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https://www.readbyqxmd.com/read/29055289/trends-in-incidence-and-associated-risk-factors-of-suicide-mortality-among-breast-cancer-patients
#1
Apostolos Gaitanidis, Michail Alevizakos, Michail Pitiakoudis, Doreen Wiggins
OBJECTIVE: Breast cancer patients are associated with an increased risk for committing suicide. The purpose of this study is to study the trends in the incidence of suicide mortality and identify pertinent risk factors among patients with breast cancer. METHODS: A retrospective examination of the Surveillance Epidemiology and End Results (SEER) database between years 1973 and 2013 was performed. RESULTS: Overall, 474,128 patients were identified of which 773 had committed suicide...
October 21, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/29055286/in-defense-of-progesterone-a-review-of-the-literature
#2
Allan Lieberman, Luke Curtis
Context • The medical literature on the use of progesterone in postmenopausal women is often confusing and contradictory. Some physicians implicate natural progesterone in an increase in the risk of breast cancer. The chemical structure of natural progesterone (P4) is quite different from chemically altered, synthetic chemicals called progestins, which results in different actions at the cell level. Objective • The research team intended to review the literature to examine the benefits and safety of natural progesterone and determine whether it can cause an increase or decrease in breast cancer risk...
October 21, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/29055048/adolescent-obesity-and-adult-male-breast-cancer-in-a-cohort-of-1-382-093-men
#3
Lital Keinan-Boker, Hagai Levine, Adi Leiba, Estela Derazne, Jeremy D Kark
Male breast cancer (MBC) accounts for 1% of all breast cancer. Adult obesity and tallness are risk factors for MBC, but the role of adolescent fatness is largely unknown. We aimed to assess the association between body mass index (BMI) in adolescence and the incidence of MBC in a large cohort of 16-19 year-old Israeli males. 1,382,093 Jewish Israeli males aged 16-19 who underwent anthropometric measurements, a General Intelligence Test (GIT) and other examinations during 1967-2011, were followed up to 31.12...
October 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29054883/the-role-of-patient-and-physician-advocacy-in-reducing-wait-times-for-cancer-care-a-qualitative-analysis
#4
Maria Mathews, Donna Bulman, Dana Ryan
BACKGROUND: There is growing interest in the role of physician as health advocate; however, few studies have documented advocacy from the patient's perspective. To address this gap, we examined the experiences of patients with cancer from the onset of symptoms to the start of treatment in Newfoundland and Labrador and aimed to describe wait times and efforts to improve timeliness of care from the patients' perspective. METHODS: We conducted qualitative interviews with 60 participants aged 19 years or more with breast, colorectal, lung or prostate cancer who were recruited from a survey of patients with cancer that was carried out as an earlier part of a larger study...
October 17, 2017: CMAJ Open
https://www.readbyqxmd.com/read/29054418/selenium-and-breast-cancer-risk-focus-on-cellular-and-molecular-mechanisms
#5
Camile C Fontelles, Thomas P Ong
Selenium (Se) is a micronutrient with promising breast cancer prevention and treatment potential. There is extensive preclinical evidence of Se mammary carcinogenesis inhibition. Evidence from epidemiological studies is, however, unclear and intervention studies are rare. Here, we examine Se chemoprotection, chemoprevention, and chemotherapy effects in breast cancer, focusing on associated cellular and molecular mechanisms. Se exerts its protective actions through multiple mechanisms that involve antioxidant activities, induction of apoptosis, and inhibition of DNA damage, cell proliferation, angiogenesis, and invasion...
2017: Advances in Cancer Research
https://www.readbyqxmd.com/read/29054139/mc-media-pad-acplus%C3%A2-for-enumeration-of-aerobic-counts-in-a-variety-of-foods
#6
Hajime Teramura, Gail Betts
The MC-Media Pad ACplus™ is a dry, rehydratable film medium for the enumeration of aerobic bacterial colonies.The performance of the method in a variety of foods was compared to that of U.S. reference methods: U.S. Department of Agriculture (USDA) Food Safety and Inspection Service (FSIS) Microbiology Laboratory Guidebook (MLG) Chapter 3.02 "Quantitative Analysis of Bacteria in Foods as Sanitary Indicators" (USDA/FSIS MLG 3.02); Standard Methods for the Examination of Dairy Products (SMEDP) Chapter 6 "Microbiological Count Methods, Standard Plate Count Method" (SMEDP 6); AOAC Official Method(SM)966...
