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https://www.readbyqxmd.com/read/29792881/the-temporal-association-of-robotic-surgical-diffusion-with-overtreatment-of-the-small-renal-mass
#1
Paras H Shah, Manaf A Alom, Bradley C Leibovich, R Houston Thompson, Robert G Uzzo, Louis R Kavoussi, Lee Richstone, Bimal Bhindi, Elizabeth B Habermann, Vidhu Joshi, Stephen A Boorjian
PURPOSE: To evaluate contemporary practice patterns in the management of small renal masses. METHODS: We identified 52,804 patients within the National Cancer Database diagnosed with a small renal mass (≤4cm) between 2010-2014. Utilization trends for active surveillance, ablation, and robotic, laparoscopic, and open surgical techniques were compared among all-comers, elderly patients (≥75 years) and individuals with competing health risks (Charlson index ≥2)...
May 21, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29792044/annals-express-an-assessment-of-the-effect-of-haemoglobin-variants-on-detection-by-faecal-immunochemical-tests
#2
Magdalen Romany Rowan Carroll, Cerin John, Debbie Mantio, Natasha Djedovic, Sally C Benton
BACKGROUND: Faecal immunochemical tests (FIT) for haemoglobin (Hb) are being used in the investigation of colorectal cancer. These tests use antibodies raised to the globin moiety of human Hb. Where the globin structure is abnormal or reduced, it is possible that antibody binding, and thus Hb-detection may be affected. METHODS: Lysates prepared from whole blood samples of patients with known variants, were diluted in manufacturer specific buffer to 10, 100, and 500 µg Hb/g faeces...
January 1, 2018: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/29792043/annals-express-does-the-mass-of-sample-loaded-affect-faecal-haemoglobin-concentration-using-the-faecal-immunochemical-test
#3
Carolyn J Piggott, Cerin John, Helen Bruce, Sally C Benton
BACKGROUND: Quantitative faecal immunochemical tests (FIT) for haemoglobin are being used for colorectal cancer (CRC) screening for asymptomatic populations and are being indicated as a suitable test to rule out CRC in symptomatic populations. Faecal samples are typically collected by patients using a probe attached to the cap of a device which is inserted into a collection device into the preservative buffer, passing through a collar to remove excess sample: this process has potential for pre-analytical error...
January 1, 2018: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/29792038/downregulation-of-cancer-stemness-by-novel-diterpenoid-ovatodiolide-inhibits-hepatic-cancer-stem-cell-like-traits-by-repressing-wnt-formula-see-text-catenin-signaling
#4
Mingche Liu, Oluwaseun Adebayo Bamodu, Kuang-Tai Kuo, Wei-Hwa Lee, Yen-Kuang Lin, Alexander T H Wu, Hsiao M, Yew-Min Tzeng, Chi-Tai Yeh, Jo-Ting Tsai
The hierarchical tumor propagation or cancer stem cells (CSCs) model of carcinogenesis postulates that like physiologic adult stem cell (ASC), the CSCs positioned at the apex of any tumor population form the crux of tumor evolution with a constitutive regenerative capacity and differentiation potential. The propagation and recurrence of the characteristically heterogeneous and therapy-resistant hepatocellular carcinoma (HCC), adds to accumulating evidence to support this CSCs model. Based on the multi-etiologic basis of HCC formation which among others, focuses on the disruption of the canonical Wnt signaling pathway, this study evaluated the role of cembrane-type phytochemical, Ovatodiolide, in the modulation of the Wnt/[Formula: see text]-catenin pathway, and its subsequent effect on liver CSCs' activities...
May 24, 2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29791437/a-randomized-controlled-trial-on-the-effect-of-a-silver-carboxymethylcellulose-dressing-on-surgical-site-infections-after-breast-cancer-surgery
#5
Gerson M Struik, Wietske W Vrijland, Erwin Birnie, Taco M A L Klem
BACKGROUND: The incidence of surgical site infections (SSIs) after breast cancer surgery is relatively high; ranging from 3 to 19%. The role of wound dressings in the prevention of SSI after breast cancer surgery is unclear. This study compares a silver carboxymethylcellulose dressing (AQUACEL Ag Surgical (Aquacel) with standard wound dressing in SSI rate after breast cancer surgery. PATIENTS AND METHODS: A single-centre randomized controlled trial among women ≥18 years, diagnosed with breast cancer, undergoing breast conserving or ablative surgery, was conducted in a combined in and outpatient setting...
