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https://www.readbyqxmd.com/read/29334243/facile-synthesis-of-simple-2-oxindole-based-compounds-with-promising-antiproliferative-activity
#1
Riham F George
AIM: Discovery of novel potent anticancer agents with lower side effects is a challenge to overcome cancer, the second leading cause of death. METHODOLOGY: 2-oxindole-based hydrazides (6a-g) and benzenesulfonyl hydrazides (9a-d) were synthesized by simple condensation reactions of the appropriate hydrazides (2a-g) or (8a-d) with 1-ethyl-2,3-oxindolinedione (4). They were screened for their cytotoxicity against HepG2 (liver), MCF-7 (breast), HCT116 (colon) and A549 (lung) cancer cell lines...
January 15, 2018: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/29332599/the-synthesis-of-chalcones-as-anticancer-prodrugs-and-their-bioactivation-in-cyp1-expressing-breast-cancer-cells
#2
Ketan Ruparelia, Keti Zeka, Randolph R Arroo, Kenneth J M Beresford
BACKGROUND: Although the expression levels of many P450s differ between tumour and corresponding normal tissue, CYP1B1 is one of the few CYP subfamilies which is significantly and consistently overexpressed in tumours. CYP1B1 has been shown to be active within tumours and is capable of metabolising a structurally diverse range of anticancer drugs. Because of this, and its role in the activation of procarcinogens, CYP1B1 is seen as an important target for anticancer drug development. OBJECTIVES: To synthesise a series of chalcone derivatives based on the chemopreventative agent DMU-135 and investigate their antiproliferative activities in human breast cancer cell lines which express CYP1B1 and CYP1A1...
January 12, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29332358/a-study-on-basic-demographic-and-disease-characteristics-of-cancer-diagnosed-syrian-refugees-treated-in-the-border-city-of-turkey-sanliurfa-a-hospital-based-retrospective-case-series-study
#3
Yasemin Bakkal Temi, Ali Murat Sedef, Serkan Gokcay, Hatice Coskun, Sedenay Oskeroglu Kaplan, Ozlem Ozkul, Huseyin Mertsoylu, Fatih Kose
PURPOSE: Turkey hosts around 3 million Syrian refugees which is more than any other country in the world. Along with some other adaptation issues like cultural, language, and economic difficulties, significant problems in managing medical problems, chronic diseases like cancer in particular, have to be fixed. However, there are few studies which explore main patient and clinicopathological characteristics in Syrian refugees with cancer. The purpose of this study was to highlight the aforementioned characteristics along with management issues after cancer diagnosis of these patients...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29331770/women-s-satisfaction-with-mammography-and-predictors-of-participation-in-an-organized-breast-cancer-screening-program-perspectives-of-a-local-health-unit-in-rome
#4
B Unim, R Boggi, M Napoli, R Fulgenzi, A Landi, G La Torre
OBJECTIVES: The aims of the study were to evaluate satisfaction with the mammography service of the Local Health Unit RMA (Rome, Lazio Region) among women who have attended the program and to identify the predictors of participation. STUDY DESIGN: Cross-sectional study. METHODS: A telephone-based questionnaire was administered to women eligible for mammography screening. The respondents were randomly selected and interviewed by the health center staff...
January 11, 2018: Public Health
https://www.readbyqxmd.com/read/29331672/breast-cancer-screening-where-have-we-been-and-where-are-we-going-a-personal-perspective-based-on-history-data-and-experience
#5
REVIEW
Daniel B Kopans
It is important to understand the history of breast cancer screening to better understand the continuing effort to reduce access to screening. Since the randomized, controlled trials have shown a statistically significant mortality reduction for women ages 40-74, the appropriate threshold for initiating screening is age 40 with no data to support the use of the age of 50 as a threshold for screening. All women are at risk for developing breast cancer and all women should have access to screening.
December 27, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/29330754/systematic-review-of-mammography-screening-educational-interventions-for-hispanic-women-in-the-united-states
#6
REVIEW
John S Luque, Ayaba Logan, Grace Soulen, Kent E Armeson, Danielle M Garrett, Caroline B Davila, Marvella E Ford
In the United States (U.S.), Hispanics experience breast cancer disparities. Breast cancer is the leading cause of cancer-related death among Hispanic women, and Hispanic women receive mammography screening at lower rates than some other ethnic groups. This low rate of screening mammography is associated with increased risk for possible late-stage diagnosis and lower survival rates. Educational interventions could play a role in increasing screening mammography rates among Hispanic women. This systematic review synthesized the current literature on educational interventions to increase mammography screening among Hispanic women...