October 20, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29053678/assay-for-phosphorylation-and-microtubule-binding-along-with-localization-of-tau-protein-in-colorectal-cancer-cells
#7
Md Nazmul Huda, Erdenedolgor Erdene-Ochir, Cheol-Ho Pan
The microtubule-associated protein tau is a neuronal protein that localizes mostly in axons. Generally tau is essential for normal neuronal functioning because it is involved in microtubule assembly and stabilization. Besides neurons, tau is expressed in human breast, prostate, gastric, colorectal, and pancreatic cancers where it shows nearly similar structure and exerts similar functions as the neuronal tau. The amount of tau and its phosphorylation can change its function as a stabilizer of microtubules, and lead to the development of paired helical filaments in different neurodegenerative disorders, such as Alzheimer's disease...
October 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29053567/eco-friendly-formulated-zinc-oxide-nanoparticles-induction-of-cell-cycle-arrest-and-apoptosis-in-the-mcf-7-cancer-cell-line
#8
Amin Boroumand Moghaddam, Mona Moniri, Susan Azizi, Raha Abdul Rahim, Arbakariya Bin Ariff, Mohammad Navaderi, Rosfarizan Mohamad
Green products have strong potential in the discovery and development of unique drugs. Zinc oxide nanoparticles (ZnO NPs) have been observed to have powerful cytotoxicity against cells that cause breast cancer. The present study aims to examine the cell cycle profile, status of cell death, and pathways of apoptosis in breast cancer cells (MCF-7) treated with biosynthesized ZnO NPs. The anti-proliferative activity of ZnO NPs was determined using MTT assay. Cell cycle analysis and the mode of cell death were evaluated using a flow cytometry instrument...
October 20, 2017: Genes
https://www.readbyqxmd.com/read/29053396/embryonic-stem-cell-secreted-factors-decrease-invasiveness-of-triple-negative-breast-cancer-cells-through-regulome-modulation
#9
Elizabeth Tarasewicz, Robert S Oakes, Misael O Aviles, Joelle Straehla, Kathryn M Chilton, Joseph T Decker, Jia Wu, Lonnie D Shea, Jacqueline S Jeruss
Stem cell microenvironments decrease the invasiveness of cancer cells, and elucidating the mechanisms associated with disease regression could further the development of targeted therapies for aggressive cancer subtypes. To this end, we applied an emerging technology, TRanscriptional Activity CEll aRray (TRACER), to investigate the reprogramming of triple-negative breast cancer (TNBC) cells in conditions that promoted a less aggressive phenotype. The repressive environment was established through exposure to mouse embryonic stem cell conditioned media (mESC CM)...
October 20, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29052653/distinct-trajectories-of-fatigue-and-sleep-disturbance-in-women-receiving-chemotherapy-for-breast-cancer
#10
Meagan Whisenant, Bob Wong, Sandra A Mitchell, Susan L Beck, Kathi Mooney
PURPOSE/OBJECTIVES: To examine self-reported severity of fatigue and disturbed sleep experienced daily by women with breast cancer during multiple cycles of chemotherapy, exploring potential classes of women experiencing similar symptom trajectories.
. DESIGN: In a secondary analysis, classes of women experiencing similar patterns of fatigue and disturbed sleep were identified.
. SETTING: Oncology clinics in the United States.
. SAMPLE: 166 women with breast cancer receiving chemotherapy...
