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https://www.readbyqxmd.com/read/27912889/hormone-replacement-therapy-in-young-women-with-primary-ovarian-insufficiency-and-early-menopause
#1
REVIEW
Shannon D Sullivan, Philip M Sarrel, Lawrence M Nelson
Primary ovarian insufficiency (POI) is a rare but important cause of ovarian hormone deficiency and infertility in women. In addition to causing infertility, POI is associated with multiple health risks, including bothersome menopausal symptoms, decreased bone density and increased risk of fractures, early progression of cardiovascular disease, psychologic impact that may include depression, anxiety, and decreased perceived psychosocial support, potential early decline in cognition, and dry eye syndrome. Appropriate hormone replacement therapy (HRT) to replace premenopausal levels of ovarian sex steroids is paramount to increasing quality of life for women with POI and ameliorating associated health risks...
December 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27912781/an-immune-stratification-reveals-a-subset-of-pd-1-lag-3-double-positive-triple-negative-breast-cancers
#2
Giulia Bottai, Carlotta Raschioni, Agnese Losurdo, Luca Di Tommaso, Corrado Tinterri, Rosalba Torrisi, Jorge S Reis-Filho, Massimo Roncalli, Christos Sotiriou, Armando Santoro, Alberto Mantovani, Sherene Loi, Libero Santarpia
BACKGROUND: Stromal tumor-infiltrating lymphocytes (TILs) are a robust prognostic factor in triple-negative breast cancer (TNBC). However, the clinical significance of TILs may be influenced by the complex landscape of the tumor immune microenvironment. In this study, we aimed to evaluate the composition and the functionality of lymphocytic infiltration and checkpoint receptors in TNBC. METHODS: Formalin-fixed, paraffin-embedded tissues were retrospectively collected from a cohort of patients with early-stage TNBC treated with adjuvant anthracycline-based chemotherapy (n = 259)...
December 3, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27906261/impact-of-nonstationary-optical-illumination-on-image-reconstruction-in-optoacoustic-tomography
#3
Yang Lou, Kun Wang, Alexander A Oraevsky, Mark A Anastasio
Optoacoustic tomography (OAT), also known as photoacoustic tomography, is a rapidly emerging hybrid imaging technique that possesses great potential for a wide range of biomedical imaging applications. In OAT, a laser is employed to illuminate the tissue of interest and acoustic signals are produced via the photoacoustic effect. From these data, an estimate of the distribution of the absorbed optical energy density within the tissue is reconstructed, referred to as the object function. This quantity is defined, in part, by the distribution of light fluence within the tissue that is established by the laser source...
December 1, 2016: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/27906044/high-mammographic-breast-density-predicts-locoregional-recurrence-after-modified-radical-mastectomy-for-invasive-breast-cancer-a-case-control-study
#4
Yu-Sen Huang, Jenny Ling-Yu Chen, Chiun-Sheng Huang, Sung-Hsin Kuo, Fu-Shan Jaw, Yao-Hui Tseng, Wei-Chun Ko, Yeun-Chung Chang
BACKGROUND: We aimed to evaluate the influence of mammographic breast density at diagnosis on the risk of cancer recurrence and survival outcomes in patients with invasive breast cancer after modified radical mastectomy. METHODS: This case-control study included 121 case-control pairs of women diagnosed with invasive breast cancer between 2004 and 2009, and who had undergone modified radical mastectomy and had mammographic breast density measured before or at diagnosis...
December 1, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27896452/optimization-of-image-quality-and-dose-in-digital-mammography
#5
Agnes M F Fausto, M C Lopes, M C de Sousa, Tânia A C Furquim, Anderson W Mol, Fermin G Velasco
Nowadays, the optimization in digital mammography is one of the most important challenges in diagnostic radiology. The new digital technology has introduced additional elements to be considered in this scenario. A major goal of mammography is related to the detection of structures on the order of micrometers (μm) and the need to distinguish the different types of tissues, with very close density values. The diagnosis in mammography faces the difficulty that the breast tissues and pathological findings have very close linear attenuation coefficients within the energy range used in mammography...
