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phytoestrogen

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https://www.readbyqxmd.com/read/29473532/the-promising-pharmacological-effects-and-therapeutic-medicinal-applications-of-punica-granatum-l-pomegranate-as-a-functional-food-in-humans-and-animals
#1
Kuldeep Dhama
BACKGROUND: Punica granatum L (pomegranate), is a shrub mostly available in the Mediterranean Sea region. The fruits have gained the substantial attention among researchers due to its promising biological activities including anti-inflammatory, antibacterial, antidiarrheal, immune modulatory, antitumor, wound healing and antifungal that have been attributed to various constituents of seeds, bark, juice, pericarp and leaf of this tree across the globe. The phenolic compounds of pomegranate have been documented to possess numbers of prophylactic and therapeutic utilities against various pathological infections as well as non-infectious disorders...
February 21, 2018: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/29456686/biochanin-a-extirpates-the-epithelial-mesenchymal-transition-in-a-human-lung-cancer
#2
Yan Wang, Jiao-Jiao Li, Yu-Min Chen
The natural iso-flavonoid, biochanin A, is categorized as a phytoestrogen and has been demonstrated to exhibit various pharmacological properties. However, no effects of biochanin A on lung cancer cell lines have been reported. Therefore, the present study aimed to demonstrate whether biochanin A has the ability to reduce lung cancer triggered pro-inflammatory effects from leukemic monocytes. We studied the release of cytokines, tumor necrosis factor (TNF)-α and interleukin (IL)-6, from the cocultured cells of A427:AML-193...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29436614/arctigenin-inhibits-the-activation-of-the-mtor-pathway-resulting-in-autophagic-cell-death-and-decreased-er-expression-in-er-positive-human-breast-cancer-cells
#3
Thressi Maxwell, Kyu Shik Lee, Soyoung Kim, Kyung-Soo Nam
Arctigenin, a member of the Asteraceae family, is a biologically active lignan that is consumed worldwide due to its several health benefits. However, its use may pose a problem for patients with estrogen receptor (ER)α-positive breast cancer, since studies have shown that arctigenin is a phytoestrogen that exerts a proliferative effect by binding to the ER. Thus, in this study, we examined the effect of arctigenin on ERα-positive MCF-7 human breast cancer cells to determine whether the consumption of arctigenin is safe for patients with breast cancer...
February 9, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29432676/genistein-a-dual-inhibitor-of-both-a%C3%AE-and-hiapp-peptides
#4
Baiping Ren, Yonglan Liu, Yanxian Zhang, Yongqing Cai, Xiong Gong, Yung Chang, Lijian Xu, Jie Zheng
Abnormal misfolding and aggregation of amyloid peptides into amyloid fibrils are a common and critical pathological event in many neurodegenerative diseases. Most of inhibitors or drugs have been developed to prevent amyloid aggregation of a specific peptide, exhibiting sequence-dependent inhibition mechanisms. It is more challenging to develop or discover inhibitors capable of preventing the aggregation of two or more different amyloid peptides. Genistein, a major phytoestrogen in soybean, has been widely used as anti-inflammation and cerebrovascular drugs due to their anti-oxidation and anti-acetylcholinesterase effects...
February 12, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29432329/a-review-of-phytoestrogens-and-their-association-with-pelvic-floor-conditions
#5
Olivia Cardenas-Trowers, Isuzu Meyer, Alayne D Markland, Holly E Richter, Ilana Addis
INTRODUCTION: Urinary incontinence, pelvic organ prolapse, and fecal incontinence are pelvic floor disorders (PFDs) disproportionately experienced by postmenopausal women. Limited data exist suggesting that phytoestrogens may have an impact on the pathophysiology and symptom of PFDs. PURPOSE OF REVIEW: The aim of the study was to review the current literature addressing the role of phytoestrogens on PFDs, including the pathophysiology, symptom, treatment, and possible prevention...
