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Phytoestrogens

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https://www.readbyqxmd.com/read/28647515/a-phytoestrogen-supplement-prevents-the-altered-gene-expression-associated-with-pregnancy-implantation-induced-by-il-1%C3%AE-in-endometrial-epithelial-cells
#1
Sayaka Suzuki, Noe Nakashima, Masakatsu Kageyama, Kazuo Yamagata
Phytoestrogens stimulate expression of the uterine estrogen receptor and regulate uterine functions in reproductive tissues. However, comprehensive understanding of the beneficial impacts of phytoestrogens on uterine biology at the molecular level remains unexplored. Interleukin-1β (IL-1β) expression is increased in the inflamed decidua and is associated with first trimester pregnancy loss. AglyMax-Sup has the same composition as that of the phytoestrogen supplement AglyMax but with added vitamins and other components...
June 21, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28637300/commercial-rodent-diets-differentially-regulate-autoimmune-glomerulonephritis-epigenetics-and-microbiota-in-mrl-lpr-mice
#2
Michael R Edwards, Rujuan Dai, Bettina Heid, Thomas E Cecere, Deena Khan, Qinghui Mu, Catharine Cowan, Xin M Luo, S Ansar Ahmed
The course and severity of lupus in spontaneous murine lupus models varies among laboratories, which may be due to variations in diet, housing and/or local environmental conditions. In this study, we investigated the influence of common rodent diets while keeping other factors constant. Female lupus-prone MRL/lpr mice were subjected to the same housing conditions and given one of the three diets: Teklad 7013 containing isoflavone rich soy and alfalfa, Harlan 2018 isoflavone rich soy-based diet, or ResearchDiets Inc...
June 15, 2017: International Immunology
https://www.readbyqxmd.com/read/28629290/functional-foods-how-functional-are-they-a-case-report-of-supplement-induced-psychosis
#3
Priyanka Yadav, Kyle Stigall, Hannah E Johnson, Abner O Rayapati, Nitin Chopra
There is rising evidence of patients' use of alternative and complementary medicine. The percentage of the U.S. population who used at least one dietary supplement increased from 42% in 1988-1994 to 53% in 2003-2006. We present a case of an Asian female in her 40s, with no previous psychiatric illness, who presented to the emergency room following a brief psychotic episode, during which she self-amputated the tips of her fingers, after using multivitamins and herbal supplements including ginseng, gui yuan rou (Chinese herb), astaxanthin, goji (Chinese fruit), selenium, saw palmetto, grape seed extract, citrus bioflavanoid, lutein (zeaxantin), resvexatrol, sun chlorella, spirulina powder, phytoceramides, phytoestrogen, glucosatrin, bromelain plus, and American bee pollen...
August 2016: International Journal of Psychiatry in Medicine
https://www.readbyqxmd.com/read/28628373/association-between-urinary-phytoestrogens-and-c-reactive-protein-in-the-continuous-national-health-and-nutrition-examination-survey
#4
Michael K Reger, Terrell W Zollinger, Ziyue Liu, Josette Jones, Jianjun Zhang
OBJECTIVE: A reduced risk of some cancers and cardiovascular disease associated with phytoestrogen intake may be mediated through its effect on serum C-reactive protein (CRP; an inflammation biomarker). Therefore, this study examined the associations between urinary phytoestrogens and serum CRP. METHODS: Urinary phytoestrogen and serum CRP data obtained from 6009 participants aged ≥ 40 years in the continuous National Health and Nutrition Examination Survey during 1999-2010 were analyzed...
June 19, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28612709/potential-phytoestrogen-alternatives-exert-cardio-protective-mechanisms-via-estrogen-receptors
#5
Marthandam Asokan Shibu, Wei-Wen Kuo, Chia-Hua Kuo, Cecilia-Hsuan Day, Chia-Yao Shen, Li-Chin Chung, Chao-Hung Lai, Lung-Fa Pan, V Vijaya Padma, Chih-Yang Huang
The 17 beta-estradiol (E2) is a sex hormone that is most abundant and most active estrogen in premenopausal women. The importance of E2 in providing cardioprotection and reducing the occurrence of heart disease in women of reproductive age has been well recognized. There are three subtype of estrogen receptors (ERs), including ERα, ERβ and GPR30 have been identified and accumulating evidence reveal their roles on E2-mediated genomic and nongenomic pathway in cardiomyocytes against various cardiac insults...
