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https://www.readbyqxmd.com/read/28329876/underwater-endoscopic-mucosal-resection-for-complete-r0-removal-of-a-residual-adenoma-at-a-perforated-scar-in-a-patient-with-colostomy
#1
Kazuya Hosotani, Kenichiro Imai, Kinichi Hotta, Sayo Ito, Hiroyuki Ono
No abstract text is available yet for this article.
February 2017: Endoscopy
https://www.readbyqxmd.com/read/28329707/dendritic-cells-display-subset-and-tissue-specific-maturation-dynamics-over-human-life
#2
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/28329642/effect-of-antibiotic-exposure-on-stevens-johnson-syndrome-sjs-and-toxic-epidermal-necrolysis-ten
#3
Katherine J Sullivan, Robert J Valuck, Meghan N Jeffres, Heather D Anderson
BackgroundAntibiotics are commonly implicated in Stevens-Johnson syndrome (SJS), overlap syndrome (SJS-TEN), and Toxic Epidermal Necrolysis (TEN), rare disorders of skin and mucosal membranes, often the result of adverse drug reactions. The objective of this study is to examine associations between SJS, SJS-TEN, and TEN and antibiotic exposure overlapping diagnosis, and 3, 6, and 12 months before diagnosis.MethodsA case-control study was conducted using PharMetrics LifeLink® Health Plan Claims Database (2001-2013)...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329607/multiple-mucocutaneous-ulcers-associated-with-cocaine-induced-midline-destructive-lesions
#4
Brittany Blaise, Lucinda Buescher, Morgan L Wilson
Cocaine-induced midline destructive lesions (CIMDL) occur in a small subset of cocaine users, who clinically present with inflammation and necrosis of facial midline structures such as the palate, nasal septum, turbinates, and sinuses. We present a patient with CIMDL occurring concomitantly with ulcers on the cheek and upper trunk. Multiple biopsy specimens from the cutaneous and mucosal lesions consistently showed a dense dermal/submucosal infiltrate of neutrophils and plasma cells, without vasculitis or thrombosis...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329489/acquired-blue-nevus-of-the-nail-bed
#5
Daniel M Klufas, Syril Keena T Que, Adrienne Berke, Brett Sloan Maryland
Blue nevi are benign proliferations of melaninproducingdendritic melanocytes located in thedermis. These nevi tend to occur mostly on the skin,predominantly on the head and neck, dorsal aspectsof the distal extremities, and the sacral area, butcan also occasionally appear on mucosal surfaces.Blue nevi of the nail apparatus are uncommon. Themajority originate in the nail matrix where there is ahigher density of melanocytes. Herein we report ona 47-year-old man with a rare common blue nevus ofthe nail bed, an area with low melanocyte density...
February 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328549/epigallocatechin-gallate-inhibits-macaque-sevi-mediated-enhancement-of-siv-or-shiv-infection
#6
Run-Hong Zhou, Le Guo, Jin-Biao Liu, Hang Liu, Wei Hou, Tong-Cui Ma, Xu Wang, Jian-Guo Wu, Li Ye, Wen-Zhe Ho, Jie-Liang Li
BACKGROUND: Human semen contains a factor that can enhance HIV infection up to 10^5-fold in cultures. This factor is termed SEVI (Semen-derived Enhancer of Virus Infection), which is composed of proteolytic fragments (PAP248-286) from prostatic acid phosphatase (PAP) in semen. Here, we examined whether macaque SEVI can facilitate simian immunodeficiency virus (SIV) or chimeric simian/human immunodeficiency virus (SHIV) infection. We also studied the effect of EGCG on macaque SEVI-mediated SIV or SHIV enhancement...
March 22, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28327826/efficacy-of-tacrolimus-for-induction-of-remission-in-patients-with-moderate-to-severe-ulcerative-colitis-a-systematic-review-and-meta-analysis
#7
Juan Lasa, Pablo Olivera
BACKGROUND: There is evidence that shows that calcineurin inhibitors may be useful for the treatment of severe ulcerative colitis. However, evidence regarding the efficacy of tacrolimus for remission induction in this setting is scarce. OBJECTIVE: To develop a systematic review on the existing evidence regarding the clinical efficacy of tacrolimus for the induction of remission in patients with moderate-to-severe ulcerative colitis. METHODS: A literature search was undertaken from 1966 to August 2016 using MEDLINE, Embase, LILACS and the Cochrane Library...
March 16, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28327619/il-36%C3%AE-signaling-controls-the-induced-regulatory-t-cell-th9-cell-balance-via-nf%C3%AE%C2%BAb-activation-and-stat-transcription-factors
#8
A Harusato, H Abo, V L Ngo, S W Yi, K Mitsutake, S Osuka, J E Kohlmeier, J D Li, A T Gewirtz, A Nusrat, T L Denning
Regulatory and effector T helper (Th) cells are abundant at mucosal surfaces, especially in the intestine, where they control the critical balance between tolerance and inflammation. However, the key factors that reciprocally dictate differentiation along these specific lineages remain incompletely understood. Here we report that the interleukin-1 (IL-1) family member IL-36γ signals through IL-36 receptor, myeloid differentiation primary response gene 88, and nuclear factor-κBp50 in CD4(+) T cells to potently inhibit Foxp3-expressing induced regulatory T cell (Treg) development, while concomitantly promoting the differentiation of Th9 cells via a IL-2-STAT5- (signal transducer and activator of transcription factor 5) and IL-4-STAT6-dependent pathway...
