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Women and low estrogen

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https://www.readbyqxmd.com/read/28430617/estrogen-receptors-involvement-in-intervertebral-discogenic-pain-of-the-elderly-women-colocalization-and-correlation-with-the-expression-of-substance-p-in-nucleus-pulposus
#1
Xiao-Xing Song, Sheng Shi, Zhen Guo, Xin-Feng Li, Bu-Wei Yu
Estrogenic modulation of pain is an exceedingly complex phenomenon. However, whether estrogen is involved in discogenic low back pain still remains unclear. Here, immunoreactivity staining technique was used to examine the expression level of the estrogen receptors (ERα and ERβ) and a pain related neuropeptide, Substance P in the lumbar intervertebral discs to analyze the relationship between the ERs and Substance P. Nucleus pulposus tissues of 23 elderly female patients were harvested during spinal surgeries and made to detect the immunoreactivity staining of ERα, ERβ and Substance P...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422361/risks-of-thromboembolism-associated-with-hormone-contraceptives-in-japanese-compared-with-western-women
#2
Takao Kobayashi, Kazuko Sugiura, Toshiyuki Ojima
We extracted 581 thromboembolic events associated with combined oral contraceptives (COC) that occurred between 2004 and 2013 in Japan, from the Pharmaceuticals and Medical Devices Agency database. The most common thromboembolic events associated with COC were deep vein thrombosis, pulmonary embolism and their combination. The reported thromboembolic events increased year by year, in association with an increase in the quantity of prescribed low-dose estrogen progestin after approval for health insurance coverage for dysmenorrhea in 2008 in Japan...
April 19, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28420820/high-insulin-impaired-ovarian-function-in-early-pregnant-mice-and-the-role-of-autophagy-in-this-process
#3
Yan Su, Juan Wu, Junlin He, Xueqing Liu, Xuemei Chen, Yubin Ding, Chen Zhang, Wenqi Chen, Yingxiong Wang, Rufei Gao
Metabolic disorders, such as PCOS (polycystic ovarian syndrome) and T2DM (type 2 diabetes mellitus), are associated with menstrual dysfunction, anovulation, infertility, and early pregnancy loss. Ovarian dysfunction is not only related to low pregnancy rates but also to the increased risk of miscarriage. Women with PCOS or T2DM, characterized by hyperinsulinemia, commonly experience ovarian dysfunction. In this study, we first explored whether high insulin levels directly affected ovarian functioning during embryo implantation...
April 18, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28419166/comparison-of-standardized-uptake-value-of-18f-fdg-pet-ct-with-21-gene-recurrence-score-in-estrogen-receptor-positive-her2-negative-breast-cancer
#4
Sung Gwe Ahn, Jae-Hoon Lee, Hak Woo Lee, Tae Joo Jeon, Young Hoon Ryu, Kun Min Kim, Joohyuk Sohn, Mijin Yun, Seung Ah Lee, Joon Jeong, Seung Il Kim
BACKGROUND: We investigated the relationship between 18F-fluorodeoxyglucose positron emission tomography-computed tomography (18F-FDG-PET-CT) standardized uptake value (SUV) and 21-gene recurrence score (RS) in estrogen receptor (ER)-positive/HER2-negative breast cancer. MATERIALS AND METHODS: One hundred sixty-seven patients were identified among those who underwent preoperative 18F-FDG-PET-CT and had RS. Maximum SUV was obtained from 18F-FDG-PET-CT; the cut-off point was 4...
2017: PloS One
https://www.readbyqxmd.com/read/28415978/bacterial-communities-and-metabolic-activity-of-faecal-cultures-from-equol-producer-and-non-producer-menopausal-women-under-treatment-with-soy-isoflavones
#5
Lucía Guadamuro, Anja B Dohrmann, Christoph C Tebbe, Baltasar Mayo, Susana Delgado
BACKGROUND: Isoflavones are polyphenols with estrogenic activity found mainly in soy and soy-derived products that need to be metabolised in the intestine by the gut bacteria to be fully active. There is little knowledge about isoflavone bioconversion and equol production in the human intestine. In this work, we developed an in vitro anaerobic culture model based on faecal slurries to assess the impact of isoflavone supplementation on the overall intestinal bacterial composition changes and associated metabolic transformations...