November 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/29052171/statin-use-and-breast-cancer-prognosis-in-black-and-white-women
#11
Amanda Leiter, Nina A Bickell, Derek LeRoith, Anupma Nayak, Sheldon M Feldman, Neil B Friedman, Alison Estabrook, Tari A King, Kezhen Fei, Rebeca Franco, Emily J Gallagher
Studies show decreased risk of breast cancer recurrence and improved survival with statin use, but data on racial disparities regarding breast cancer prognosis and statin use are lacking. Our objective was to investigate if racial disparities in breast cancer prognosis can be partially explained by differences in pre-diagnosis statin use. Patients were identified from a prospective, multicenter study examining the effects of metabolic factors on breast cancer prognosis in Black and White women. Statin use, prognosis (as measured by Nottingham Prognostic Index), anthropometric, tumor, and socio-demographic characteristics were examined...
October 19, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/29050253/differential-expression-of-exosomal-mirnas-between-breast-cancer-patients-with-and-without-recurrence
#12
Aiko Sueta, Yutaka Yamamoto, Mai Tomiguchi, Takashi Takeshita, Mutsuko Yamamoto-Ibusuki, Hirotaka Iwase
BACKGROUND: Exosomal microRNAs (miRNAs) are promising candidate biomarkers for diagnosis or prognosis for breast cancer. We investigated the prognostic role of exosomal miRNAs in serum samples derived from patients with breast cancer and compared miRNA expression between serum and tumor tissues. METHODS: The miRNA profile derived from exosome between breast cancer patients with recurrence (n = 16) and without recurrence (n = 16) were compared by miRNA PCR array...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050219/preclinical-characterization-of-abemaciclib-in-hormone-receptor-positive-breast-cancer
#13
Raquel Torres-Guzmán, Bruna Calsina, Ana Hermoso, Carmen Baquero, Beatriz Alvarez, Joaquín Amat, Ann M McNulty, Xueqian Gong, Karsten Boehnke, Jian Du, Alfonso de Dios, Richard P Beckmann, Sean Buchanan, María José Lallena
Abemaciclib is an ATP-competitive, reversible kinase inhibitor selective for CDK4 and CDK6 that has shown antitumor activity as a single agent in hormone receptor positive (HR+) metastatic breast cancer in clinical trials. Here, we examined the mechanistic effects of abemaciclib treatment using in vitro and in vivo breast cancer models. Treatment of estrogen receptor positive (ER+) breast cancer cells with abemaciclib alone led to a decrease in phosphorylation of Rb, arrest at G1, and a decrease in cell proliferation...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050003/cantharidin-inhibits-the-growth-of-triple-negative-breast-cancer-cells-by-suppressing-autophagy-and-inducing-apoptosis-in-vitro-and-in-vivo
#14
Hong-Chang Li, Zhi-Hua Xia, Ya-Feng Chen, Fan Yang, Wen Feng, Han Cai, Yi Mei, Yi-Ming Jiang, Ke Xu, Dian-Xu Feng
BACKGROUND/AIMS: Cantharidin, a type of terpenoid secreted by the blister beetle Mylabris phalerata (Pallas), has attracted great attention in cancer therapy because of its potential anti-cancer activities. Here, we report the effects on apoptosis and autophagy in human triple-negative breast cancer (TNBC) cell lines after treatment with cantharidin and attempt to elucidate the underlying mechanisms. METHODS: MDA-MB-231 and MDA-MB-468 cells were treated with cantharidin and cell proliferation was examined using CCK-8 and clone formation assays...
October 19, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29049019/mammography-use-in-portugal-national-health-survey-2014
#15
Sofia Chkotua, Bárbara Peleteiro
INTRODUCTION: Understanding the patterns of mammography use and monitoring changes in use are essential to improving national health policy for breast cancer control. We aimed to describe the use of mammography in Portugal and to identify the determinants of its nonuse and underuse by examining data from the National Health Survey 2014. METHODS: We analyzed data on 8,758 women aged 30 years or older. We defined women at an eligible age for mammography as women aged 45 to 69...
