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https://www.readbyqxmd.com/read/28329851/short-tslp-attenuates-toluene-diisocyanate-tdi-induced-airway-inflammation-and-inhibits-hmgb1-rage-and-long-tslp-expression
#1
Yanhong Wang, Yanqing Le, Wenqu Zhao, Yun Lin, Yue Wu, Changhui Yu, Jing Xiong, Fei Zou, Hangming Dong, Shaoxi Cai, Haijin Zhao
Short thymic stromal lymphopoietin (short TSLP), one of TSLP variants, exerts anti-inflammatory activities in endotoxin shock and colitis mouse models. Our latest work reported that short TSLP prevented house dust mite (HDM)-induced epithelial barrier disruption. Yet the role of short TSLP in toluene diisocyanate (TDI)-induced asthma is unknown. Male BALB/c mice were sensitized and challenged with TDI to generate a chemical-induced asthma model. Synthetic short TSLP peptides were given intranasally (i.n.) or intraperitoneally (i...
February 27, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28329749/urethral-reconstruction-using-everted-saphenous-vein-graft-in-a-rabbit-model-one-year-outcomes
#2
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/28329529/concurrent-pyogenic-granuloma-and-bullous-impetigo-of-a-pregnant-woman-s-finger
#3
Rosie Qin, Philip R Cohen
BACKGROUND: Bullous impetigo is a superficial skininfection caused by Staphylococcus aureus (S.aureus). Pyogenic granuloma is a common benigntumor frequently associated with prior trauma.Bullous impetigo and pyogenic granuloma may occurin pregnant women. PURPOSE: The features of a pregnant womanwith pyogenic granuloma and bullous impetigoconcurrently present in a lesion on her finger aredescribed. METHODS: PubMed was used to search the followingterms: bullous impetigo, pregnancy, and pyogenicgranuloma...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328288/the-role-of-mf-erg-in-the-diagnosis-and-treatment-of-age-related-macular-degeneration-electrophysiological-features-of-amd
#4
Marilita M Moschos, Eirini Nitoda
INTRODUCTION: Age-related macular cegeneration (AMD) is the leading cause of visual dysfunction worldwide, affecting 9-25% of individuals between 65 and 75 years old. METHODS: We have reviewed the published articles investigating the role of multifocal electroretinogram (mf-ERG) in the diagnosis and treatment of AMD. RESULTS: Visual evoked potentials have revealed decreased amplitudes and higher latencies in patients with AMD, while the degeneration of photoreceptors and abnormalities of retinal pigment epithelium can be identified by electro-oculogram recordings...
March 22, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28328242/human-airway-epithelial-cells-direct-significant-rhinovirus-replication-in-monocytic-cells-by-enhancing-icam1-expression
#5
Xu Zhou, Lingxiang Zhu, Rosa Lizarraga, Yin Chen
Human rhinovirus (RV) is the major cause of common cold, and it also plays a significant role in asthma and asthma exacerbation. Airway epithelium is the primary site of RV infection and production. In contrast, monocytic cells (e.g. monocytes and macrophages) are believed to be non-permissive for RV replication. Instead, RV has been shown to modulate inflammatory gene expressions in these cells via a replication-independent mechanism. In the present study, RV16 (a major-group RV) replication was found to be significantly enhanced in monocytes when co-cultivated with airway epithelial cells...
March 22, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28327951/hpv16-dna-and-integration-in-normal-and-malignant-epithelium-implications-for-the-etiology-of-laryngeal-squamous-cell-carcinoma
#6
X Chen, L Gao, E M Sturgis, Z Liang, Y Zhu, X Xia, X Zhu, X Chen, G Li, Z Gao
Background: Molecular evidence suggests that human papillomavirus (HPV) has a role in the etiology of oropharyngeal squamous cell carcinoma. However, the role of HPV in laryngeal squamous cell carcinoma (LSCC) is unclear. Patients and Methods: We conducted a case-control study using tumor tissue specimens from 300 LSCC patients and vocal cord polyp specimens from 300 cancer-free controls. HPV genotype, HPV16 viral load and viral integration status, and p16 expression were determined...
