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https://www.readbyqxmd.com/read/29775897/the-gastric-mucosal-protective-effects-of-astragaloside-iv-in-mnng-induced-gpl-rats
#1
Tiantian Cai, Chengzhe Zhang, Ziming Zhao, Siyi Li, Haobin Cai, Xiaodong Chen, Dake Cai, Wei Liu, Yan Yan, Kaifeng Xie, Huafeng Pan, Xiaohui Zeng
Gastric Cancer is one of the most common types of cancer. And the occurrence of gastric carcinoma is an evolutionary histopathological stage. As a result, further research of GPL, which is a borderline of gastric cancer, is indispensable for preventing the formation and development of gastric carcinoma. Several studies have demonstrated a correlation between the expression of autophagy, apoptosis and Gastric cancer (GC). However, the effects of autophagy and apoptosis on human gastric cancer progression, particularly on gastric precancerous lesions (GPL), have not totally been investigated...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775861/screening-methylation-of-dna-repair-genes-in-the-oral-mucosa-of-chronic-smokers
#2
Celina Faig Lima Carta, Mônica Ghislaine Oliveira Alves, Patrícia Pimentel de Barros, Márcia Sampaio Campos, Jaqueline Scholz, Antonio Olavo Cardoso Jorge, Fábio Daumas Nunes, Janete Dias Almeida
OBJECTIVE: The aim of this study was to evaluate the epigenetic changes in the process of oral carcinogenesis by screening the methylation of repair genes in chronic smokers. DESIGN: Two groups were formed: Group 1: 16 smokers with consumption of 20 cigarettes/day for at least 10 years; and Group 2: 10 non-smoking. Exfoliative cytology of the tongue was performed, and the extracted DNA was treated by enzymes. The PCR Array System performed methylation screening to evaluate 22 DNA repair genes, and the results were validated by RT-qPCR for each gene with methylation levels ≥10%...
May 1, 2018: Archives of Oral Biology
https://www.readbyqxmd.com/read/29775717/temozolomide-loaded-nano-lipid-based-chitosan-hydrogel-for-nose-to-brain-delivery-characterization-nasal-absorption-histopathology-and-cell-line-study
#3
Anam Khan, Mohd Aqil, Syed Sarim Imam, Abdul Ahad, Yasmin Sultana, Asgar Ali, Khalid Khan
The present study was designed to develop and optimize Temozolomide nano lipid chitosan gel delivery (TMZNLCHG) to target the brain through nasal route. The formulation was developed using chitosan as a gelling agent and Vit E: gelucire 44/14 blend as lipid. The formulations were evaluated for particle size, drug loading, morphology, drug release, nasal diffusion, cell line study, and histopathology study. The average particle size, PDI, %EE, loading, drug release, and % permeation were found to be 134 nm, 0...
May 15, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29775163/methylprednisolone-inhibits-the-proliferation-of-endogenous-neural-stem-cells-in-nonhuman-primates-with-spinal-cord-injury
#4
Jichao Ye, Yi Qin, Yong Tang, Mengjun Ma, Peng Wang, Lin Huang, Rui Yang, Keng Chen, Chaopeng Chai, Yanfeng Wu, Huiyong Shen
OBJECTIVE The aim of this work was to investigate the effects of methylprednisolone on the proliferation of endogenous neural stem cells (ENSCs) in nonhuman primates with spinal cord injury (SCI). METHODS A total of 14 healthy cynomolgus monkeys ( Macaca fascicularis) (4-5 years of age) were randomly divided into 3 groups: the control group (n = 6), SCI group (n = 6), and methylprednisolone therapy group (n = 2). Only laminectomy was performed in the control animals at T-10. SCI was induced in monkeys using Allen's weight-drop method (50 mm × 50 g) to injure the posterior portion of the spinal cord at T-10...
May 18, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29775027/-clinical-research-of-different-characteristics-of-fungal-ball-sinusitis
#5
M J Wang, B Zhou, Y C Li, S J Cui, Q Huang
Objective: The aim of this study is to investigate the clinical features of different subtypes of fungal ball sinusitis. Method: Four hundred and forty-nine cases with fungal ball rhinosinusitis (FBS) were involved in this retrospective analysis. The clinical features including symptoms, signs, and imaging scans, pathological results were all collected for each patient and the patients were classified into different subtypes according to these clinical features and the follow-up treatment. Result: In this retrospective study, 449 patients who diagnosed with fungal ball sinusitis were involved...
