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https://www.readbyqxmd.com/read/28222426/knockdown-of-pd-l1-in-human-gastric-cancer-cells-inhibits-tumor-progression-and-improves-the-cytotoxic-sensitivity-to-cik-therapy
#1
Jing Li, Lujun Chen, Yuqi Xiong, Xiao Zheng, Quanqin Xie, Qi Zhou, Liangrong Shi, Changping Wu, Jingting Jiang, Haitao Wang
: Background/Abstract: PD-L1 has been an important target of cancer immunotherapy. We have showed that in human gastric cancer tissues, over-expression of PD-L1 was significantly associated with cancer progression and patients' postoperative prognoses. However, as of now, how PD-L1 regulates the biological function of gastric cancer cells still remains elusive. METHODS: We constructed the stable PD-L1 knockdown expression gastric cancer cell lines by using RNAi method, and further investigated the changes of biological functions including cell viability, migration, invasion, cell cycle, apoptosis, tumorigenicity in vivo, and the cytotoxic sensitivity to CIK therapy, in contrast to the control cells...
February 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28222306/advanced-breast-cancer-rates-in-the-epoch-of-service-screening-the-400-000-women-cohort-study-from-italy
#2
Donella Puliti, Lauro Bucchi, Silvia Mancini, Eugenio Paci, Susanna Baracco, Cinzia Campari, Debora Canuti, Claudia Cirilli, Natalina Collina, Giovanni Maria Conti, Enza Di Felice, Fabio Falcini, Maria Michiara, Rossella Negri, Alessandra Ravaioli, Priscilla Sassoli De' Bianchi, Monica Serafini, Manuel Zorzi, Adele Caldarella, Luigi Cataliotti, Marco Zappa
BACKGROUND: The objective of this study was to evaluate if mammography screening attendance is associated with a reduction in late-stage breast cancer incidence. METHODS: The cohort included over 400,000 Italian women who were first invited to participate in regional screening programmes during the 1990s and were followed for breast cancer incidence for 13 years. We obtained individual data on their exposure to screening and correlated this with total and stage-specific breast cancer incidence...
February 18, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28222072/discrepancies-in-central-review-re-testing-of-patients-with-er-positive-and-her2-negative-breast-cancer-in-the-optima-prelim-randomised-clinical-trial
#3
S E Pinder, A F Campbell, J M S Bartlett, A Marshall, D Allen, M Falzon, J A Dunn, A Makris, L Hughes-Davies, R C Stein
BACKGROUND: There is limited data on results of central re-testing of samples from patients with invasive breast cancer categorised in their local hospital laboratories as oestrogen receptor (ER) positive and human epidermal growth factor receptor homologue 2 (HER2) negative. METHODS: The Optimal Personalised Treatment of early breast cancer usIng Multiparameter Analysis preliminary study (OPTIMA prelim) was the feasibility phase of a randomised controlled trial to validate the use of multiparameter assay-directed chemotherapy decisions in the UK National Health Service (NHS)...
February 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28222068/inhibition-of-cdk5-induces-cell-death-of-tumor-initiating-cells
#4
Melanie M Mandl, Siwei Zhang, Melanie Ulrich, Elisa Schmoeckel, Doris Mayr, Angelika M Vollmar, Johanna Liebl
BACKGROUND: Tumour-initiating cells (TICs) account for chemoresistance, tumour recurrence and metastasis, and therefore represent a major problem in tumour therapy. However, strategies to address TICs are limited. Recent studies indicate Cdk5 as a promising target for anti-cancer therapy and Cdk5 has recently been associated with epithelial-mesenchymal transition (EMT). However, a role of Cdk5 in TICs has not been described yet. METHODS: Expression of Cdk5 in human cancer tissue was analysed by staining of a human tissue microarray (TMA)...
February 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28221673/breast-cancer-prevention-strategies-in-lobular-carcinoma-in-situ-a-decision-analysis
#5
Stephanie M Wong, Natasha K Stout, Rinaa S Punglia, Ipshita Prakash, Yasuaki Sagara, Mehra Golshan
BACKGROUND: Women diagnosed with lobular carcinoma in situ (LCIS) have a 3-fold to 10-fold increased risk of developing invasive breast cancer. The objective of this study was to evaluate the life expectancy (LE) and differences in survival offered by active surveillance, risk-reducing chemoprevention, and bilateral prophylactic mastectomy among women with LCIS. METHODS: A Markov simulation model was constructed to determine average LE and quality-adjusted LE (QALE) gains for hypothetical cohorts of women diagnosed with LCIS at various ages under alternative risk-reduction strategies...
