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https://www.readbyqxmd.com/read/28346650/submandibular-salivary-gland-tumors-clinical-course-and-outcome-of-a-20-year-multicenter-study
#1
Aviram Mizrachi, Gideon Bachar, Yaron Unger, Ohad Hilly, Dan M Fliss, Thomas Shpitzer
The purpose of this retrospective chart review study was to review the nature and clinical course of benign and malignant submandibular gland tumors at 2 major university-affiliated tertiary medical centers. All patients who underwent submandibular salivary gland excision between 1990 and 2010 were included. Clinical and disease-related data were collected from the medical charts. One hundred ninety-three patients were identified, of whom 108 (56%) had non-neoplastic disorders (sialolithiasis and sialadenitis)...
March 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28346434/optimization-of-adeno-associated-virus-vector-mediated-gene-transfer-to-the-respiratory-tract
#2
F Kurosaki, R Uchibori, N Mato, Y Sehara, Y Saga, M Urabe, H Mizukami, Y Sugiyama, A Kume
An efficient adeno-associated virus (AAV) vector was constructed for the treatment of respiratory diseases. AAV serotypes, promoters, and routes of administration potentially influencing the efficiency of gene transfer to airway cells were examined in the present study. Among the nine AAV serotypes (AAV1-9) screened in vitro and four serotypes (AAV1, 2, 6, 9) evaluated in vivo, AAV6 showed the strongest transgene expression. As for promoters, the cytomegalovirus (CMV) early enhancer/chicken β-actin (CAG) promoter resulted in more robust transduction than the CMV promoter...
March 27, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28346090/identifying-inhibitors-of-the-hsp90-aha1-protein-complex-a-potential-target-to-drug-cystic-fibrosis-by-alpha-technology
#3
Verena Ihrig, Wolfgang M J Obermann
Deletion of a single phenylalanine residue at position 508 of the protein CFTR (cystic fibrosis transmembrane conductance regulator), a chloride channel in lung epithelium, is the most common cause for cystic fibrosis. As a consequence, folding of the CFTRΔF508 protein and delivery to the cell surface are compromised, resulting in degradation of the polypeptide. Accordingly, decreased surface presence of CFTRΔF508 causes impaired chloride ion conductivity and is associated with mucus accumulation, a hallmark of cystic fibrosis...
January 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28345623/liposomes-loaded-with-bioactive-lipids-enhance-antibacterial-innate-immunity-irrespective-of-drug-resistance
#4
Noemi Poerio, Francesca Bugli, Francesco Taus, Marilina B Santucci, Carlo Rodolfo, Francesco Cecconi, Riccardo Torelli, Francesco Varone, Riccardo Inchingolo, Fabio Majo, Vincenzina Lucidi, Sabrina Mariotti, Roberto Nisini, Maurizio Sanguinetti, Maurizio Fraziano
Phagocytosis is a key mechanism of innate immunity, and promotion of phagosome maturation may represent a therapeutic target to enhance antibacterial host response. Phagosome maturation is favored by the timely and coordinated intervention of lipids and may be altered in infections. Here we used apoptotic body-like liposomes (ABL) to selectively deliver bioactive lipids to innate cells, and then tested their function in models of pathogen-inhibited and host-impaired phagosome maturation. Stimulation of macrophages with ABLs carrying phosphatidic acid (PA), phosphatidylinositol 3-phosphate (PI3P) or PI5P increased intracellular killing of BCG, by inducing phagosome acidification and ROS generation...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345252/amplification-of-fsh-signaling-by-cftr-and-nuclear-soluble-adenylyl-cyclase-in-the-ovary
#5
Hui Chen, Hsiao Chang Chan
cAMP/PKA pathway is one of the most important signaling pathways widely distributed in most eukaryotic cells. The activation of the canonical cAMP/PKA pathway depends on transmembrane adenylyl cyclase (tmAC). Recently, soluble adenylyl cyclase (sAC), which is activated by HCO3(-) or Ca(2+) , emerges to provide an alternative way to activate cAMP/PKA pathway with the cystic fibrosis transmembrane conductance regulator (CFTR), a cAMP-activated Cl(-) / HCO3(-) -conducting anion channel, as a key player. This review summarizes new progress in the investigation of the CFTR/HCO3(-) -dependent sAC signaling and its essential role in various reproductive processes, particularly in ovarian functions...
