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https://www.readbyqxmd.com/read/28812892/designer-extracts-as-tools-to-balance-estrogenic-and-chemopreventive-activities-of-botanicals-for-women-s-health
#1
Birgit M Dietz, Shao-Nong Chen, René F Ramos Alvarenga, Huali Dong, Dejan Nikolić, Martin Biendl, Richard B van Breemen, Judy L Bolton, Guido F Pauli
Botanical dietary supplements contain multiple bioactive compounds that target numerous biological pathways. The lack of uniform standardization requirements is one reason that inconsistent clinical effects are reported frequently. The multifaceted biological interactions of active principles can be disentangled by a coupled pharmacological/phytochemical approach using specialized ("knock-out") extracts. This is demonstrated for hops, a botanical for menopausal symptom management. Employing targeted, adsorbent-free countercurrent separation, Humulus lupulus extracts were designed for pre- and postmenopausal women by containing various amounts of the phytoestrogen 8-prenylnaringenin (8-PN) and the chemopreventive constituent xanthohumol (XH)...
August 16, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28812579/reproducibility-and-relative-validity-of-a-food-frequency-questionnaire-to-estimate-intake-of-dietary-phylloquinone-and-menaquinones
#2
S R Zwakenberg, A I P Engelen, G W Dalmeijer, S L Booth, C Vermeer, J J M M Drijvers, M C Ocke, E J M Feskens, Y T van der Schouw, J W J Beulens
BACKGROUND/OBJECTIVES: This study aims to investigate the reproducibility and relative validity of the Dutch food frequency questionnaire (FFQ), to estimate intake of dietary phylloquinone and menaquinones compared with 24-h dietary recalls (24HDRs) and plasma markers of vitamin K status. SUBJECTS/METHODS: In a cross-sectional study among 63 men and 58 women, the FFQ was completed three times over a 1-year period and the reproducibility was calculated over these measurements...
August 16, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28812320/the-relationship-between-periodontal-disease-tooth-loss-and-decreased-skeletal-bone-mineral-density-in-ageing-women
#3
Ivana Savić Pavičin, Jelena Dumančić, Tomislav Jukić, Tomislav Badel
AIM: Osteoporosis and periodontitis are both chronic diseases characterised by bone loss. Potential association is of great clinical importance because of multifactorial aetiology and common risk factors. The aim of this study was to determine relationship between bone mineral density (BMD), tooth loss and periodontal status taking into account age, number of years since onset of menopause and educational level. With increasing age, number of years since onset of menopause and lower educational level, decreased BMD, deteriorating periodontal status and greater tooth loss are expected...
August 15, 2017: Gerodontology
https://www.readbyqxmd.com/read/28811941/seizure-associated-takotsubo-syndrome-a-rare-combination
#4
Htay Htay Kyi, Nour Aljariri Alhesan, Sunil Upadhaya, Samer Al Hadidi
Takotsubo cardiomyopathy (TC) is increasingly recognized in neurocritical care population especially in postmenopausal females. We are presenting a 61-year-old African American female with past medical history of epilepsy, bipolar disorder, and hypertension who presented with multiple episodes of seizures due to noncompliance with antiepileptic medications. She was on telemetry which showed ST alarm. Electrocardiogram (ECG) was ordered and showed ST elevation in anterolateral leads and troponins were positive...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28811684/lead-as-a-risk-factor-for-osteoporosis-in-post-menopausal-women
#5
REVIEW
Anjali Manocha, L M Srivastava, Seema Bhargava
Lead exposure is increasingly becoming an important risk factor for osteoporosis. In adults, approximately 80-90 % of absorbed lead is stored in the bones. These bone lead deposits are released into the blood during periods of enhanced bone resorption like menopause, forming a potential endogenous source of lead exposure. Postmenopausal women are at a higher risk for bone lead release because of hormonal and age related changes in bone metabolism. Estrogen deficiency is associated with increase in osteoclasts number and activity leading to both the early and late form of osteoporosis...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811200/globular-adiponectin-reverses-osteo-sarcopenia-and-altered-body-composition-in-ovariectomized-rats
#6
Shyamsundar Pal China, Subhashis Pal, Sourav Chattopadhyay, Konica Porwal, Sapana Kushwaha, Sharmishtha Bhattacharyya, Monika Mittal, Anagha A Gurjar, Tarun Barbhuyan, Abhishek K Singh, Arun K Trivedi, Jiaur R Gayen, Sabyasachi Sanyal, Naibedya Chattopadhyay
Adiponectin regulates various metabolic processes including glucose flux, lipid breakdown and insulin response. We recently reported that adiponectin receptor1 (adipoR1) activation by a small molecule reverses osteopenia in leptin receptor deficient db/db (diabetic) mice. However, the role of adiponectin in bone metabolism under the setting of post-menopausal (estrogen-deficiency) osteopenia and associated metabolic derangements has not been studied. Here, we studied the therapeutic effect of the globular form of adiponectin (gAd), which is predominantly an adipoR1 agonist, in aged ovariectomized (OVX) rats and compared it with standard-of-care anti-osteoporosis drugs...
