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Pregnancy associated breast cancer

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https://www.readbyqxmd.com/read/28208154/gestational-diabetes-mellitus-may-be-associated-with-increased-risk-of-breast-cancer
#1
Yong-Moon Mark Park, Katie M O'Brien, Shanshan Zhao, Clarice R Weinberg, Donna D Baird, Dale P Sandler
BACKGROUND: Although a positive association between type 2 diabetes and breast cancer has been reported, an association with gestational diabetes mellitus (GDM) is less clear. METHODS: The Sister Study enroled 50 884 women aged 35-74 years, from 2003 through 2009. Cox proportional hazards models were used to estimate breast cancer risk in relation to GDM. RESULTS: Ever having GDM was not associated with breast cancer overall (hazards ratio (HR)=1...
February 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28191695/breast-cancer-in-pregnancy-avoiding-fetal-harm-when-maternal-treatment-is-necessary
#2
Christina N Cordeiro, Mary L Gemignani
The management of breast cancer during pregnancy poses unique challenges and requires a multi-disciplinary approach. In this review, we discuss the treatment of breast cancer in pregnancy and recent updates regarding the safety of surgical and chemotherapeutic treatments, including both oncologic and fetal outcomes. The treatment of breast cancer during pregnancy mirrors that outside of pregnancy, with a few important differences dictated by the balance of maternal versus fetal health. Overall, surgical treatment, neo-adjuvant chemotherapy, and/or adjuvant chemotherapy are feasible in most women during pregnancy...
February 13, 2017: Breast Journal
https://www.readbyqxmd.com/read/28170295/after-chemotherapy-treatment-for-maternal-cancer-during-pregnancy-is-breastfeeding-possible
#3
Stephen Stopenski, Anum Aslam, Xinmin Zhang, Elyce Cardonick
OBJECTIVE: To report breastfeeding complaints of women diagnosed with cancer during pregnancy and correlate success with characteristics of their treatment. MATERIALS AND METHODS: This is a prospective cohort study of women diagnosed with cancer during pregnancy who attempted breastfeeding. We surveyed participants about breast engorgement, milk let down, and consistent breast milk production through mailed questionnaires. Treatment details, including the type and number of chemotherapy cycles given during pregnancy and antepartum or postpartum depression, were collected...
February 7, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28142043/initiators-and-promoters-for-the-occurrence-of-screen-detected-breast-cancer-and-the-progression-to-clinically-detected-interval-breast-cancer
#4
Amy Ming-Fang Yen, Wendy Yi-Ying Wu, Laszlo Tabar, Stephen W Duffy, Robert A Smith, Hsiu-Hsi Chen
BACKGROUND: The risk factors responsible for breast cancer have been well documented, but the roles of risk factors as initiators, causing the occurrence of screen-detected breast cancer, or promoters, responsible for the progression of the screen-detected to the clinically-detected breast cancer, have been scarcely evaluated. METHODS: We used data from women in a cohort in Kopparberg (Dalarna), Sweden between 1977 and 2010. Conventional risk factors, breast density, and tumor-specific biomarkers are superimposed to the temporal course of the natural history of the disease...
November 28, 2016: Journal of Epidemiology
https://www.readbyqxmd.com/read/28122888/response-to-ovarian-stimulation-is-not-impacted-by-a-breast-cancer-diagnosis
#5
Molly M Quinn, Hakan Cakmak, Joseph M Letourneau, Marcelle I Cedars, Mitchell P Rosen
STUDY QUESTION: Does a breast cancer diagnosis impact ovarian function in the setting of fertility preservation? SUMMARY ANSWER: Ovarian reserve and ovarian stimulation outcomes are similar in patients with a new diagnosis of breast cancer and patients undergoing elective fertility preservation. WHAT IS KNOWN ALREADY: Prior studies, with small study populations, lack of controlling for individual differences in ovarian reserve and infertile controls, have reported conflicting outcomes for cancer patients undergoing ovarian stimulation for fertility preservation...