March 27, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28345065/diabetic-ketoacidosis-as-the-presenting-manifestation-of-pancreatic-adenocarcinoma-with-cystic-features
#6
Tezcan Kaya, Sumeyye Korkmaz, Erdem Vargol, Alper Karacan, Hakan Cinemre
The common presenting symptoms of pancreatic cancer are abdominal pain, weight loss, and jaundice. Pancreatic adenocarcinoma presenting with diabetic ketoacidosis is a very rare emergent clinical condition. However, pancreatic ductal cystadenocarcinoma presenting with diabetic ketoacidosis was not reported. We describe a 60-year-old man with pancreatic cystadenocarcinoma presenting with diabetic ketoacidosis as the initial manifestation. It must be kept in mind that in diabetic ketoacidosis cases, the precipitating factor may be pancreatic ductal cystadenocarcinoma...
March 2017: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28344981/the-effects-of-exogenous-lipid-on-thp-1-cells-an-in-vitro-model-of-airway-aspiration
#7
Yvette A Hayman, Laura R Sadofsky, James D Williamson, Simon P Hart, Alyn H Morice
Chronic inflammatory diseases of the airways are associated with gastro-oesophageal reflux (GOR) and aspiration events. The observation of lipid-laden macrophages (LLMs) within the airway may indicate aspiration secondary to GOR. The proposed mechanism, that lipid droplets from undigested or partially digested food are aspirated leading to accumulation in scavenging macrophages, led us to hypothesise that an activated population of LLMs could interact with other immune cells to induce bronchial inflammation...
January 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28344685/focal-biliary-system-obstruction-and-atypical-liver-mass-intrabiliary-ruptured-cyst-hydatid-case-report
#8
Esra Ummuhan Mermi, Nurdan Fidan, Muammer Murat
BACKGROUND: Hydatid disease can involve any part of the body, but the liver is the most frequently affected organ. Intrabiliary rupture is one of the most serious complications of a hepatic hydatid cyst. Radiological findings, especially magnetic resonance imaging and magnetic resonance cholangiopancreatography (MRI/MRCP), are helpful in the diagnosis of hydatid disease. CASE REPORT: We present a 48-year-old female patient with complaints of abdominal pain and jaundice...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28344137/non-classic-cystic-fibrosis-the-value-in-family-history
#9
Justin K Lui, Joseph Kilch, Svetlana Fridlyand, Abduljabbar Dheyab, Christine Bielick Kotkowski
No abstract text is available yet for this article.
March 23, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28343174/mirna-analysis-in-pancreatic-cancer-the-dartmouth-experience
#10
Francine B de Abreu, Xiaoying Liu, Gregory J Tsongalis
Pancreatic cancer is considered one of the most lethal cancers being the fourth leading cause of cancer deaths in adults in the United States because of the lack of early signs and symptoms and the lack of early detection. Pancreatic ductal adenocarcinoma (PDAC) is the most common histological type among pancreatic cancers, representing 80%-90% of all solid tumors of the pancreas. The majority of PDAC develops from three precursor lesions: pancreatic intraepithelial neoplasia, intraductual papillary mucinous neoplasm and mucinous cystic neoplasm...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28343002/pulmonary-metastatic-angiosarcoma-from-scalp-with-fatal-complication-a-case-report
#11
Yung-Sheng Cheng, Tim-Mo Chen, Wen-Chiuan Tsai, Tsai-Wang Huang
INTRODUCTION: Angiosarcoma is a rare malignant neoplasm with poor prognosis. Angiosarcoma of the scalp is frequently recurs locally, and metastasizes early despite various treatments. The common sites of metastatic are lung, liver, and lymph nodes. Pulmonary metastasis with hemoptysis and pneumothorax is rare but threatening. PRESENTATION OF CASE: A 77-year-old male had recurrent angiosarcoma of the scalp even with post operation radiotherapy. At the same time, recurrent pneumothorax was noted, thus he underwent wedge resection of the right upper lobe of the lung plus pleural biopsy...
