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https://www.readbyqxmd.com/read/29155252/3d-visualization-and-pathological-characteristics-of-cartilage-and-subchondral-bone-changes-in-the-lumbar-facet-joint-of-an-ovariectomized-mouse-model
#1
Chunyue Duan, Shuangfei Ni, Yong Cao, Shenghui Liao, Jianzhong Hu, Tianding Wu
BACKGROUD CONTEXT: Low back pain (LBP) is more prevalent among postmenopausal women than men. Ovariectomy (OVX) is an established animal model that mimics the estrogen deficiency of postmenopausal women. Little is known about the 3D morphological properties of cartilage and subchondral bone changes in the lumbar facet joint (LFJ) of an OVX mouse model. PURPOSE: The purpose of this study is to characterize the 3D morphological change of cartilage and subchondral bone in LFJ of an OVX mouse model...
November 15, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29154944/%C3%AE-estradiol-antagonizes-the-inhibitory-effects-of-caffeine-in-bmmscs-via-the-er%C3%AE-mediated-camp-dependent-pka-pathway
#2
Chaowei Wang, Yi Zhou, Xiaoxu Guan, Mengfei Yu, Huiming Wang
Caffeine negatively mediates bone homeostasis to cause bone loss and even osteoporosis. This phenomenon occurs in postmenopausal women with estrogen deficiency but not in healthy young women. In this study, we determined whether the effects of caffeine on bone homeostasis were antagonized by estrogen and the underlying mechanisms. In particular, because high levels of cAMP, an important second messenger, have been observed in postmenopausal women suffering from osteoporosis, we examined the role of cAMP in the effects of caffeine on bone homeostasis...
November 15, 2017: Toxicology
https://www.readbyqxmd.com/read/29154388/systematic-review-of-the-effect-of-denosumab-on-children-with-osteogenesis-imperfect-showed-inconsistent-findings
#3
Guowei Li, Yanling Jin, Mitchell A H Levine, Heike Hoyer-Kuhn, Leanne Ward, Jonathan D Adachi
Osteogenesis imperfecta (OI) is a rare, inherited disorder characterised by increased bone fragility, reduced bone mass and often short stature. Most cases are due to mutations in one of the two genes encoding collagen type-1 - COL1A1 and COL1A2 (1) - and the signs and symptoms vary substantially with the disease severity. The risk of fractures is 100 times higher than the general population, even in patients with mild OI. Bisphosphonates are the current standard pharmacotherapy for managing and treating patients with severe OI, but concerns about their long-term safety have been raised (1)...
November 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29154112/pre-diagnostic-plasma-enterolactone-concentrations-and-breast-cancer-prognosis-among-postmenopausal-women-the-danish-diet-cancer-and-health-cohort
#4
Cecilie Kyrø, Louise Hansen, Kirsten Frederiksen, Natalja P Nørskov, Knud Erik Bach Knudsen, Anne Kirstine Eriksen, Marianne Holm, Anne Tjønneland, Anja Olsen
BACKGROUND & AIMS: High intakes of the phytoestrogen lignans and high blood concentrations of its main biomarker, enterolactone, has been associated with a better breast cancer prognosis. We investigated the association between pre-diagnostic plasma concentrations of enterolactone and breast cancer prognosis (i.e. recurrence, breast cancer-specific mortality and all-cause mortality). METHODS: Plasma and data was available from the Danish Diet, Cancer and Health cohort...
November 8, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29152146/breast-tissue-oral-and-urinary-microbiomes-in-breast-cancer
#5
Hannah Wang, Jessica Altemus, Farshad Niazi, Holly Green, Benjamin C Calhoun, Charles Sturgis, Stephen R Grobmyer, Charis Eng
It has long been proposed that the gut microbiome contributes to breast carcinogenesis by modifying systemic estrogen levels. This is often cited as a possible mechanism linking breast cancer and high-fat, low-fiber diets as well as antibiotic exposure, associations previously identified in population-based studies. More recently, a distinct microbiome has been identified within breast milk and tissue, but few studies have characterized differences in the breast tissue microbiota of patients with and without cancer, and none have investigated distant body-site microbiomes outside of the gut...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151553/chinese-single-herbs-and-active-ingredients-for-postmenopausal-osteoporosis-from-preclinical-evidence-to-action-mechanism
#6
Jing Lin, Jun Zhu, Yan Wang, Na Zhang, Hans-Jürgen Gober, Xuemin Qiu, Dajin Li, Ling Wang
Postmenopausal osteoporosis is a systemic metabolic skeletal disease generally ascribable to a dearth of estrogen. Whether traditional Chinese medicine is effective in management of postmenopausal osteoporosis remains unclear. This article reviews the experimental evidence of both in vitro and in vivo preclinical studies with the theme of the application of Chinese single herbs and active ingredients in postmenopausal osteoporosis. It includes three single herbs (Herba Epimedium, Rhizoma Drynariae, and Salvia miltiorrhiza) and eight active ingredients (saikosaponins, linarin, echinacoside, sweroside, psoralen, poncirin, vanillic acid, and osthole)...
