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https://www.readbyqxmd.com/read/28550740/multi-resolution-classification-of-exhaled-aerosol-images-to-detect-obstructive-lung-diseases-in-small-airways
#1
Jinxiang Xi, Weizhong Zhao, Jiayao Eddie Yuan, Biwei Cao, Linlin Zhao
Exhaled aerosol patterns have been used to detect obstructive respiratory diseases in the upper airways. Signals from small airway diseases are weak and may not manifest themselves in the exhaled aerosol patterns. Therefore, it will be more challenging to detect abnormalities in small airways. The objective of this study is to develop a simulation-based classification model that can accurately classify small airway diseases. The model performance was evaluated in five obstructed models that are located in lung bifurcations G7-9...
May 20, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28550676/-estimated-of-esophageal-cancer-incidence-and-mortality-in-china-2013
#2
Y T He, D J Li, D Liang, J Jin, D G Wen, W Q Chen, J He
Objective: The National Central Cancer Registry (NCCR) collected esophageal data of local cancer registries in 2013 to estimate the incidence and mortality in China. Methods: Data submitted from 347 registries were evaluated and 255 registries' data are qualified by NCCR. Data of incidence and mortality were stratified with areas (urban/rural), gender and age group. Chinese population census in 2000 and Segi's population were used for age-standardized incidence/mortality. Results: All of 255 cancer registries covered a total of 226 494 490 population (111 595 772 in urban areas and 114 898 718 in rural areas)...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550494/cost-effectiveness-of-combined-serum-anti-helicobacter-pylori-igg-antibody-and-serum-pepsinogen-concentrations-for-screening-for-gastric-cancer-risk-in-japan
#3
Shota Saito, Motoi Azumi, Yusuke Muneoka, Katsuhiko Nishino, Takashi Ishikawa, Yuichi Sato, Shuji Terai, Kouhei Akazawa
BACKGROUND: A combination of assays for the presence of serum anti-Helicobacter pylori IgG antibody (HPA) and serum pepsinogen (PG) concentrations can be used to screen for gastric cancer risk. In Japan, this "ABC method" is considered an effective means of stratifying gastric cancer risk. This study aimed to ascertain its cost-effectiveness for assessing gastric cancer risk. METHODS: A Markov model was constructed to compare the cost-effectiveness of two strategies for gastric cancer-risk screening over a 30-year period: the ABC method, which uses a combination of assessing the presence of HPA and measuring serum PG concentrations and scheduling endoscopies accordingly, and annual endoscopic screening...
May 26, 2017: European Journal of Health Economics: HEPAC: Health Economics in Prevention and Care
https://www.readbyqxmd.com/read/28549574/screening-for-psychologic-distress-in-taiwanese-cancer-inpatients-using-the-national-comprehensive-cancer-network-distress-thermometer-the-effects-of-patients-sex-and-chemotherapy-experience
#4
Yu-Jie Chiou, Chun-Yi Lee, Shau-Hsuan Li, Mian-Yoon Chong, Yu Lee, Liang-Jen Wang
BACKGROUND: Patients with cancer often experience distress, and early detection and management of psychologic distress are vital for improving patients' outcomes. OBJECTIVE: This study investigates the validity and determines the optimal cutoff score-for clinically significant distress-for the Taiwanese Distress Thermometer (DT). METHODS: This study consisted of 768 inpatients diagnosed with cancer in a general hospital in southern Taiwan...
April 6, 2017: Psychosomatics
https://www.readbyqxmd.com/read/28549522/pathobiology-of-human-papillomaviruses-in-human-immunodeficiency-virus-infected-persons
#5
REVIEW
Uma Krishnamurti, Elizabeth R Unger
There is a complex interrelationship between human papillomaviruses (HPV) and human immunodeficiency viruses (HIV) that has been recognized from the start of the HIV epidemic. Cervical cancer was used as a surveillance indicator for acquired immunodeficiency syndrome (AIDS) before definitive identification of the viral etiology of either condition were known. Careful epidemiologic studies combined with clinical and laboratory measures of HPV, HPV-associated disease, and HIV have helped us understand many aspects of the relationship between these two virus groups; however, questions remain...
April 6, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28549381/cervical-cancer-screening-in-rural-mountainous-honduras-knowledge-attitudes-and-barriers
#6
Rachel J Pryor, Nadia Masroor, Michael Stevens, Kakotan Sanogo, Pedro José Hernández O'Hagan, Gonzalo Bearman
INTRODUCTION: Because cervical cancer is the leading cause of cancer mortality in Honduras, this study assessed knowledge, attitudes and barriers to cervical cancer screening services by Papanicolaou smear (pap smear) for women in rural, remote Honduras served by Virginia Commonwealth University's Global Health and Health Disparities Program (GH2DP). METHODS: Two interviewers administered an institutional review board approved, 20 question survey by convenience sample methodology to adult female patients visiting GH2DP clinics in June 2014...