August 12, 2017: Bone
https://www.readbyqxmd.com/read/28810621/effect-of-isopsoralen-on-smad7-in-osteoblastic-mc3t3-e1-cells
#7
Huicun Zhang, Na Ta
The primary pathological change in postmenopausal osteoporosis (PM-OP) is bone collagen loss caused by estrogen depletion. Osteoblasts synthesize type I collagen, which composes the organic matrix of bone. Although isopsoralen stimulates osteoblastic cell proliferation and differentiation, transforming growth factor (TGF)-β1 is an important cell signaling factor for stimulating collagen synthesis. To explore the association between isopsoralen and the synthesis of collagen in vitro, the molecular and biological association between isopsoralen and TGF-β signaling was examined...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28807722/coronary-microvascular-dysfunction-is-not-associated-with-a-history-of-reproductive-risk-factors-in-women-with-angina-pectoris-an-ipower-substudy
#8
Hannah Elena Suhrs, Anna Meta Kristensen, Anna Bay Rask, Marie Mide Michelsen, Daria Frestad, Naja Dam Mygind, Kira Bové, Eva Prescott
BACKGROUND: Reproductive risk factors such as preeclampsia and recurrent miscarriages have been associated with adverse cardiovascular (CV) events. Underlying coronary microvascular dysfunction (CMD) may be a common denominator. PURPOSE: We investigated whether a history of reproductive risk factors was associated with CMD in women with angina pectoris and no obstructive coronary artery disease (CAD). METHODS: Participants from the iPOWER study, including women with angina pectoris and no obstructive CAD (<50% stenosis), were invited to complete an electronic survey regarding reproductive risk factors: recurrent miscarriages, gestational diabetes, preeclampsia, rhesus immunity, polycystic ovary syndrome and menopausal status as well as migraine and Raynaud phenomenon...
August 11, 2017: Maturitas
https://www.readbyqxmd.com/read/28807015/genomic-upregulation-of-cardiac-cav1-2%C3%AE-and-ncx1-by-estrogen-in-women
#9
Rita Papp, Glenna C L Bett, Agnieszka Lis, Randall L Rasmusson, István Baczkó, András Varró, Guy Salama
BACKGROUND: Women have a higher risk of lethal arrhythmias than men in long QT syndrome type 2 (LQTS2), but the mechanisms remain uncertain due to the limited availability of healthy control human tissue. We have previously reported that in female rabbits, estrogen increases arrhythmia risk in drug-induced LQTS2 by upregulating L-type Ca(2+) (ICa,L) and sodium-calcium exchange (INCX) currents at the base of the epicardium by a genomic mechanism. This study investigates if the effects of estrogen on rabbit ICa,L and INCX apply to human hearts...
