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https://www.readbyqxmd.com/read/28535645/-effect-of-rapamycin-and-chloroquine-on-osteosarcoma
#1
W D Liu, W Sun, Y Q Hua, S G Wang, Z D Cai
Objective: To investigate the combination effect of anti-tumor agent rapamycin and anti-autophagy agent chloroquine on osteosarcoma. Methods: The inhibition effect of rapamycin or chloroquine and combination of both on human osteosarcoma cell line 143B measured with CCK-8 box.The combination index at different concentration was calculated, and the synergism effect range was analysed.The effect of combined therapy on cell cycle and apoptosis via flow cytometric was analyzted.Setting up murine subcutaneous xenograft model, the combination effect of antitumor in vivo observed...
May 23, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28535595/enhancement-of-carbon-and-nitrogen-removal-by-helophytes-along-subsurface-water-flowpaths-receiving-treated-wastewater
#2
Miquel Ribot, Susana Bernal, Myrto Nikolakopoulou, Timothy N Vaessen, Joaquín Cochero, Esperança Gacia, Albert Sorolla, Alba Argerich, Francesc Sabater, Manel Isnard, Eugènia Martí
Wastewater treatment plant (WWTP) effluents are sources of dissolved organic carbon (DOC) and inorganic nitrogen (DIN) to receiving streams, which can eventually become saturated by excess of DIN. Aquatic plants (i.e., helophytes) can modify subsurface water flowpaths as well as assimilate nutrients and enhance microbial activity in the rhizosphere, yet their ability to increase DIN transformation and removal in WWTP-influenced streams is poorly understood. We examined the influence of helophytes on DIN removal along subsurface water flowpaths and how this was associated with DOC removal and labile C availability...
May 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28535549/epidural-dexamethasone-influences-postoperative-analgesia-after-major-abdominal-surgery
#3
Jeong-Min Hong, Kyung-Hoon Kim, Hyeon Jeong Lee, Jae-Young Kwon, Hae-Kyu Kim, Hyae-Jin Kim, Ah-Reum Cho, Wang-Seok Do, Hyo Sung Kim
BACKGROUND: Epidurally administered dexamethasone might reduce postoperative pain. However, the effect of epidural administration of dexamethasone on postoperative epidural analgesia in major abdominal surgery has been doubtful. OBJECTIVES: To investigate the effects and optimal dose of epidural dexamethasone on pain after major abdominal surgery. STUDY DESIGN: A prospective randomized, double-blind study. SETTING: University hospital...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535496/the-diagnostic-challenge-of-low-grade-ductal-carcinoma-in-situ
#4
Tracy Onega, Donald L Weaver, Paul D Frederick, Kimberly H Allison, Anna N A Tosteson, Patricia A Carney, Berta M Geller, Gary M Longton, Heidi D Nelson, Natalia V Oster, Margaret S Pepe, Joann G Elmore
BACKGROUND: Diagnostic agreement among pathologists is 84% for ductal carcinoma in situ (DCIS). Studies of interpretive variation according to grade are limited. METHODS: A national sample of 115 pathologists interpreted 240 breast pathology test set cases in the Breast Pathology Study and their interpretations were compared to expert consensus interpretations. We assessed agreement of pathologists' interpretations with a consensus reference diagnosis of DCIS dichotomised into low- and high-grade lesions...
May 20, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28535478/the-effect-of-billboard-design-specifications-on-driving-a-pilot-study
#5
Hadas Marciano, Pe'erly Setter
Decades of research on the effects of advertising billboards on road accident rates, driver performance, and driver visual scanning behavior, has produced no conclusive findings. We suggest that road safety researchers should shift their focus and attempt to identify the billboard characteristics that are most distracting to drivers. This line of research may produce concrete guidelines for permissible billboards that would be likely to reduce the influence of the billboards on road safety. The current study is a first step towards this end...