2018: PloS One
https://www.readbyqxmd.com/read/29791289/minimally-invasive-lung-cancer-surgery-performed-by-thoracic-surgeons-as-effective-as-thoracotomy
#6
Daniel J Boffa, Andrzej S Kosinski, Anthony P Furnary, Sunghee Kim, Mark W Onaitis, Betty C Tong, Patricia A Cowper, Jessica R Hoag, Jeffrey P Jacobs, Cameron D Wright, Joe B Putnam, Felix G Fernandez
Purpose The prevalence of minimally invasive lung cancer surgery using video-assisted thoracic surgery (VATS) has increased dramatically over the past decade, yet recent studies have suggested that the lymph node evaluation during VATS lobectomy is inadequate. We hypothesized that the minimally invasive approach to lobectomy for stage I lung cancer resulted in a longitudinal outcome that was not inferior to thoracotomy. Patients and Methods Patients > 65 years of age who had undergone lobectomy for stage I lung cancer between 2002 and 2013 were analyzed within the Society of Thoracic Surgeons General Thoracic Surgery Database, which had been linked to Medicare data, as part of a retrospective-cohort, noninferiority study...
May 23, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29791130/quantification-of-serum-high-mobility-group-box-1-by-liquid-chromatography-high-resolution-mass-spectrometry-implications-for-its-role-in-immunity-inflammation-and-cancer
#7
Liwei Weng, Lili Guo, Anil Vachani, Clementina A Mesaros, Ian Alexander Blair
High mobility group box 1 (HMGB1), is a non-histone chromosomal protein, which can be secreted through a variety of pathways and bind to pattern recognition receptors to release pro-inflammatory cytokines. Previous studies have suggested that HMGB1 is up-regulated in numerous inflammatory diseases and that it could be a biomarker for such diseases. However, these studies used immunoassay-based methods to analyze serum HMGB1. Autoantibodies to HMGB1 in serum are found in healthy control subjects as well as in patients with different diseases...
May 23, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29790943/mutalisk-a-web-based-somatic-mutation-analyis-toolkit-for-genomic-transcriptional-and-epigenomic-signatures
#8
Jongkeun Lee, Andy Jinseok Lee, June-Koo Lee, Jongkeun Park, Youngoh Kwon, Seongyeol Park, Hyonho Chun, Young Seok Ju, Dongwan Hong
Somatic genome mutations occur due to combinations of various intrinsic/extrinsic mutational processes and DNA repair mechanisms. Different molecular processes frequently generate different signatures of somatic mutations in their own favored contexts. As a result, the regional somatic mutation rate is dependent on the local DNA sequence, the DNA replication/RNA transcription dynamics and epigenomic chromatin organization landscape in the genome. Here, we propose an online computational framework, termed Mutalisk, which correlates somatic mutations with various genomic, transcriptional and epigenomic features in order to understand mutational processes that contribute to the generation of the mutations...
May 22, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29790920/elucidating-the-role-of-the-maternal-embryonic-leucine-zipper-kinase-melk-in-adrenocortical-carcinoma
#9
Katja Kiseljak-Vassiliades, Yu Zhang, Adwitiya Kar, Raud Razzaghi, Mei Xu, Katherine Gowan, Christopher D Raeburn, Maria Albuja-Cruz, Kenneth L Jones, Hilary Somerset, Lauren Fishbein, Stephen Leong, Margaret E Wierman
Adrenocortical carcinoma (ACC) is an aggressive cancer with a five-year survival less than 35%. Mortality remains high due to lack of targeted therapies. Using bioinformatic analyses, we identified Maternal Embryonic Leucine Zipper Kinase (MELK) as 4.1-fold overexpressed in ACC compared to normal adrenal samples. High MELK expression in human tumors correlated with shorter survival and with increased expression of genes involved in cell division and growth. We investigated the functional effects of MELK inhibition using newly developed ACC cell lines with variable MELK expression, CU-ACC1 and CU-ACC2, compared with H295R cells...
