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https://www.readbyqxmd.com/read/28931215/berberine-could-inhibit-thyroid-carcinoma-cells-by-inducing-mitochondrial-apoptosis-g0-g1-cell-cycle-arrest-and-suppressing-migration-via-pi3k-akt-and-mapk-signaling-pathways
#1
Liang Li, Xingchun Wang, Rampersad Sharvan, Jingyang Gao, Shen Qu
Berberine, an important natural isoquinoline alkaloid from traditional Chinese medicine, is reported to exhibit multiple pharmacological properties, including anti-microbial, anti-diabetes, anti-obesity, anti-inflammatory and anti-carcinogenic activities. Although studies have shown that a wide range of carcinoma cells could be inhibited by berberine, few studies involved thyroid carcinoma. We therefore examined the effect of berberine on papillary thyroid carcinoma (PTC, the most common subtype) and anaplastic thyroid carcinoma (ATC, the most malignant and aggressive subtype)...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28931212/temozolomide-resistant-human-brain-tumor-stem-cells-are-susceptible-to-recombinant-vesicular-stomatitis-virus-and-double-deleted-vaccinia-virus-in-vitro
#2
Bin Jiang, Xueqing Lun, Xiaoguang Hao, Yihua Wang, Xin Yin, Dezhang Huang, Wei He, Zhigang Wang
BACKGROUND: Malignant glioma still has a poor prognosis and remains incurable. Although temozolomide (TMZ) has demonstrated antitumor activity, its use recently has been halted because of some patients' resistance to this drug. New treatments are desperately needed. An oncolytic virus (virotherapy) is being developed as a novel cancer therapy. We have previously reported that recombinant Vesicular Stomatitis Virus (VSV-ΔM51) and double deleted Vaccinia Virus (vvDD) infected and killed glioma cell lines in vitro and prolonged survival in animal glioma models...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28931210/long-noncoding-rna-pcat-1-promotes-invasion-and-metastasis-via-the-mir-129-5p-hmgb1-signaling-pathway-in-hepatocellular-carcinoma
#3
Deyuan Zhang, Jinyu Cao, Qingling Zhong, Liangtao Zeng, Chang Cai, Lang Lei, Wen Zhang, Fanrong Liu
OBJECTIVE: The long non-coding RNA (lncRNA) prostate cancer-associated transcript 1(PCAT-1) has been shown to be dysregulated and exert vital roles in tumorigenesis and progression of various malignancies. However, the precise molecular mechanism in the metastasis and invasion of HCC remain unclear. METHODS: The expression levels of PCAT1 derived from human HCC tissues and cell lines were analyzed through quantitative real-time PCR. QRT-PCR was also applied to detect the expression of HMGB1 and miR-129-5p...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28931199/maxillary-sinus-mucoceles-and-other-side-effects-of-external-beam-radiation-in-the-pediatric-patient-a-cautionary-tale
#4
Anthony Sheyn, Tate Naylor, Felicity Lenes-Voit, Eric Berg
A sinonasal mucocele can develop after the obstruction of a sinus ostium, which can occur secondary to trauma, infection, a neoplasm, or an iatrogenic cause. These mucoceles typically arise in the frontal and ethmoid sinuses. Sinonasal mucoceles are epithelium-lined cysts that can gradually expand to fill a paranasal sinus. They can present with ophthalmologic, rhinologic, and neurologic symptoms. There are reports in the literature of sinonasal mucocele development after radiation for nasopharyngeal carcinoma...
September 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28931179/evaluation-of-the-interference-of-hemoglobin-variant-j-bangkok-on-glycated-hemoglobin-hba1c-measurement-by-five-different-methods
#5
Dong-Mei Wen, Sheng-Nan Xu, Wei-Jia Wang, Xiu-Ming Zhang, Ming-Huan Suo, De-Cai Zhang
Objective The interference of the hemoglobin variant (Hb J-Bangkok) was evaluated on 4 different glycated hemoglobin assays and compared with a reference immuno assay. Methods An overall test of coincidence of 2 least-squares linear regression lines was performed to determine whether the presence of Hb J-Bangkok caused a statistically significant difference in HbA1c results compared with a reference immuno assay. Statistical analysis was performed on the difference of the estimated average glucose calculated from HbA1c values and fasting plasma glucose in the Hb J-Bangkok variant group using the different detection systems...
