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Isoflavones

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https://www.readbyqxmd.com/read/27904045/puerarin-prevents-lps-induced-osteoclast-formation-and-bone-loss-via-inhibition-of-akt-activation
#1
Yun Zhang, Ming Yan, Qing-Feng Yu, Pei-Fan Yang, Hai-Dong Zhang, Yong-Hong Sun, Zhi-Fen Zhang, Yun-Feng Gao
Osteolysis induced by chronic Gram-negative bacterial infection underlies many bone diseases such as osteomyelitis, septic arthritis, and periodontitis. Drugs that inhibit lipopolysaccharide (LPS)-induced osteolysis are critically needed for the prevention of bone destruction in infective bone diseases. In this study, we assessed the effect of puerarin, a natural isoflavone isolated from Pueraria lobata OHWI root, on LPS-induced osteoclastogenesis and bone loss. Our in vitro study showed that puerarin significantly inhibited LPS-induced osteoclast differentiation from osteoclast precursor RAW264...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27896020/identification-of-phenolic-secondary-metabolites-from-schotia-brachypetala-sond-fabaceae-and-demonstration-of-their-antioxidant-activities-in-caenorhabditis-elegans
#2
Mansour Sobeh, Esraa ElHawary, Herbenya Peixoto, Rola M Labib, Heba Handoussa, Noha Swilam, Ahmed H El-Khatib, Farukh Sharapov, Tamer Mohamed, Sonja Krstin, Michael W Linscheid, Abdel Nasser Singab, Michael Wink, Nahla Ayoub
BACKGROUND: Schotia brachypetala Sond. (Fabaceae) is an endemic tree of Southern Africa whose phytochemistry and pharmacology were slightly studied. The present work aimed at profiling the major phenolics compounds present in the hydro-alcohol extract from S. brachypetala leaves (SBE) using LC/HRESI/MS/MS and NMR and prove their antioxidant capabilities using novel methods. METHODS: In vitro assays; DPPH, TEAC persulfate decolorizing kinetic and FRAP assays, and in vivo assays: Caenorhabditis elegans strains maintenance, Intracellular ROS in C...
2016: PeerJ
https://www.readbyqxmd.com/read/27895311/aging-of-hippocampal-neurogenesis-and-soy-isoflavone
#3
EDITORIAL
Jun Yamada, Shozo Jinno
No abstract text is available yet for this article.
November 23, 2016: Oncotarget
https://www.readbyqxmd.com/read/27891704/isoflavone-genistein-inhibits-estrogen-induced-chloride-and-bicarbonate-secretory-mechanisms-in-the-uterus-in-rats
#4
Asma Chinigarzadeh, Kamarulzaman Karim, Sekaran Muniandy, Naguib Salleh
We hypothesized that genistein could affect the chloride (Cl(-) ) and bicarbonate (HCO3(-) ) secretory mechanisms in uterus. Ovariectomized female rats were given estradiol or estradiol plus progesterone with 25, 50, or 100 mg/kg/day genistein. Following completion of the treatment, uterine fluid Cl(-) and HCO3(-) concentrations were determined by in vivo uterine perfusion. Uteri were subjected for molecular biological analysis (Western blot, qPCR, and immunohistochemistry) to detect levels of expression of Cystic Fibrosis transmembrane regulator (CFTR), Cl(-) /HCO3(-) exchanger (SLC26a6), Na(+) /HCO3(-) cotransporter (SLC4a4), and estrogen receptor (ER)-α and β...
November 28, 2016: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/27890700/biochanin-a-attenuates-neuropathic-pain-in-diabetic-rats
#5
Venkateswarlu Chundi, Siva Reddy Challa, Devala Rao Garikapati, Giridhar Juvva, Anusha Jampani, Sree Harsha Pinnamaneni, Sahithi Venigalla
BACKGROUND: Soya supplements are used in the treatment of neuropathic pain. Previous reports reveal that consumption of soy diet before nerve injury prevents the development of neuropathic pain in rats. Biochanin-A, a soy isoflavone, has a naturally occurring inhibitor of fatty acid amide hydrolase (FAAH) that metabolized endocannabinoids. OBJECTIVE: The objective was to evaluate efficacy of biochanin-A in streptozotocin (STZ) induced neuropathic pain in rat model...