February 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28342743/measurement-of-ion-fluxes-across-epithelia
#12
REVIEW
Miroslaw Zajac, Krzysztof Dolowy
Epithelial tissues line all wet surfaces of vertebrate bodies. Their major function is directional transport of ions and water. Cells forming an epithelial layer are bound together by a tight junction that forms a barrier to ion flux. Ions and water are transported via specialized molecules. The presence of a defect in a single ion channel molecule leads to cystic fibrosis - the most common, fatal, human genetic disease. The paper describes ion transport data obtained by means of different experimental techniques...
March 22, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28342650/subtotal-cholecystectomy-for-the-hostile-gallbladder-failure-to-control-the-cystic-duct-results-in-significant-morbidity
#13
Michael E Lidsky, Paul J Speicher, Brian Ezekian, Edwin W Holt, Daniel P Nussbaum, Anthony W Castleberry, Alexander Perez, Theodore N Pappas
BACKGROUND: Outcomes following the inability to control the cystic duct due to a hostile triangle of Calot during cholecystectomy remain unknown. The purpose of this study was to analyze the safety and efficacy of subtotal cholecystectomy, with attention to the necessity for secondary interventions. METHODS: Sixteen thousand five hundred ninety six cholecystectomies from January 2002 to August 2014 were reviewed, identifying patients managed with subtotal cholecystectomy, defined as the inability to isolate/transect the cystic duct...
March 22, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28342127/robotic-single-site-plus-one-port-distal-pancreatectomy
#14
Sung Hyun Kim, Chang Moo Kang, Woo Jung Lee
Laparoscopic distal pancreatectomy is regarded as safe and effective surgical approach in benign and low-grade malignant tumor of the pancreas. With the advances of laparoscopic techniques and instruments, many efforts to reduce the number of the trocar site has been made. There are a few available surgical techniques of laparoscopic single-site (single port or reduced port) distal pancreatectomy, suggesting its safety and feasibility. However, it is true that laparoscopic single-site distal pancreatectomy is difficult and technically quite demanding...
March 24, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28341817/impairment-of-macrophage-presenting-ability-and-viability-by-echinococcus-granulosus-antigens
#15
Naceur Mejri, Imed Eddine Hassen, Jenny Knapp, Mouldi Saidi
BACKGROUND: Despite advances toward an improved understanding of the evasive mechanisms leading to the establishment of cystic echinococcosis, the discovery of specific immunosuppressive mechanisms and related factors are of great interest in the development of an immunotherapeutic approach. OBJECTIVE: To elucidate immunosuppressive effects of bioactive factors contained in chromatographic fractions from hydatid cystic fluid (HCF) of Echinococcus granulosus. METHODS: Hydatid cystic fluid was fractionated by reverse phase chromatography...
March 2017: Iranian Journal of Immunology: IJI
https://www.readbyqxmd.com/read/28341276/lung-metastasectomy-in-adenoid-cystic-cancer-is-it-worth-it
#16
Lara Girelli, Laura Locati, Carlotta Galeone, Paolo Scanagatta, Leonardo Duranti, Lisa Licitra, Ugo Pastorino
BACKGROUND AND PURPOSE: Adenoid cystic carcinoma (ACC) of salivary glands is characterized by long-term distant metastasis, most commonly in lungs. No agreement has been reached about the role of surgical treatment of pulmonary lesions. We evaluated the long-term results of lung metastasectomy for ACC in order to identify factors that should be taken into account in selecting patients eligible for surgery and treatment planning. PATIENTS AND METHODS: A retrospective study was conducted on 109 patients selected from our institutional experience and from the International Registry of Lung Metastases...