February 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29775018/-causes-and-management-of-frontal-sinusitis-after-transfrontal-craniotomy
#6
T C Liu, X F Yu, Z W Gu, W L Bai, Z H Wang, Z W Cao
Objective: The aim of this study is to investigate the causes and the strategy of frontal sinusitis after transfrontal craniotomy by endoscopic frontal sinus surgery and traditional surgery with facial incision. Method: A total of thirty-four patients with frontal sinusitis after transfrontal craniotomy were admitted, with the symptom of purulence stuff, headache and upper eyelid discharging. The onset time was 2.6 years on average. The frontal sinus CT and MRI images showed frontal sinusitis. Twenty-seven patients were treated with endoscopic frontal sinus surgery, and seven patient was treated with combined endoscopic and traditional frontal sinus surgery...
February 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29775013/-effects-of-highly-selective-branches-neurotomy-of-vidian-nerve-with-low-temperature-plasma-on-vasoactive-intestinal-peptide-in-nasal-mucosal-cells-of-patients-with-allergic-rhinitis
#7
P He, X J Jin, H Zhao
Objective: The aim of this study is to investigate the effect of highly selective branches neurotomy of vidian nerve with low temperature plasma on the level of vasoactive intestinal peptide in nasal mucosa of patients with allergic rhinitis. Method: Fifty patients with allergic rhinitis were selected as the experimental group. At the same time, 50 normal adults in our hospital were selected as the control group. Highly selective branches neurotomy of vidian nerve with low temperature plasma was performed to observe the changes of vascular intestinal peptide levels in patients with nasal mucosa and the clinical efficacy...
February 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29774995/-study-on-the-relationship-between-mct-1-and-p53-in-laryngeal-squamous-cell-carcinoma
#8
Y B Wang, O Xu, R J Zhang, C G Shan
Objective: The aim of this study is to investigate the expression and clinical significance of monocarboxylate transporter 1 (MCT-1) and p53 in laryngeal squamous cell carcinoma (LSCC). Method: Immunohistochemical staining of MCT-1 and p53 was carried out in 41 cases of laryngeal squamous cell carcinoma embedded in paraffin, and the relationship between positive expression and clinicopathological data was evaluated. All data were analyzed by SPSS software (Windows version 21.0). Result: In normal mucosa p53 expression was absent; while, the basal "stem cell" layer is highly enriched in MCT-1...
June 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29774942/-progress-and-controversy-on-diagnosis-and-treatment-of-gastric-stump-cancer
#9
Zhidong Gao, Yongbai Li, Kewei Jiang, Yingjiang Ye, Shan Wang
Gastric stump cancer (GSC) is a carcinoma arising from the remnant stomach following gastric surgery for benign or malignant disease, and is more common in men. The risk of morbidity has an obvious time dependence. GSC incidence is likely to rise with lengthening of the initial operation interval. The GSC time interval after malignant disease is significantly shorter than that of benign disease. GSC etiologies mainly include duodenogastric reflux and denervation of the gastric mucosa resulting in the change of the gastric environment after gastrectomy and the Helicobacter pylori infection...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774758/evaluation-of-natural-bv-as-a-novel-feed-additive-in-fast-growing-broilers
#10
Da Hye Kim, Sang Mi Han, Moung Cheul Keum, Sang Lee, Byoung Ki An, Sang-Rak Lee, Kyung-Woo Lee
1. The present study was designed to evaluate purified bee venom (BV) as an alternative to antibiotics in broiler chickens. The experimental treatment diets were formulated by adding BV into a maize-soybean meal-based diet to give 0, 10, 50, 100, and 500 μg BV per kg of diet. 2. Dietary BV quadratically improved (P<0.05) feed conversion ratio and increased body weight gain at 1-21 days as level in diet increased. Higher BV levels lowered relative weight of spleen (linear and quadratic, P<0.05), bursa of Fabricius (quadratic, P<0...