November 25, 2016: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/27886135/soy-and-health-update-evaluation-of-the-clinical-and-epidemiologic-literature
#6
REVIEW
Mark Messina
Soyfoods have long been recognized as sources of high-quality protein and healthful fat, but over the past 25 years these foods have been rigorously investigated for their role in chronic disease prevention and treatment. There is evidence, for example, that they reduce risk of coronary heart disease and breast and prostate cancer. In addition, soy alleviates hot flashes and may favorably affect renal function, alleviate depressive symptoms and improve skin health. Much of the focus on soyfoods is because they are uniquely-rich sources of isoflavones...
November 24, 2016: Nutrients
https://www.readbyqxmd.com/read/27871141/root-isoflavonoids-and-hairy-root-transformation-influence-key-bacterial-taxa-in-the-soybean-rhizosphere
#7
Laura J White, Xijin Ge, Volker S Brözel, Senthil Subramanian
Rhizodeposits play a key role in shaping rhizosphere microbial communities. In soybean, isoflavonoids are a key rhizodeposit component that aid in plant defense and enable symbiotic associations with rhizobia. However, it is uncertain if and how they influence rhizosphere microbial communities. Isoflavonoid biosynthesis was silenced via RNA interference of isoflavone synthase in soybean hairy root composite plants. Rhizosphere soil fractions tightly associated with roots were isolated, and PCR amplicons from 16S rRNA gene variable regions V1-V3 and V3-V5 from these fractions were sequenced using 454...
November 21, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27867770/soymilk-residue-okara-as-a-natural-immobilization-carrier-for-lactobacillus-plantarum-cells-enhances-soymilk-fermentation-glucosidic-isoflavone-bioconversion-and-cell-survival-under-simulated-gastric-and-intestinal-conditions
#8
Xia Xiudong, Wang Ying, Liu Xiaoli, Li Ying, Zhou Jianzhong
Cell immobilization is an alternative to microencapsulation for the maintenance of cells in a liquid medium. However, artificial immobilization carriers are expensive and pose a high safety risk. Okara, a food-grade byproduct from soymilk production, is rich in prebiotics. Lactobacilli could provide health enhancing effects to the host. This study aimed to evaluate the potential of okara as a natural immobilizer for L. plantarum 70810 cells. The study also aimed to evaluate the effects of okara-immobilized L...
2016: PeerJ
https://www.readbyqxmd.com/read/27864692/transglutaminase-2-is-involved-in-amyloid-beta1-42-induced-pro-inflammatory-activation-via-ap1-jnk-signalling-pathways-in-thp-1-monocytes
#9
Monica Currò, Chiara Gangemi, Maria Laura Giunta, Nadia Ferlazzo, Michele Navarra, Riccardo Ientile, Daniela Caccamo
Deposition of amyloid-beta (Aβ) peptides has been shown to induce the release of inflammatory factors by activated microglia and brain infiltrating monocytes/macrophages. Interestingly, the enzyme transglutaminase 2 (TG2) has been shown to play a key role in neuroinflammation and regulation of transcription factors involved in immunomodulation. In this study, we aimed to better elucidate the mechanisms underlying TG2 involvement in the pro-inflammatory signaling pathway activated by fibrillar Aβ1-42 in THP-1 monocytes...
November 18, 2016: Amino Acids
https://www.readbyqxmd.com/read/27864542/involvement-of-three-putative-glucosyltransferases-from-the-ugt72-family-in-flavonol-glucoside-rhamnoside-biosynthesis-in-lotus-japonicus-seeds
#10
Qinggang Yin, Guoan Shen, Zhenzhan Chang, Yuhong Tang, Hongwen Gao, Yongzhen Pang
Flavonols are one of the largest groups of flavonoids that confer benefits for the health of plants and animals. Flavonol glycosides are the predominant flavonoids present in the model legume Lotus japonicus The molecular mechanisms underlying the biosynthesis of flavonol glycosides as yet remain unknown in L. japonicus. In the present study, we identified a total of 188 UDP-glycosyltransferases (UGTs) in L. japonicus by genome-wide searching. Notably, 12 UGTs from the UGT72 family were distributed widely among L...