January 12, 2018: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/29330698/circulating-hormones-and-mammographic-density-in-premenopausal-women
#7
Kimberly A Bertrand, A Heather Eliassen, Susan E Hankinson, Bernard A Rosner, Rulla M Tamimi
Prior research suggests that several endogenous hormones in premenopausal women are associated with breast cancer risk; however, few studies have evaluated associations of endogenous hormones with mammographic density (MD) in premenopausal women. We conducted a cross-sectional study of plasma hormone levels in relation to MD among 634 cancer-free premenopausal women in the Nurses' Health Study II. We measured percent MD from screening mammograms using a computer-assisted method. We assayed estradiol, estrone, and estrone sulfate in blood samples timed in early follicular and mid-luteal phases of the menstrual cycle as well as testosterone, androstenedione, progesterone, dehydroepiandrosterone (DHEA), DHEA sulfate, sex hormone-binding globulin (SHBG), and anti-Müllerian hormone in luteal or untimed samples...
January 12, 2018: Hormones & Cancer
https://www.readbyqxmd.com/read/29330447/human-placental-derived-adherent-stromal-cells-co-induced-with-tnf-%C3%AE-and-ifn-%C3%AE-inhibit-triple-negative-breast-cancer-in-nude-mouse-xenograft-models
#8
Hoshea Allen, Niva Shraga-Heled, Michal Blumenfeld, Tamar Dego-Ashto, Dana Fuchs-Telem, Ariel Gilert, Zami Aberman, Racheli Ofir
Culturing 3D-expanded human placental-derived adherent stromal cells (ASCs) in the presence of tumor necrosis factor-alpha (TNF-α) and interferon-gamma (IFN-γ) transiently upregulated the secretion of numerous anti-proliferative, anti-angiogenic and pro-inflammatory cytokines. In a 3D-spheroid screening assay, conditioned medium from these induced-ASCs inhibited proliferation of cancer cell lines, including triple-negative breast cancer (TNBC) lines. In vitro co-culture studies of induced-ASCs with MDA-MB-231 human breast carcinoma cells, a model representing TNBC, supports a mechanism involving immunomodulation and angiogenesis inhibition...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29328943/interval-breast-cancers-in-the-screening-with-tomosynthesis-or-standard-mammography-storm-population-based-trial
#9
Nehmat Houssami, Daniela Bernardi, Francesca Caumo, Silvia Brunelli, Carmine Fantò, Marvi Valentini, Giovanna Romanucci, Maria A Gentilini, Manuel Zorzi, Petra Macaskill
BACKGROUND & METHODS: The prospective 'screening with tomosynthesis or standard mammography' (STORM) trial recruited women participating in biennial breast screening in Italy (2011-2012), and compared sequential screen-readings based on 2D-mammography alone or based on tomosynthesis (integrated 2D/3D-mammography). The STORM trial showed that tomosynthesis screen-reading significantly increased breast cancer detection compared to 2D-mammography alone. The present study completes reporting of the trial by examining interval breast cancers ascertained at two year follow-up...
January 9, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29328395/bioinformatic-identification-of-chemoresistance-associated-micrornas-in-breast-cancer-based-on-microarray-data
#10
Ya-Wen Wang, Weiguo Zhang, Rong Ma
Breast cancer is the most commonly diagnosed cancer among females, and chemoresistance constitutes a major clinical obstacle to the treatment of this disease. MicroRNAs (miRNAs) are related to human cancer development, progression and drug resistance. To identify breast cancer chemoresistance-associated miRNAs, miRNA microarray dataset GSE71142, including five chemoresistant breast cancer tissues and five chemosensitive tissues, was downloaded from the Gene Expression Omnibus (GEO) database. Differentially expressed miRNAs (DE-miRNAs) were obtained by t-test and the potential target genes were predicted by miRWalk2...