February 9, 2018: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29425149/dietary-phytoestrogen-intake-is-inversely-associated-with-hypertension-in-a-cohort-of-adults-living-in-the-mediterranean-area
#6
Justyna Godos, Sonia Bergante, Angela Satriano, Francesca Romana Pluchinotta, Marina Marranzano
BACKGROUND: Dietary polyphenols, including phytoestrogens are abundantly present in a balanced diet. Evidence for their role in preventing non-communicable diseases is emerging. METHODS: We examined the association between estimated habitual intakes of dietary phytoestrogens and hypertension in a cohort study. The baseline data included 1936 men and women aged 18 years and older. Intakes of total phytoestrogens, isoflavones, and lignans were calculated from validated food frequency questionnaire...
February 9, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29422998/black-tea-and-d-candidum-extracts-play-estrogenic-activity-via-estrogen-receptor-%C3%AE-dependent-signaling-pathway
#7
Yongsen Wang, Jing Sun, Kun Zhang, Xin Hu, Yuchu Sun, Jun Sheng, Xueqi Fu
In recent years, phytoestrogens have been shown as useful selective estrogen receptor modulators. The estrogen-like effects of black tea (BT) and D. candidum (DC), as well as the combination of the two herbs, have remained largely elusive. This study aims to investigate the phytoestrogenic effect of BT and DC extract, and the possible mechanism. The effects on T47D (ER+ cell line) proliferation were evaluated by using MTT assay. The S phase proportion of ER+ cells was determined by using flow cytometry. The estrogen antagonist ICI 182,780 was applied to block the ER function...
2018: American Journal of Translational Research
https://www.readbyqxmd.com/read/29403626/a-review-of-effective-herbal-medicines-in-controlling-menopausal-symptoms
#8
REVIEW
Rahele Kargozar, Hoda Azizi, Roshanak Salari
Background: Acute menopausal syndrome especially hot flashes, is one of the most common gynecological problems during menopause. Due to the side effects of hormone therapy, herbal and complementary medicines are always of immense interest to people in the treatment and management of the symptoms and complications of menopause. Objective: The aim of this study was to investigate the mechanisms and effects of medicinal plants employed in the treatment of menopausal symptoms...
November 2017: Electronic Physician
https://www.readbyqxmd.com/read/29402799/neuroprotective-mechanisms-of-calycosin-against-focal-cerebral-ischemia-and-reperfusion-injury-in-rats
#9
Yong Wang, Qianyao Ren, Xing Zhang, Huiling Lu, Jian Chen
BACKGROUND/AIMS: Emerging evidence suggests that autophagy plays important roles in the pathophysiological processes of cerebral ischemia and reperfusion injury. Calycosin, an isoflavone phytoestrogen, possesses neuroprotective effects in cerebral ischemia and reperfusion in rats. Here, we investigated the neuroprotective effects of calycosin against ischemia and reperfusion injury, as well as related probable mechanisms behind autophagy pathways. METHODS: A cerebral ischemic and reperfusion injury model was established by middle cerebral artery occlusion in male Sprague-Dawley rats...
January 25, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29402747/estrogenic-activity-of-constituents-from-the-rhizomes-of-rheum-undulatum-linn%C3%A3
#10
SeonJu Park, Yun Na Kim, Hee Jae Kwak, Eun Ju Jeong, Seung Hyun Kim
Stilbenes have been reported to be phytoestrogen compounds owing to its structural similarity to the estrogenic agent diethylstilbestrol. To find new stilbene-derivative phytoestrogens, isolation of stilbene-rich R. undulatum was performed and led to identify six new compounds (1-5 and 28), one newly determined absolute configurations compound (27) together with 21 previously reported compounds (6-26). The structures of compounds were determined on the basis of extensive spectroscopic methods including 1D and 2D NMR and CD spectra data...
