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https://www.readbyqxmd.com/read/28732325/epidemiology-and-pathophysiology-of-pregnancy-associated-breast-cancer-a-review
#1
REVIEW
Rossana Ruiz, Carmen Herrero, Kathrin Strasser-Weippl, Diego Touya, Jessica St Louis, Alexandra Bukowski, Paul E Goss
The interactions between pregnancy and breast cancer (BC) are complex. Overall, parity is associated with long-term protective effects against BC, however in a small group of susceptible patients, pregnancy can lead to the development of a form of BC with a particularly poor prognosis. Pregnancy-associated breast cancer (PABC) remains an under-studied but important and growing clinical problem worldwide. Several aspects of PABC, including risk factors and mechanisms involved in its occurrence and aggressiveness, are incompletely understood...
July 18, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28730256/advanced-metastatic-breast-cancer-in-pregnancy-the-imperative-of-physical-breast-examination-in-pregnancy
#2
Anca Angela Simionescu, Claudia Valentina Georgescu, Mirela Corina Ghiluşi, Sabrina Ioana Stoica, Mircea Dragoş Median
Breast cancer is the most frequent cancer diagnosed among women; its association with pregnancy is not encountered. As childbearing age is increasing, the diagnosis of breast cancer associated pregnancy tends to be more often than years ago. Here we report a case of a 37-year-old patient, gravida 7, para 7, diagnosed at 30 weeks gestation with metastatic breast cancer. The patient presented to hospital due to an altered performance status. Obstetrical evaluation was within normal range. A metastatic infiltrating breast cancer poorly differentiated (G3) with satellite skin lesions (T4b), ipsilateral axillary and supraclavicular lymph nodes (N3), lung metastasis bilateral with pleural effusion and hepatic metastasis (M1), were diagnosed...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28720108/early-pregnancy-sex-steroids-during-primiparous-pregnancies-and-maternal-breast-cancer-a-nested-case-control-study-in-the-northern-sweden-maternity-cohort
#3
Renée T Fortner, Eglé Tolockiene, Helena Schock, Husam Oda, Hans-Åke Lakso, Göran Hallmans, Rudolf Kaaks, Paolo Toniolo, Anne Zeleniuch-Jacquotte, Kjell Grankvist, Eva Lundin
BACKGROUND: Pregnancy and parity are associated with subsequent breast cancer risk. Experimental and epidemiologic data suggest a role for pregnancy sex steroid hormones. METHODS: We conducted a nested case-control study in the Northern Sweden Maternity Cohort (1975-2007). Eligible women had provided a blood sample in the first 20 weeks of gestation during a primiparous pregnancy leading to a term delivery. The current study includes 223 cases and 417 matched controls (matching factors: age at and date of blood collection)...
July 18, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28715966/protective-effects-of-human-chorionic-gonadotropin-against-breast-cancer-how-can-we-use-this-information-to-prevent-treat-the-disease
#4
C V Rao
Breast cancers (BCs) are the most common malignancies among women worldwide. Giving birth to a first child before 24 years of age decreases the BC risk by about half, when women reach menopausal years. The scientific evidence suggests that the actions of human chorionic gonadotropin (hCG) are responsible for this decrease. Human BC cells and tissues contain hCG/luteinizing hormone receptors. The activation of the receptors results in an increase in cell differentiation and apoptosis. Conversely, it decreases the cell proliferation, invasion, and survival...
August 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28715959/preeclampsia-and-maternal-risk-of-breast-cancer-a-meta-analysis-of-cohort-studies
#5
Meizhen Sun, Yongling Fan, Yuanyuan Hou, Yanyan Fan
BACKGROUND: Pregnancy-related hypertensive disorders, including preeclampsia (PE) and pregnancy-induced hypertension (PIH), may influence the maternal risk of breast cancer. However, results of the cohort studies were inconsistent. METHODS: An updated meta-analysis of cohort studies was performed to evaluate the association between PE, PIH and maternal breast cancer incidence. Relevant studies were identified via searching of PubMed and Embase databases. A random effect model was applied to synthesize the results...
