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https://www.readbyqxmd.com/read/28441788/hsp27-and-hsp70-expression-in-esophageal-squamous
#1
Caio Cesar Floriano Luz, Juliana Noguti, Leandro Borges de Araújo, Mara Silva Dos Santos Gianni, Thiago Simão Gomes, Artigiani Neto Ricardo
Twenty-eight specimens of Esophael squamous cell carcinoma (ESCC) were obtained by surgery procedures.The tissues were fixed in formalin and embedded in paraffin. In each case, all available hematoxylin and eosin stained sections were examined and a representative block was selected. The ages of these patients ranged from 40 to 93 years, with a mean age of 60 years. Results. The histological grade of tumors was 4 well-differentiated, 19 moderately differentiated and 5 poorly differentiated. Expression of Hsp27 and Hsp70 in ESCC was demonstrated in 23 (82,14%) and 26 (92,86%) cases, respectively...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441455/gene-expression-study-and-pathway-analysis-of-histological-subtypes-of-intestinal-metaplasia-that-progress-to-gastric-cancer
#2
Osmel Companioni, José Miguel Sanz-Anquela, María Luisa Pardo, Eulàlia Puigdecanet, Lara Nonell, Nadia García, Verónica Parra Blanco, Consuelo López, Victoria Andreu, Miriam Cuatrecasas, Maddi Garmendia, Javier P Gisbert, Carlos A Gonzalez, Núria Sala
BACKGROUND: Intestinal metaplasia (IM) is a precursor lesion that precedes gastric cancer (GC). There are two IM histological subtypes, complete (CIM) and incomplete (IIM), the latter having higher progression rates to GC. This study was aimed at analysing gene expression and molecular processes involved in the progression from normal mucosa to IM, and also from IM subtypes to GC. METHODOLOGY: We used expression data to compare the transcriptome of healthy gastric mucosa to that of IM not progressing to GC, and the transcriptome of IM subtypes that had progressed to GC to those that did not progress...
2017: PloS One
https://www.readbyqxmd.com/read/28441365/efficacy-and-safety-of-3-nasal-packing-materials-used-after-functional-endoscopic-sinus-surgery-for-chronic-rhinosinusitis-a-comparative-study-in-china
#3
Xi-Ling Zheng, Yu-Xiang Zhao, Min Xu
BACKGROUND This study aimed to investigate the efficacy and safety of 3 nasal packing products (silicone tube, Beschitin-F, and Aquacel1-Ag) after functional endoscopic sinus surgery (FESS) for chronic rhinosinusitis (CRS) patients in China. MATERIAL AND METHODS Sixty-six CRS patients undergoing FESS surgery were randomly divided into 3 groups (22 patients in each group): the silicone tube group, the Beschitin-F group, and the Aquacel1-Ag group. Postoperative headache, nasal pain, nasal bleeding, and swelling of the nasal mucosa were observed at 1 month after FESS surgery...
April 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28440889/a-glucagon-like-peptide-1-analog-liraglutide-improves-visceral-sensation-and-gut-permeability-in-rats
#4
Tsukasa Nozu, Saori Miyagishi, Shima Kumei, Rintaro Nozu, Kaoru Takakusaki, Toshikatsu Okumura
BACKGROUND AND AIM: A glucagon-like peptide-1 (GLP-1) analog, liraglutide, has been reported to block inflammatory somatic pain. We hypothesized that liraglutide attenuates lipopolysaccharide (LPS)- and repeated water avoidance stress (WAS)-induced visceral hypersensitivity and tested the hypothesis in rats. METHODS: The threshold of the visceromotor response (VMR) induced by colonic balloon distention was measured to assess visceral sensation. Colonic permeability was determined in vivo by quantifying the absorbed Evans blue spectrophotometrically, which was instilled in the proximal colon for 15 min...
April 25, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28440579/prevalence-of-herpes-simplex-virus-types-1-and-2-at-maternal-and-fetal-sides-of-the-placenta-in-asymptomatic-pregnant-women
#5
Fabiana Finger-Jardim, Emiliana C Avila, Vanusa P da Hora, Carla V Gonçalves, Ana Maria B de Martinez, Marcelo A Soares
PROBLEM: Herpes simplex virus 1 (HSV-1) commonly causes orolabial infection, but can also infect the genital mucosa. In contrast, HSV-2 is usually genital. Genital herpes can transmit the virus vertically to the fetus during pregnancy. We sought to estimate the prevalence of HSV-1/2 on the maternal and fetal sides of the placenta. METHOD OF STUDY: Placental tissues were collected from pregnant women seen at the Rio Grande University Hospital. HSV-1 and HSV-2 were detected by nested PCR...