October 19, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/29048659/microrna-520c-3p-negatively-regulates-emt-by-targeting-il-8-to-suppress-the-invasion-and-migration-of-breast-cancer
#16
Cui-Ping Tang, Han-Jing Zhou, Jian Qin, Yi Luo, Tao Zhang
Interleukin-8 (IL-8), which is secreted by cancer cells undergoing epithelial-mesenchymal transition (EMT), can promote EMT in adjacent epithelial-like cells. MicroRNAs (miRNAs/miRs) can affect the expression of target genes via binding to their 3'-untranslated regions (3'-UTRs), which may subsequently affect the biological behaviors of cancer cells. In our previous study, miR-520c-3p was predicted to directly target the 3'-UTR of IL-8. Therefore, the present study was carried out to investigate whether miR-520c-3p can interact with the IL-8 gene and regulate the EMT of breast cancer cells...
September 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29047326/integrating-chws-as-part-of-the-team-leading-diabetes-group-visits-a-randomized-controlled-feasibility-study
#17
Elizabeth M Vaughan, Craig A Johnston, Victor J Cardenas, Jennette P Moreno, John P Foreyt
Purpose The purpose of the study was to evaluate the feasibility of integrating Community Health Workers (CHWs) as part of the team leading diabetes group visits. Methods This was a randomized controlled study that integrated CHWs as part of the team leading diabetes group visits for low-income Hispanic adults (n = 50). Group visits met for 3 hours each month for a 6-month duration. Main measures included baseline and 6-month clinical outcomes (ie, A1C, lipids), concordance with 8 standard of care guidelines (ie, screens for cervical, breast, and colon cancer) from the US Preventive Task Force and American Diabetes Association, and participant acceptability...
October 1, 2017: Diabetes Educator
https://www.readbyqxmd.com/read/29047106/extracellular-5-nucleotidase-cd73-promotes-human-breast-cancer-cells-growth-through-akt-gsk-3%C3%AE-%C3%AE-catenin-cyclind1-signaling-pathway
#18
Jiangang Yu, Xue Wang, Qi Lu, Jigang Wang, Luying Li, Xiaohong Liao, Wei Zhu, Lei Lv, Xiuling Zhi, Jerry Yu, Yiting Jin, Qiang Zou, Zhouluo Ou, Xiuping Liu, Ping Zhou
To identify the role and to explore the mechanism of extracellular 5'-nucleotidase (CD73) in human breast cancer growth, CD73 expression was measured firstly in breast cancer tissues and cell lines, and then interfered with or over-expressed by recombinant lentivirus in cell lines. Impacts of CD73 on breast cancer cell proliferation and cell cycle were investigated with colony formation assay, CCK-8 and flow cytometry. The relationship between CD73 and AKT/GSK-3β/β-catenin pathway was assessed with adenosine, adenosine 2A receptor antagonist (SCH-58261), adenosine 2A receptor agonist (NECA), CD73 enzyme inhibitor (APCP) and Akt inhibitor (MK-2206)...
October 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29047034/quantitative-volumetric-k-means-cluster-segmentation-of-fibroglandular-tissue-and-skin-in-breast-mri
#19
Anton Niukkanen, Otso Arponen, Aki Nykänen, Amro Masarwah, Anna Sutela, Timo Liimatainen, Ritva Vanninen, Mazen Sudah
Mammographic breast density (MBD) is the most commonly used method to assess the volume of fibroglandular tissue (FGT). However, MRI could provide a clinically feasible and more accurate alternative. There were three aims in this study: (1) to evaluate a clinically feasible method to quantify FGT with MRI, (2) to assess the inter-rater agreement of MRI-based volumetric measurements and (3) to compare them to measurements acquired using digital mammography and 3D tomosynthesis. This retrospective study examined 72 women (mean age 52...
October 18, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/29046752/an-exceedingly-rare-adrenal-collision-tumor-adrenal-adenoma-metastatic-breast-cancer-myelolipoma
#20
Dongyan Liu, Sahayini A Kumar
Adrenal collision tumors (ACTs), in which distinct tumors coexist without histological intermingling in the same adrenal gland, are rare and their actual prevalence is unknown. ACTs commonly consist of adrenal cortical adenoma, myelolipoma, or metastatic malignant tumor. We report a 58-year-old woman with a past history of breast cancer, who presented with a 1 month history of fevers, chills, and abdominal fullness. The physical examination and the laboratory data including endocrine studies were unremarkable...
October 2017: Journal of Community Hospital Internal Medicine Perspectives
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