August 14, 2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28805983/challenges-of-measuring-accurate-estradiol-levels-in-aromatase-inhibitor-treated-postmenopausal-breast-cancer-patients-on-vaginal-estrogen-therapy
#10
Polly Niravath, Raksha Bhat, Mohamed Al-Ameri, Ahmed AlRawi, Claudette Foreman, Meghana V Trivedi
Breast cancer patients who are taking adjuvant Aromatase Inhibitor (AI) therapy typically have extremely low estradiol levels, which are undetectable by routine clinical laboratories. Thus, it becomes difficult to assess the safety of interventions such as low-dose vaginal estrogen, which may increase estradiol levels. In this study, we aimed to assess the utility of enzyme-linked immunosorbent assay (ELISA) to measure low estradiol concentrations in breast cancer survivors on AI therapy treated with either vaginal estrogen or lubricant for atrophic vaginitis as a part of clinical trial...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28804568/preventive-effects-of-kudzu-root-on-bone-loss-and-cartilage-degradation-in-ovariectomized-rat
#11
Yunyun Luo, Shuang Zheng, Yujia Ding, Yueqin Dai, Yi Zhou, Ruifeng Xiang, Anne C Bay-Jensen, Morten A Karsdal, Per Qvist, Qinlong Zheng
The clinical utility of Traditional Chinese Medicine (TCM) herbs/roots extracts in osteoporosis (OP) and osteoarthritis (OA) has been described in multiple reports, but there have been few studies of TCM for preventing bone loss and cartilage degradation simultaneously. Six-month-old female Sprague-Dawley rats each were subjected to ovariectomized (OVX) or sham surgery and treated orally once daily with herbal extracts or vehicle. Body weight was recorded weekly, and blood samples were collected from fasting animals at different time points...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28803811/office-operative-hysteroscopy-an-update
#12
REVIEW
Christina Alicia Salazar, Keith Isaacson
Hysteroscopy is considered the gold standard for evaluation of intracavitary pathology associated with both pre- and postmenopausal patients with abnormal uterine bleeding as well as part of the evaluation of infertility patients with suspected cavity abnormalities. Office-based operative hysteroscopy allows patients to resume activities immediately and successfully integrates clinical practice into a "see and treat" modality, avoiding the added risks of undergoing anesthesia and the inconvenience of going to the operating room...
August 10, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28803748/management-and-prognosis-of-ovarian-yolk-sac-tumors-an-analysis-of-the-national-cancer-data-base
#13
Dimitrios Nasioudis, Eloise Chapman-Davis, Melissa K Frey, Thomas A Caputo, Kevin Holcomb
OBJECTIVE: To evaluate the clinico-pathological characteristics, management and prognosis of women diagnosed with ovarian yolk sac tumors (OYSTs). METHODS: The U.S National Cancer Data Base was queried for women diagnosed with OYST between 2004 and 2014. Overall survival (OS) was calculated following generation of Kaplan-Meir curves. Univariate analysis was performed with the log-rank test. A Cox model was constructed to determine independent predictors of mortality...
August 10, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28803384/does-obesity-modify-the-relationship-between-physical-activity-and-breast-cancer-risk
#14
REVIEW
S E Neil-Sztramko, T Boyle, E Milosevic, S F Nugent, C C Gotay, K L Campbell
PURPOSE: With only 5-10% of breast cancer cases attributed to genetic inheritance, prevention efforts have focused on modifiable risk factors. Physical activity plays a role in reducing breast cancer risk; however, the interaction between physical activity and other modifiable risk factors, such as obesity, has received little attention. METHODS: A systematic review and meta-analysis was conducted of studies examining the relationship between physical activity and breast cancer and how it may be modified by body mass index (BMI)...
August 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28803377/temporary-successful-results-of-ventral-rectopexy-for-enterocele-surgical-correction-about-138-patients
#15
Diane Mege, Arnaud Sans, Aurélie Maignan, Julie Duclos, Cécilia Frasconi, Remy Le Huu Nho, Nicolas Pirro, Igor Sielezneff
PURPOSE: This work aimed to analyse short- and long-term results of enterocele surgical treatment by ventral rectopexy. METHODS: All females who underwent ventral rectopexy for enterocele in our department were included. All patients underwent standardized preoperative evaluation. Data was retrospectively collected, after examination of patients or by telephone survey. Postoperative evaluation was performed by an independent observer. RESULTS: One hundred thirty-eight females (median age = 63 years [21-86 years]) were included...