November 28, 2016: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/27895758/metaplastic-carcinoma-of-the-breast-imaging-and-pathological-features
#6
Tiantian Bian, Qing Lin, Zengjie Wu, Chunxiao Cui, Chunhua Qi, Li Li, Xiaohui Su
Metaplastic carcinoma of the breast is a rare form of breast cancer. The aim of the present study was to investigate the imaging and pathological features of metaplastic carcinoma. The features identified on mammography and sonography were retrospectively reviewed in 13 women with metaplastic carcinoma of the breast. The results from the mammographs and sonographs were additionally evaluated using immunohistochemical staining for the expression of the estrogen receptor (ER) and progesterone receptor (PR), receptor tyrosine-protein kinase erbB-2 (CerbB-2) and P53...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27894075/mammographic-density-a-potential-monitoring-biomarker-for-adjuvant-and-preventative-breast-cancer-endocrine-therapies
#7
REVIEW
Michael S Shawky, Hilary Martin, Honor J Hugo, Thomas Lloyd, Kara L Britt, Andrew Redfern, Erik W Thompson
Increased mammographic density (MD) has been shown beyond doubt to be a marker for increased breast cancer risk, though the underpinning pathobiology is yet to be fully elucidated. Estrogenic activity exerts a strong influence over MD, which consequently has been observed to change predictably in response to tamoxifen anti-estrogen therapy, although results for other selective estrogen receptor modulators and aromatase inhibitors are less consistent. In both primary and secondary prevention settings, tamoxifen-associated MD changes correlate with successful modulation of risk or outcome, particularly among pre-menopausal women; an observation that supports the potential use of MD change as a surrogate marker where short-term MD changes reflect longer-term anti-estrogen efficacy...
November 21, 2016: Oncotarget
https://www.readbyqxmd.com/read/27894063/loss-of-glutaredoxin-3-impedes-mammary-lobuloalveolar-development-during-pregnancy-and-lactation
#8
Khanh Pham, Jie Dong, Xiqian Jiang, Ying Qu, Han Yu, Yisheng Yang, Walter Olea, Juan C Marini, Lawrence Chan, Jin Wang, Xander H T Wehrens, Xiaojiang Cui, Yi Li, Darryl L Hadsell, Ninghui Cheng
Mammalian glutaredoxin 3 (Grx3) has been shown to be important for regulating cellular redox homeostasis in the cell. Our previous studies indicate that Grx3 is significantly overexpressed in various human cancers including breast cancer and demonstrate that Grx3 controls cancer cell growth and invasion by regulating ROS and NF-κB signaling pathways. However, it remains to be determined whether Grx3 is required for normal mammary gland development and how it contributes to epithelial cell proliferation and differentiation in vivo In the present study, we examined Grx3 expression in different cell types within the developing mouse mammary gland (MG) and found enhanced expression of Grx3 at pregnancy and lactation stages...
November 15, 2016: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27893950/the-relationship-between-the-supply-of-primary-care-physicians-and-measures-of-breast-health-service-use
#9
Janis Barry
BACKGROUND: To investigate whether women are more likely to report receipt of a mammography recommendation from a doctor or mammography use if they reside in primary care service areas (PCSAs) having a greater number of clinically active primary care physicians. MATERIALS AND METHODS: The analysis used a nationally representative sample of women, aged 40 years and above (n = 10,706 unweighted respondents), extracted from the 2005 National Health Interview Survey...
November 28, 2016: Journal of Women's Health
https://www.readbyqxmd.com/read/27891654/the-relationship-between-oestrogen-receptor-alpha-phosphorylation-and-the-tumour-microenvironment-in-patients-with-primary-operable-ductal-breast-cancer
#10
Kelvin K W Cheng, Ashley Dickson, Fadia J A Gujam, Donald C McMillan, Joanne Edwards
AIMS: Although the role of phosphorylation of oestrogen receptor (ER) at serines 118 (p-S118) and 167 (p-S167) have been studied, the relationship between p-S118, p-S167 and the tumour microenvironment in ER-positive primary operable ductal breast cancers have not been investigated. The aims of this study are to investigate (1) the relationship between p-S118/p-S167 and the tumour microenvironment and (2) the effect of p-S118/167 on survival and recurrence in ER-positive primary operable ductal breast cancers...