March 22, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28327618/the-transcriptional-repressor-hic1-regulates-intestinal-immune-homeostasis
#9
K Burrows, F Antignano, M Bramhall, A Chenery, S Scheer, V Korinek, T M Underhill, C Zaph
The intestine is a unique immune environment that must respond to infectious organisms but remain tolerant to commensal microbes and food antigens. However, the molecular mechanisms that regulate immune cell function in the intestine remain unclear. Here we identify the POK/ZBTB family transcription factor hypermethylated in cancer 1 (HIC1, ZBTB29) as a central component of immunity and inflammation in the intestine. HIC1 is specifically expressed in immune cells in the intestinal lamina propria (LP) in the steady state and mice with a T-cell-specific deletion of HIC1 have reduced numbers of T cells in the LP...
March 22, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28327617/the-cell-surface-mucin-muc1-limits-the-severity-of-influenza-a-virus-infection
#10
J L McAuley, L Corcilius, H-X Tan, R J Payne, M A McGuckin, L E Brown
Cell surface mucin (cs-mucin) glycoproteins are constitutively expressed at the surface of respiratory epithelia where pathogens such as influenza A virus (IAV) gain entry into cells. Different members of the cs-mucin family each express a large and heavily glycosylated extracellular domain that towers above other receptors on the epithelial cell surface, a transmembrane domain that enables shedding of the extracellular domain, and a cytoplasmic tail capable of triggering signaling cascades. We hypothesized that IAV can interact with the terminal sialic acids presented on the extracellular domain of cs-mucins, resulting in modulation of infection efficiency...
March 22, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28327616/genetic-control-of-autophagy-underlies-pathogenesis-of-inflammatory-bowel-disease
#11
REVIEW
K G Lassen, R J Xavier
Autophagy contributes to cellular homeostasis in the face of nutrient deprivation and other cellular stresses. Cell type-specific functions for autophagy are critical in maintaining homeostasis at both the tissue level and at the whole-organism level. Recent work has highlighted the ways in which human genetic variants modulate autophagy to alter epithelial and immune responses in inflammatory bowel disease.Mucosal Immunology advance online publication 22 March 2017. doi:10.1038/mi.2017.18.
March 22, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28327177/intestinal-t-lymphocyte-homing-is-associated-with-gastric-emptying-and-epithelial-barrier-function-in-critically-ill-a-prospective-observational-study
#12
Christian Greis, Zohal Rasuly, Rolf A Janosi, Lambros Kordelas, Dietrich W Beelen, Tobias Liebregts
BACKGROUND: Impaired gastric emptying is common in critically ill patients. Intestinal dysmotility, a major cause of feed intolerance, may foster infectious complications due to mucosal barrier disruption. However, little is known about gut-directed immune activation, intestinal barrier function and its association with impaired gastric emptying in critically ill patients at ICU admission. METHODS: We conducted a prospective observational study at two tertiary care medical ICUs...
March 22, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28326744/nutritional-parameters-and-carbohydrate-and-fat-metabolism-after-prolonged-salsolinol-administration-in-rats-fed-normal-or-high-fat-diets
#13
(no author information available yet)
OBJECTIVES: Previous studies have reported that exogenous salsolinol might contribute to myenteric cell death and altered gastrointestinal motility. Because the entire gut mucosal, entero-endocrine and motor functions are integrated by the enteric nervous system, the aim of the present study was to investigate if prolonged intraperitoneal salsolinol administration alters basic metabolism and nutritional parameters in adult Wistar rats fed normal or high-fat diets. METHODS: Male Wistar rats were subjected to continuous intraperitoneal low dosing of salsolinol with ALZET osmotic mini-pumps for 2 or 4 weeks and fed either a normal or high-fat diet...
December 22, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28326711/-comparative-experiments-of-stripping-sheep-maxillary-sinus-mucosal-with-new-type-stripper-and-umbrella-detacher
#14
Fan Jiadong, Li Yanfeng, Liu Le, Han Yishi, Hu Pin, Zhang Yue, Bao Wenya
OBJECTIVE: To compare the stripping length obtained through the model of 0.012 and 0.014 of the nickel-titanium dual-stage maxillary sinus mucosa stripper, and the umbrella detacher. METHODS: Twenty-four goats (1.5-2 years old) were chosen, randomly divided into A, B, C groups, each group of eight. Group A was 0.012 model group, group B was 0.014 model group, group C was umbrella detacher group. Animal model was established, and maxillary sinus mucosa was stripped to the left and right sides of the bottom of the sinus in three groups...