February 21, 2017: Cancer
https://www.readbyqxmd.com/read/28221191/the-assessment-of-estrogen-receptor-status-and-its-intratumoral-heterogeneity-in-breast-cancer-patients-by-using-18-f-fluoroestradiol-pet-ct
#6
Zhongyi Yang, Yifei Sun, Xiaoping Xu, Yongping Zhang, Jianping Zhang, Jing Xue, Mingwei Wang, Huiyu Yuan, Silong Hu, Wei Shi, Beiling Zhu, Yingjian Zhang
AIM: The aim of this study was to investigate the clinical value of F-fluoroestradiol (F-FES) PET/CT in the assessment of the estrogen receptor (ER) and its intratumoral heterogeneity in breast cancer patients. METHODS: Forty-six female patients (50 lesions) with histologically confirmed invasive breast cancer who underwent both F-FES and F-FDG PET/CT in our center were retrospectively included. All the patients enrolled were scheduled to undergo biopsy. The F-FES and FDG uptakes were compared with pathological features (tumor size, ER, progesterone receptor, human epidermal growth factor receptor 2, and Ki67%)...
February 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28221165/response-to-letter-comment-on-insurance-status-not-race-is-associated-with-use-of-minimally-invasive-surgical-approach-for-rectal-cancer
#7
Megan C Turner, Mohamed Abdelgadir Adam, Zhifei Sun, Jina Kim, Brian Ezekian, Babatunde A Yerokun, Christopher R Mantyh, John Migaly
No abstract text is available yet for this article.
February 1, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28221097/supplemental-breast-mr-imaging-screening-of-women-with-average-risk-of-breast-cancer
#8
Christiane K Kuhl, Kevin Strobel, Heribert Bieling, Claudia Leutner, Hans H Schild, Simone Schrading
Purpose To investigate the utility and accuracy of breast magnetic resonance (MR) imaging as a supplemental screening tool in women at average risk for breast cancer and to investigate the types of cancer detected with MR imaging screening. Materials and Methods This prospective observational study was conducted at two academic breast centers in women aged 40-70 years without breast cancer-associated risk factors (lifetime risk <15%). Between January 2005 and December 2013, women with at least minimal residual breast tissue (American College of Radiology categories A-D) and normal conventional imaging findings (screening mammography with or without screening ultrasonography [US]) were invited to undergo supplemental MR imaging screening...
February 21, 2017: Radiology
https://www.readbyqxmd.com/read/28221096/clinical-performance-of-synthesized-two-dimensional-mammography-combined-with-tomosynthesis-in-a-large-screening-population
#9
Mireille P Aujero, Sara C Gavenonis, Ron Benjamin, Zugui Zhang, Jacqueline S Holt
Purpose To compare the clinical performance of synthesized two-dimensional (s2D) mammography combined with digital breast tomosynthesis (DBT) with that of full-field digital mammography (FFDM) alone and FFDM combined with DBT in a large community-based screening population by analyzing recall rate, positive predictive value, and cancer detection rate. Materials and Methods This was a retrospective study approved by the institutional review board and was HIPAA compliant with waiver of informed consent. A total of 78 810 screening mammograms from October 11, 2011, to June 30, 2016, were retrospectively collected...
February 21, 2017: Radiology
https://www.readbyqxmd.com/read/28220805/meta-analysis-of-metabolic-syndrome-and-prostate-cancer
#10
REVIEW
M Gacci, G I Russo, C De Nunzio, A Sebastianelli, M Salvi, L Vignozzi, A Tubaro, G Morgia, S Serni
BACKGROUND: Metabolic syndrome (MetS) and prostate cancer (PCa) are highly prevalent conditions worldwide. Current evidence suggests the emerging hypothesis that MetS could play a role in the development and progression of several neoplasms. The aims of this study are to evaluate the impact of MetS and MetS factors on PCa incidence, on the risk of high-grade PCa and to analyze the role of MetS and single MetS components on the development of aggressive PCa features. METHODS: A systematic literature search and analysis on PubMed, EMBASE, Cochrane and Academic One File databases until September 2015 was performed by 2 independent reviewers to evaluate the associations between MetS and PCa incidence, and between MetS and high-grade PCa incidence (bioptical Gleason Score⩾8, Prognostic Group 4-5 according to the novel prostate cancer grading system)...