January 23, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327823/ex-vivo-model-of-rabbit-intestinal-epithelium-applied-to-the-study-of-colonization-by-enteroaggregative-escherichia-coli
#7
Ricardo Luís Lopes Braga, Ana Claudia Machado Pereira, Paula Azevedo Dos Santos, Angela Corrêa Freitas-Almeida, Ana Cláudia de Paula Rosa
BACKGROUND: The diarrheal syndrome is considered a serious public health problem all over the world and is considered a major cause of morbidity and mortality in developing countries. The high incidence of enteroaggregative Escherichia coli in diarrheal syndromes classified as an emerging pathogen of gastrointestinal infections. After decades of study, your pathogenesis remains uncertain and has been investigated mainly using in vitro models of adhesion in cellular lines. OBJECTIVE: The present study investigated the interaction of enteroaggregative Escherichia coli strains isolated from childhood diarrhea with rabbit ileal and colonic mucosa ex vivo, using the in vitro organ culture model...
March 16, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28327558/actomyosin-generated-tension-on-cadherin-is-similar-between-dividing-and-non-dividing-epithelial-cells-in-early-xenopus-laevis-embryos
#8
Gaëtan Herbomel, Guillaume Hatte, Julien Roul, Sergi Padilla-Parra, Jean-Pierre Tassan, Marc Tramier
Epithelia represent a unique situation where polarized cells must maintain sufficiently strong cell-cell contacts to guarantee the epithelial integrity indispensable for barrier functions. Nevertheless, epithelia must also keep sufficient plasticity which is crucial during development and morphogenesis. Adherens junctions and mechanical forces produced by the actomyosin cytoskeleton are major players for epithelial integrity maintenance and plasticity regulations. To understand how the epithelium is able to meet such a challenge, it is indispensable to determine how cellular junctions and mechanical forces acting at adherens junctions are regulated...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327526/survivin-and-naip-in-human-benign-prostatic-hyperplasia-protective-role-of-the-association-of-serenoa-repens-lycopene-and-selenium-from-the-randomized-clinical-study
#9
Giuseppe Morgia, Antonio Micali, Mariagrazia Rinaldi, Natasha Irrera, Herbert Marini, Domenico Puzzolo, Antonina Pisani, Salvatore Privitera, Giorgio I Russo, Sebastiano Cimino, Antonio Ieni, Vincenzo Trichilo, Domenica Altavilla, Francesco Squadrito, Letteria Minutoli
Benign prostatic hyperplasia (BPH) treatment includes the apoptosis machinery modulation through the direct inhibition of caspase cascade. We previously demonstrated that Serenoa repens (Ser) with lycopene (Ly) and selenium (Se) reawakened apoptosis by reducing survivin and neuronal apoptosis inhibitory protein (NAIP) levels in rats. The aim of this study was to evaluate the effectiveness of Ser-Se-Ly association on survivin and NAIP expression in BPH patients. Ninety patients with lower urinary tract symptoms (LUTS) due to clinical BPH were included in this randomized, double-blind, placebo-controlled trial...
March 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28326569/the-dynamics-of-the-oesophageal-squamous-epithelium-normalisation-process-in-patients-with-gastro-oesophageal-reflux-disease-treated-with-long-term-acid-suppression-or-anti-reflux-surgery
#10
L Mastracci, R Fiocca, C Engström, S Attwood, C Ell, J P Galmiche, J G Hatlebakk, G Långström, S Eklund, T Lind, L Lundell
BACKGROUND: Proton pump inhibitors and laparoscopic anti-reflux surgery (LARS) offer long-term symptom control to patients with gastro-oesophageal reflux disease (GERD). AIM: To evaluate the process of 'normalisation' of the squamous epithelium morphology of the distal oesophagus on these therapies. METHODS: In the LOTUS trial, 554 patients with chronic GERD were randomised to receive either esomeprazole (20-40 mg daily) or LARS. After 5 years, 372 patients remained in the study (esomeprazole, 192; LARS, 180)...