April 17, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28412809/selective-estrogen-receptor-modulator-serm-like-activities-of-diarylheptanoid-a-phytoestrogen-from-curcuma-comosa-in-breast-cancer-cells-pre-osteoblast-cells-and-rat-uterine-tissues
#6
Natthakan Thongon, Nittaya Boonmuen, Kanoknetr Suksen, Patsorn Wichit, Arthit Chairoungdua, Patoomratana Tuchinda, Apichart Suksamrarn, Wipawee Winuthayanon, Pawinee- Piyachaturawat
Diarylheptanoids from Curcuma comosa (C. comosa), Zingiberaceae family, exhibit diverse estrogenic activities. In this study we investigated the estrogenic activity of a major hydroxyl diarylheptanoid, 7-(3,4 dihydroxyphenyl)-5-hydroxy-1-phenyl-(1E)-1-heptene (compound-092) isolated from C. comosa. The compound elicited different transcriptional activities of being estrogen agonist at low concentrations (0.1-1 μM) and antagonist at higher concentrations (10-50 μM) using luciferase reporter gene assay in HEK-293T cells...
April 15, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28409323/differences-in-subtype-distribution-between-screen-detected-and-symptomatic-invasive-breast-cancer-and-their-impact-on-survival
#7
N Kobayashi, M Hikichi, K Ushimado, A Sugioka, Y Kiriyama, M Kuroda, T Utsumi
PURPOSE: Stage shift is considered a major reason for more favorable outcomes in patients with screen-detected breast cancer. However, even after adjusting for clinical stage, unresolved issues concerning the reasons for a survival benefit associated with screening programs remain. This study aims to evaluate differences in subtype distribution and outcomes among patients with screen-detected and symptomatic invasive breast cancer and assess whether variations in subtype distribution could explain differences in prognosis...
April 13, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28401821/-70-gene-signature-as-an-aid-to-treatment-decisions-in-early-stage-breast-cancer
#8
J J M van der Hoeven
OBJECTIVE: The 70-gene signature test (MammaPrint) has been shown to improve prediction of clinical outcome in women with early-stage breast cancer. We sought to provide prospective evidence of the clinical utility of the addition of the 70-gene signature to standard clinical-pathological criteria in selecting patients for adjuvant chemotherapy. METHODS: In this randomized, phase 3 study, we enrolled 6693 women with early-stage breast cancer and determined their genomic risk (using the 70-gene signature) and their clinical risk (using a modified version of Adjuvant! Online)...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28401161/estrogen-replacement-regulates-vaginal-innervations-in-ovariectomized-adult-virgin-rats-a-histological-study
#9
Ting Li, Yuanyuan Ma, Hong Zhang, Ping Yan, Lili Huo, Yongyan Hu, Xi Chen, Ting Li, Miao Zhang, Zhaohui Liu
Background. Our previous Gräfenberg spot findings confirmed that the distal-third areas of the anterior vaginal wall bore a significantly greater number of nerves and sexual hormone may have certain degree of influence on these significant differences. However, the role of estrogen in vaginal innervations remains controversial. Methods. To investigate whether hormonal-neural interactions occur in the vagina, sixty rats were randomly divided into six groups: Sham-operated, ovariectomy, and 4 treatment groups...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28399661/hormone-therapy-for-premature-ovarian-insufficiency-patients-with-malignant-hematologic-diseases
#10
X Yang, C Wang, X He, J Wei, Y Wang, X Li, L-P Xu
OBJECTIVES: The current usage of hormone therapy (HT) among perimenopausal women is low in China, especial in women with premature ovarian insufficiency (POI) with malignant hematologic diseases. This study investigated the efficacy and safety of HT in POI patients with malignant hematologic diseases who have received myeloablative chemotherapy and hemopoietic stem cell transplantation (HSCT). METHODS: Patients who had POI after myeloablative chemotherapy and HSCT for malignant hematologic diseases were enrolled...