November 28, 2016: Histopathology
https://www.readbyqxmd.com/read/27889762/evaluation-of-isolation-methods-for-circulating-tumor-cells-ctcs
#11
Galatea Kallergi, Eleni Politaki, Saad Alkahtani, Christos Stournaras, Vassilis Georgoulias
BACKGROUND: Detection of CTCs is a poor prognostic factor for many cancer types; however, their very low frequency represents an obstacle for their detection. The objective of the current study was to compare the performance of commonly used methods for CTCs isolation. METHODS: The evaluated methods using spiking experiments of MCF7, SKBR3 and MDA MB-231 breast cancer cell lines were (i) ficoll density gradient separation (DGS), (ii) red blood cell lysis (Erythrolysis) isolation, (iii) positive immunomagnetic selection (EpCAM Dynal beads), (iv) two different negative immunomagnetic separation systems (Dynal vs Miltenyi CD45 beads) as well as (v) the Cell Search platform and (vi) the ISET system...
November 25, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27882862/milk-and-dairy-products-good-or-bad-for-human-health-an-assessment-of-the-totality-of-scientific-evidence
#12
REVIEW
Tanja Kongerslev Thorning, Anne Raben, Tine Tholstrup, Sabita S Soedamah-Muthu, Ian Givens, Arne Astrup
BACKGROUND: There is scepticism about health effects of dairy products in the public, which is reflected in an increasing intake of plant-based drinks, for example, from soy, rice, almond, or oat. OBJECTIVE: This review aimed to assess the scientific evidence mainly from meta-analyses of observational studies and randomised controlled trials, on dairy intake and risk of obesity, type 2 diabetes, cardiovascular disease, osteoporosis, cancer, and all-cause mortality...
2016: Food & Nutrition Research
https://www.readbyqxmd.com/read/27882030/association-between-25-hydroxy-vitamin-d-and-volumetric-breast-density-via-a-fully-automated-software-volpara%C3%A2-in-the-reproductive-age-group
#13
Bushra Wasim, Khalid Khan, Mohd Abdul Samad
OBJECTIVE: To determine the association between serum 25 hydroxyvitamin D levels and percent breast density among asymptomatic premenopausal women. METHODS: Hundred asymptomatic, pre-menopausal women who visited the General Surgery Breast Clinic, Patel Hospital, Karachi, Pakistan between 3rd March and 10th November, 2015 were included in this study. The serum 25 (OH)D and calcium levels were measured and mammographic density (MD) was assessed using automated volumetric breast density software, Volpara Research (algorithm version 1...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27878513/nanoselenium-supplementation-of-heat-stressed-broilers-effects-on-performance-carcass-characteristics-blood-metabolites-immune-response-antioxidant-status-and-jejunal-morphology
#14
Morteza Safdari-Rostamabad, Seyyed Javad Hosseini-Vashan, Ali Hossein Perai, Hadi Sarir
An experiment was conducted to investigate the effects of dietary nanoselenium supplementation at 0, 0.6 and 1.2 mg/kg of diet on growth performance, serum biochemical parameters, immune response, antioxidant capacity, and jejunal morphology of 29-d-old male broilers subjected to heat stress at 37 ± 1°C for 14 d. Broilers were fed for 42 d on the experimental diets. The results showed that nanoselenium supplementation had no effect on growth performance, but it supplementation at the rate of 1.2 mg/kg diet decreased the serum concentration of cholesterol prior to the heat exposure...
November 22, 2016: Biological Trace Element Research
https://www.readbyqxmd.com/read/27873046/commercially-available-lifestyle-modification-program-randomized-controlled-trial-addressing-heart-and-bone-health-in-brca1-2-breast-cancer-survivors-after-risk-reducing-salpingo-oophorectomy
#15
Kathleen M Sturgeon, Lorraine T Dean, Mariane Heroux, Jessica Kane, Toni Bauer, Erica Palmer, Jin Long, Shannon Lynch, Linda Jacobs, David B Sarwer, Mary B Leonard, Kathryn Schmitz
PURPOSE: The goal of this RCT was to examine the efficacy and safety of a web-based program to improve cardiovascular and bone health outcomes, among 35 BRCA1/2+ breast cancer survivors who underwent prophylactic oophorectomy and thus experienced premature surgical menopause. METHODS: A 12-month commercially available web-based lifestyle modification program (Precision Nutrition Coaching) was utilized. Cardiovascular fitness, dietary intake, leisure time activity, body composition, bone mineral density, bone structure, and muscle strength were assessed...