March 21, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28325761/the-aryl-hydrocarbon-receptor-governs-epithelial-cell-invasion-during-oropharyngeal-candidiasis
#11
Norma V Solis, Marc Swidergall, Vincent M Bruno, Sarah L Gaffen, Scott G Filler
Oropharyngeal candidiasis (OPC), caused predominantly by Candida albicans, is a prevalent infection in patients with advanced AIDS, defects in Th17 immunity, and head and neck cancer. A characteristic feature of OPC is fungal invasion of the oral epithelial cells. One mechanism by which C. albicans hyphae can invade oral epithelial cells is by expressing the Als3 and Ssa1 invasins that interact with the epidermal growth factor receptor (EGFR) on epithelial cells and stimulate endocytosis of the organism. However, the signaling pathways that function downstream of EGFR and mediate C...
March 21, 2017: MBio
https://www.readbyqxmd.com/read/28325634/emerging-roles-of-coblation-in-rhinology-and-skull-base-surgery
#12
REVIEW
Garret W Choby, Peter H Hwang
Coblation is a technology that incorporates bipolar radiofrequency energy to ablate tissue at relatively low temperatures. Its use for sinonasal surgery is actively being investigated, including applications for turbinate reduction, sinus surgery, skull base surgery, and adenoidectomy. Potential benefits include reduction in blood loss, improved endoscopic surgical visualization, and reduction in postoperative pain. The main drawbacks are its relatively high cost, potential adverse effects on functional epithelium, and relative paucity of long-term outcomes...
March 18, 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28325365/macrocystic-ductal-adenocarcinoma-of-prostate-a-rare-gross-appearance-of-prostate-cancer
#13
Fumiyoshi Kojima, Hiroyuki Koike, Ibu Matsuzaki, Yoshifumi Iwahashi, Kenji Warigaya, Masakazu Fujimoto, Kazuo Ono, Youji Urata, Yasuo Kohjimoto, Isao Hara, Shin-Ichi Murata
Macroscopic cyst-formation by prostatic adenocarcinoma, herein referred to as macrocystic prostatic adenocarcinoma (MPA), is extremely rare. To date, no studies of prostate cancer performed based on gross cystic appearance have been reported. MPA can include various diseases, one of which is cystadenocarcinoma. Several cases of ductal adenocarcinoma exhibiting a macrocystic appearance have recently been reported; however, the histological and clinicopathological characteristics of MPAs have yet to be characterized and established...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325297/engineering-of-pedf-expressing-primary-pigment-epithelial-cells-by-the-sb-transposon-system-delivered-by-pfar4-plasmids
#14
Gabriele Thumann, Nina Harmening, Cécile Prat-Souteyrand, Corinne Marie, Marie Pastor, Attila Sebe, Csaba Miskey, Laurence D Hurst, Sabine Diarra, Martina Kropp, Peter Walter, Daniel Scherman, Zoltán Ivics, Zsuzsanna Izsvák, Sandra Johnen
Neovascular age-related macular degeneration (nvAMD) is characterized by choroidal blood vessels growing into the subretinal space, leading to retinal pigment epithelial (RPE) cell degeneration and vision loss. Vessel growth results from an imbalance of pro-angiogenic (e.g., vascular endothelial growth factor [VEGF]) and anti-angiogenic factors (e.g., pigment epithelium-derived factor [PEDF]). Current treatment using intravitreal injections of anti-VEGF antibodies improves vision in about 30% of patients but may be accompanied by side effects and non-compliance...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28324630/morphological-and-neurochemical-differences-in-peptidergic-nerve-fibres-of-the-mouse-vagina
#15
Christine Barry, Esther Ji, Harman Sharma, Lara Beukes, Pat Vilimas, Yvette DeGraaf, Dusan Matusica, Rainer V Haberberger
The vagina is innervated by a complex arrangement of sensory, sympathetic and parasympathetic nerve fibres that contain classical transmitters plus an array of neuropeptides and enzymes known to regulate diverse processes including blood flow and nociception. The neurochemical characteristics and distributions of peptide-containing nerves in the mouse vagina are unknown. This study used multiple labelling immunohistochemistry, confocal imaging and analysis to investigate the presence and colocalization of the peptides vasoactive intestinal polypeptide (VIP), calcitonin-gene related peptide (CGRP), substance P (SP), neuropeptide tyrosine (NPY) and the nitric oxide synthesizing enzyme neuronal nitric oxide synthase (nNOS) in nerve fibres of the murine vaginal wall...