April 11, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28394803/hpv-negative-gastric-type-adenocarcinoma-in-situ-of-the-cervix-a-spectrum-of-rare-lesions-exhibiting-gastric-and-intestinal-differentiation
#11
Karen L Talia, Colin J R Stewart, Brooke E Howitt, Marisa R Nucci, W Glenn McCluggage
In recent years, a number of benign and malignant cervical glandular lesions exhibiting gastric differentiation have been described but premalignant gastric-type lesions have not been well characterized. We report a series of 9 cases of a rare form of cervical adenocarcinoma in situ (AIS) distinguished by gastric and sometimes intestinal differentiation and lack of association with human papillomavirus (HPV) infection. The lesions occurred in women aged 25 to 73 years (mean age 51 y). All cases were located at (or just proximal to) the cervical transformation zone and there was extension to the lower uterine segment in 3 cases, 2 of which also involved the endometrium...
April 7, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28389994/neuroendocrine-tumors-of-the-breast
#12
REVIEW
Daniel W Visscher, Saba Yasir
A small but increasingly recognized and studied subset of breast carcinomas are characterized by neuroendocrine (NE) differentiation. As with nearly all forms of breast neoplasia, NE tumors are characterized by considerable heterogeneity in microscopic appearance and clinical aggressiveness. About half of NE breast carcinomas recapitulate the histological spectrum typical of their counterparts in other organ systems, varying from "carcinoid-like" to small cell carcinoma, with most representing intermediate grade tumors...
April 8, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28388952/breast-cancer-in-iraq-is-associated-with-a-unimodally-distributed-predominance-of-luminal-type-b-over-luminal-type-a-surrogates-from-young-to-old-age
#13
Runnak A Majid, Hemin A Hassan, Dana N Muhealdeen, Hazha A Mohammed, Michael D Hughson
BACKGROUND: Breast cancer has recently increased in post-menopausal Iraqi women. In Western countries at high-risk for breast cancer, there is a bimodal increase in estrogen receptor (ER) positive tumors with a peak of low proliferation rate luminal A over higher proliferation rate luminal B tumors after 60 years of age. The aim of this study was to analyze in Iraqi women whether shifts are occurring in immunohistochemical (IHC) surrogates of molecular breast cancer subtypes toward a high-risk profile...
April 7, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28388333/blunted-myoglobin-and-quadriceps-soreness-after-electrical-stimulation-during-the-luteal-phase-or-oral-contraception
#14
Lindsey J Anderson, Lucinda L Baker, E Todd Schroeder
PURPOSE: Acute muscle damage after exercise triggers subsequent regeneration, leading to hypertrophy and increased strength after repeated exercise. It has been debated whether acute exercise-induced muscle damage is altered under various premenopausal estrogen conditions. Acute contraction-induced muscle damage was compared during exogenous (oral contraceptive, OC), endogenous (luteal phase, HI), or low (menses, LO) estrogen in healthy young women aged 21 to 30 years old. METHODS: Women (OC, n = 9; HI, n = 9; LO, n = 8; total N = 26) performed 1 neuromuscular electrical stimulation (NMES) bout...
April 7, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28374324/which-women-decide-to-take-tamoxifen
#15
Steven A Narod, Victoria Sopik, Ping Sun
PURPOSE: To identify factors which predict, among estrogen receptor (ER)-positive breast cancer patients, who chooses to take adjuvant tamoxifen. METHODS: We studied 1347 women with ER-positive breast cancer who were treated at Women's College Hospital between 1987 and 2000. For each patient, we obtained information on age at diagnosis, tumour size, lymph node status, ER status, treatments received and dates of local recurrence and of death. We compared women who did and who did not take tamoxifen for a range of factors...
April 3, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28364865/the-effect-of-hormone-replacement-therapy-and-tibolone-on-lipoprotein-a-concentrations-in-postmenopausal-women-a-systematic-review-and-meta-analysis
#16
REVIEW
Panagiotis Anagnostis, Petros Galanis, Vasileia Chatzistergiou, John C Stevenson, Ian F Godsland, Irene Lambrinoudaki, Mamas Theodorou, Dimitrios G Goulis
OBJECTIVE: Data on the effect of hormone replacement therapy (HRT) and tibolone on lipoprotein (a) [Lp(a)], an independent risk factor for cardiovascular disease, are heterogeneous and conflicting. Studies of the effect of HRT and tibolone on Lp(a) concentrations in post-menopausal women are reviewed in this meta-analysis. DESIGN AND METHODS: MEDLINE, Scopus, EMBASE and Cochrane databases were searched (up to February 10, 2017). Two researchers identified randomized controlled studies and extracted data...