May 18, 2018: British Poultry Science
https://www.readbyqxmd.com/read/29774226/metastatic-gastric-signet-ring-cell-carcinoma-mimicking-crohn-s-disease
#11
Michael W Winter, Amr Dokmak, Zachary Marnoy, Shweta Sinagare, Alexander N Levy
Signet-ring cell carcinoma (SRCC) is an adenocarcinoma characterized by mucin-producing cells and most commonly arises in the stomach. Colonic SRCC can share features of colitis, including long segments of concentric bowel wall thickening and ulcerated mucosa with regions of sparing. We describe a rare case of metastatic gastric SRCC mimicking Crohn's disease. Our patient underwent 2 colonoscopies, and biopsies revealed chronic active inflammation with no evidence of malignancy. The diagnosis of SRCC was only made after colectomy was performed for recurrent bowel obstruction...
2018: ACG Case Reports Journal
https://www.readbyqxmd.com/read/29774087/severity-of-gastric-mucosal-atrophy-affects-the-healing-speed-of-post-endoscopic-submucosal-dissection-ulcers
#12
Taketo Otsuka, Mitsushige Sugimoto, Hiromitsu Ban, Toshiro Nakata, Masaki Murata, Atsushi Nishida, Osamu Inatomi, Shigeki Bamba, Akira Andoh
AIM: To investigate factors associated with the healing of endoscopic submucosal dissection (ESD)-induced ulcers. METHODS: We enrolled 132 patients with gastric tumors scheduled for ESD. Following ESD, patients were treated with daily lansoprazole 30 mg or vonoprazan 20 mg. Ulcer size was endoscopically measured on the day after ESD and at 4 and 8 wk. The gastric mucosa was endoscopically graded according to the Kyoto gastritis scoring system. We assessed the number of patients with and without a 90% reduction in ulcer area at 4 wk post-ESD and scar formation at 8 wk, and looked for risk factors for slower healing...
May 16, 2018: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29773890/intraperitoneal-administration-of-the-anti-il-23-antibody-prevents-the-establishment-of-intestinal-nematodes-in-mice
#13
M Gomez-Samblas, D Bernal, A Bolado-Ortiz, S Vilchez, F Bolás-Fernández, A M Espino, M Trelis, A Osuna
Previous studies have established that an increased Th-9 response creates a hostile environment for nematode parasites. Given that IL-23, a cytokine required for maintenance of the IL-17-secreting phenotype, has inhibitory effects on IL-9 production, we hypothesized that reducing circulating IL-23 by treatment with anti-IL-23 antibodies would reduce the establishment and development of parasitic intestinal nematodes. In this study, we show that animals treated with anti-IL-23 monoclonal antibodies showed a drastic reduction in the number of mouse pinworms (Aspiculuris tetraptera) recovered from the intestine (p < 0...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29773884/pathologic-features-and-expression-of-heat-shock-protein-47-in-the-nasal-mucosa-and-lacrimal-sac-does-it-influence-the-surgical-outcome-of-endoscopic-endonasal-dacryocystorhinostomy
#14
Jinhwan Park, Joonsik Lee, Sehyun Baek
PURPOSE: To correlate the pathologic features and heat shock protein 47 (HSP47) expression in the nasal mucosa and lacrimal sac with the surgical outcomes of endoscopic endonasal dacryocystorhinostomy (EDCR). METHODS: Specimens of the nasal mucosa and lacrimal sac over the rhinostomy site were collected during the operation. Haematoxylin-eosin and immunohistochemical staining were performed to determine the pathologic features (inflammation, fibrosis, squamous metaplasia) and the expression of HSP47 in the epithelium and sub-epithelial glands of the nasal mucosa and lacrimal sac...
May 18, 2018: Eye
https://www.readbyqxmd.com/read/29773876/early-salmonella-typhimurium-infection-in-pigs-disrupts-microbiome-composition-and-functionality-principally-at-the-ileum-mucosa
#15
Héctor Argüello, Jordi Estellé, Sara Zaldívar-López, Ángeles Jiménez-Marín, Ana Carvajal, Mª Asunción López-Bascón, Fiona Crispie, Orla O'Sullivan, Paul D Cotter, Feliciano Priego-Capote, Luis Morera, Juan J Garrido
Salmonella is a major foodborne pathogen which successfully infects animal species for human consumption such as swine. The pathogen has a battery of virulence factors which it uses to colonise and persist within the host. The host microbiota may play a role in resistance to, and may also be indirectly responsible from some of the consequences of, Salmonella infection. To investigate this, we used 16S rRNA metagenomic sequencing to determine the changes in the gut microbiota of pigs in response to infection by Salmonella Typhimurium at three locations: ileum mucosa, ileum content and faeces...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29773670/high-%C3%AE-tocopherol-dosing-increases-lipid-metabolism-by-changing-redox-state-in-damaged-rat-gastric-mucosa-and-liver-after-ethanol-treatment
#16
Marisela Olguín-Martínez, Diego R Hernández-Espinosa, Rolando Hernández-Muñoz
Regeneration of ethanol-injured rat gastric mucosa must undergo changes in major metabolic pathways to achieve DNA replication and cell proliferation. These events are highly dependent on glucose utilization and inhibited by vitamin E (α-tocopherol) administration. Therefore, this study was aimed at assessing lipid metabolism in the gastric mucosa and ethanol-induced gastric damage and the effect of α-tocopherol administration. For this, rates of fatty acid β-oxidation and lipogenesis were tested in gastric mucosa samples...