January 10, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29328377/feature-genes-in-metastatic-breast-cancer-identified-by-metade-and-svm-classifier-methods
#11
Youlin Tuo, Ning An, Ming Zhang
The aim of the present study was to investigate the feature genes in metastatic breast cancer samples. A total of 5 expression profiles of metastatic breast cancer samples were downloaded from the Gene Expression Omnibus database, which were then analyzed using the MetaQC and MetaDE packages in R language. The feature genes between metastasis and non‑metastasis samples were screened under the threshold of P<0.05. Based on the protein‑protein interactions (PPIs) in the Biological General Repository for Interaction Datasets, Human Protein Reference Database and Biomolecular Interaction Network Database, the PPI network of the feature genes was constructed...
January 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29327085/acceptance-and-commitment-therapy-for-symptom-interference-in-metastatic-breast-cancer-patients-a-pilot-randomized-trial
#12
Catherine E Mosher, Ekin Secinti, Ruohong Li, Adam T Hirsh, Jonathan Bricker, Kathy D Miller, Bryan Schneider, Anna Maria Storniolo, Lida Mina, Erin V Newton, Victoria L Champion, Shelley A Johns
PURPOSE: Breast cancer is the leading cause of cancer mortality in women worldwide. With medical advances, metastatic breast cancer (MBC) patients often live for years with many symptoms that interfere with activities. However, there is a paucity of efficacious interventions to address symptom-related suffering and functional interference. Thus, this study examined the feasibility and preliminary efficacy of telephone-based acceptance and commitment therapy (ACT) for symptom interference with functioning in MBC patients...
January 12, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29326437/insertional-mutagenesis-in-a-her2-positive-breast-cancer-model-reveals-eras-as-a-driver-of-cancer-and-therapy-resistance
#13
Gerjon J Ikink, Mandy Boer, Elvira R M Bakker, Annabel Vendel-Zwaagstra, Chris Klijn, Jelle Ten Hoeve, Jos Jonkers, Lodewyk F Wessels, John Hilkens
Personalized medicine for cancer patients requires a deep understanding of the underlying genetics that drive cancer and the subsequent identification of predictive biomarkers. To discover new genes and pathways contributing to oncogenesis and therapy resistance in HER2+ breast cancer, we performed Mouse Mammary Tumor Virus (MMTV)-induced insertional mutagenesis screens in ErbB2/cNeu-transgenic mouse models. The screens revealed 34 common integration sites (CIS) in mammary tumors of MMTV-infected mice, highlighting loci with multiple independent MMTV integrations in which potential oncogenes are activated, most of which had never been reported as MMTV CIS...
January 12, 2018: Oncogene
https://www.readbyqxmd.com/read/29326016/synthesis-of-novel-6-substituted-amino-9-%C3%AE-d-ribofuranosyl-purine-analogs-and-their-bioactivities-on-human-epithelial-cancer-cells
#14
Meral Tuncbilek, Aslıgul Kucukdumlu, Ebru Bilget Guven, Duygu Altiparmak, Rengul Cetin-Atalay
New nucleoside derivatives with nitrogen substitution at the C-6 position were prepared and screened initially for their in vitro anticancer bioactivity against human epithelial cancer cells (liver Huh7, colon HCT116, breast MCF7) by the NCI-sulforhodamine B assay. N6-(4-trifluoromethylphenyl)piperazine analog (27) exhibited promising cytotoxic activity. The compound 27 was more cytotoxic (IC50 = 1-4 μM) than 5-FU, fludarabine on Huh7, HCT116 and MCF7 cell lines. The most potent nucleosides (11, 13, 16, 18, 19, 21, 27, 28) were further screened for their cytotoxicity in hepatocellular cancer cell lines...
January 2, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29325566/male-breast-cancer-diagnosis-stages-treatment-and-survival-in-a-country-with-limited-resources-burkina-faso
#15
Nayi Zongo, Smaïla Ouédraogo, Nina Korsaga-Somé, Ollo Roland Somé, Naïma Go, Edgar Ouangré, Maurice Zida, Gilbert Bonkoungou, Aimé Sosthène Ouédraogo, Aboubacar Hirrum Bambara, Bambara Augustin Tozoula, Si Simon Traoré, Ahmadou Dem, Pascal Niamba, Adama Traoré, Adama Sanou, Danielé Grazziotin Soares, Jean-Pierre Lotz
BACKGROUND: Male breast cancer is a rare and less known disease. Therapeutic modalities affect survival. In Burkina Faso, male breast cancers are diagnosed in everyday practice, but the prognosis at short-, middle-, and long-term remains unknown. The objective of this study is to study the diagnosis stages, therapeutic modalities, and 5-year survival in male breast cancer at the General Surgery Unit of Yalgado Ouedraogo University Hospital from 1990 to 2009. METHODS: A cohort longitudinal study concerning cases of breast cancer diagnosed in man...