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28326698/-construction-of-human-mucosa-oral-epithelial-cell-lines-overexpressing-telomerase-reverse-transcriptase-gene-mediated-by-lentivirus
#15
Zeng Sa, Qin Xiaodong, He Xiangyi, Che Chunxiao, Zhang Xiao, Xie Siyu, Sun Guijun, Wang Lihe
OBJECTIVE: To construct a cell line of oral mucosa epithelial cells that stably express human telomerase reverse transcriptase (hTERT) by lentiviral vectors, approaches for the establishment of stable and efficient immortalized oral mucosa epithelial cell lines were explored. METHODS: Whole RNA was extracted from 293T cells. The hTERT gene was amplified by polymerase chain reaction (PCR) and cloned into the lentiviral vector as pLVX-puro-hTERT. The lentivirus particles were successfully packaged and used to infect primary oral epithelial cells...
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28326646/effect-of-tempol-on-the-prevention-of-irradiation-induced-mucositisin-miniature-pigs
#16
Liang Hu, Yijuan Wang, Ana P Cotrim, Zhao Zhu, Runtao Gao, Changyu Zheng, Corinne M Goldsmith, Luyuan Jin, Chunmei Zhang, James B Mitchell, Bruce J Baum, Songlin Wang
OBJECTIVE: The goals of this study were to (i) establish a useful miniature pig (minipig) model for irradiation-induced oral mucositis and (ii) evaluate the effect of Tempol to prevent its development. METHODS AND MATERIALS: Minipigs were irradiated with 6Gy for 5 consecutive days targeting the entire oral cavity. To prevent radiation damage minipigs were treated with 30 mg/kg Tempol 10 minutes before irradiation (n=4), while, the radiation-alone group was similarly injected with saline (n=4)...
March 22, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28326597/performing-routine-follow-up-biopsy-1-year-after-diagnosis-does-not-affect-long-term-outcomes-in-coeliac-disease
#17
H Pekki, K Kurppa, M Mäki, H Huhtala, K Laurila, T Ilus, K Kaukinen
BACKGROUND: A repeat biopsy is recommended, but often omitted in coeliac disease patients on a gluten-free diet. The effect of performing or not performing repeat biopsies is currently unknown. AIM: To identify factors associated with and the significance of lacking biopsy for long-term outcome. Predictors and the importance of incomplete histological recovery after 1 year was investigated in re-biopsied patients. METHODS: A total of 760 patients participated in a nationwide follow-up study...
March 21, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28326566/systematic-review-with-meta-analysis-comparative-efficacy-of-biologics-for-induction-and-maintenance-of-mucosal-healing-in-crohn-s-disease-and-ulcerative-colitis-controlled-trials
#18
REVIEW
A Cholapranee, G S Hazlewood, G G Kaplan, L Peyrin-Biroulet, A N Ananthakrishnan
BACKGROUND: Mucosal healing is an important therapeutic endpoint in the management of Crohn's disease (CD) and ulcerative colitis (UC). Limited data exist regarding the comparative efficacy of various therapies in achieving this outcome. AIM: To perform a systematic review and meta-analysis of biologics for induction and maintenance of mucosal healing in Crohn's disease and ulcerative colitis. METHODS: We performed a systematic review and meta-analysis of randomised controlled trials (RCT) examining mucosal healing as an endpoint of immunosuppressives, anti-tumour necrosis factor α (anti-TNF) or anti-integrin monoclonal antibody therapy for moderate-to-severe CD or UC...
March 22, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28326084/hiv-infection-and-compromised-mucosal-immunity-oral-manifestations-and-systemic-inflammation
#19
REVIEW
Samantha E Heron, Shokrollah Elahi
Mucosal surfaces account for the vast majority of HIV transmission. In adults, HIV transmission occurs mainly by vaginal and rectal routes but rarely via oral route. By contrast, pediatric HIV infections could be as the result of oral route by breastfeeding. As such mucosal surfaces play a crucial role in HIV acquisition, and spread of the virus depends on its ability to cross a mucosal barrier. HIV selectively infects, depletes, and/or dysregulates multiple arms of the human immune system particularly at the mucosal sites and causes substantial irreversible damage to the mucosal barriers...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28325746/dietary-emulsifiers-directly-alter-human-microbiota-composition-and-gene-expression-ex-vivo-potentiating-intestinal-inflammation
#20
Benoit Chassaing, Tom Van de Wiele, Jana De Bodt, Massimo Marzorati, Andrew T Gewirtz
OBJECTIVE: The intestinal microbiota plays a central role in the development of many chronic inflammatory diseases including IBD and metabolic syndrome. Administration of substances that alter microbiota composition, including the synthetic dietary emulsifiers polysorbate 80 (P80) and carboxymethylcellulose (CMC), can promote such inflammatory disorders. However, that inflammation itself impacts microbiota composition has obfuscated defining the extent to which these compounds or other substances act directly upon the microbiota versus acting on host parameters that promote inflammation, which subsequently reshapes the microbiota...
March 21, 2017: Gut
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