May 20, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28535455/the-effectiveness-of-telemedicine-delivered-opioid-agonist-therapy-in-a-supervised-clinical-setting
#6
Joseph K Eibl, Graham Gauthier, David Pellegrini, Jeffery Daiter, Michael Varenbut, John C Hogenbirk, David C Marsh
OBJECTIVE: Opioid use disorder has been declared a public health crisis across North America and opioid agonist therapy (OAT) is the standard of care for these patients. Despite the increasing adoption of telemedicine as a delivery method for OAT, its effectiveness has not yet been evaluated against traditional in-person treatment. This study compared treatment outcomes for in-person versus telemedicine-delivered OAT. METHODS: We conducted a non-randomized cohort comparison study using an administrative database for patients who commenced OAT between 2011 and 2012 across 58 clinic sites in the province of Ontario, Canada...
May 17, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28535434/course-and-predictors-of-dsm-5-somatic-symptom-disorder-in-patients-with-vertigo-and-dizziness-symptoms-a-longitudinal-study
#7
Karina Limburg, Heribert Sattel, Andreas Dinkel, Katharina Radziej, Sandra Becker-Bense, Claas Lahmann
BACKGROUND: Somatic symptom disorder (SSD) is a diagnosis that was newly included in DSM-5. Currently, data on the course of SSD are largely lacking. The present study aimed to evaluate the natural course of SSD in a one-year follow-up study in patients with vertigo and dizziness (VD) symptoms. METHODS: We investigated n=239 outpatients presenting in a tertiary care neurological setting over a one-year period. Patients had a medical examination at baseline and completed self-report questionnaires, which were re-assessed after 12months...
May 12, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28535362/tympanostomy-tube-placement-vs-medical-management-for-recurrent-acute-otitis-media-in-tricare-insured-children
#8
Nikhila Raol, Meesha Sharma, Emily F Boss, Wei Jiang, John W Scott, Peter Learn, Joel S Weissman
Objective To compare number of infections and health care utilization in children insured by TRICARE with recurrent acute otitis media (RAOM) managed surgically with tympanostomy tube (TT) placement compared with those managed medically. Study Design Retrospective matched cohort study. Setting TRICARE claims database from 2006 to 2010. Subjects and Methods We matched TRICARE beneficiaries ≤5 years of age diagnosed with RAOM who underwent TT placement with those managed medically using 1:1 coarsened-exact matching on age, sex, race, sponsor rank, and region...
May 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28535314/team-training-in-family-medicine-residency-programs-and-its-impact-on-team-based-practice-post-graduation
#9
Patricia A Carney, Elaine Waller, Eve Dexter, Miguel Marino, Kelly Morton, Larry Green, Colleen T Fogarty, Samuel Jones, M Patrice Eiff
OBJECTIVE: Our objective was to examine perceptions of adequacy in team-based care training during residency and whether this influences practice choice post- residency training. METHODS: We analyzed self-administered survey data from recent residency graduates collected as part of the Preparing Personal Physicians for Practice (P4) Project to characterize residents' perceptions of adequacy of training they received on team-based care. Multivariable logistic regression was used to assess the association between adequacy of team-based care training and joining practices that use team-based care after residency graduation, adjusting for differences in demographics...