2017: Bioscience Trends
https://www.readbyqxmd.com/read/29151451/fracture-risk-assessment-tool-frax-and-for-the-diagnosis-of-osteoporosis-in-japanese-middle-aged-and-elderly-women-chiba-bone-survey
#7
Rena Oka, Masahiro Ohira, Sawako Suzuki, Tomohiko Yoshida, Hisashi Koide, Tomoaki Tanaka, Ichiro Tatsuno
Osteoporosis not only increases bone fracture risk but also affects survival in postmenopausal women. Although osteoporosis is diagnosed based on low bone mineral density (BMD) determined by dual energy X-ray absorptiometry (DXA), BMD measurement is sometimes difficult because DXA is not widely available in the community. The Fracture Risk Assessment tool (FRAX) can predict 10-year major osteoporotic fracture risk and hip fracture risk with or without femoral neck BMD. The FRAX has not been investigated adequately in community-dwelling Japanese women...
November 18, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/29151102/the-effect-of-genistein-supplementation-on-vitamin-d-levels-and-bone-turnover-markers-during-the-summer-in-healthy-postmenopausal-women-role-of-genotypes-of-isoflavone-metabolism
#8
María Pérez-Alonso, Laisa-Socorro Briongos, Marta Ruiz-Mambrilla, Eladio A Velasco, Lidia Linares, Luis Cuellar, José-Manuel Olmos, Daniel De Luis, Antonio Dueñas-Laita, José-Luis Pérez-Castrillón
AIMS: The objective of this study was to determine whether vitamin D and genistein supplementation had an additive beneficial effect on levels of vitamin D and bone markers and whether this effect was mediated by genes regulating isoflavone metabolism. MATERIALS AND METHODS: We carried out a prospective study in postmenopausal women randomized to calcium and vitamin D supplementation or calcium, vitamin D, and genistein supplementation. Vitamin D, parathyroid hormone (PTH), cross-linked C-telopeptide (CTX), and procollagen 1 N-terminal (P1NP) were determined by electrochemiluminescence...
November 18, 2017: Journal of Nutrigenetics and Nutrigenomics
https://www.readbyqxmd.com/read/29150162/distribution-of-clinical-risk-factors-for-fracture-in-a-brussels-cohort-of-postmenopausal-women-the-frisbee-study-and-comparison-with-other-major-cohort-studies
#9
S I Cappelle, I Ramon, C Dekelver, S Rozenberg, F Baleanu, R Karmali, M Rubinstein, M Tondeur, M Moreau, M Paesmans, P Bergmann, J-J Body
OBJECTIVES: The estimation of fracture risk using clinical risk factors (CRFs) is of primary concern in osteoporosis management, but only some risk factors have been thoroughly evaluated and incorporated in predictive models. We have launched a large prospective study, the 'Fracture Risk Brussels Epidemiological Enquiry' (FRISBEE), to develop a new predictive model for osteoporotic fractures. The aims of this report are to describe the methodology of the FRISBEE study and to compare the distribution of CRFs in our cohort with those reported in other large studies...
December 2017: Maturitas
https://www.readbyqxmd.com/read/29149648/dried-plum-alleviates-symptoms-of-inflammatory-arthritis-in-tnf-transgenic-mice
#10
Faryal Mirza, Joseph Lorenzo, Hicham Drissi, Francis Y Lee, Do Y Soung
Dried plum (DP), a rich source of polyphenols has been shown to have bone-preserving properties in both animal models of osteoporosis and postmenopausal women. We evaluated if DP alleviated the destruction of joints in transgenic mice (TG) that overexpress human tumor necrosis factor (TNF), a genetic model of rheumatoid arthritis (RA). A four-week treatment of 20% DP diet in TG slowed the onset of arthritis and reduced bone erosions in the joints compared to TG on a regular diet. This was associated with fewer tartrate-resistant acid phosphatase (TRAP) positive cells, suggesting decreased osteoclastogenesis...