November 17, 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/27861885/sensitivity-of-tp53-mutated-cancer-cells-to-the-phytoestrogen-genistein-is-associated-with-direct-inhibition-of-plk1-activity
#11
Sol-Bi Shin, Sang-Uk Woo, Young Won Chin, Young-Joo Jang, Hyungshin Yim
Polo-like kinase 1 (Plk1), a conserved Ser/Thr mitotic kinase, has been identified as a promising target for anticancer drug development because its overexpression is correlated with malignancy. Here, we found that genistein, an isoflavone, inhibits Plk1 kinase activity directly. Previously the mitotic disturbance phenomenon induced by treatment with genistein was not fully explained by its inhibitory effect on EGFR. In kinase profiling assays, it showed selectivity relative to a panel of kinases, including EGFR...
November 9, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27834834/the-cooperative-effect-of-genistein-and-protein-hydrolysates-on-the-proliferation-and-survival-of-osteoblastic-cells-hfob-1-19
#12
Shuo Wang, Yu Fu, Xin-Huai Zhao
Chum salmon skin gelatin, de-isoflavoned soy protein, and casein were hydrolyzed at two degrees of hydrolysis. Genistein, the prepared hydrolysates, and genistein-hydrolysate combinations were assessed for their proliferative and anti-apoptotic effects on human osteoblasts (hFOB 1.19) to clarify potential cooperative effects between genistein and these hydrolysates in these two activities. Genistein at 2.5 μg/L demonstrated the highest proliferative activity, while the higher dose of genistein inhibited cell growth...
November 8, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27832301/liquid-chromatography-with-absorbance-detection-and-with-isotope-dilution-mass-spectrometry-for-determination-of-isoflavones-in-soy-standard-reference-materials
#13
Melissa M Phillips, Mary Bedner, Manuela Reitz, Carolyn Q Burdette, Michael A Nelson, James H Yen, Lane C Sander, Catherine A Rimmer
Two independent analytical approaches, based on liquid chromatography with absorbance detection and liquid chromatography with mass spectrometric detection, have been developed for determination of isoflavones in soy materials. These two methods yield comparable results for a variety of soy-based foods and dietary supplements. Four Standard Reference Materials (SRMs) have been produced by the National Institute of Standards and Technology to assist the food and dietary supplement community in method validation and have been assigned values for isoflavone content using both methods...
November 10, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27829351/recent-updates-in-imperative-natural-compounds-for-healthy-brain-and-nerve-function-a-systematic-review-of-implications-for-multiple-sclerosis
#14
Nima Sanadgol, Shahram Shahraki Zahedani, Mohammad Sharifzadeh, Roghayeh Khalseh, Gullam Reza Barbari, Mohammad Abdollahi
BACKGROUND: The evolution of the 'Green' movement in western society has changed attitudes in the general population who now perceive natural compounds as being inherently harmless and more desirable than artificial chemical products. OBJECTIVE: Considering the growing interest towards introducing naturally emerged medicines, the purpose of this review was to overview the ongoing research into prevention and treatment of multiple sclerosis (MS) lesions. METHOD: This review was carried out by searching bibliographic databases such as PubMed and Scopus for studies reported between 1th January 2008 to 30rd January 2016 on MS patients or animal models of MS, investigating the beneficial effects of natural compounds in MS treatment...
November 8, 2016: Current Drug Targets
https://www.readbyqxmd.com/read/27826811/inducible-de-novo-biosynthesis-of-isoflavonoids-in-soybean-leaves-by-spodoptera-litura-derived-elicitors-tracer-techniques-aided-by-high-resolution-lcms
#15
Ryu Nakata, Yuki Kimura, Kenta Aoki, Naoko Yoshinaga, Masayoshi Teraishi, Yutaka Okumoto, Alisa Huffaker, Eric A Schmelz, Naoki Mori
Isoflavonoids are a characteristic family of natural products in legumes known to mediate a range of plant-biotic interactions. For example, in soybean (Glycine max: Fabaceae) multiple isoflavones are induced and accumulate in leaves following attack by Spodoptera litura (Lepidoptera: Noctuidae) larvae. To quantitatively examine patterns of activated de novo biosynthesis, soybean (Var. Enrei) leaves were treated with a combination of plant defense elicitors present in S. litura gut content extracts and L-α-[(13)C9, (15)N]phenylalanine as a traceable isoflavonoid precursor...