September 20, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28931104/-molecular-diagnostics-of-alk-positive-lung-cancer
#6
József Tímár, Gábor Lotz, Erzsébet Rásó, Judit Moldvay
ALK translocation is the 3rd most frequent genetic aberration in lung adenocarcinoma, and several inhibitors are now clinically available in first and second line settings. Accordingly, molecular diagnostics of ALK-positive lung cancer is very important and can be done with the rational combination of several methods. All international recommendations suggest that, except for cytological samples, screening technology for ALK-positive tumors is immunohistochemistry using a validated test. It is highly recommended that in case of ALK protein positive samples gene translocation must be confirmed by fluorescent in situ hybridization (FISH)...
September 20, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28931074/genetic-and-phenotypic-effects-of-chromosome-segments-introgressed-from-gossypium-barbadense-into-gossypium-hirsutum
#7
Weiwu Song, Mi Wang, Wei Su, Quanwei Lu, Xianghui Xiao, Juan Cai, Zhen Zhang, Shaoqi Li, Pengtao Li, Juwu Gong, Wankui Gong, Haihong Shang, Aiying Liu, Junwen Li, Tingting Chen, Qun Ge, Yuzhen Shi, Youlu Yuan
MBI9915 is an introgression cotton line with excellent fiber quality. It was obtained by advanced backcrossing and continuous inbreeding from an interspecific cross between the upland cotton (Gossypium hirsutum) cultivar CCRI36 as the recurrent parent and the sea island cotton (G. barbadense) cultivar Hai1, as the donor parent. To study the genetic effects of the introgressed chromosome segments in G. hirsutum, an F2 secondary segregating population of 1537 individuals was created by crossing MBI9915 and CCRI36, and an F2:3 population was created by randomly selecting 347 individuals from the F2 generation...
2017: PloS One
https://www.readbyqxmd.com/read/28931069/methylation-associated-transcriptional-repression-of-elovl5-in-novel-colorectal-cancer-cell-lines
#8
Arnoud Boot, Jan Oosting, Jaap D H van Eendenburg, Peter J K Kuppen, Hans Morreau, Tom van Wezel
Genetic and epigenetic alterations mark colorectal cancer (CRC). Global hypomethylation is observed in nearly all CRC, but a distinct subset of CRC show the CpG Island Methylator Phenotype (CIMP). These tumors show DNA hypermethylation of a specific subset of CpG islands, resulting in transcriptional downregulation of nearby genes. Recently we reported the establishment of novel CRC cell lines derived from primary and metastatic CRC tissues. In this study we describe the DNA methylation profiling of these low passage CRC cell lines...
2017: PloS One
https://www.readbyqxmd.com/read/28931068/erk1-2-signalling-protects-against-apoptosis-following-endoplasmic-reticulum-stress-but-cannot-provide-long-term-protection-against-bax-bak-independent-cell-death
#9
Nicola J Darling, Kathryn Balmanno, Simon J Cook
Disruption of protein folding in the endoplasmic reticulum (ER) causes ER stress. Activation of the unfolded protein response (UPR) acts to restore protein homeostasis or, if ER stress is severe or persistent, drive apoptosis, which is thought to proceed through the cell intrinsic, mitochondrial pathway. Indeed, cells that lack the key executioner proteins BAX and BAK are protected from ER stress-induced apoptosis. Here we show that chronic ER stress causes the progressive inhibition of the extracellular signal-regulated kinase (ERK1/2) signalling pathway...
2017: PloS One
https://www.readbyqxmd.com/read/28931046/clinical-relevance-of-histologic-subtypes-in-locally-advanced-esophageal-carcinoma-treated-with-pre-operative-chemoradiotherapy-experience-of-a-monographic-oncologic-centre
#10
Maria Saigí, Marc Oliva, Luisa Aliste, Mariona Calvo, Gloria Hormigo, Òlbia Serra, Anna Boladeras, Leandre Farran, Javier Robles, Gloria Creus, Ma José Paúles, Joan B Gornals, Eugenia de Lama, Josep Ma Borràs, Núria Sala, Maica Galán
BACKGROUND: Locally advanced esophageal carcinoma (LAEC) represents less than 30% of all diagnosed esophageal carcinoma worldwide. The standard of care for resectable tumours consists of preoperative chemoradiotherapy (CRT) followed by surgery. Despite the curative intent, the prognosis is still poor mainly due to relapse. A multidisciplinary approach is required in order to optimize the therapeutic strategy and follow-up. Differences in outcomes between the two main histological subtypes, adenocarcinoma (ADC) and squamous cell carcinoma (SCC), have been reported...