July 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28713995/bioinformatic-analysis-of-computational-identified-differentially-expressed-genes-in-tumor-stoma-of-pregnancy%C3%A2-associated-breast-cancer
#6
Qian Zhou, Erhu Sun, Lijun Ling, Xiaofeng Liu, Min Zhang, Hong Yin, Cheng Lu
The present study aimed to screen the differentially expressed genes (DEGs) in tumor‑associated stroma of pregnancy‑associated breast cancer (PABC). By analyzing Affymetrix microarray data (GSE31192) from the Gene Expression Omnibus database, DEGs between tumor asso-ciated stromal cells and normal stromal cells in PABC were identified. Gene Ontology (GO) function and pathway enrichment analyses for the DEGs were then performed, followed by construction of a protein‑protein interaction (PPI) network. A total of 94 upregulated and 386 downregulated DEGs were identified between tumor associated stromal cells and normal stromal cells in patients with PABC...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28707256/monitoring-in-vivo-the-mammary-gland-microstructure-during-morphogenesis-from-lactation-to-post-weaning-using-diffusion-tensor-mri
#7
Noam Nissan, Edna Furman-Haran, Myra Shapiro-Feinberg, Dov Grobgeld, Hadassa Degani
Lactation and the return to the pre-conception state during post-weaning are regulated by hormonal induced processes that modify the microstructure of the mammary gland, leading to changes in the features of the ductal / glandular tissue, the stroma and the fat tissue. These changes create a challenge in the radiological workup of breast disorder during lactation and early post-weaning. Here we present non-invasive MRI protocols designed to record in vivo high spatial resolution, T2-weighted images and diffusion tensor images of the entire mammary gland...
July 13, 2017: Journal of Mammary Gland Biology and Neoplasia
https://www.readbyqxmd.com/read/28700986/chemotherapy-during-pregnancy-cases-of-hodgkin-s-and-non-hodgkin-s-lymphoma-chronic-myeloid-leukemia-breast-cancer-nasopharyngeal-cancer-and-choriocarcinoma
#8
Kemal Beksac, Gokcen Orgul, Ozgur Ozyuncu, Murat Yurdakok, Kadri Altundag, Mehmet S Beksac
No abstract text is available yet for this article.
July 13, 2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28696086/pregnancy-after-breast-cancer-hope-after-the-storm
#9
Valeria DE Simone, Olivia Pagani
INTRODUCTION: In the last decades, long-term outcomes of young women with breast cancer have greatly improved, raising several new survivorship needs which include fertility preservation and pregnancy. The prejudice against pregnancy after breast cancer is still alive among different healthcare providers (e.g. gynecologists, oncologists, general practitioners) and women are often confused and left alone in their family decision planning. EVIDENCE ACQUISITION AND SYNTHESIS: All the available retrospective data confirm pregnancy after breast cancer is safe both for the mother and the offspring, also in women with hormone receptor positive disease...
July 10, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28686476/oncology-physicians-perspectives-on-practices-and-barriers-to-fertility-preservation-and-the-feasibility-of-a-prospective-study-of-pregnancy-after-breast-cancer
#10
Shoshana M Rosenberg, Shari Gelber, Richard D Gelber, Ethan Krop, Larissa A Korde, Olivia Pagani, Ann H Partridge
PURPOSE: POSITIVE (Pregnancy Outcome and Safety of Interrupting Therapy for women with endocrine responsIVE breast cancer) is a prospective clinical trial assessing safety and pregnancy outcomes in premenopausal hormone receptor-positive breast cancer survivors (age ≤42) who interrupt endocrine therapy (ET) to attempt pregnancy. We sought to assess interest in this study and perspectives on fertility preservation (FP) among United States medical oncologists who had previously enrolled women at their institutions on select premenopausal endocrine studies...
July 7, 2017: Journal of Adolescent and Young Adult Oncology
https://www.readbyqxmd.com/read/28673325/maternal-intake-of-high-n-6-polyunsaturated-fatty-acid-diet-during-pregnancy-causes-transgenerational-increase-in-mammary-cancer-risk-in-mice
#11
Nguyen M Nguyen, Fabia de Oliveira Andrade, Lu Jin, Xiyuan Zhang, Madisa Macon, M Idalia Cruz, Carlos Benitez, Bryan Wehrenberg, Chao Yin, Xiao Wang, Jianhua Xuan, Sonia de Assis, Leena Hilakivi-Clarke
BACKGROUND: Maternal and paternal high-fat (HF) diet intake before and/or during pregnancy increases mammary cancer risk in several preclinical models. We studied if maternal consumption of a HF diet that began at a time when the fetal primordial germ cells travel to the genital ridge and start differentiating into germ cells would result in a transgenerational inheritance of increased mammary cancer risk. METHODS: Pregnant C57BL/6NTac mouse dams were fed either a control AIN93G or isocaloric HF diet composed of corn oil high in n-6 polyunsaturated fatty acids between gestational days 10 and 20...