February 21, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28220697/near-infrared-activated-upconversion-nanoprobes-for-sensitive-endogenous-zn2-detection-and-selective-on-demand-photodynamic-therapy
#11
Ping Hu, Rui Wang, Lei Zhou, Lei Chen, Qingsheng Wu, Ming-Yong Han, Ahmed Mohamed El-Toni, Dongyuan Zhao, Fan Zhang
As a light-activated non-invasive cancer treatment paradigm, photodynamic therapy (PDT) has been attracting extensive attentions because of its high treatment efficacy and low side effects. Especially, spatiotemporal control of singlet oxygen (1O2) release is highly desirable for realizing on-demand PDT, which, however, still remains a huge challenge. To address this issue, a novel switchable near infrared (NIR)-responsive upconversion nanoprobe has been firstly designed and successfully applied for controlled PDT that can be optically activated by tumor-associated disruption of labile Zn2+ (denoted as Zn2+ in the following words) homeostasis stimuli...
February 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28220683/analysis-of-distinct-long-noncoding-rna-transcriptional-fingerprints-in-pancreatic-ductal-adenocarcinoma
#12
Xiang Yu, Yang Lin, Wu Sui, Yanfen Zou, Zhongchuan Lv
Pancreatic ductal adenocarcinoma (PDAC) is one of the most aggressive and lethal malignancies with the worst prognosis. Recent studies have demonstrated that long noncoding RNAs (lncRNAs) play critical roles in tumorigenesis and cancer progression. However, the expression pattern and roles of lncRNAs in the development of PDAC remain unknown. Herein, we globally analyzed the lncRNA expression profile in human PDAC and non-tumor tissues using four independent public microarray datasets from Gene Expression Omnibus (GEO)...
February 21, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28220643/extent-of-visceral-pleural-invasion-and-the-prognosis-of-surgically-resected-node-negative-non-small-cell-lung-cancer
#13
Yangki Seok, Ji Yun Jeong, Eungbae Lee
BACKGROUND: Visceral pleural invasion (VPI) is generally considered a poor prognostic factor in non-small cell lung cancer (NSCLC). VPI is defined as penetration beyond the elastic layer of visceral pleura (PL1), including the visceral pleural surface without the involvement of adjacent structures (PL2) by cancer cells. The aim of this study was to evaluate the influence of the extent of VPI on NSCLC prognosis. METHODS: This was a retrospective study of 90 patients with resected node-negative NSCLC with VPI...
February 21, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28220627/downregulation-of-mirna-141-in-breast-cancer-cells-is-associated-with-cell-migration-and-invasion-involvement-of-anp32e-targeting
#14
Ping Li, Tao Xu, Xin Zhou, Liangying Liao, Guolian Pang, Wan Luo, Lu Han, Jiankun Zhang, Xianyong Luo, Xiaobing Xie, Kuichun Zhu
MicroRNAs (miRNAs) regulate many cellular activities, including cancer development, progression, and metastasis. Some miRNAs are involved in breast cancer (BC) migration and invasion, thus affect patients' prognosis. Microarray analysis was performed to compare miRNA expression in BC tissues, and results confirmed by qPCR. BC cell migration and invasion were studied in vitro with MDA-MB-231 cells using microplate transwell assays. miRNA targeting was investigated using luciferase assays, qPCR, and Western blot analysis in cells with overexpression of miRNA mimics...
February 21, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28220605/outcome-predictors-of-radical-cystectomy-in-patients-with-ct4-prostate-cancer-a-multi-institutional-study-of-62-patients
#15
Martin Spahn, Alessandro Morlacco, Silvan Boxler, Steven Joniau, Alberto Briganti, Francesco Montorsi, Paolo Gontero, Pia Bader, Detlef Frohneberg, Hein van Poppel, R Jeffrey Karnes
OBJECTIVES: To identify which patients with macroscopic bladder infiltrating T4 prostate cancer (PCa) might have favorable outcomes when treated with radical cystectomy (RC) MATERIALS AND METHODS: We evaluated 62 patients with cT4cN0-1cM0 PCa treated with RC and pelvic lymph node dissection between 1972-2011. In addition to descriptive statistics, the Kaplan-Meier method and log-rank tests were used to depict survival rates. Uni- and multivariate Cox regression analysis tested the association between predictors and progression-free, PCa-specific-, and overall survival...