October 16, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29149179/postmenopausal-hormone-therapy-and-risk-of-stroke-a-pooled-analysis-of-data-from-population-based-cohort-studies
#11
Germán D Carrasquilla, Paolo Frumento, Anita Berglund, Christer Borgfeldt, Matteo Bottai, Chiara Chiavenna, Mats Eliasson, Gunnar Engström, Göran Hallmans, Jan-Håkan Jansson, Patrik K Magnusson, Peter M Nilsson, Nancy L Pedersen, Alicja Wolk, Karin Leander
BACKGROUND: Recent research indicates a favourable influence of postmenopausal hormone therapy (HT) if initiated early, but not late, on subclinical atherosclerosis. However, the clinical relevance of timing of HT initiation for hard end points such as stroke remains to be determined. Further, no previous research has considered the timing of initiation of HT in relation to haemorrhagic stroke risk. The importance of the route of administration, type, active ingredient, and duration of HT for stroke risk is also unclear...
November 2017: PLoS Medicine
https://www.readbyqxmd.com/read/29147956/endogenous-sex-hormones-and-memory-performance-in-middle-aged-greek-women-with-subjective-memory-complaints
#12
Eleni Armeni, Michail Apostolakis, Foteini Christidi, Demetrios Rizos, George Kaparos, Konstantinos Panoulis, Areti Augoulea, Andreas Alexandrou, Evangelia Karopoulou, Ioannis Zalonis, Nikolaos Triantafyllou, Irene Lambrinoudaki
The changing hormonal milieu during the menopausal transition may contribute to the development of memory disorders. We aimed to assess the association of sex hormones with memory function in a sample of Greek middle-aged women. This pilot study included 44 women with subjective memory complaints. Memory performance was evaluated using the Hopkins Verbal Learning Test (HVLT), the Brief Visuospatial Memory test (BVMT), and the verbal digits backwards test (VSPAN), to assess verbal, visuospatial, and working memory performance, respectively...
November 16, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29147439/uterine-smooth-muscle-tumor-of-uncertain-malignant-potential-clinicopathologic-sonographic-characteristics-follow-up-and-recurrence
#13
Besim Haluk Bacanakgil, Mustafa Deveci, Emine Karabuk, Zeynep Soyman
Background: Uterine smooth muscle tumor of uncertain malignant potential (STUMP) is rare tumor, and regarded as sub-classification in uterine smooth muscle tumors between benign and malignant criteria. In this study, we evaluated characteristics of cases with STUMP diagnosis in a 10-year period. Methods: We retrospectively evaluated medical records of patients with histopathological STUMP diagnosis in Istanbul Training and Research Hospital, a tertiary center. We analyzed preoperative demographic, clinical features and postoperative follow-up...
June 2017: World Journal of Oncology
https://www.readbyqxmd.com/read/29143928/systematic-literature-review-of-the-impact-of-endocrine-monotherapy-and-in-combination-with-targeted-therapy-on-quality-of-life-of-postmenopausal-women-with-hr-her2-advanced-breast-cancer
#14
REVIEW
Zhou Zhou, Derek H Tang, Jipan Xie, Rajeev Ayyagari, Eric Wu, Polly A Niravath
INTRODUCTION: A major treatment goal for advanced breast cancer (ABC) is to maintain or ideally improve patient quality of life (QoL). Given the changing disease landscape, this systematic literature review (SLR) aims to assess the impact of endocrine therapies (ET), including ET monotherapy (ET mono) and ET combined with targeted therapy (ET + TT), on QoL of women with HR+/HER2- ABC. METHODS: A SLR was conducted to identify randomized controlled trials (RCTs) meeting the following criteria: (1) included ET mono or ET + TT, (2) reported QoL outcomes, (3) focused on women with HR+/HER2- ABC, and (4) published after 2007 (when standardized HER2 testing became available)...
November 16, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/29141853/the-effects-of-resistance-exercise-on-biomarkers-of-breast-cancer-prognosis-a-pooled-analysis-of-three-randomized-trials
#15
Kerri Winters-Stone, Lisa J Wood, Sydnee Stoyles, Nathan Dieckmann
BACKGROUND: Using a secondary data analysis from randomized controlled trials comparing one year of resistance exercise (N=109) to a placebo control condition (N=106) in postmenopausal, post-treatment breast cancer survivors, we investigated the influence of resistance training and changes in body composition on markers associated with cancer progression. METHODS: Measures included serum levels of insulin, IGF-1, IGFBP1-3, leptin, serum amyloid A (SAA), adiponectin, C-reactive protein (CRP), IL-1β, TNF-α, IL-6, and IL-8 and body composition (total, lean and fat mass in kg) by DXA at baseline, 6, and 12-months...