April 2017: Rural and Remote Health
https://www.readbyqxmd.com/read/28549265/facile-screening-of-potential-xenoestrogens-by-an-estrogen-receptor-based-reusable-optical-biosensor
#7
Lanhua Liu, Xiaohong Zhou, Yun Lu, Didi Shan, Bi Xu, Miao He, Hanchang Shi, Yi Qian
The apparent increase in hormone-induced cancers and disorders of the reproductive tract has led to a growing demand for new technologies capable of screening xenoestrogens. We reported an estrogen receptor (ER)-based reusable fiber biosensor for facile screening estrogenic compounds in environment. The bioassay is based on the competition of xenoestrogens with 17β-estradiol (E2) for binding to the recombinant receptor of human estrogen receptor α (hERα) protein, leaving E2 free to bind to fluorophore-labeled anti-E2 monoclonal antibody...
May 18, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28549148/risk-factors-for-invasive-fungal-disease-in-pediatric-cancer-and-hematopoietic-stem-cell-transplantation-a-systematic-review
#8
Brian T Fisher, Paula D Robinson, Thomas Lehrnbecher, William J Steinbach, Theoklis E Zaoutis, Bob Phillips, Lillian Sung
Background.: Although a number of risk factors have been associated with invasive fungal disease (IFD), a systematic review of the literature to document pediatric-specific factors has not been performed. Methods.: We used the Ovid SP platform to search Medline, Medline In-Process, and Embase for studies that identified risk factors for IFD in children with cancer or those who undergo hematopoietic stem cell transplantation (HSCT). We included studies if they consisted of children or adolescents (<25 years) who were receiving treatment for cancer or undergoing HSCT and if the study evaluated risk factors among patients with and those without IFD...
May 26, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28548950/enolase-1-stimulates-glycolysis-to-promote-chemoresistance-in-gastric-cancer
#9
Xiaoling Qian, Wenxia Xu, Jinye Xu, Qiqi Shi, Jiaqiu Li, Yu Weng, Zhinong Jiang, Lifeng Feng, Xian Wang, Jianwei Zhou, Hongchuan Jin
Chemotherapy is the major choice for the cancer treatment of early and advanced stages. However, intrinsic or acquired drug resistance significantly restricts the clinical efficacy of chemotherapy. It is critical to develop novel approaches to detect and overcome drug resistance. In this study, we demonstrated that accelerated glycolysis played a pivotal role in both intrinsic and acquired cisplatin-resistance of gastric cancer cells. The metabolic reprogramming of cisplatin-resistant cells was characterized by increased glycolysis dependence...
May 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548905/brca-associated-cancers-role-of-imaging-in-screening-diagnosis-and-management
#10
Michelle V Lee, Venkata S Katabathina, Michyla L Bowerson, Marina I Mityul, Anup S Shetty, Khaled M Elsayes, Aparna Balachandran, Priya R Bhosale, Ann E McCullough, Christine O Menias
Harmful mutations of the BRCA tumor suppressor genes result in a greater lifetime risk for malignancy-breast and ovarian cancers in particular. An increased risk for male breast, fallopian tube, primary peritoneal, pancreatic, prostate, and colon cancers also has been reported. The BRCA gene is inherited in an autosomal dominant pattern and tends to be highly penetrant; thus, there is an increased incidence of these cancers in affected families. Compared with sporadic tumors, BRCA-associated malignancies have unique manifestations, clinical features, and pathologic profiles...
May 26, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28548821/turning-nonspecific-interference-into-signal-amplification-covalent-biosensing-nanoassembly-enabled-by-metal-catalyzed-cross-coupling
#11
Hao Li, Fang Wang, Shenguang Ge, Haiyun Liu, Mei Yan, Jinghua Yu
In this work, a new method of protein detection in complicated samples is proposed. This method employs probe-target recognition to induce cross-linking among the probe, the target, and the nonspecific proteins in the complicated sample as a means to convert interference into effective signal amplification. This also eliminates the necessity of multistep signal amplification in a separate solution system. On the basis of this strategy, a simple and robust assay for the activity of serum cathepsin B is established...
May 26, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28548675/inducible-bcl-2-gene-rna-interference-mediated-by-aptamer-integrated-hdv-ribozyme-switch
#12
Yuanyuan Zhang, Jine Wang, Hui Cheng, Na Sun, Min Liu, Zhengyan Wu, Renjun Pei
The regulation of RNA interference (RNAi) could be a powerful method for the study of temporal and dose dependent effects of gene expression. In this study, we designed the hepatitis delta virus (HDV) ribozyme with an embedded theophylline aptamer as the sensor domain and the pri-miRNA of endogenous gene Bcl-2 as the effector domain to engineer an RNAi-regulatory device in MCF-7 cells. The system allowed us to control gene expression by adding theophylline into the culture media in a dose dependent fashion...
May 26, 2017: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/28548642/barriers-to-cervical-cancer-screening-in-geneva-depist-study-erratum
#13
(no author information available yet)
No abstract text is available yet for this article.