February 20, 2017: BJU International
https://www.readbyqxmd.com/read/28220371/multiple-nonsyndromic-acquired-basal-cell-carcinomas-uncommon-clinical-presentation-in-a-bulgarian-patient
#16
Georgi Tchernev, Ivan Pidakev, Ilia Lozev, Torello Lotti, Uwe Wollina
Basal cell carcinoma is the most frequent cutaneous neoplasm, with slowly progressive nature and locally invasive behavior. Despite the low metastatic potential, local tissue destruction and disfigurement caused by the tumor can be large if not eradicated in time by early diagnosis and treatment. Both genetic predisposition and exposure to environmental risks are involved in the pathogenesis of the malignant transformation in BCC. The total number of nonmelanocytic skin cancers is a risk factor for recurrence of previous tumor, on the one hand, as well as for the formation of new ones, on the other...
February 20, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28220323/burden-of-fungal-infections-in-algeria
#17
M Chekiri-Talbi, D W Denning
We report for the first time in Algeria and provide burden estimates. We searched for existing data and estimated the incidence and prevalence of fungal diseases based on the population at risk and available epidemiological data. Demographic data were derived from the National Office of Statistics (Office National des Statistiques: ONS), World Health Organization (WHO), The Joint Nations Programme on HIV/AIDS (UNAIDS) and national published reports. When no data existed, risk populations were used to estimate frequencies of fungal infections, using previously described methodology...
February 21, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28220037/differential-expression-and-clinical-significance-of-dna-methyltransferase-3b-dnmt3b-phosphatase-and-tensin-homolog-pten-and-human-mutl-homologs-1-hmlh1-in-endometrial-carcinomas
#18
Wenting Li, Ying Wang, Xinzhi Fang, Mei Zhou, Yiqun Li, Ying Dong, Ruozheng Wang
BACKGROUND The aim of this study was to investigate the expression and the clinicopathologic significance of DNA methyltransferase 3B (DNMT3B), phosphatase and tensin homolog (PTEN) and human MutL homologs 1 (hMLH1) in endometrial carcinomas between Han and Uygur women in Xinjiang. MATERIAL AND METHODS The expression of DNMT3B, PTEN, and hMLH1 in endometrial carcinomas were assessed by immunohistochemistry, followed by an analysis of their relationship to clinical-pathological features and prognosis. RESULTS There were a 61...
February 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28220020/randomized-phase-ii-study-of-ramucirumab-or-icrucumab-in-combination-with-capecitabine-in-patients-with-previously-treated-locally-advanced-or-metastatic-breast-cancer
#19
Linda T Vahdat, Rachel Layman, Denise A Yardley, William Gradishar, Mohamad A Salkeni, Anil Abraham Joy, Agustin A Garcia, Patrick Ward, James Khatcheressian, Joseph Sparano, Gladys Rodriguez, Shande Tang, Ling Gao, Rita P Dalal, John Kauh, Kathy Miller
BACKGROUND: Icrucumab (ICR) and ramucirumab (RAM) bind vascular endothelial growth factor (VEGF) receptors 1 and 2 (VEGFR-1 and -2), respectively. This open-label, randomized phase II study evaluated their efficacy and safety in combination with capecitabine (CAP) in patients with previously treated unresectable, locally advanced or metastatic breast cancer. METHODS: Patients were randomly assigned (1:1:1) to receive CAP (1,000 mg/m(2) orally twice daily, days 1-14) alone or in combination with RAM (10 mg/kg intravenously [IV], days 1 and 8) (RAM + CAP) or ICR (12 mg/kg IV, days 1 and 8) (ICR + CAP) every 21 days...
February 20, 2017: Oncologist
https://www.readbyqxmd.com/read/28219721/magnetic-nanoparticles-a-multifunctional-vehicle-for-modern-theranostics
#20
REVIEW
M Angelakeris
Magnetic nanoparticles provide a unique multifunctional vehicle for modern theranostics since they can be remotely and non-invasively employed as imaging probes, carrier vectors and smart actuators. Additionally, special delivery schemes beyond the typical drug delivery such as heat or mechanical stress may be magnetically triggered to promote certain cellular pathways. To start with, we need magnetic nanoparticles with several well-defined and reproducible structural, physical, and chemical features, while bio-magnetic nanoparticle design imposes several additional constraints...
February 17, 2017: Biochimica et Biophysica Acta
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