2017: PloS One
https://www.readbyqxmd.com/read/28931042/evaluation-of-the-cytotoxicity-of-the-bithionol-paclitaxel-combination-in-a-panel-of-human-ovarian-cancer-cell-lines
#11
Vijayalakshmi N Ayyagari, Paula L Diaz-Sylvester, Tsung-Han Jeff Hsieh, Laurent Brard
Previously, Bithionol (BT) was shown to enhance the chemosensitivity of ovarian cancer cell lines to cisplatin treatment. In the present study, we focused on the anti-tumor potential of the BT-paclitaxel combination when added to a panel of ovarian cancer cell lines. This in vitro study aimed to 1) determine the optimum schedule for combination of BT and paclitaxel and 2) assess the nature and mechanism(s) underlying BT-paclitaxel interactions. The cytotoxic effects of both drugs either alone or in combination were assessed by presto-blue cell viability assay using six human ovarian cancer cell lines...
2017: PloS One
https://www.readbyqxmd.com/read/28931028/the-efficacy-of-extracorporeal-shockwave-lithotripsy-for-symptomatic-ureteral-stones-predictors-of-treatment-failure-without-the-assistance-of-computed-tomography
#12
Bing-Juin Chiang, Chun-Hou Liao, Yu-Hua Lin
OBJECTIVES: Non-contrast computed tomography (NCCT) is not always performed clinically if the diagnosis of ureteral calculi has been confirmed using other radiographic imaging modalities. The aim of this study was to identify predictors of successful extracorporeal shockwave lithotripsy (ESWL) without assistance of NCCT. METHODS: We retrospectively reviewed the medical records of patients with symptomatic solitary ureteral stones who underwent ESWL between November 2015 and January 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28931010/response-to-folfirinox-by-gender-in-patients-with-metastatic-pancreatic-cancer-results-from-the-prodige-4-accord-11-randomized-trial
#13
Aurélien Lambert, Marta Jarlier, Sophie Gourgou Bourgade, Thierry Conroy
BACKGROUND: Hohla et al. suggested that female gender could positively predict response to FOLFIRINOX in patients with advanced pancreatic cancer. In this study, we explored the response to the FOLFIRINOX regimen by gender within the trial PRODIGE4/ACCORD 11. PATIENTS AND METHODS: Data were described by gender, both in FOLFIRINOX group and in the intention-to-treat population of the trial. The relative effect of gender (females in comparison to males) on overall survival (OS) and progression-free survival was estimated by using a Cox proportional hazard model and was presented with the Hazard Ratio and their 95% confidence interval...
2017: PloS One
https://www.readbyqxmd.com/read/28930993/confocal-imaging-of-neuropeptide-y-phluorin-a-technique-to-visualize-insulin-granule-exocytosis-in-intact-murine-and-human-islets
#14
Madina Makhmutova, Tao Liang, Herbert Gaisano, Alejandro Caicedo, Joana Almaça
Insulin secretion plays a central role in glucose homeostasis under normal physiological conditions as well as in disease. Current approaches to study insulin granule exocytosis either use electrophysiology or microscopy coupled to the expression of fluorescent reporters. However most of these techniques have been optimized for clonal cell lines or require dissociating pancreatic islets. In contrast, the method presented here allows for real time visualization of insulin granule exocytosis in intact pancreatic islets...