May 2017: Maturitas
https://www.readbyqxmd.com/read/28361752/an-empirically-derived-dietary-pattern-associated-with-breast-cancer-risk-is-validated-in-a-nested-case-control-cohort-from-a-randomized-primary-prevention-trial
#17
Brandon H Hidaka, Bruce F Kimler, Carol J Fabian, Susan E Carlson
BACKGROUND & AIMS: We reported an association between cytologic atypia, a reversible biomarker of breast cancer risk, and lower omega-3/omega-6 fatty acid ratio in blood and breast tissue. Our goal was to develop and validate a dietary pattern index in this high-risk sample of U.S. women, and test its capacity to predict incidence in a nested case-control cohort of Canadian women from a randomized trial of a low-fat dietary intervention for primary prevention of breast cancer. METHODS: Food intake was measured by food frequency questionnaire in the U...
February 2017: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28351341/impact-of-disease-activity-on-health-related-quality-of-life-in-systemic-lupus-erythematosus-a-cross-sectional-analysis-of-the-swiss-systemic-lupus-erythematosus-cohort-study-sscs
#18
Benjamin Chaigne, Carlo Chizzolini, Thomas Perneger, Marten Trendelenburg, Uyen Huynh-Do, Eric Dayer, Thomas Stoll, Johannes von Kempis, Camillo Ribi
BACKGROUND: To assess the impact of disease activity on health-related quality of life (HRQoL) in systemic lupus erythematosus (SLE). METHODS: Cross-sectional study of patients included in the Swiss SLE Cohort Study between April 2007 and June 2014. HRQoL outcomes were based on the Medical Outcome Study Short Form 36 (SF-36). Disease activity was assessed by the SLE Disease Activity Index score with the Safety of Estrogens in SLE National Assessment modification (SELENA-SLEDAI) and by the physican's global assessment (PGA)...
March 28, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28350758/effects-of-ultralow-topic-estriol-dose-on-vaginal-health-and-quality-of-life-in-postmenopausal-women-who-underwent-surgical-treatment-for-pelvic-organ-prolapse
#19
Salvatore Caruso, Stefano Cianci, Salvatore Giovanni Vitale, Maria Grazia Matarazzo, Francesca Flavia Amore, Antonio Cianci
OBJECTIVE: To evaluate the efficacy of low concentrations of vaginal estriol gel in postmenopausal women with pelvic static disorders before and after vaginal surgical treatment, assessing vaginal health, sexual function, and quality of life (QoL). METHODS: Women affected by genital prolapse were enrolled. Vaginal health, QoL, and sexual function were investigated at baseline (T0), before surgery (T1), and 13 weeks after surgery (T2). At baseline, participants were randomized 1:1...
March 27, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28349880/anti-inflammatory-and-antithrombotic-effects-of-nicotine-exposure-in-oral-contraceptive-induced-insulin-resistance-is-glucocorticoid-independent
#20
Lawrence Aderemi Olatunji, Olugbenga Samuel Michael, Oluwaseun Aremu Adeyanju, Emmanuel Damilare Areola, Ayodele Olufemi Soladoye
BACKGROUND: Reports showed that estrogen-progestin oral contraceptive (COC) or tobacco smoking causes increased risk of cardiovascular diseases (CVD) in premenopausal women. Studies also suggest that nicotine; a major tobacco alkaloid may worsen or improve atherothrombotic CVD. Altered hemorheology, prothrombotic and pro-inflammatory biomarkers, have been implicated in the development of atherothrombotic CVD events. However, the effect of non-smoking nicotine exposure on these biomarkers during COC treatment is not yet established...
December 19, 2016: Pharmacological Reports: PR
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