June 2017: BioMedicine
https://www.readbyqxmd.com/read/28610434/isoflavones-and-gastrointestinal-infection-two-potential-triggers-for-reversible-cerebral-vasoconstriction-syndrome
#6
Björn Machner, Tobias Boppel, Thomas Münte
Background Reversible cerebral vasoconstriction syndrome (RCVS) is an important differential diagnosis of singular or recurrent thunderclap headache. Prognosis is generally good, however complications of the transient segmental vasospasms of cerebral arteries such as stroke, subarachnoidal hemorrhage and brain edema may worsen the clinical outcome. Although the exact pathomechanism is still unclear, various vasoactive substances and conditions (e.g. post partum) have been identified as triggering RCVS. Cases We report on the clinical course and management of two cases of typical RCVS that were associated with two different precipitants previously not described: A gastrointestinal infection and isoflavones, which are phytoestrogens used for menopausal vasomotor symptoms...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28605338/effect-of-hispolon-from-phellinus-lonicerinus-agaricomycetes-on-estrogen-receptors-aromatase-and-cyclooxygenase-ii-in-mcf-7-breast-cancer-cells
#7
Junzhi Wang, Beiyan Chen, Fang Hu, Xueling Zou, Haili Yu, Jinyu Wang, Hongqi Zhang, Haibo He, Wenfeng Huang
Phytoestrogen has previously been proposed as an alternative to hormone replacement therapy. Hispolon has been found to have phytoestrogenic properties. However, the possible effects of hispolon on estrogen receptors and other related molecules remain to be determined. This study was performed mainly to confirm the estrogenic function of hispolon as it relates to estrogen receptors, aromatase, and cyclooxygenase 2 (COX-2). Hispolon was shown to increase the serum 17β-estradiol in vivo. Immunohistochemical staining methods showed that hispolon exhibited a biphasic effect on ERα/β and aromatase expression in MCF-7 cells...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28605125/isoflavones-and-their-metabolites-influence-the-milk-component-synthesis-ability-of-mammary-epithelial-cells-through-prolactin-stat5-signaling
#8
Yusaku Tsugami, Kota Matsunaga, Takahiro Suzuki, Takanori Nishimura, Ken Kobayashi
SCOPE: Isoflavones are a class of polyphonic compounds present in legumes and are called phytoestrogens because of their estrogen-like activity. Estrogen influences the behavior of mammary epithelial cells (MECs) during pregnancy and lactation. In this study, we investigated the direct influences of isoflavones and their metabolites in milk production ability of MECs. METHODS AND RESULTS: Mouse MECs were cultured with prolactin and dexamethasone (glucocorticoid analog) to induce milk production ability...
June 12, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28602910/in-vitro-screening-for-estrogenic-endocrine-disrupting-compounds-using-mozambique-tilapia-and-sea-bass-scales
#9
Patrícia I S Pinto, M Dulce Estêvão, Soraia Santos, André Andrade, Deborah M Power
A wide range of estrogenic endocrine disruptors (EDCs) are accumulating in the environment and may disrupt the physiology of aquatic organisms. The effects of EDCs on fish have mainly been assessed using reproductive endpoints and in vivo animal experiments. We used a simple non-invasive assay to evaluate the impact of estrogens and EDCs on sea bass (Dicentrarchus labrax) and tilapia (Oreochromis mossambicus) scales. These were exposed to estradiol (E2), two phytoestrogens and six anthropogenic estrogenic/anti-estrogenic EDCs and activities of enzymes related to mineralized tissue turnover (TRAP, tartrate-resistant acid phosphatase and ALP, alkaline phosphatase) were measured...
June 8, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/28593720/phytoestrogen-rich-natural-preparation-for-treatment-of-climacteric-syndrome-and-atherosclerosis-prevention-in-perimenopausal-women
#10
T V Kirichenko, V A Myasoedova, V A Orekhova, A L Ravani, N A Nikitina, A V Grechko, I A Sobenin, A N Orekhov
The present study evaluated the risks and benefits of phytoestrogen treatment in healthy perimenopausal women in relation to the dynamics of climacteric syndrome and progression of atherosclerosis. Study participants were treated with placebo or phytoestrogen-rich natural preparation Karinat based on grape (Vitis vinifera) seeds, green tea (Camellia sinensis) leaves, hop (Hunulus lupulus) cone powder and garlic (Allium sativum) powder. The dynamics of climacteric syndrome was evaluated by Kupperman Index and Utian Quality of Life Scale...