July 3, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28670784/gene-environment-interactions-involving-functional-variants-results-from-the-breast-cancer-association-consortium
#12
Myrto Barrdahl, Anja Rudolph, John L Hopper, Melissa C Southey, Annegien Broeks, Peter A Fasching, Matthias W Beckmann, Manuela Gago-Dominguez, J Esteban Castelao, Pascal Guénel, Thérèse Truong, Stig E Bojesen, Susan M Gapstur, Mia M Gaudet, Hermann Brenner, Volker Arndt, Hiltrud Brauch, Ute Hamann, Arto Mannermaa, Diether Lambrechts, Lynn Jongen, Dieter Flesch-Janys, Kathrin Thoene, Fergus J Couch, Graham G Giles, Jacques Simard, Mark S Goldberg, Jonine Figueroa, Kyriaki Michailidou, Manjeet K Bolla, Joe Dennis, Qin Wang, Ursula Eilber, Sabine Behrens, Kamila Czene, Per Hall, Angela Cox, Simon Cross, Anthony Swerdlow, Minouk J Schoemaker, Alison M Dunning, Rudolf Kaaks, Paul D P Pharoah, Marjanka Schmidt, Montserrat Garcia-Closas, Douglas F Easton, Roger L Milne, Jenny Chang-Claude
Investigating the most likely causal variants identified by fine-mapping analyses may improve the power to detect gene-environment interactions. We assessed the interplay between 70 SNPs identified by genetic fine-scale mapping of susceptibility loci and 11 epidemiological breast cancer risk factors in relation to breast cancer. Analyses were conducted on up to 58,573 subjects (26,968 cases, 31,605 controls) from the Breast Cancer Association Consortium (BCAC), in one of the largest studies of its kind. Analyses were carried out separately for estrogen receptor positive (ER+) and estrogen receptor negative (ER-) disease...
July 3, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28667029/association-of-the-del1518-promoter-rs3730485-polymorphism-in-the-mdm2-gene-with-breast-cancer-in-a-mexican-population
#13
Martha Patricia Gallegos-Arreola, María Guadalupe Márquez-Rosales, José Sánchez-Corona, Luis Eduardo Figuera, Guillermo Zúñiga-González, Ana María Puebla-Pérez, Jorge Iván Delgado-Saucedo, Héctor Montoya-Fuentes
INTRODUCTION: The MDM2 gene plays an important role in tumorigenesis. The data on the Del1518 promoter polymorphism in the MDM2 gene have revealed associations with cancer. MATERIAL AND METHODS: We examined the role of the MDM2 Del1518 polymorphism through a comparison of the genotypes of 345 healthy Mexican women with those of 742 Mexican women with breast cancer (BC). RESULTS: The genotype frequencies of the MDM2 Del1518 polymorphism in controls and patients with BC were 64% and 55...
May 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28651116/pd-1-pd-l1-and-ctla-4-in-pregnancy-related-and-in-early-onset-breast-cancer-a-comparative-study
#14
Balázs Ács, Lilla Madaras, Anna-Mária Tőkés, Attila Kristóf Kovács, Erzsébet Kovács, Magdolna Ozsvári-Vidákovich, Ádám Karászi, Ede Birtalan, Magdolna Dank, Attila Marcell Szász, Janina Kulka
PURPOSE: We aimed to compare the immunohistochemical expression of PD-1, PD-L1 and CTLA-4 of pregnancy-related breast cancer (PRBC) and early onset non-PRBC (YWBC), and their prognosis prediction potential was correlated to that of conventional clinicopathological factors. METHODS: Twenty-one PRBC cases were paired with 21 YWBC in this matched case-control study. Immune-checkpoint markers (ICM) were evaluated with immunohistochemistry (IHC) on whole slides using the following antibodies: PD-1 (NAT-105), PD-L1 (28-8) and CTLA-4 (F-8)...