February 2, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29392379/multiresidue-analysis-of-oestrogenic-compounds-in-cow-goat-sheep-and-human-milk-using-core-shell-polydopamine-coated-magnetic-nanoparticles-as-extraction-sorbent-in-micro-dispersive-solid-phase-extraction-followed-by-ultra-high-performance-liquid-chromatography
#11
Bárbara Socas-Rodríguez, Javier Hernández-Borges, Antonio V Herrera-Herrera, Miguel Ángel Rodríguez-Delgado
In this work, the suitability of Fe3O4 nanoparticles coated with polydopamine was evaluated as sorbent for the extraction of a group of 21 compounds with oestrogenic activity including seven phytoestrogens, six mycotoxins as well as four synthetic and four natural oestrogens from different types of milk, including sheep milk, in which the evaluation of oestrogenic compounds have never been developed before. Extraction was carried out using magnetic micro-dispersive solid-phase extraction after a previous deproteinisation step...
February 1, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29391535/kaempferol-mitigates-endoplasmic-reticulum-stress-induced-cell-death-by-targeting-caspase-3-7
#12
Ahmad Abdullah, Palaniyandi Ravanan
The Endoplasmic Reticulum (ER) plays a fundamental role in executing multiple cellular processes required for normal cellular function. Accumulation of misfolded/unfolded proteins in the ER triggers ER stress which contributes to progression of multiple diseases including neurodegenerative disorders. Recent reports have shown that ER stress inhibition could provide positive response against neuronal injury, ischemia and obesity in in vivo models. Our search towards finding an ER stress inhibitor has led to the functional discovery of kaempferol, a phytoestrogen possessing ER stress inhibitory activity in cultured mammalian cells...
February 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29385487/microrna-221-expression-in-theca-and-granulosa-cells-hormonal-regulation-and-function
#13
C L Robinson, L Zhang, L F Schütz, M L Totty, L J Spicer
Small non-coding RNA molecules (miRNA) regulate protein levels in a post-transcriptional manner by partial base pairing to the 3'-UTR of target genes thus mediating degradation or translational repression. Previous studies indicate that numerous miRNA regulate the biosynthesis of intraovarian hormones, and emerging evidence indicates that one of these, miRNA-221 (MIR221), may be a modulator of ovarian function. However, the hormonal control of ovarian MIR221 is not known. The objectives of this study were to investigate the developmental and hormonal regulation of MIR221 expression in granulosa and theca cells and its possible role in regulating follicular function...
January 29, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29371998/protective-effect-of-isoliquiritigenin-against-ethanol-induced-hepatic-steatosis-by-regulating-the-sirt1-ampk-pathway
#14
Ann-Yae Na, Eun-Ju Yang, Ju Mi Jeon, Sung Hwan Ki, Kyung-Sik Song, Sangkyu Lee
Ethanol-induced fat accumulation, the earliest and most common response of the liver to ethanol exposure, may be involved in the pathogenesis of liver diseases. Isoliquiritigenin (ISL), an important constituent of Glycyrrhizae Radix, is a chalcone derivative that exhibits antioxidant, anti-inflammatory, and phytoestrogenic activities. However, the effect of ISL treatment on lipid accumulation in hepatocytes and alcoholic hepatitis remains unclear. Therefore, we evaluated the effect and underlying mechanism of ISL on ethanol-induced hepatic steatosis by treating AML-12 cells with 200 mM ethanol and/or ISL (0~50 μM) for 72 hr...
January 2018: Toxicological Research
https://www.readbyqxmd.com/read/29368357/puerarin-inhibits-trpm3-mir-204-to-promote-mc3t3-e1-cells-proliferation-differentiation-and-mineralization
#15
Xiangwei Zeng, Qian Feng, Fengming Zhao, Chao Sun, Tao Zhou, Jing Yang, Xiuqin Zhan
Puerarin is an isoflavonoid phytoestrogen extracted from the root of Radix Pueraria, has attracted increasing attention because of its beneficial effects on anti-osteoporosis, but the molecular mechanisms underlying its actions on osteoblasts are not fully understood. The current study aimed to investigate the effect of puerarin on MC3T3-E1 osteoblastic cells proliferation, differentiation and mineralization, in vitro and its underlying mechanisms. The results indicated that puerarin significantly promoted the osteoblasts proliferation, enhanced alkaline phosphatase activity and increased the formation of mineralized nodules...