January 11, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29323669/cost-effectiveness-and-comparative-effectiveness-of-cancer-risk-management-strategies-in-brca1-2-mutation-carriers-a-systematic-review
#16
Lara Petelin, Alison H Trainer, Gillian Mitchell, Danny Liew, Paul A James
PurposeTo review the evidence for the effectiveness and cost-effectiveness of cancer risk management interventions for BRCA carriers.MethodsComparative effectiveness and cost-effectiveness analyses were identified by searching scientific and health economic databases. Eligible studies modeled the impact of a cancer risk management intervention in BRCA carriers on life expectancy (LE), cancer incidence, or quality-adjusted life years (QALYs), with or without costs.ResultsTwenty-six economic evaluations and eight comparative effectiveness analyses were included...
January 11, 2018: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29323554/insights-into-breast-cancer-screening-a-computer-simulation-of-two-contemporary-screening-strategies
#17
Kimbroe J Carter, Frank Castro, Roy N Morcos
OBJECTIVE: The debate over the value of screening mammography is rekindled with each new published study or guideline. Central to the discussion are the uncertainties about screening benefits and harms and the criteria used to assess them. Today, the magnitude of benefits for a population is less certain, and the evolving concept of harm has come to encompass false-positives (FPs), unnecessary biopsies, overdiagnosis, and overtreatment. This study uses a Monte Carlo computer simulation to study the balance of benefits and harms of mammographic breast cancer screening for average-risk women...
January 11, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29323439/a-synthetic-binder-of-breast-cancer-stem-cells
#18
Luxi Chen, Chao Long, Kha Andy Minh Tran, Jiyong Lee
Cancer stem cells (CSCs) are associated with drug resistance, metastasis and recurrence of cancer. A synthetic binder of CSCs can provide a valuable tool to study the biology of CSCs and a lead to develop imaging, diagnostic and therapeutic agents targeting CSCs. Herein, a synthetic ligand (1) that specifically binds to CSCs over non-CSCs of breast cancer cells was identified for the first time via a cell-binding screening of a chemical library. The ligand 1 showed specific biding to CD24-/CD44+/ALDH+ CSC population of MCF-7 and MDA-MB-231...
January 11, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29323210/anticancer-potentiality-of-lignan-rich-fraction-of-six-flaxseed-cultivars
#19
Shahira M Ezzat, Samia A Shouman, Abeer Elkhoely, Yasmin M Attia, Mohamed S Elsesy, Amira S El Senousy, Mouchira A Choucry, Sabah H El Gayed, Abeer A El Sayed, Essam Abdel Sattar, Nebal El Tanbouly
The objective of our study is to highlight the therapeutic effect and mechanism of action by which purified Flaxseed hydrolysate (PFH) which is a lignan rich fraction exerts its anticancer activity on a human breast cancer cell line (T47D) and in mice bearing tumor. HPLC analysis of PFH of six flaxseed cultivars had shown that PFH of the cultivar Giza 9 (PFH-G9) contains the highest concentration of SDG (81.64 mg/g). The in vitro cytotoxic potentiality of PFH's of six flaxseed cultivars was screened against a panel of human cancer cell lines...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322115/breast-cancer-screening-behaviors-of-first-degree-relatives-of-women-receiving-breast-cancer-treatment-and-the-affecting-factors
#20
Nurcan Kırca, Ayla Tuzcu, Sebahat Gözüm
Objective: First-degree relatives of women with breast cancer are under higher risk when compared with the general population. The aim of this study is to evaluate breast cancer screening behaviors of women who are first-degree relatives of women with breast cancer and factors affecting these behaviors. Materials and Methods: This descriptive study included 240 patient relatives, who agreed to participate in the study through contact with first-degree relatives of 133 patients who were receiving breast cancer treatment at the Oncology and Chemotherapy unit of an university hospital in Turkey...
January 2018: European Journal of Breast Health
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