May 21, 2018: Endocrinology
https://www.readbyqxmd.com/read/29790669/genetically-determined-height-was-associated-with-lung-cancer-risk-in-east-asian-population
#10
Lu Wang, Mingtao Huang, Hui Ding, Guangfu Jin, Liang Chen, Feng Chen, Hongbing Shen
The association between adult height and risk of lung cancer has been investigated by epidemiology studies, but the results are inconsistent. Mendelian randomization (MR) analyses with individual-level data from two genome-wide association studies, including a total of 7127 lung cancer cases and 6818 controls, were carried out to explore whether adult height is causally associated with risk of lung cancer. A weighted genetic risk score (wGRS) was created based on genotypes of 101 known height-associated genetic variants...
May 23, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29790566/night-shift-work-and-breast-cancer-risk-what-do-the-meta-analyses-tell-us
#11
Manisha Pahwa, France Labrèche, Paul A Demers
Objectives This paper aims to compare results, assess the quality, and discuss the implications of recently published meta-analyses of night shift work and breast cancer risk. Methods A comprehensive search was conducted for meta-analyses published from 2007-2017 that included at least one pooled effect size (ES) for breast cancer associated with any night shift work exposure metric and were accompanied by a systematic literature review. Pooled ES from each meta-analysis were ascertained with a focus on ever/never exposure associations...
May 22, 2018: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/29790309/assessment-of-hospital-based-prevalence-of-oral-cancer-among-population-of-kanpur-uttar-pradesh
#12
Amrita Raj, Gayathri Ramesh, Sunita Pathak
Background: Oral cancer incidence depends on both qualitative and quantitative factors wherein the incidence of oral cancer in patients with smoking and tobacco chewing habit is 8.4 times higher than that of patients with no habit. Aim: To understand about the prevalence of oral cancer in population of Kanpur reported to the hospital and analyse the association with age, gender and tobacco habit. Material and Method: All 320 cases of Squamous cell carcinoma diagnosed histopathologically, since January 2007 to December 2016, were retrieved from the archives and a retrospective study was conducted along with association with the variables such as age, gender, site, habit and histopathological type...
May 2018: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/29790169/met-in-gastric-cancer-with-liver-metastasis-the-relationship-between-met-amplification-and-met-overexpression-in-primary-stomach-tumors-and-liver-metastasis
#13
Han S Kim, Hong J Chon, Hyunki Kim, Su-Jin Shin, Volker Wacheck, Aaron M Gruver, Jong S Kim, Sun Y Rha, Hyun C Chung
BACKGROUND AND OBJECTIVES: Although MET amplification/overexpression was observed in a subset of gastric cancer (GC) patients, the relationship between MET amplification/overexpression in primary GC and liver metastasis was unclear. METHODS: GC samples and matched liver metastases (N = 47) were analyzed by fluorescence/silver in-situ hybridization (FISH/SISH) and by immunohistochemistry for MET amplification and MET expression, respectively. MET-copy number (CN) and Met expression data from The Cancer Genome Atlas Stomach Adenocarcinoma (TCGA-STAD, N = 356) were also analyzed...
May 22, 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29790124/colorectal-cancer-why-does-side-matter
#14
Claire Gallois, Simon Pernot, Aziz Zaanan, Julien Taieb
Colorectal cancer (CRC) is a heterogeneous disease, and the search for clinical and molecular prognostic and predictive factors is thus necessary to better tailor each individual patient's management. Primary tumor location (PTL) seems to act as a master prognostic factor pooling different clinical, pathological, and molecular poor prognostic factors. In fact, right-sided (RS) CRC patients are more frequently female and elderly with microsatellite unstable, BRAF mutated, CpG island methylator phenotype (CIMP)-high, poorly differentiated tumors, compared to left-sided (LS) CRC patients...
May 22, 2018: Drugs
https://www.readbyqxmd.com/read/29790111/potential-of-the-dual-mtor-kinase-inhibitor-azd2014-to-overcome-paclitaxel-resistance-in-anaplastic-thyroid-carcinoma
#15
Zorica Milošević, Jasna Banković, Jelena Dinić, Chrisiida Tsimplouli, Evangelia Sereti, Miodrag Dragoj, Verica Paunović, Zorka Milovanović, Marija Stepanović, Nikola Tanić, Kostantinos Dimas, Milica Pešić
PURPOSE: Anaplastic thyroid carcinoma (ATC) is an aggressive, chemo-resistant malignancy. Chemo-resistance is often associated with changes in activity of the RAS/MAPK/ERK and PI3K/AKT/mTOR pathways and/or a high expression of ATP binding cassette (ABC) transporters, such as P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP). To assess the therapeutic efficacy in ATC of a combination of the dual mTOR kinase inhibitor vistusertib (AZD2014) and paclitaxel (PTX), we generated a new cell line (Rho-) via the selection of human thyroid carcinoma 8505C cells that exhibit a low accumulation of rhodamine 123, which serves as a P-gp and BCRP substrate...