January 24, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29362606/genistein-ameliorates-cyclophosphamide-induced-hepatotoxicity-by-modulation-of-oxidative-stress-and-inflammatory-mediators
#16
Dina F Mansour, Dalia O Saleh, Rasha E Mostafa
AIM: The present study investigated the protective effect of the phytoestrogen, genistein (GEN), against (CP)-induced acute hepatotoxicity in rats. MATERIAL AND METHODS: Male adult rats were randomly assigned into five groups. Normal control group received the vehicles; CP group received a single dose of CP (200 mg/kg, i.p). The other three groups received subcutaneous GEN at doses of 0.5, 1 and 2 mg/kg/day, respectively, for 15 consecutive days prior CP injection...
December 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29354615/effect-of-phytoestrogen-on-depression-and-anxiety-in-menopausal-women-a-systematic-review
#17
Abolfazl Fattah
Objectives: In this systematic review, the effectiveness of herbal medicines in improving depression and anxiety in menopausal women was assessed. Methods: Three following databases were individually searched: MEDLINE (1966-March 2017), SCOPUS (1990-March 2017), and the Cochrane Library (Cochrane Central Register of Controlled Trials; 2017). Results: A total of 9 trials were included in this systematic review. Overall, soy was found to have a beneficial effect...
December 2017: Journal of Menopausal Medicine
https://www.readbyqxmd.com/read/29346578/effect-of-daidzein-and-equol-on-dna-replication-in-mcf-7-cells
#18
Mako Tsuji, Tomoki Tanaka, Ryosuke Nagashima, Yuka Sagisaka, Yuko Tousen, Yoriko Nishide, Yoshiko Ishimi, Yukio Ishimi
It has been reported that daidzein and equol stimulate DNA replication and proliferation of MCF-7 cells. However, their molecular mechanisms of action are still unclear. We examined the effects of daidzein and equol on DNA replication of MCF-7 cells, focusing on MCM2-7 proteins, which function as the replicative helicase. In the presence of either 1 μM of daidzein or equol, the number of cells in S-phase, which was determined by detecting bromodeoxyuridine incorporated into replicated DNA, almost doubled...
January 15, 2018: Journal of Biochemistry
https://www.readbyqxmd.com/read/29344275/genistein-promotes-proliferation-of-human-cervical-cancer-cells-through-estrogen-receptor-mediated-pi3k-akt-nf-%C3%AE%C2%BAb-pathway
#19
Hai-Hong Chen, Shu-Ping Chen, Qiu-Ling Zheng, Shao-Ping Nie, Wen-Juan Li, Xiao-Juan Hu, Ming-Yong Xie
Phytoestrogens are polyphenol compounds which have similar structure to 17β-estradiol (E2), a kind of main estrogen in women. Thus, phytoestrogens may affect the reproductive and endocrine systems, leading to the development of estrogen-related cancers. The effect of genistein (Gen), one of the most studied phytoestrogens, on human cervical cancer cells (HeLa) was investigated in this study. It was found that Gen at concentrations of 0.001, 0.01, 0.1 and 1 µmol·L-1 promoted the proliferation of HeLa cells in a dose-dependent manner...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29337187/metabolomics-reveals-that-dietary-xenoestrogens-alter-cellular-metabolism-induced-by-palbociclib-letrozole-combination-cancer-therapy
#20
Benedikt Warth, Philipp Raffeiner, Ana Granados, Tao Huan, Mingliang Fang, Erica M Forsberg, H Paul Benton, Laura Goetz, Caroline H Johnson, Gary Siuzdak
Recently, the palbociclib/letrozole combination therapy was granted accelerated US FDA approval for the treatment of estrogen receptor (ER)-positive breast cancer. Since the underlying metabolic effects of these drugs are yet unknown, we investigated their synergism at the metabolome level in MCF-7 cells. As xenoestrogens interact with the ER, we additionally aimed at deciphering the impact of the phytoestrogen genistein and the estrogenic mycotoxin zearalenone. A global metabolomics approach was applied to unravel metabolite and pathway modifications...
January 10, 2018: Cell Chemical Biology
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