated with TXYF intragastrically at doses of 2.5, 5.0, and 10.0 g·kg(-1)·d(-1) for 14 days, respectively. Intestinal sensitivity was assessed based on abdominal withdrawal reflex (AWR) scores and fecal water content (FWC). Mast cell counts and the immunofluorescence of tryptase and c-Fos in intestinal mucosa were measured; and serum IL-1β, TNF-α, and histamine levels were determined...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28331424/gastric-schwannoma-with-enlargement-of-the-regional-lymph-nodes-resected-using-laparoscopic-distal-gastrectomy-report-of-a-patient
#14
Shota Shimizu, Hiroaki Saito, Yusuke Kono, Yuki Murakami, Hirohiko Kuroda, Tomoyuki Matsunaga, Yoji Fukumoto, Tomohiro Osaki, Yoshiyuki Fujiwara
Preoperative differential diagnosis of gastric submucosal tumors has generally been difficult because they are covered with normal mucosa. However, recent advances in endoscopic ultrasound (EUS)-guided sampling of submucosal gastrointestinal lesions have made it possible to achieve preoperative differential diagnosis of gastric submucosal tumors. A 76-year-old woman was referred to our hospital with a gastric submucosal tumor. The tumor was observed in the antrum of the stomach. It was preoperatively diagnosed as a schwannoma after immunohistochemical evaluation of a biopsy specimen, obtained using endoscopic ultrasound-guided fine needle aspiration...
March 2017: Yonago Acta Medica
https://www.readbyqxmd.com/read/28330724/treatment-effects-and-mechanisms-of-yujin-powder-on-rat-model-of-large-intestine-dampness-heat-syndrome
#15
Wanling Yao, Chaoxue Yang, Yanqiao Wen, Wangdong Zhang, Xiaosong Zhang, Qi Ma, Peng Ji, Yongli Hua, Yanming Wei
ETHNOPHARMACOLOGICAL RELEVANCE: Yujin Powder (YJP), an old prescription, is one of the most classical prescription for treating the large intestine dampness-heat syndrome (LIDHS). However, its potential modern pharmacological mechanisms remain unclear. AIM OF THE STUDY: The present study was designed to explore the essence of LIDHS and treatment mechanisms of the YJP on the LIDHS. METHODS: The rat model of LIDHS was established by such complex factors as high-sugar and high-fat diet, improper diet, high temperature and humidity environment (HTHE), drinking and intraperitoneal injection of Escherichia coli...
March 19, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28329920/a-case-of-endoscopically-treated-laryngopharyngitis-resulting-from-clinostomum-complanatum-infection
#16
Geum Soo Lee, Sang Wook Park, Jin Kim, Kang Seok Seo, Kyoung Wan You, Jae Hun Chung, Hyeong Chul Moon, Gun Young Hong
A 46-year-old woman visited our hospital presenting throat pain and globus sensation. The symptoms occurred seven days after eating raw perch and mullet. An endoscopy under sedation showed a fluke-with an approximate length of 4.8 mm and width of 1.5 mm-on the left aryepiglottic fold, with active motility on the mucosa. It was extracted from the larynx using biopsy forceps and was identified as Clinostomum complanatum. To the best of our knowledge, this is the second reported case of human infection with Clinostomum complanatum diagnosed and treated by an endoscopy in Korea...
March 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28329749/urethral-reconstruction-using-everted-saphenous-vein-graft-in-a-rabbit-model-one-year-outcomes
#17
Yujie Xu, Zhou Shen, Gang Liu, Bing Liu, Xiaoliang Hua, Yechen Xiang, Chuanjiang Dong, Bing Li
OBJECTIVE: To investigate the efficacy of using everted saphenous vein graft for urethral reconstruction. MATERIALS AND METHODS: Thirty-five adult male rabbits were divided into 7 groups randomly: experimental group A, B, C, D, E, stricture control group and normal control group (n = 5). In experimental groups and the stricture control group, a urethral mucosa defect (1.5 × 0.8 cm) was created in each rabbit. In experimental groups, a 2-cm long saphenous vein graft was harvested and incised longitudinally and urethral reconstruction was carried out using the everted saphenous vein patch...
March 23, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28329707/dendritic-cells-display-subset-and-tissue-specific-maturation-dynamics-over-human-life
#18
Tomer Granot, Takashi Senda, Dustin J Carpenter, Nobuhide Matsuoka, Joshua Weiner, Claire L Gordon, Michelle Miron, Brahma V Kumar, Adam Griesemer, Siu-Hong Ho, Harvey Lerner, Joseph J C Thome, Thomas Connors, Boris Reizis, Donna L Farber
Maturation and migration to lymph nodes (LNs) constitutes a central paradigm in conventional dendritic cell (cDC) biology but remains poorly defined in humans. Using our organ donor tissue resource, we analyzed cDC subset distribution, maturation, and migration in mucosal tissues (lungs, intestines), associated lymph nodes (LNs), and other lymphoid sites from 78 individuals ranging from less than 1 year to 93 years of age. The distribution of cDC1 (CD141(hi)CD13(hi)) and cDC2 (Sirp-α(+)CD1c(+)) subsets was a function of tissue site and was conserved between donors...
March 21, 2017: Immunity
https://www.readbyqxmd.com/read/28329585/report-of-rare-case-of-dermatofibrosarcoma-protuberans-in-the-buccal-mucosa-review-of-diagnostic-histopathological-and-immunohistochemical-criteria
#19
Amanda Katarinny Goes Gonzaga, Angélica Lopes Cordeiro Mandú, Alexandre Oliveira Sales, Ana Miryam Costa Medeiros, Rodrigo Rodrigues Rodrigues, Patrícia Teixeira Oliveira, Adriano Rocha Germano, Éricka Janine Dantas Silveira
Dermatofibrosarcoma protuberans (DFSP) is an uncommon intermediate-grade soft tissue sarcoma. The tumor is found preferentially on the trunk, whereas the head and neck region are affected in only 10% to 15% of cases. We report the case of a 44-year-old woman with a 5-month history of an asymptomatic, firm, yellow nodule in the mucosa of the right cheek measuring 2.5 cm. The clinical diagnosis was lipoma and an excisional biopsy was obtained. Histopathological analysis revealed a proliferation of spindle-shaped mesenchymal cells arranged in interlacing fascicles amidst fibrous stroma...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328848/clinical-effects-of-p53-overexpression-in-squamous-cell-carcinoma-of-the-sinonasal-tract-a-systematic-meta-analysis-with-prisma-guidelines
#20
Xiaowei Wang, Wei Lv, Fang Qi, Zhiqiang Gao, Hua Yang, Weiqing Wang, Yali Gao
BACKGROUND: The level of p53 protein expression in sinonasal squamous cell carcinoma (SNSCC) has been estimated, but the results remain inconsistent and the point of consensus has not been reached. This study was first determined to evaluate the clinical effects of p53 expression in SCC of the sinonasal tract. METHODS: According to the preferred reporting items for systematic reviews and meta-analyses (PRISMA) statement criteria, the potential literature was searched from diverse databases...
March 2017: Medicine (Baltimore)
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