May 17, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29773356/a-web-based-overview-systematic-review-and-meta-analysis-of-pancreatic-anastomosis-techniques-following-pancreatoduodenectomy
#17
REVIEW
Lois A Daamen, F Jasmijn Smits, Marc G Besselink, Olivier R Busch, Inne H Borel Rinkes, Hjalmar C van Santvoort, I Quintus Molenaar
BACKGROUND: Many pancreatic anastomoses have been proposed to reduce the incidence of postoperative pancreatic fistula (POPF) after pancreatoduodenectomy, but a complete overview is lacking. This systematic review and meta-analysis aims to provide an online overview of all pancreatic anastomosis techniques and to evaluate the incidence of clinically relevant POPF in randomized controlled trials (RCTs). METHODS: A literature search was performed to December 2017...
May 14, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29773105/-protective-role-of-green-tea-polyphenols-in-intestinal-mucosal-barrier-function-of-mice-with-colitis-induced-by-tnbs-through-inhibiting-jak2-stat3-pathway
#18
Jin Xi, Sitang Ge, Lugen Zuo, Yuke Zhu, Lian Wang, Qiaoli Xie
Objective To analyze the therapeutic effect of green tea polyphenols (GTP) in mice with colitis induced by TNBS and its possible mechanism. Methods Colitis was induced by TNBS in BALB/C mice. The mice were randomly divided into GTP group (n=10) and TNBS model group (n=10). Mice in the GTP group were given GTP [0.2 mL at a dose level of 100 mg/(kg.d)] by oral gavage, and mice in the model group were given normal saline [0.2 ml/d] by gavage. Four weeks later, the mice were sacrificed. Disease activity index (DAI) and inflammatory score were evaluated by HE staining...
March 2018: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/29772525/vaginal-microbiota-dysmicrobism-and-role-of-biofilm-forming-bacteria
#19
Giuseppina Campisciano, Nunzia Zanotta, Vincenzo Petix, Lucia Corich, Francesco De Seta, Manola Comar
Bacterial vaginosis involves the presence of a polymicrobial biofilm on the vaginal epithelium, guaranteeing immune escape and spread of antibiotic resistance. To spot known biofilm-forming bacteria, we profiled the vaginal microbiome of sixty-four symptomatic women suffering from a different grade of vaginal disorders and sixty asymptomatic healthy women. Specific microbial profiles distinguished symptomatic from asymptomatic women and characterized the grade of dysmicrobism within the symptomatic group. Lactobacillus crispatus and iners predominated on the healthy vaginal mucosa, while Lactobacillus gasseri predominated in the intermediate dysmicrobism...
June 1, 2018: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/29772445/the-protective-role-of-all-transretinoic-acid-atra-against-colorectal-cancer-development-is-achieved-via-increasing-mir-3666-expression-and-decreasing-e2f7-expression
#20
Weihong Liu, Yanqiu Song, Chenggui Zhang, Pengfei Gao, Bisheng Huang, Jianfang Yang
OBJECTIVE: Colorectal cancer (CRC) is one of the most common malignancies with high morbidity and mortality rates worldwide. This study aimed to investigate whether miR-3666 was involved in inhibitory effects of all-transretinoic acid (ATRA) on the development of colorectal cancer (CRC). MATERIAL AND METHODS: Surgical specimens of CRC tissues and adjacent non-tumor mucosa were collected for determining miR-3666 expression. Human CRC HCT116 cells were treated with different doses of ATRA (10, 20, 40, and 60 μM, respectively) and/or transfected with miR-3666 mimic, miR-3666 inhibitor, E2F7 siRNAs or their controls, respectively...
May 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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