June 23, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28649094/current-management-of-pregnancy-associated-breast-cancer
#15
H Hy Yu, P Sy Cheung, R Cy Leung, T N Leung, W H Kwan
Pregnancy-associated breast cancer is the most common malignancy during pregnancy with an expected rise in incidence. The belief in the need for termination of pregnancy and that chemotherapy is contra-indicated during pregnancy is challenged by recent evidence. Patients can consider breast-conserving surgery and sentinel lymph node biopsy with acceptably low fetal risk from radiation exposure. A range of chemotherapeutics is possible in the second trimester in terms of drug class and frequency. Hormone therapy and monoclonal antibody therapy are contra-indicated during pregnancy and lactation...
June 26, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28645785/contraceptive-counseling-in-reproductive-aged-women-treated-for-breast-cancer-at-a-tertiary-care-institution-a-retrospective-analysis
#16
Sara L Johansen, Klaira Lerma, Kate A Shaw
OBJECTIVE: To assess the frequency of documented contraceptive and fertility preservation counseling for women treated for breast cancer. STUDY DESIGN: We conducted a chart analysis of female breast cancer patients (n=211) ages 18-45 receiving chemotherapy treatment at Stanford Comprehensive Cancer Center from 2010-2014. Primary outcomes of contraceptive counseling and fertility preservation counseling documentation were assessed for frequency. Secondary outcomes included pregnancy testing, contraception use, and pregnancy during treatment...
June 20, 2017: Contraception
https://www.readbyqxmd.com/read/28639461/hormonal-contraception-and-breast-cancer-what-more-do-we-need-to-know
#17
Jo Marsden
Most women use hormonal contraception for more than 30 years and for many, this may involve exposure in their older reproductive years when baseline breast cancer risk rises steeply. Overall, the risk of breast cancer diagnosis with exposure to hormonal contraception is very small and outweighed by its contraceptive benefits but despite this, there are still outstanding questions for all methods used in clinical practice due to paucity of available evidence, lack of which should not be taken to imply safety...
January 1, 2017: Post Reproductive Health
https://www.readbyqxmd.com/read/28639240/approach-to-thyroid-carcinoma-in-pregnancy
#18
Cristina Modesti, Paola Aceto, Lucia Masini, Celestino Pio Lombardi, Rocco Bellantone, Liliana Sollazzi
Thyroid carcinoma is the first cancer found in general population and the second diagnosed during pregnancy following the breast one. Diagnostic and therapeutic approaches to thyroid malignancy in pregnant women pose several and serious issues to the physicians. Even if there is no consensus about the surgical treatment of thyroid carcinomas during pregnancy, a large number of women undergo surgery over the world. The best surgical and anesthesiological treatment should be chosen after reaching a consensus between surgeons, anesthesiologists, obstetrics, and the patients...
June 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28623970/localization-of-the-placental-bcrp-abcg2-transporter-to-lipid-rafts-role-for-cholesterol-in-mediating-efflux-activity
#19
John T Szilagyi, Anna M Vetrano, Jeffrey D Laskin, Lauren M Aleksunes
INTRODUCTION: The breast cancer resistance protein (BCRP/ABCG2) is an efflux transporter in the placental barrier. By transporting chemicals from the fetal to the maternal circulation, BCRP limits fetal exposure to a range of drugs, toxicants, and endobiotics such as bile acids and hormones. The purpose of the present studies was to 1) determine whether BCRP localizes to highly-ordered, cholesterol-rich lipid raft microdomains in placenta microvillous membranes, and 2) determine the impact of cholesterol on BCRP-mediated placental transport in vitro...
July 2017: Placenta
https://www.readbyqxmd.com/read/28611542/protecting-effects-of-gonadotropin-releasing-hormone-agonist-on-chemotherapy-induced-ovarian-damage-in-premenopausal-breast-cancer-patients-a-systematic-review-and-meta-analysis
#20
REVIEW
Fang Bai, Yunshu Lu, Kejin Wu, Qing Chen, Longlong Ding, Meixin Ge, Ziyi Weng
OBJECTIVE: There is no universal consensus on whether gonadotropin-releasing hormone (GnRH) agonist could protect chemotherapy-induced ovarian damage in premenopausal breast cancer patients. This meta-analysis was conducted to estimate the protective effects of GnRH agonist on premenopausal breast cancer patients in details. METHODS: PubMed, Cochrane Library, Embase, CNKI and the Chinese Wangfang Database, conference proceedings and clinical trials were searched to find studies reported since 2000...
March 2017: Breast Care
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