September 13, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930982/development-of-a-human-preclinical-model-of-osteoclastogenesis-from-peripheral-blood-monocytes-co-cultured-with-breast-cancer-cell-lines
#15
Laura Mercatali, Chiara Spadazzi, Giacomo Miserocchi, Chiara Liverani, Alessandro De Vita, Alberto Bongiovanni, Federica Recine, Dino Amadori, Toni Ibrahim
The crosstalk between tumor cells and bone cells in the bone microenvironment is crucial to understanding the mechanism of bone metastasis formation. We developed an in vitro fully human preclinical model of a co-culture of breast cancer cells and monocytes undergoing differentiation towards osteoclasts. We optimized a model of osteoclastogenesis starting from a sample of peripheral blood collected from healthy donors. Peripheral blood mononuclear cells (PBMCs) were first separated by density gradient centrifugation, seeded at a high density and induced to differentiate by adding two growth factors (GFs): receptor activator of nuclear factor-κB ligand (RANKL) and macrophage colony-stimulating factor (MCSF)...
September 13, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930981/generation-of-prostate-cancer-cell-models-of-resistance-to-the-anti-mitotic-agent-docetaxel
#16
Lisa Mohr, Marc Carceles-Cordon, Jungreem Woo, Carlos Cordon-Cardo, Josep Domingo-Domenech, Veronica Rodriguez-Bravo
Microtubule targeting agents (MTAs) are a mainstay in the treatment of a wide range of tumors. However, acquired resistance to chemotherapeutic drugs is a common mechanism of disease progression and a prognostic-determinant feature of malignant tumors. In prostate cancer (PC), resistance to MTAs such as the taxane Docetaxel dictates treatment failure as well as progression towards lethal stages of disease that are defined by a poor prognosis and high mortality rates. Though studied for decades, the array of mechanisms contributing to acquired resistance are not completely understood, and thus pose a significant limitation to the development of new therapeutic strategies that could benefit patients in these advanced stages of disease...
September 8, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930974/procedure-and-key-optimization-strategies-for-an-automated-capillary-electrophoretic-based-immunoassay-method
#17
Gail M Nelson, Jenna M Guynn, Brian N Chorley
New technologies that utilize capillary-based immunoassays promise faster and more quantitative protein assessment compared to traditional immunoassays. However, similar to other antibody-based protein assays, optimization of capillary-based immunoassay parameters, such as protein concentration, antibody dilution, and exposure time is an important prerequisite to the generation of meaningful and reliable data. Measurements must fall within the linear range of the assay where changes in signal are directly proportional to changes in lysate concentration...
September 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930972/study-of-protein-protein-interactions-in-autophagy-research
#18
Secil Erbil-Bilir, Nur M Kocaturk, Melih Yayli, Devrim Gozuacik
Protein-protein interactions are important for understanding cellular signaling cascades and identifying novel pathway components and protein dynamics. The majority of cellular activities require physical interactions between proteins. To analyze and map these interactions, various experimental techniques as well as bioinformatics tools were developed. Autophagy is a cellular recycling mechanism that allows the cells to cope with different stressors, including nutrient deprivation, chemicals, and hypoxia. In order to better understand autophagy-related signaling events and to discover novel factors that regulate protein complexes in autophagy, we performed protein-protein interaction screens...
September 9, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930878/performance-of-future-elite-players-at-the-nfl-scouting-combine
#19
David P Hedlund
The purpose of this study is to examine players' physical and performance measures taken at the NFL Scouting Combine and compare these to their future performance in the NFL. From 2002-2016, three types of player data (N=5,506) were collected from secondary data sources. Results players earned on various NFL Scouting Combine drills and measurements (e.g., height, weight, 40-yard dash time, vertical jump, bench press repetitions, shuttle run time, and 3-cone drill time), the position players play on the field (e...
September 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28930804/venous-thromboembolism-in-gynecological-malignancy
#20
Abigail Cohen, Chung Sim Lim, Alun Huw Davies
OBJECTIVE: Venous thromboembolism (VTE) is a recognized complication of gynecological malignancy and represents a leading cause of morbidity and mortality in these patients. The review aimed to discuss the incidence, risk factors, and clinical presentation of VTE before examining the literature on the diagnosis, prevention, and management in the context of uterine, cervical, ovarian, and vulval cancers. METHODS/MATERIALS: A literature search was performed using Ovid Medline and Embase with the following words: "gynecological malignancy," "pelvic tumor," "venous thromboembolism," "deep vein thrombosis" and "pulmonary embolism...
September 19, 2017: International Journal of Gynecological Cancer
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