March 21, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28324113/microrna-expression-patterns-involved-in-amyloid-beta-induced-retinal-degeneration
#16
Peirong Huang, Junran Sun, Fenghua Wang, Xueting Luo, Jingyang Feng, Qing Gu, Te Liu, Xiaodong Sun
Purpose: Dry age-related macular degeneration (AMD) is characterized by the accumulation of drusen under Bruch's membrane, and amyloid beta (Aβ) is speculated to be one of the key pathologic factors. While the detrimental effects of Aβ on retinas have been widely explored, Aβ-induced epigenetic regulatory changes have yet to be fully investigated. We therefore aimed to identify the microRNA (miRNA) expression profiles in an Aβ-induced mouse model of retinal degeneration. Methods: C57BL/6 mice were intravitreally injected with Aβ1-40 or PBS and the eye tissues were collected for hematoxylin and eosin (H&E) staining, apoptosis immunofluorescence staining, and miRNA profiling...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28324007/aberrant-tgf-%C3%AE-signaling-drives-castration-resistant-prostate-cancer-in-a-male-mouse-model-of-prostate-tumorigenesis
#17
Hong Pu, Diane Begemann, Natasha Kyprianou
The androgen receptor (AR) plays a critical role as a driver of castration-resistant-prostate cancer (CRPC). Our previous studies demonstrated that disruption of transforming growth factor-β (TGF-β) signaling via introduction of dominant-negative TGF-β type II receptor (DNTGF-RβII) in the prostate epithelium of transgenic adenocarcinoma of the prostate (TRAMP) mice accelerated tumor. This study investigated the consequences of disrupted TGF-β signaling on prostate tumor growth under conditions of castration-induced androgen deprivation (ADT) in the pre-clinical model DNTGFβRII...
March 16, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323996/molecular-physiology-of-the-hypocalcemic-action-of-fibroblast-growth-factor-23-in-zebrafish-danio-rerio
#18
Chia-Hao Lin, Huei-Jyun Hu, Pung-Pung Hwang
Fibroblast growth factor 23 (FGF23), a hormone required for phosphorus metabolism, was recently proposed to act on Ca2+ uptake; however, the available evidences of how FGF23 controls the body fluid Ca2+ homeostasis needs to be further clarified. The use of zebrafish as a model system revealed that FGF23 is specifically expressed in the corpuscles of Stannius (CS), an organ involved in Ca2+ homeostasis in fish, and its expression is stimulated by ambient water with a high Ca2+ level. The overexpression of FGF23 inhibited Ca2+ uptake by downregulating the mRNA expression of epithelium calcium channel (ECaC)...
March 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323994/direct-regulation-of-histidine-ammonia-lyase-2-gene-by-thyroid-hormone-in-the-developing-adult-intestinal-stem-cells
#19
Nga Luu, Liezhen Fu, Kenta Fujimoto, Yun-Bo Shi
Most vertebrate organs utilize adult stem cells to maintain homeostasis and ensure proper repair when damaged. How such organ-specific stem cells are formed during vertebrate development is largely unexplored. We have been using the thyroid hormone (T3)-dependent amphibian metamorphosis to address this issue. Early studies in Xenopus laevis have shown that intestinal remodeling involves complete degeneration of the larval epithelium and de novo formation of adult stem cells through dedifferentiation of some larval epithelial cells...
February 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323988/basement-membrane-laminin-%C3%AE-2-regulates-btb-dynamics-via-its-effects-on-f-actin-and-microtubule-mt-cytoskeletons-via-mtorc1-signaling
#20
Ying Gao, Haiqi Chen, Wing-Yee Lui, Will M Lee, C Yan Cheng
A local axis connects the apical ectoplasmic specialization (apical ES) at the Sertoli-spermatid interface, the basal ES at the blood-testis barrier (BTB), and the basement membrane across the seminiferous epithelium functionally in rat testes. As such, cellular events that take place across the epithelium such as spermiation and BTB remodeling that occur at the apical ES and the basal ES, respectively, at stage VIII of the cycle are coordinated. Herein, laminin α2, a structural component of the basement membrane, was found to regulate BTB dynamics...
January 16, 2017: Endocrinology
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