November 8, 2016: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/27823732/cancer-chemoprevention-by-dietary-phytochemicals-epidemiological-evidence
#16
REVIEW
Raúl Baena Ruiz, Pedro Salinas Hernández
BACKGROUND: In recent years, natural compounds called "phytochemicals", which are present in fruits, vegetables, and plants, have received special attention due to their potential to interfere with tumour formation and development. Many of these phytochemicals are being used in chemoprevention strategies. However, the scientific evidence regarding the modification of cancer risk continues to be debated. OBJECTIVE: The aim of this paper is to review the current scientific evidence and the most relevant epidemiological studies regarding the consumption or use of phytochemicals and their effects on the incidence of cancer...
December 2016: Maturitas
https://www.readbyqxmd.com/read/27819218/performance-and-egg-quality-of-laying-hens-fed-flaxseed-highlights-on-n-3-fatty-acids-cholesterol-lignans-and-isoflavones
#17
S Mattioli, S Ruggeri, B Sebastiani, G Brecchia, A Dal Bosco, A Cartoni Mancinelli, C Castellini
Flaxseed is a rich source of α-linolenic acid and phytoestrogens, mainly lignans, whose metabolites (enterodiol and enterolactone) can affect estrogen functions. The present study evaluated the influence of dietary flaxseed supplementation on reproductive performance and egg characteristics (fatty acids, cholesterol, lignans and isoflavones) of 40 Hy-Line hens (20/group) fed for 23 weeks a control diet or the same diet supplemented with 10% of extruded flaxseed. The flaxseed diet had approximately three times the content of lignans (2608...
November 7, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27809235/protective-effect-of-genistein-against-neuronal-degeneration-in-apoe-mice-fed-a-high-fat-diet
#18
Yoon-Jin Park, Je Won Ko, Sookyoung Jeon, Young Hye Kwon
Altered cholesterol metabolism is believed to play a causal role in major pathophysiological changes in neurodegeneration. Several studies have demonstrated that the absence of apolipoprotein E (ApoE), a predominant apolipoprotein in the brain, leads to an increased susceptibility to neurodegeneration. Previously, we observed that genistein, a soy isoflavone, significantly alleviated apoptosis and tau hyperphosphorylation in SH-SY5Y cells. Therefore, we investigated the neuroprotective effects of dietary genistein supplementation (0...
October 31, 2016: Nutrients
https://www.readbyqxmd.com/read/27804870/daidzein-and-its-effects-on-brain
#19
Touqeer Ahmed, Sana Javed, Ameema Tariq, Barbara Budzy, Grazia D Onofrio, Maria Daglia, Seyed Fazel Nabavi, Seyed Mohammad Nabavi
Among naturally occurring isoflavones, soy isoflavones are an important class with various biological activities. Due to their phytoestrogenic structure, their effects on the brain are profound- thus making the neurobiological effects of these compounds an active area of research. One such compound is daidzein, which has been reported to affect various neurobiological regulatory mechanisms such as behavior, cognition, growth, development and reproduction. These effects are mainly elicited through the interaction of daidzein with different signaling molecules and receptors, thereby offering neuroprotection...
November 1, 2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27797674/effect-of-soy-in-men-with-type-2-diabetes-mellitus-and-subclinical-hypogonadism-a-randomized-controlled-study
#20
Thozhukat Sathyapalan, Alan S Rigby, Shalender Bhasin, Natalie J Thatcher, Eric S Kilpatrick, Stephen L Atkin
CONTEXT: Isoflavones found in soy products have a chemical structure similar to estrogen, leading to concerns of an adverse estrogenic effect in men, particularly in those with type 2 diabetes mellitus (T2DM) who have low testosterone levels due to hypogonadism. OBJECTIVE: The primary outcome was change in total testosterone levels. The secondary outcomes were the changes in glycaemia and cardiovascular risk markers. DESIGN: Randomised double blind parallel study...
October 31, 2016: Journal of Clinical Endocrinology and Metabolism
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