April 25, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28440525/-treatment-of-complications-after-laparoscopic-intersphincteric-resection-for-low-rectal-cancer
#6
Bin Zhang, Ke Zhao, Quanlong Liu, Shuhui Yin, Yujuan Zhao, Guangzuan Zhuo, Yingying Feng, Jun Zhu, Jianhua Ding
OBJECTIVE: To summarize the perioperative and postoperative complications follow laparoscopic intersphincteric resection (LapISR) in the treatment of low rectal cancer and their management. METHODS: An observational study was conducted in 73 consecutive patients who underwent LapISR for low rectal cancer between June 2011 and February 2016 in our hospital. The clinicopathological parameters, perioperative and postoperative complications, and clinical outcomes were collected from a prospectively maintained database...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28440519/-prevention-diagnosis-and-treatment-of-perioperative-complications-of-bariatric-and-metabolic-surgery
#7
Haifu Wu, Ming Zhong, Di Zhou, Chenye Shi, Heng Jiao, Wei Wu, Xinxia Chang, Jing Cang, Hua Bian
Surgical operation in treating obesity and type 2 diabetes is popularizing rapidly in China. Correct prevention and recognition of perioperation-related operative complications is the premise of ensuring surgical safety. Familiar complications of the operation include deep venous thrombosis, pulmonary artery embolism, anastomotic bleeding, anastomotic fistula and marginal ulcer. The prevention of deep venous thrombosis is better than treatment. The concrete measures contain physical prophylaxis (graduated compression stocking and intermittent pneumatic compression leg sleeves) and drug prophylaxis (unfractionated heparin and low molecular heparin), and the treatment is mainly thrombolysis or operative thrombectomy...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28440007/spectrophotometric-analysis-of-fluorescent-zirconia-abutments-compared-to-conventional-zirconia-abutments-a-within-subject-controlled-clinical-trial
#8
Daniel S Thoma, Felix B Gamper, Vítor M Sapata, Giuseppe Voce, Christoph H F Hämmerle, Irena Sailer
BACKGROUND: Zirconia abutments are frequently used for implant-supported single crowns. Even though demonstrating esthetic benefits compared to metal abutments, zirconia abutments lead to an increased brightness of the peri-implant mucosa compared to natural teeth and are not ideal from an esthetic point of view. PURPOSE: To test whether or not a fluorescent hybrid zirconia abutment offers superior esthetics compared to a non-fluorescent one-piece zirconia abutment based on spectrophotometric analysis...
April 24, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28439171/lingual-based-four-cornered-flap-for-third-molar-surgery
#9
Anshul Rai, Monika Rai
PURPOSE: The aim of this prospective randomized clinical study was to compare the efficacy of lingual based four cornered flap with the commonly used triangular flap for impacted third molar surgery. METHODS: Ten patients with bilateral impacted third molars were randomly treated under local anaesthesia, one side with triangular flap and single layer closure (with 3-0 silk) and other side by raising lingual based four cornered flap and double layer closure, subcutaneously with 5-0 vicryl and mucosa with 3-0 silk...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28438965/radiation-induces-proinflammatory-dysbiosis-transmission-of-inflammatory-susceptibility-by-host-cytokine-induction
#10
Shiran Gerassy-Vainberg, Alexandra Blatt, Yael Danin-Poleg, Katya Gershovich, Edmond Sabo, Alex Nevelsky, Shahar Daniel, Aviva Dahan, Oren Ziv, Rishu Dheer, Maria T Abreu, Omry Koren, Yechezkel Kashi, Yehuda Chowers
OBJECTIVE: Radiation proctitis (RP) is a complication of pelvic radiotherapy which affects both the host and microbiota. Herein we assessed the radiation effect on microbiota and its relationship to tissue damage using a rectal radiation mouse model. DESIGN: We evaluated luminal and mucosa-associated dysbiosis in irradiated and control mice at two postradiation time points and correlated it with clinical and immunological parameters. Epithelial cytokine response was evaluated using bacterial-epithelial co-cultures...