May 2017: Family Medicine
https://www.readbyqxmd.com/read/28535156/phase-ii-study-of-neoadjuvant-imatinib-in-large-gastrointestinal-stromal-tumours-of-the-stomach
#10
Yukinori Kurokawa, Han-Kwang Yang, Haruhiko Cho, Min-Hee Ryu, Toru Masuzawa, Sook Ryun Park, Sohei Matsumoto, Hyuk-Joon Lee, Hiroshi Honda, Oh Kyoung Kwon, Takashi Ishikawa, Kyung Hee Lee, Kazuhito Nabeshima, Seong-Ho Kong, Toshio Shimokawa, Jeong-Hwan Yook, Yuichiro Doki, Seock-Ah Im, Seiichi Hirota, Seokyung Hahn, Toshirou Nishida, Yoon-Koo Kang
BACKGROUND: Gastrointestinal stromal tumours (GISTs) with high-risk features have poor prognosis even if adjuvant treatment is given. Neoadjuvant imatinib may increase the cure rate by shrinking large GISTs and preserve organ function. METHODS: We conducted an Asian multinational phase II study for patients with gastric GISTs ≥10 cm. Patients received neoadjuvant imatinib (400 mg/day) for 6-9 months. The primary end point was R0 resection rate. RESULTS: A total of 56 patients were enroled in this study...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28535119/comparison-of-effectiveness-and-safety-of-treatment-with-apixaban-vs-other-oral-anticoagulants-among-elderly-nonvalvular-atrial-fibrillation-patients
#11
Steven Deitelzweig, Xuemei Luo, Kiran Gupta, Jeffrey Trocio, Jack Mardekian, Tammy Curtice, Melissa Lingohr-Smith, Brandy Menges, Jay Lin
OBJECTIVE: To compare the risk of stroke/systemic embolism (S/SE) and major bleeding (MB) of elderly (≥65 years of age) nonvalvular atrial fibrillation (NVAF) patients initiating apixaban vs. rivaroxaban, dabigatran, or warfarin. METHODS: NVAF patients with Medicare Advantage coverage in the US initiating oral anticoagulants (OACs, index event) were identified from the Humana database (1/1/2013-9/30/2015) and grouped into cohorts depending on OAC initiated. Propensity score matching (PSM), 1:1, was conducted among patients treated with apixaban vs...
May 23, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28535104/measuring-the-value-of-new-drugs-validity-and-reliability-of-4-value-assessment-frameworks-in-the-oncology-setting
#12
Tanya G K Bentley, Joshua T Cohen, Elena B Elkin, Julie Huynh, Arnab Mukherjea, Thanh H Neville, Matthew Mei, Ronda Copher, Russell Knoth, Ioana Popescu, Jackie Lee, Jenelle M Zambrano, Michael S Broder
BACKGROUND: Several organizations have developed frameworks to systematically assess the value of new drugs. OBJECTIVE: To evaluate the convergent validity and interrater reliability of 4 value frameworks to understand the extent to which these tools can facilitate value-based treatment decisions in oncology. METHODS: Eight panelists used the American Society of Clinical Oncology (ASCO), European Society for Medical Oncology (ESMO), Institute for Clinical and Economic Review (ICER), and National Comprehensive Cancer Network (NCCN) frameworks to conduct value assessments of 15 drugs for advanced lung and breast cancers and castration-refractory prostate cancer...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28534782/reinforce-an-ensemble-approach-for-inferring-ppi-network-from-ap-ms-data
#13
Bo Tian, Qiong Duan, Can Zhao, Ben Teng, Zengyou He
Affinity Purification-Mass Spectrometry (AP-MS) is one of the most important technologies for constructing protein-protein interaction (PPI) networks. In this paper, we propose an ensemble method, Reinforce, for inferring PPI network from AP-MS data set. The new algorithm named Reinforce is based on rank aggregation and false discovery rate control. Under the null hypothesis that the interaction scores from different scoring methods are randomly generated, Reinforce follows three steps to integrate multiple ranking results from different algorithms or different data sets...
May 17, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/28534346/the-use-of-inexpensive-broad-spectrum-lower-toxicity-therapeutics-in-chronic-lymphocytic-leukemia
#14
Goran Marjanovic
The use of new and highly efficient targeted therapies for chronic lymphocytic leukemia (CLL) is costly and out of reach for many health care systems. On the other hand, in recent years, few inexpensive, broad-spectrum low-toxicity therapeutics have proven to be effective both in the preclinical and clinical settings. In early-stage CLL, the use of 2000 mg of epigallocatechin-3-gallate (EGCG) from the green tea extract twice a day was able to reduce the absolute leukocyte count. Supplementation of >2000 IU/day of Vitamin D in early low-risk CLL patients is able to delay disease progression and postpone the moment of initiation of the first treatment...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28534338/-application-and-development-of-patient-derived-tumor-xenograft-model-in-translational-medicine-of-tumor
#15
Zhenqiang Wang, Zhenggang Zhu
Development of novel drugs is an integral part of the translational medicine in the field of cancer research, and the construction and application of preclinical animal models play vital roles in drugs development. Patient-derived tumor xenograft models (PDX) have been shown to be more accurate in prediction of clinical outcomes of novel drugs and are being used for preclinical drug evaluation based on the fact that PDX models mostly retain the principal histologic and genetic characteristics of their donor tumor...