January 24, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28114999/parity-hormones-and-breast-cancer-subtypes-results-from-a-large-nested-case-control-study-in-a-national-screening-program
#6
Merete Ellingjord-Dale, Linda Vos, Steinar Tretli, Solveig Hofvind, Isabel Dos-Santos-Silva, Giske Ursin
BACKGROUND: Breast cancer comprises several molecular subtypes with different prognoses and possibly different etiology. Reproductive and hormonal factors are associated with breast cancer overall, and with luminal subtypes, but the associations with other subtypes are unclear. We used data from a national screening program to conduct a large nested case-control study. METHODS: We conducted a nested case-control study on participants in the Norwegian Breast Cancer Screening Program in 2006 - 2014...
January 23, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28107260/frequency-of-pregnancy-related-cancer-a-population-based-linkage-study-in-lombardy-italy
#7
Fabio Parazzini, Matteo Franchi, Alessandra Tavani, Eva Negri, Fedro Alessandro Peccatori
OBJECTIVES: The aims of this study were to estimate the occurrence of pregnancy-associated cancer overall and by site, to evaluate if the risk increases over time, and to investigate some major determinants. METHODS: This is a population-based linkage study using the regional hospital discharge forms [Scheda di Dimissione Ospedaliera (SDO)] database of Lombardy, Italy, a region with 10 million inhabitants. All resident women with a SDO reporting a birth or abortion between 2001 and 2012 were identified...
March 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28103125/opt-out-patient-navigation-to-improve-breast-and-cervical-cancer-screening-among-homeless-women
#8
Ramin Asgary, Ramesh Naderi, Juan Wisnivesky
BACKGROUND: A patient navigation model was implemented to improve breast and cervical cancer screening among women who were homeless in five shelters and shelter clinics in New York City in 2014. MATERIALS AND METHODS: Navigation consisted of opt-out screening to eligible women; cancer health and screening education; scheduling and following up for screening completion, obtaining, and communicating results to patients and providers; and care coordination with social services organizations...
January 19, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28102720/do-racial-differences-exist-in-the-association-between-pregnancy-induced-hypertension-and-breast-cancer-risk
#9
Li-Te Lin, Li-Yu Hu, Pei-Ling Tang, Kuan-Hao Tsui, Jiin-Tsuey Cheng, Wei-Chun Huang, Hong-Tai Chang
BACKGROUND: Previous studies investigating the relationship between pregnancy-induced hypertension (PIH) and breast cancer risk have yielded inconsistent results. Unlike numerous Western studies, studies have reported that PIH may be a risk factor for breast cancer in Western Asian women. To confirm these results, we designed a retrospective population-based cohort study to assess the relationship between PIH and subsequent risk for breast cancer in Taiwan. METHODS: Patients with newly diagnosed PIH were selected from the Taiwan National Health Insurance Research Database (NHIRD), and a 1:4 matched cohort of women without PIH based on age and the year of delivery was randomly selected from the same database as the comparison group...
January 19, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28098674/diethylstilbestrol-potential-health-risks-for-women-exposed-in-utero-and-their-offspring
#10
J Leocadia Conlon
Diethylstilbestrol (DES) is a synthetic estrogen given to pregnant women to prevent miscarriages and preterm labor; the drug was used between 1941 and 1971 in the United States and into the 1980s in other countries. DES exposure is associated with significant long-term health effects, including increased risk for breast cancer, cervical and vaginal clear cell adenocarcinoma, reproductive tract abnormalities, infertility, poor pregnancy outcomes, and early menopause. This article reviews the potential health risks associated with DES exposure, how to assess which patients are at risk, and management recommendations for patients exposed to DES...
February 2017: JAAPA: Official Journal of the American Academy of Physician Assistants
https://www.readbyqxmd.com/read/28086982/reproductive-factors-and-the-risk-of-triple-negative-breast-cancer-in-white-women-and-african-american-women-a-pooled-analysis
#11
Huiyan Ma, Giske Ursin, Xinxin Xu, Eunjung Lee, Kayo Togawa, Lei Duan, Yani Lu, Kathleen E Malone, Polly A Marchbanks, Jill A McDonald, Michael S Simon, Suzanne G Folger, Jane Sullivan-Halley, Dennis M Deapen, Michael F Press, Leslie Bernstein
BACKGROUND: Early age at menarche, nulliparity, late age at first completed pregnancy, and never having breastfed, are established breast cancer risk factors. However, among breast cancer subtypes, it remains unclear whether all of these are risk factors for triple-negative breast cancer (TNBC). METHODS: We evaluated the associations of these reproductive factors with TNBC, in 2658 patients with breast cancer (including 554 with TNBC) and 2448 controls aged 20-64 years, who participated in one of the three population-based case-control studies: the Women's Contraceptive and Reproductive Experiences Study, the Women's Breast Carcinoma in situ Study, or the Women's Learning the Influence of Family and Environment Study...