April 2017: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/28548601/does-the-screening-status-of-message-characters-affect-message-effects
#14
Julia M Alber, Karen Glanz
Public health messages can be used to increase awareness about colorectal cancer screenings. Free or inexpensive images for creating health messages are readily available, yet little is known about how a pictured individual's engagement in the behavior of interest affects message outcomes. Participants ( N = 360), aged 50 to 75 years, completed an online survey in which they viewed a colorectal cancer screening message and were then randomly assigned to view one of four different messages about the pictured individual's screening status...
May 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28548469/trends-in-breast-cancer-epidemiology-in-chelyabinsk-region-2006-2015
#15
Irina A Aksenova, Malcolm A Moore, Alla S Domozhirova
Breast cancer among women occupies a leading position in the profile of cancer incidence in most parts of the world. The present study of the incidence and prevalence of breast cancer was carried out using data from the Chelyabinsk population cancer registry for 2006-2015. A stable growth trend in the incidence over time was noted overall, as well as major differences in the figures for women of different ethnicities (Russian, Tatar, Bashkir), by far the highest incidences being observed for Russian women. Urban rates were generally higher than in rural sites and a shift towards older age at presentation was seen between 2006 and 2015...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28548468/comparison-of-direct-and-indirect-methods-of-teaching-breast-self-examination-%C3%A2-influence-on-knowledge-and-attitudes-of-iranian-nursing-and-midwifery-personnel
#16
Sara Shahbazi, Mohammad Heidari, Mansour Ghafourifard
Background: Breast cancer is the most common cancer in women. Monthly breast self-examination (BSE) has been presented as one of the best screening methods available. The aim of this study was to compare effects of both direct and indirect methods of teaching of BSE on knowledge and attitudes of nursing and midwifery personnel. Materials and Methods: The present study was performed on 89 nursing and midwifery personnel in Valiasr hospital of Borujen city. Participants were randomly divided into a direct and an indirect training group...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28548227/changing-the-risk-threshold-for-surgical-prevention-of-ovarian-cancer
#17
Ranjit Manchanda, Rosa Legood, Antonis C Antoniou, Leigh Pearce, Usha Menon
Ovarian cancer (OC) remains a lethal disease and a major cause of deaths from gynaecological cancer particularly in western countries. Despite advances in treatment, there have been only marginal improvements in survival rates over the last 30years. Additionally, the number of OC cases in the UK is estimated to increase by 27-45%, which translates to a 15% rise in the incidence rate by 2035.(1) A national OC screening programme is unavailable as this has not yet shown a conclusive mortality benefit.(2) Hence, primary prevention continues to be the cornerstone in reducing the burden of OC and improving health outcomes...
May 26, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28547956/pap-smears-in-endometrial-adenocarcinoma-does-it-have-a-role
#18
Asma Nadaf, Hephzibah Rani, Parinitha S S, Ravikala Rao, Dinesh Shastri
Background: Historically the conventional Pap smear has been an effective screening tool for Carcinoma cervix. However the reporting of benign and malignant endometrial cells on Pap smear has remained controversial. There are very few studies addressing the utility of Pap smears in diagnosing endometrial carcinomas. Objective: To rescreen the Pap smears of patients with endometrial adenocarcinoma for the detection of normal/ atypical endometrial cells and to correlate with clinico-pathological parameters. Methods: The present study was carried out at SDM College of Medical Sciences, Dharwad, Karnataka, India for a period of 7 years...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28547943/assertions-of-japanese-websites-for-and-against-cancer-screening-a-text-mining-analysis
#19
Tsuyoshi Okuhara, Hirono Ishikawa, Masahumi Okada, Mio Kato, Takahiro Kiuchi
Background: Cancer screening rates are lower in Japan than in Western countries such as the United States and the United Kingdom. While health professionals publish pro-cancer-screening messages online to encourage proactive seeking for screening, anti-screening activists use the same medium to warn readers against following guidelines. Contents of pro- and anti-cancer-screening sites may contribute to readers’ acceptance of one or the other position. We aimed to use a text-mining method to examine frequently appearing contents on sites for and against cancer screening...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28547896/assembly-of-breast-cancer-heterotypic-spheroids-on-hyaluronic-acid-coated-surfaces
#20
Marco P Carvalho, Elisabete C Costa, Ilídio J Correia
Drug screening is currently demanding for realistic models that are able to reproduce the structural features of solid tumors. 3D cell culture systems, namely spheroids, emerged as a promising approach to provide reliable results during drug development. So far, Liquid Overlay Technique (LOT) is one of the most used methods for spheroids assembly. It comprises cellular aggregation due to their limited adhesion to certain biomaterials, like agarose. However, researchers are currently improving this technique in order to obtain spheroids on surfaces that mimic cancer extracellular matrix (ECM), since cell-ECM interactions modulate cells behavior and their drug resistance profile...
May 25, 2017: Biotechnology Progress
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