April 24, 2017: Gut
https://www.readbyqxmd.com/read/28438947/treatment-with-entinostat-heals-experimental-cholera-by-affecting-physical-and-chemical-barrier-functions-of-intestinal-epithelia
#11
Protim Sarker, Atanu Banik, Roger Stromberg, Gudmundur H Gudmundsson, Rubhana Raqib, Birgitta Agerberth
We have previously shown that oral treatment of an experimental model of shigellosis with sodium butyrate or phenylbutyrate improves clinical outcome and induces the expression of the antimicrobial peptide CAP-18 in the large intestinal epithelia. In a subsequent study, we have found that Entinostat, an aroylated phenylenediamine compound has similar therapeutic potential against shigellosis. Here, we aim to evaluate Entinostat as a potential candidate for host-directed therapy against cholera in an experimental model...
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28438571/effect-of-intestinal-epithelial-autophagy-on-bacterial-translocation-in-severe-acute-pancreatitis
#12
Weiwei Wen, Hongmei Zheng, Yingjian Jiang, Luqiao Huang, Dehui Li, Jian Zhang, Dianliang Zhang
BACKGROUND AND OBJECTIVE: We examined the impact of autophagy activation on bacterial translocation (BT) and tight junction (TJ) proteins in the intestinal mucosa of patients with severe acute pancreatitis (SAP). METHODS: Thirty-one SAP patients were divided into two groups, BT(+) and BT(-), according to the presence of BT in the blood, as detected by 16S rDNA sequencing. Eight healthy individuals were included in the control group. Serum endotoxin levels were measured by ELISA...
April 21, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28438551/development-of-a-buccal-doxepin-platform-for-pain-in-oral-mucositis-derived-from-head-and-neck-cancer-treatment
#13
Roser Sanz, Ana C Calpena, Mireia Mallandrich, Álvaro Gimeno, Lyda Halbaut, Beatriz Clares
This study describes the development of semisolid formulations containing doxepin (DOX) for pain relief in oral mucositis, frequently related to chemotherapy and/or radiotherapy treatments in patients with head and neck cancer. Chemical permeation enhancers were evaluated and selected according to the results obtained from rheological studies, drug release, permeation and retention through buccal mucosa. Finally, the selected formulation was compared in vivo, with a reference DOX mouthwash, whose clinical efficacy had been previously reported...
April 21, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28438489/laryngopharyngeal-reflux-and-voice-disorders-a-multifactorial-model-of-etiology-and-pathophysiology
#14
REVIEW
Jerome R Lechien, Sven Saussez, Bernard Harmegnies, Camille Finck, James A Burns
OBJECTIVE: The aim of this paper is to shed light on the pathogenesis and pathophysiological mechanisms underlying the development of hoarseness related to laryngopharyngeal reflux disease (LPRD). MATERIAL AND METHODS: PubMed, Embase, and The Cochrane Library were searched for the terms reflux, laryngopharyngeal, laryngitis, voice, and hoarseness. Experimental and clinical studies providing substantial information about the occurrence of voice disorders, laryngeal histologic changes, or any pathophysiological processes related to LPRD were included by two independent investigators...
April 21, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28438394/gastric-foveolar-dysplasia-a-survey-of-reporting-habits-and-diagnostic-criteria
#15
Stefano Serra, Rola Ali, Adrian C Bateman, Kaushik Dasgupta, Vikram Deshpande, David K Driman, David Gibbons, Andrea Grin, Sara Hafezi-Bakhtiari, Kieran Sheahan, Amitabh Srivastava, Eva Szentgyorgyi, Rajkumar Vajpeyi, Shaun Walsh, Lai Mun Wang, Runjan Chetty
This study aimed to ascertain views, incidence of reporting and diagnostic criteria for gastric foveolar dysplasia. A questionnaire, a post-questionnaire discussion and microscopic assessment of selected cases was conducted by gastrointestinal pathologists to explore the above-stated aims. Fifty-four percent of respondents never or rarely diagnosed gastric foveolar-type dysplasia. The general consensus was that round nuclei, lack of nuclear stratification, presence of inflammation/damage and surface maturation favoured reactive change; while architectural abnormalities/complexity and nuclear enlargement mainly were used to separate low-grade from high-grade foveolar dysplasia...