June 8, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28588640/compounds-from-cynomorium-songaricum-with-estrogenic-and-androgenic-activities-suppress-the-oestrogen-androgen-induced-bph-process
#11
Xueni Wang, Rui Tao, Jing Yang, Lin Miao, Yu Wang, Jose Edouard Munyangaju, Nuttapong Wichai, Hong Wang, Yan Zhu, Erwei Liu, Yanxu Chang, Xiumei Gao
OBJECTIVE: To investigate the phytoestrogenic and phytoandrogenic activities of compounds isolated from CS and uncover the role of CS in prevention of oestrogen/androgen-induced BPH. METHODS: Cells were treated with CS compounds, and immunofluorescence assay was performed to detect the nuclear translocation of ERα or AR in MCF-7 or LNCaP cells; luciferase reporter assay was performed to detect ERs or AR transcriptional activity in HeLa or AD293 cells; MTT assay was performed to detect the cell proliferation of MCF-7 or LNCaP cells...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28587197/resveratrol-4-acetoxy-resveratrol-r-equol-racemic-equol-or-s-equol-as-cosmeceuticals-to-improve-dermal-health
#12
REVIEW
Edwin D Lephart
Phytochemicals are botanical compounds used in dermatology applications as cosmeceuticals to improve skin health. Resveratrol and equol are two of the best-known polyphenolic or phytoestrogens having similar chemical structures and some overlapping biological functions to 17β-estradiol. Human skin gene expression was reviewed for 28 different biomarkers when resveratrol, 4' acetoxy resveratrol (4AR), R-equol, racemic equol or S-equol were tested. Sirtuin 1 activator (SIRT 1) was stimulated by resveratrol and 4AR only...
June 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28585232/in-vitro-in-silico-based-analysis-of-the-dose-dependent-in-vivo-estrogenicity-of-the-soy-phytoestrogen-genistein-in-humans
#13
Rungnapa Boonpawa, Albertus Spenkelink, Ans Punt, Ivonne M C M Rietjens
BACKGROUND AND PURPOSE: In vivo estrogenicity of genistein and its glycoside genistin is still under debate. The present study aimed to develop a physiologically based kinetic (PBK) model that provides insight in dose-dependent plasma concentrations of genistein aglycone and its metabolites and enables prediction of in vivo estrogenic effective dose levels of genistein and genistin in humans. EXPERIMENTAL APPROACH: A PBK model for genistein and genistin in humans was developed based on in vitro metabolic parameters...
June 5, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28585083/multiclass-analytical-method-for-the-determination-of-natural-synthetic-steroid-hormones-phytoestrogens-and-mycoestrogens-in-milk-and-yogurt
#14
Bárbara Socas-Rodríguez, Darina Lanková, Kateřina Urbancová, Veronika Krtková, Javier Hernández-Borges, Miguel Ángel Rodríguez-Delgado, Jana Pulkrabová, Jana Hajšlová
Within this study, a new method enabling monitoring of various estrogenic substances potentially occurring in milk and dairy products was proposed. Groups of compounds fairly differing in physico-chemical properties and biological activity were analyzed: four natural estrogens, four synthetic estrogens, five mycoestrogens, and nine phytoestrogens. Since they may pass into milk mainly in glucuronated and sulfated forms, an enzymatic hydrolysis was involved prior to the extraction based on the QuEChERS methodology...
June 6, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28580306/enterolactone-reduces-telomerase-activity-and-the-level-of-its-catalytic-subunit-in-breast-cancer-cells
#15
Davod Ilbeigi, Mitra Nourbakhsh, Shahnaz Khaghani, Nahid Einollahi, Nejat Kheiripour, Zafar Gholinejad, Mohammad Alaee, Mostafa Saberian
OBJECTIVE: There is a positive correlation between higher serum phytoestrogen concentrations and lower risk of breast cancer. The activation of telomerase is crucial for the growth of cancer cells; therefore, the aim of this study was to examine the effects of enterolactone (ENL) and enterodiol (END) on this enzyme. MATERIALS AND METHODS: In this experimental study, we performed the viability assay to determine the effects of different concentrations of ENL and END on cell viability, and the effective concentrations of these two compounds on cell growth...