January 13, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28068940/early-life-socioeconomic-environment-and-mammographic-breast-density
#12
Parisa Tehranifar, Barbara A Cohn, Julie D Flom, Angeline Protacio, Piera Cirillo, L H Lumey, Karin B Michels, Mary Beth Terry
BACKGROUND: Early life social environment may influence breast cancer through shaping risk factors operating in early life, adolescence and adulthood, or may be associated with breast cancer risk independent of known risk factors. We investigated the associations between early life socioeconomic status (SES) and mammographic density, a strong risk factor for breast cancer, and the extent to which these associations were independent of risk factors across the lifecourse. METHODS: We used data from an adult follow-up study of two U...
January 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28062981/body-size-from-birth-through-adolescence-in-relation-to-risk-of-benign-breast-disease-in-young-women
#13
Catherine S Berkey, Bernard Rosner, Rulla M Tamimi, Walter C Willett, Martha Hickey, Adetunji Toriola, A Lindsay Frazier, Graham A Colditz
PURPOSE: Body size, from birth throughout adulthood, is associated with breast cancer risk, but few studies have investigated early-life body size and benign breast disease (BBD), a well-established breast cancer risk factor. We consider whether prenatal factors and size at birth, 10, 18 year, and intervening growth, are related to BBD risk. METHODS: The Growing Up Today Study includes 9032 females who completed questionnaires annually from 1996 to 2001, then 2003, 2005, 2007, 2010, and 2013...
February 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28062543/multiple-slc-and-abc-transporters-contribute-to-the-placental-transfer-of-entecavir
#14
Zhiyuan Ma, Xi Yang, Ting Jiang, Mengru Bai, Caihong Zheng, Su Zeng, Dongli Sun, Huidi Jiang
Entecavir (ETV), a nucleoside analogue with high efficacy against hepatitis B virus, is recommended as a first-line antiviral drug for the treatment of chronic hepatitis B. However, scant information is available on the use of ETV in pregnancy. To better understand the safety of ETV in pregnant women, we aimed to demonstrate whether ETV could permeate placental barrier and the underlying mechanism. Our study showed that small amount of ETV could permeate across placenta in mice. ETV accumulation in activated or non-activated BeWo cells (treated with or without forskolin) was sharply reduced in the presence of 100 μM of adenosine, cytidine and in Na+ free medium, indicating that nucleoside transporters possibly mediate the uptake of ETV...
January 6, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28050675/predictors-of-pretreatment-ca125-at-ovarian-cancer-diagnosis-a-pooled-analysis-in-the-ovarian-cancer-association-consortium
#15
Ana Babic, Daniel W Cramer, Linda E Kelemen, Martin Köbel, Helen Steed, Penelope M Webb, Sharon E Johnatty, Anna deFazio, Diether Lambrechts, Marc T Goodman, Florian Heitz, Keitaro Matsuo, Satoyo Hosono, Beth Y Karlan, Allan Jensen, Susanne K Kjær, Ellen L Goode, Tanja Pejovic, Melissa Moffitt, Estrid Høgdall, Claus Høgdall, Iain McNeish, Kathryn L Terry
PURPOSE: Cancer antigen 125 (CA125) is a glycoprotein expressed by epithelial cells of several normal tissue types and overexpressed by several epithelial cancers. Serum CA125 levels are mostly used as an aid in the diagnosis of ovarian cancer patients, to monitor response to treatment and detect cancer recurrence. Besides tumor characteristics, CA125 levels are also influenced by several epidemiologic factors, such as age, parity, and oral contraceptive use. Identifying factors that influence CA125 levels in ovarian cancer patients could aid in the interpretation of CA125 values for individuals...