May 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28534258/closed-incision-prophylactic-negative-pressure-wound-therapy-in-patients-undergoing-major-complex-abdominal-wall-repair
#16
F E E de Vries, J J Atema, O Lapid, M C Obdeijn, M A Boermeester
PURPOSE: To evaluate if incisional prophylactic negative pressure wound therapy (pNPWT) reduces wound infections and other wound complications in high-risk patients undergoing major complex ventral abdominal wall repair. METHODS: Retrospective before-after comparison nested in a consecutive series of patients undergoing elective major complex abdominal wall repair. Starting January 2014, pNPWT was applied on the closed incisional wound for a minimum of 5 days. To minimize selection bias, we compared two periods of 14 months before and after January 2014...
May 23, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28534239/analysis-of-screening-electrocardiogram-for-the-subcutaneous-defibrillator-in-adults-with-congenital-heart-disease
#17
Vincent C Thomas, Mark Peterson, Martin McDaniel, Humberto Restrepo, Abraham Rothman, Amit Jain
Candidates for the subcutaneous implantable cardioverter-defibrillator (S-ICD) are screened using an electrocardiogram (S-ECG) tool to measure appropriate detection. We sought to define the S-ICD candidacy of congenital heart disease patients using the S-ECG tool. We also analyzed the reliability of the (S-ECG) tool between measurers in this population. Patients above the age of 12 and with a diagnosis associated with either a higher incidence of cardiac arrest or vascular access challenges were asked to undergo screening...
May 22, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28534128/cathepsin-l-activity-correlates-with-proteinuria-in-chronic-kidney-disease-in-humans
#18
Yu Cao, Xing Liu, Ying Li, Yao Lu, Hua Zhong, Weihong Jiang, Alex F Chen, Timothy R Billiar, Hong Yuan, Jingjing Cai
BACKGROUND: The presence and severity of proteinuria is considered an important prognostic marker in patients with chronic kidney disease (CKD) and is associated with mortality and morbidity. Cathepsin L is highly expressed in the foot processes of podocytes in the kidney, which serves as an ultrafiltration barrier. Cathepsin L is also up-regulated in the setting of inflammation as a feature of CKD. Therefore, we postulated that proteinuria severity in CKD patients might correlate with increased serum levels of cathepsin L...
May 22, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28534059/cryo-mesh-a-simple-alternative-cryopreservation-protocol
#19
B Funnekotter, E Bunn, R L Mancera
BACKGROUND: The continued development of new cryopreservation protocols has improved post-cryogenic success rates for a wide variety of plant species. Methods like the cryo-plate have proven beneficial in simplifying the cryopreservation procedure. OBJECTIVE: This study assessed the practicality of a stainless steel mesh strip (cryo-mesh) for cryopreserving shoot tips from Anigozanthos viridis. MATERIALS AND METHODS: Shoot tips of A. viridis (Kangaroo Paw) were precultured on 0...
March 2017: Cryo Letters
https://www.readbyqxmd.com/read/28534026/how-cells-can-control-their-size-by-pumping-ions
#20
Alan R Kay
The ability of all cells to set and regulate their size is a fundamental aspect of cellular physiology. It has been known for sometime but not widely so, that size stability in animal cells is dependent upon the operation of the sodium pump, through the so-called pump-leak mechanism (Tosteson and Hoffman, 1960). Impermeant molecules in cells establish an unstable osmotic condition, the Donnan effect, which is counteracted by the operation of the sodium pump, creating an asymmetry in the distribution of Na(+) and K(+) staving off water inundation...
2017: Frontiers in Cell and Developmental Biology
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