May 22, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29790012/evaluation-of-a-nanocomposite-of-peg-curcumin-gold-nanoparticles-as-a-near-infrared-photothermal-agent-an-in-vitro-and-animal-model-investigation
#16
F Rahimi-Moghaddam, N Azarpira, N Sattarahmady
Hyperthermia is a promising alternative modality for the conventional cancer treatments. Nanoparticle-mediated photothermal therapy (PTT) has been widely applied for hyperthermia cancer therapy by a near-infrared light irradiation. Some special nanoparticles can convert light energy into heat and destroy the tumor cells. Inspired from the photothermal efficacy of the gold nanoparticles, here we synthesized, characterized, and applied novel photothermal polyethylene glycol-curcumin-gold nanoparticles (PEG-Cur-Au NPs) in cancer PTT...
May 22, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29789905/pre-operative-mri-staging-of-endometrial-cancer-in-a-multicentre-cancer-network-can-we-match-single-centre-study-results
#17
N D Soneji, N Bharwani, A Ferri, V Stewart, A Rockall
OBJECTIVES: To evaluate the staging accuracy of magnetic resonance imaging (MRI) for endometrial cancer in daily practice over a 3-year period at a tertiary referral centre receiving scans from a large number of hospitals with varying protocols. To compare these daily practice results to published data from single-centre studies. METHODS: After ethical approval, MRI staging records for 270 studies from nine network and three centre hospitals were retrospectively collected and compared with final operative histopathology...
May 22, 2018: European Radiology
https://www.readbyqxmd.com/read/29789764/a-single-institution-analysis-of-low-dose-rate-brachytherapy-5-year-reported-survival-and-late-toxicity-outcomes
#18
REVIEW
Michael Chao, Sandra Spencer, Mario Guerrieri, Wei Ding, Mehran Goharian, Huong Ho, Michael Ng, Danielle Healey, Alwin Tan, Chee Cham, Daryl Lim Joon, Nathan Lawrentschuk, Douglas Travis, Shomik Sengupta, Yee Chan, Andrew Troy, Trung Pham, David Clarke, Peter Liodakis, Damien Bolton
Purpose: To report the 5-year biochemical relapse-free survival (BRFS), overall survival (OS), and long-term toxicity outcomes of patients treated with low-dose-rate (LDR) brachytherapy as monotherapy for low- to intermediate-risk prostate cancer. Material and methods: Between 2004 and 2011, 371 patients were treated with LDR brachytherapy as monotherapy. Of these, 102 patients (27%) underwent transurethral resection of the prostate (TURP) prior to implantation...
April 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29789327/antidepressant-use-and-risk-of-colorectal-cancer-in-the-women-s-health-initiative
#19
Jenna Kiridly-Calderbank, Susan R Sturgeon, Candyce H Kroenke, Katherine W Reeves
BACKGROUND: Some prior studies have reported reduced colorectal cancer risk among individuals using antidepressant (AD) medications, especially selective serotonin reuptake inhibitors (SSRIs). Yet, most studies have not considered the potential role of depression or other confounders in their analyses. METHODS: We utilized prospectively collected data from 145,190 participants in the Women's Health Initiative, among whom 2,580 incident colorectal cancer cases were diagnosed...
May 22, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29789237/predictors-of-biochemical-recurrence-after-radical-prostatectomy-in-an-afro-caribbean-population-in-guadeloupe-french-west-indies
#20
L Brureau, E Emeville, L Multigner, P Blanchet
PURPOSE: Few studies have investigated predictive risk factors of biochemical recurrence (BCR) after radical prostatectomy (RP) in other than Caucasian and Asian populations. We aimed to identify pre- and post-operative predictors of BCR after RP in an Afro-Caribbean population in Guadeloupe (French West Indies). PATIENTS AND METHODS: The study included 964 patients who underwent RP for clinically localized prostate cancer between April 1, 2000 and December 31, 2010 in the University Hospital of Guadeloupe...
May 20, 2018: Progrès en Urologie
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