January 3, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28035489/the-association-between-a-history-of-gestational-diabetes-mellitus-and-future-risk-for-female-malignancies
#16
Oded Fuchs, Eyal Sheiner, Mihai Meirovitz, Ehud Davidson, Ruslan Sergienko, Roy Kessous
OBJECTIVE: To investigate whether patients with a history of gestational diabetes mellitus (GDM) have an increased future risk for female malignancies. STUDY DESIGN: A population-based study compared the incidence of long-term female malignancies (ovary, uterine, breast, and uterine cervix) in a cohort of women with and without a diagnosis of GDM. Deliveries occurred between the years 1988-2013, with a mean follow-up duration of 12 years. Women with known malignancies prior to the index pregnancy were excluded...
March 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28002811/aberrant-regulation-of-rankl-opg-in-women-at-high-risk-of-developing-breast-cancer
#17
Stefan Kiechl, Daniel Schramek, Martin Widschwendter, Evangelia-Ourania Fourkala, Alexey Zaikin, Allison Jones, Bernadette Jaeger, Brigitte Rack, Wolfgang Janni, Christoph Scholz, Johann Willeit, Siegfried Weger, Agnes Mayr, Andrew Teschendorff, Adam Rosenthal, Lindsay Fraser, Susan Philpott, Louis Dubeau, Mohammed Keshtgar, Rebecca Roylance, Ian J Jacobs, Usha Menon, Georg Schett, Josef M Penninger
Breast cancer is the most common female cancer, affecting approximately one in eight women during their lifetime in North America and Europe. Receptor Activator of NF-kB Ligand (RANKL), its receptor RANK and the natural antagonist osteoprotegerin (OPG) are essential regulators of bone resorption. We have initially shown that RANKL/RANK are essential for hormone-driven mammary epithelial proliferation in pregnancy and RANKL/RANK have been implicated in mammary stem cell biology. Using genetic mouse-models, we and others identified the RANKL/RANK system as a key regulator of sex hormone, BRCA1-mutation, and oncogene-driven breast cancer and we proposed that RANKL/RANK might be involved in the initiation of breast tumors...
December 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/28002682/human-milk-and-matched-serum-demonstrate-concentration-of-select-mirnas
#18
Wenyi Qin, Santanu Dasgupta, John Corradi, Edward R Sauter
BACKGROUND: Pregnancy-associated breast cancers (PABCs), especially those diagnosed after childbirth, are often aggressive, with a poor prognosis. Factors influencing PABC are largely unknown. Micro(mi)RNAs are present in many human body fluids and shown to influence cancer development and/or growth. SUBJECTS AND METHODS: In six nursing mothers, we determined if breast cancer-associated miRNAs were (1) detectable in human breast milk and (2) if detectable, their relative expression in milk fractions compared to matched serum...
December 21, 2016: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28000465/difference-in-fatty-acids-composition-of-breast-adipose-tissue-in-women-with-breast-cancer-and-benign-breast-disease
#19
Lisiane Lopes da Conceição, Mariana De Moura Dias, Milene Cristine Pessoa, Geórgia Das Graças Pena, Maria Carolina Santos Mendes, Cristiane Vilas Boas Neves, Helen Hermana Miranda Hermsdorff, Renata Nascimento Freitas, Maria do Carmo Gouveia Peluzio
INTRODUCTION: Breast cancer is the second most common cancer in the world, and the most frequent cancer among women. Moreover, there are factors that influence the risk for breast cancer including the age, genetic and endocrine factors, and lifestyle. OBJECTIVES: To evaluate the consumption of fatty acids; compare the fatty acids composition in the breast adipose tissue of women with breast cancer and benign breast disease as well as potential risk factors; and describe the genotypic frequency of the Pro12Ala PPARγ polymorphism...
November 29, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/27981168/the-experiences-and-perceptions-of-women-diagnosed-with-breast-cancer-during-pregnancy
#20
Sophie Rees, Annie Young
OBJECTIVE: Although much has been documented about the experience of breast cancer, the accounts of young women have been relatively neglected, despite that around 20% of the breast cancer diagnoses occur in women under the age of 50. In particular, the voices of young women diagnosed during pregnancy are missing from research. Breast cancer is the most common cancer associated with pregnancy, and it is diagnosed in about 1 in 3000 pregnancies. METHODS: This study presents data from three women drawn from a larger study of women who had been diagnosed under the age of 45 and had completed their treatment for breast cancer...
July 2016: Asia-Pacific Journal of Oncology Nursing
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