April 21, 2017: Pathology
https://www.readbyqxmd.com/read/28438297/investigating-a-case-of-possible-field-cancerization-in-oral-squamous-cell-carcinoma-by-the-use-of-next-generation-sequencing
#16
Siavosh Tabatabaeifar, Martin J Larsen, Stine R Larsen, Torben A Kruse, Mads Thomassen, Jens A Sørensen
OBJECTIVES: Local recurrence and the development of second primary tumors (SPT) are important factors that can influence the survival rate of oral squamous cell carcinoma (OSCC) patients. We investigate the concept of field cancerization which proposes that normal tissue adjacent to the primary tumor harbor pre-neoplastic alterations that can lead to the development of local recurrence and SPTs. MATERIALS AND METHODS: To examine the concept of field cancerization, we applied whole-exome and targeted ultra-deep sequencing on 5 freshly frozen samples from a stage III OSCC patient from three tumor sites, lymph node metastasis and blood...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28438290/programmed-death-ligand-1-pd-l1-expression-and-tumor-microenvironment-implications-for-patients-with-oral-precancerous-lesions
#17
Takahiro Yagyuu, Kinta Hatakeyama, Mitsuhiko Imada, Miyako Kurihara, Yumiko Matsusue, Kazuhiko Yamamoto, Chiho Obayashi, Tadaaki Kirita
OBJECTIVES: Cancer immunoediting represents a relatively novel concept attempting to explain the process of tumor escape from the host immune system response. Here, we attempted to elucidate the role of programmed death ligand 1 (PD-L1), the tumor microenvironment, and tumor escape mechanisms that allow malignant transformation of oral precancerous lesions. MATERIALS AND METHODS: Patients with oral precancerous lesions managed at the Nara Medical University Hospital, Japan, (n=120) were enrolled in this study...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28438288/novel-quantitative-analysis-of-autofluorescence-images-for-oral-cancer-screening
#18
Tze-Ta Huang, Jehn-Shyun Huang, Yen-Yun Wang, Ken-Chung Chen, Tung-Yiu Wong, Yi-Chun Chen, Che-Wei Wu, Leong-Perng Chan, Yi-Chu Lin, Yu-Hsun Kao, Shoko Nioka, Shyng-Shiou F Yuan, Pau-Choo Chung
OBJECTIVES: VELscope® was developed to inspect oral mucosa autofluorescence. However, its accuracy is heavily dependent on the examining physician's experience. This study was aimed toward the development of a novel quantitative analysis of autofluorescence images for oral cancer screening. MATERIALS AND METHODS: Patients with either oral cancer or precancerous lesions and a control group with normal oral mucosa were enrolled in this study. White light images and VELscope® autofluorescence images of the lesions were taken with a digital camera...
May 2017: Oral Oncology
https://www.readbyqxmd.com/read/28438285/fungal-rhinosinusitis-a-radiological-review-with-intraoperative-correlation
#19
REVIEW
Elaine Ni Mhurchu, Javier Ospina, Arif S Janjua, Jason R Shewchuk, Alexandra T Vertinsky
The interaction between fungi and the sinonasal tract results in a range of clinical presentations with a broad spectrum of clinical severity. The most commonly accepted classification system divides fungal rhinosinusitis into invasive and noninvasive subtypes based on histopathological evidence of tissue invasion by fungi. Invasive fungal rhinosinusitis is subdivided into acute invasive and chronic invasive categories. The chronic invasive category includes a subcategory of chronic granulomatous disease. Noninvasive fungal disease includes localized fungal colonization, fungal ball, and allergic fungal rhinosinusitis...
May 2017: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/28438170/immunolocalization-of-steroidogenic-enzymes-in-the-vaginal-mucous-of-galea-spixii-during-the-estrous-cycle
#20
Amilton Cesar Dos Santos, Alan James Conley, Moacir Franco de Oliveira, Gleidson Benevides Oliveira, Diego Carvalho Viana, Antônio Chaves de Assis Neto
BACKGROUND: The synthesis of sex steroids is controlled by several enzymes such as17α-hydroxylase cytochrome P450 (P450c17) catalyzing androgen synthesis and aromatase cytochrome P450 (P450arom) catalyzing estrogen synthesis, both of which must complex with the redox partner NADPH-cytochrome P450 oxidoreductase (CPR) for activity. Previous studies have identified expression of steroidogenic enzymes in vaginal tissue, suggesting local sex steroid synthesis. The current studies investigate P450c17, P450aromatase and CPR expression in vaginal mucosa of Galea spixii (Spix cavy) by immuno-histochemical and western immunoblot analyses...
April 24, 2017: Reproductive Biology and Endocrinology: RB&E
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