2017: Cell Journal
https://www.readbyqxmd.com/read/28579831/the-regulation-of-steroid-receptors-by-epigallocatechin-3-gallate-in-breast-cancer-cells
#16
Kelly Hallman, Katie Aleck, Meghan Quigley, Brigitte Dwyer, Victoria Lloyd, Monica Szmyd, Sumi Dinda
It has been reported that phytoestrogen epigallocatechin gallate (EGCG) suppresses cancer cell proliferation and may have antitumor properties. In this study, we analyzed the effects of EGCG on estrogen receptor α (ERα) and progesterone receptor in hormone-dependent T-47D breast cancer cells. Western blot analysis revealed EGCG induced a concentration-dependent decrease in ERα protein levels, with a 56% reduction occurring with 60 µM EGCG when compared to controls. Downregulation of ERα protein levels was observed after 24-hour co-treatment of T-47D cells with 60 µM EGCG and 10 nM 17β-estradiol (E2)...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28574180/topical-equol-preparation-improves-structural-and-molecular-skin-parameters
#17
U Magnet, Chr Urbanek, D Gaisberger, E Tomeva, E Dum, A Pointner, A G Haslberger
OBJECTIVE: Equol has been shown to improve skin health and regeneration, due to its antioxidative, phytoestrogenic and epigenetic characteristics. The effects of a topical intervention on skin structure, telomere length and epigenetic markers in skin cells were analysed. METHODS: 64 participants were divided in four groups and three of them treated topically with: emulsion with Equol powder (Isoflavandiol-E-55-RS(®) ); emulsion with microencapsulated Equol (Vesisorb(®) Isoflavandiol-E-55-RS(®) ) and an emulsion with lecithin (Vesisorb(®) placebo)...
June 2, 2017: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/28573485/a-lateral-flow-colloidal-gold-based-immunoassay-for-rapid-detection-of-miroestrol-in-samples-of-white-kwao-krua-a-phytoestrogen-rich-plant
#18
Tharita Kitisripanya, Chadathorn Inyai, Jukrapun Komaikul, Supaluk Krittanai, Thaweesak Juengwatanatrakul, Seiichi Sakamoto, Hiroyuki Tanaka, Satoshi Morimoto, Waraporn Putalun
White Kwao Krua (WKK)-derived products have been used worldwide as dietary supplements to relieve climacteric symptoms in menopausal women. Miroestrol is a unique chromene found in WKK tuberous roots that corresponds to the estrogenic activity of WKK. However, miroestrol naturally accumulates at low levels in WKK samples, which are difficult to detect. The development of a rapid and sensitive assay to detect miroestrol in numerous products derived from this plant would be a practical and useful method to guarantee the quality of raw materials...
June 1, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28561959/review-of-efficacy-of-complementary-and-alternative-medicine-treatments-for-menopausal-symptoms
#19
REVIEW
Thea R Moore, Rachel B Franks, Carol Fox
Complementary and alternative medicine (CAM) treatments have been used for thousands of years around the world. There has been increased interest in utilizing CAM for menopausal symptoms since the release of results of the Women's Health Initiative elucidated long-term adverse effects associated with hormone therapy. Women looking for more natural or safer means to treat hot flushes, night sweats, and other menopausal symptoms often turn to CAM such as yoga, phytoestrogens, or black cohosh. Yet there have been few well-conducted studies looking at the efficacy of these treatments...
May 2017: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/28551786/mitochondrial-bioenergetics-during-ischemia-and-reperfusion
#20
Alicia E Consolini, María I Ragone, Patricia Bonazzola, Germán A Colareda
During ischemia and reperfusion (I/R) mitochondria suffer a deficiency to supply the cardiomyocyte with chemical energy, but also contribute to the cytosolic ionic alterations especially of Ca(2+). Their free calcium concentration ([Ca(2+)]m) mainly depends on mitochondrial entrance through the uniporter (UCam) and extrusion in exchange with Na(+) (mNCX) driven by the electrochemical gradient (ΔΨm). Cardiac energetic is frequently estimated by the oxygen consumption, which determines metabolism coupled to ATP production and to the maintaining of ΔΨm...
2017: Advances in Experimental Medicine and Biology
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