November 15, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29139590/breast-density-in-screening-mammography-in-indian-population-is-it-different-from-western-population
#16
Tulika Singh, Niranjan Khandelwal, Veenu Singla, Dileep Kumar, Madhu Gupta, Gurpreet Singh, Amanjit Bal
Mammography is the only method presently considered appropriate for mass screening of breast cancer. However, higher breast density was strongly associated with lower mammographic sensitivity. Breast density is also identified as independent and strongest risk factors for breast cancer. Studies have shown women with high breast density have four to six times increased risk of breast cancer as compare to women with fatty breast. It varies between different age group it generally decreases with increasing age in postmenopausal women and it can be different in different ethnic groups and people from different geographical areas...
November 15, 2017: Breast Journal
https://www.readbyqxmd.com/read/29139277/tailor-management-to-the-patient-with-fibroids
#17
Marie O'Sullivan, Caroline Overton
Fibroids are benign, hormone-dependent tumours of uterine smooth muscle and connective tissue. They are commonly asymptomatic, but can cause symptoms such as heavy menstrual bleeding and pelvic pressure symptoms. Between 20 to 30% of women with heavy menstrual bleeding have fibroids. Fibroids are most prevalent in women aged 30-50 years and there may be a genetic predisposition. They are more common in black women than white women. Other risk factors include obesity and nulliparity. Asymptomatic women should only be referred if their uterus is palpable abdominally, if fibroids distort the uterine cavity or the uterus is larger than 12 cm in length...
March 2017: Practitioner
https://www.readbyqxmd.com/read/29138843/investigation-of-candidate-genes-and-mechanisms-underlying-postmenopausal-osteoporosis-using-bioinformatics-analysis
#18
Xiaozhong Zhu, Zhiyuan Wang, Yanxun Zhao, Chao Jiang
The present study aimed to determine candidate genes, chemicals and mechanisms underlying postmenopausal osteoporosis (PMOP). A gene expression profile (accession no. GSE68303), which included 12 tissue samples from ovariectomized mice (OVX group) and 11 normal tissue samples from sham surgery mice (control group), was downloaded from the Gene Expression Omnibus database. The identification of differentially expressed genes (DEGs), and Gene Ontology functional enrichment and Kyoto Encyclopedia of Genes and Genomes pathway analyses, was performed, followed by an investigation of protein‑protein interactions (PPI), PPI modules, transcription factors (TFs) and chemicals...
November 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138634/the-synergistic-interplay-between-vitamins-d-and-k-for-bone-and-cardiovascular-health-a-narrative-review
#19
REVIEW
Adriana J van Ballegooijen, Stefan Pilz, Andreas Tomaschitz, Martin R Grübler, Nicolas Verheyen
Vitamins D and K are both fat-soluble vitamins and play a central role in calcium metabolism. Vitamin D promotes the production of vitamin K-dependent proteins, which require vitamin K for carboxylation in order to function properly. The purpose of this review is to summarize available evidence of the synergistic interplay between vitamins D and K on bone and cardiovascular health. Animal and human studies suggest that optimal concentrations of both vitamin D and vitamin K are beneficial for bone and cardiovascular health as supported by genetic, molecular, cellular, and human studies...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29138602/improved-adequacy-of-endometrial-tissue-sampled-from-postmenopausal-women-using-the-myosure-lite-hysteroscopic-tissue-removal-system-versus-conventional-curettage
#20
Peter Rosenblatt, Sara Barcia, Anthony DiSciullo, Hussein Warda
Objective: To compare the diagnostic suitability of endometrial tissues obtained from postmenopausal women using the MyoSure Lite tissue removal system versus conventional curettage. Materials and methods: Endometrial tissue was sampled in hysteroscopically normal extirpated uteri from seven postmenopausal women (65.9±6.6 years old) using both hysteroscopicguided morcellation and curettage (two quadrants/uterus with each method). Endometrial sampling was performed immediately after hysterectomy for benign reasons unrelated to uterine pathology...
2017: International Journal of Women's Health
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