November 21, 2016: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/27872289/fibrous-nonlinear-elasticity-enables-positive-mechanical-feedback-between-cells-and-ecms
#16
Matthew S Hall, Farid Alisafaei, Ehsan Ban, Xinzeng Feng, Chung-Yuen Hui, Vivek B Shenoy, Mingming Wu
In native states, animal cells of many types are supported by a fibrous network that forms the main structural component of the ECM. Mechanical interactions between cells and the 3D ECM critically regulate cell function, including growth and migration. However, the physical mechanism that governs the cell interaction with fibrous 3D ECM is still not known. In this article, we present single-cell traction force measurements using breast tumor cells embedded within 3D collagen matrices. We recreate the breast tumor mechanical environment by controlling the microstructure and density of type I collagen matrices...
November 21, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27869438/immunology-update-biologics
#17
S Paul Starr
Biologics are substances made from a living organism or its products. These include genes, proteins (eg, antibodies, receptors, enzymes, inhibitors), recombinant proteins, and fusion proteins. Biologics often are produced using recombinant DNA technology. For example, monoclonal antibodies are produced by inserting human genes into immortalized cell cultures, which then produce the gene product (ie, an antibody) in large quantity. Another approach is to fuse genetic material from nonhuman sources (eg, mice) with human genetic material...
November 2016: FP Essentials
https://www.readbyqxmd.com/read/27864712/associations-between-serum-lipids-and-breast-cancer-incidence-and-survival-in-the-e3n-prospective-cohort-study
#18
Mathilde His, Laureen Dartois, Guy Fagherazzi, Anne Boutten, Thierry Dupré, Sylvie Mesrine, Marie-Christine Boutron-Ruault, Françoise Clavel-Chapelon, Laure Dossus
PURPOSE: Several mechanistic studies support a role of cholesterol or its metabolites in breast cancer etiology, but associations have been inconsistent in epidemiological studies. In observational studies, possible reverse causation must be accounted for using a prospective design. We investigated prospective associations between pre-diagnostic serum lipid concentrations [total cholesterol (TC), high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides], and both breast cancer risk and survival in the E3N cohort study...
November 18, 2016: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/27864652/differences-in-mammographic-density-between-asian-and-caucasian-populations-a-comparative-analysis
#19
Nadia Rajaram, Shivaani Mariapun, Mikael Eriksson, Jose Tapia, Pui Yoke Kwan, Weang Kee Ho, Faizah Harun, Kartini Rahmat, Kamila Czene, Nur Aishah Mohd Taib, Per Hall, Soo Hwang Teo
PURPOSE: Mammographic density is a measurable and modifiable biomarker that is strongly and independently associated with breast cancer risk. Paradoxically, although Asian women have lower risk of breast cancer, studies of minority Asian women in predominantly Caucasian populations have found that Asian women have higher percent density. In this cross-sectional study, we compared the distribution of mammographic density for a matched cohort of Asian women from Malaysia and Caucasian women from Sweden, and determined if variations in mammographic density could be attributed to population differences in breast cancer risk factors...
November 18, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27863982/predictors-of-breast-cancer-worry-in-a-hispanic-and-predominantly-immigrant-mammography-screening-population
#20
Ayana April-Sanders, Sabine Oskar, Rachel C Shelton, Karen M Schmitt, Elise Desperito, Angeline Protacio, Parisa Tehranifar
OBJECTIVE: Worry about developing breast cancer (BC) worry has been associated with participation in screening and genetic testing and with follow-up of abnormal screening results. Little is known about the scope and predictors of BC worry in Hispanic and immigrant populations. METHODS: We collected in-person interview data from 250 self-identified Hispanic women recruited from an urban mammography facility (average age 50.4 years; 82% foreign-born). Women reported whether they worried about developing breast cancer rarely/never (low worry), sometimes (moderate worry), or often/all the time (high worry)...
November 15, 2016: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
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