August 12, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28802955/hysterscopic-resection-of-premalignant-and-malignant-endometrial-polyps-is-it-a-safe-alternative-to-hysterectomy
#16
Osnat Elyashiv, Ron Sagiv, Ram Kerner, Ran Keidar, Joseph Menczer, Tally Levy
STUDY OBJECTIVE: The standard treatment of endometrial cancer (EC) and complex atypical hyperplasia (CAH) is hysterectomy with or without adnexectomy. In the last decade, several centers have attempted to perform hysteroscopic resection of malignant and pre-malignant polyps as an alternative to hysterectomy. In the present study, we evaluated the safety of this procedure in regard to residual uterine pathology. DESIGN: Retrospective chart review DESIGN CLASSIFICATION: Canadian Task Force classification II-2 SETTING: University hospital PATIENTS: 1766 women who underwent hysteroscopic polypectomy during the years 1998-2016 MEASUREMENTS: Patients with CAH and endometrioid type EC in the removed polyps who underwent hysterectomy were included in the study...
August 9, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28801846/vascular-function-in-breast-cancer-survivors-on-aromatase-inhibitors-a-pilot-study
#17
Anne Blaes, Heather Beckwith, Natalia Florea, Robert Hebbel, Anna Solovey, David Potter, Douglas Yee, Rachel Vogel, Russell Luepker, Daniel Duprez
PURPOSE: Aromatase inhibitors (AI) have been shown to reduce breast cancer-related mortality in women with estrogen positive (ER+) breast cancer. The use of AIs, however, has been associated with higher rates of hypertension, hyperlipidemia, and cardiovascular (CV) events. METHODS: A cross-sectional study of 25 healthy postmenopausal women and 36 women with curative intent breast cancer on an AI was performed to assess endothelial dysfunction, an indicator of risk for CV events...
August 11, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28801526/an-update-on-hormone-therapy-in-postmenopausal-women-mini-review-for-the-basic-scientist
#18
Virginia M Miller, S Mitchell Harman
The worlds of observational, clinical and basic science collided in 2002 with the publication of results of the Women's Health Initiative (WHI), a large scale, prospective, blinded, randomized-controlled trial designed to provide evidence regarding use of hormone treatment to prevent cardiovascular disease in menopausal women. The results of the WHI dramatically changed clinical practice, negatively impacted funding for hormone research and left scientists to unravel the "why" of the results. Now over a decade and a half since the initial publication of the WHI results, basic and clinical scientists often do not interpret the results of the WHI with the precision needed to move the science forward...
August 11, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28801278/-a-rare-case-of-spontaneous-coronary-artery-dissection-after-emotional-stress-in-a-postmenopausal-woman
#19
Yuan DU, Ke Han, Ling Bai, Ping Liu
Spontaneous coronary artery dissection (SCAD) is a rare cause of acute myocardial infarction. While its etiology and pathogenesis remain not fully understood, SCAD occurs most frequently in patients at a young age and of a female gender. We report a case of SCAD in a 52-year-old healthy postmenopausal woman who developed acute myocardial infarction and subsequent ventricular aneurysm after emotional stress. This case may provide valuable insight into this rare disease and highlights the importance of psychological factors as contributing factors of SCAD in postmenopausal women with acute onset of chest pain...
August 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28796699/serum-uric-acid-levels-and-hormone-therapy-type-a-retrospective-cohort-study-of-postmenopausal-women
#20
Jae H Jung, Gwan G Song, Young H Lee, Jae-Hoon Kim, Myung H Hyun, Sung J Choi
OBJECTIVE: Serum uric acid levels increase in postmenopausal women, but decrease when hormone therapy (HT) is administered. No study has, however, evaluated the effects of different types of HT on serum uric acid levels. We therefore examined whether estrogen therapy (ET), estrogen plus progestogen therapy (EPT), and tibolone use affected serum uric acid levels in this population. METHODS: We performed a retrospective cohort study of postmenopausal women. From 2005 to 2015, postmenopausal women who had undergone blood uric acid-level testing at least twice were enrolled...
August 7, 2017: Menopause: the Journal of the North American Menopause Society
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