February 2017: Oral Oncology
https://www.readbyqxmd.com/read/28341273/branched-chain-amino-acids-enhance-cyst-development-in-autosomal-dominant-polycystic-kidney-disease
#17
Junya Yamamoto, Saori Nishio, Fumihiko Hattanda, Daigo Nakazawa, Toru Kimura, Michio Sata, Minoru Makita, Yasunobu Ishikawa, Tatsuya Atsumi
Autosomal dominant polycystic kidney disease (ADPKD) is characterized by the progressive development of kidney and liver cysts. The mammalian target of rapamycin (mTOR) cascade is one of the important pathways regulating cyst growth in ADPKD. Branched-chain amino acids (BCAAs), including leucine, play a crucial role to activate mTOR pathway. Therefore, we administered BCAA dissolved in the drinking water to Pkd1(flox/flox):Mx1-Cre (cystic) mice from four to 22 weeks of age after polyinosinic-polycytidylic acid-induced conditional Pkd1 knockout at two weeks of age...
March 21, 2017: Kidney International
https://www.readbyqxmd.com/read/28341265/does-a-titanium-sleeve-reduce-the-frequency-of-pseudotumors-in-metal-on-metal-total-hip-arthroplasty-at-5-7years-follow-up
#18
M H Hjorth, N Egund, I Mechlenburg, J Gelineck, S S Jakobsen, K Soballe, M Stilling
INTRODUCTION: Little is known about pseudotumor frequency and risk factors for pseudotumor formation among different types of metal-on-metal (MoM) hip arthroplasties. A lower release of chromium and cobalt have been reported in MoM hip arthroplasties with a titanium sleeve compared to MoM designs without a titanium sleeve, but yet it is unknown whether a titanium sleeve reduces the pseudotumor frequency. We conducted a cross-sectional study to investigate: 1) pseudotumor frequency, 2) risk factors of pseudotumor formation 3) and correlations between pseudotumors, serum metal-ions, implant position, and clinical symptoms...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28341240/overexpression-of-exogenous-kidney-specific-ngal-attenuates-progressive-cyst-development-and-prolongs-lifespan-in-a-murine-model-of-polycystic-kidney-disease
#19
Ellian Wang, Yuan-Yow Chiou, Wen-Yih Jeng, Hsiu-Kuan Lin, Hsi-Hui Lin, Hsian-Jean Chin, Chi-Kuang Leo Wang, Shang-Shiuan Yu, Shih-Chieh Tsai, Chih-Ying Chiang, Po-Hao Cheng, Hong-Jie Lin, Si-Tse Jiang, Sou-Tyau Chiu, Hsiu Mei Hsieh-Li
Neutrophil gelatinase-associated lipocalin (Ngal) is a biomarker for acute and chronic renal injuries, including polycystic kidney disease (PKD). However, the effect of Ngal on PKD progression remains unexplored. To study this, we generated 3 strains of mice with different expression levels of Ngal within an established PKD model (Pkd1(L3/L3)): Pkd1(L3/L3) (with endogenous Ngal), Pkd1(L3/L3); Ngal(Tg/Tg) (with endogenous and overexpression of exogenous kidney-specific Ngal) and Pkd1(L3/L3); Ngal(-/-) mice (with Ngal deficiency)...
February 2017: Kidney International
https://www.readbyqxmd.com/read/28341060/dose-dependent-treatment-with-isotretinoin-induces-more-changes-in-the-ileum-than-in-the-duodenum-and-jejunum-in-wistar-rats
#20
B F Thomazini, M A H Dolder
Acne is the most common skin disorder and can directly affect the patients' self-esteem. Systemic treatment has been indicated for nodular, cystic or persistent acne rather than another type of treatment, such as a topic one. Isotretinoin is an analogue of vitamin A and by suppressing the sebaceous glands the disease can be controlled. This study was designed to mimic the treatment performed in young patients using the dosage of 1mg/kg, and a higher one of 10mg/kg, for 60days in young male Wistar rats. 24 Wistar rats were divided into four groups: control(water), D0(soybean oil, control group), D1(1mg/kg of Isotretinoin solution), D10(10mg/kg of Isotretinoin solution)...
March 9, 2017: Tissue & Cell
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