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Suen AA, Kenan AC, Williams CJ. Developmental exposure to phytoestrogens found in soy: New findings and clinical implications. Biochem Pharmacol 2022; 195:114848. [PMID: 34801523 PMCID: PMC8712417 DOI: 10.1016/j.bcp.2021.114848] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 11/13/2021] [Accepted: 11/16/2021] [Indexed: 01/03/2023]
Abstract
Exposure to naturally derived estrogen receptor activators, such as the phytoestrogen genistein, can occur at physiologically relevant concentrations in the human diet. Soy-based infant formulas are of particular concern because infants consuming these products have serum genistein levels almost 20 times greater than those seen in vegetarian adults. Comparable exposures in animal studies have adverse physiologic effects. The timing of exposure is particularly concerning because infants undergo a steroid hormone-sensitive period termed "minipuberty" during which estrogenic chemical exposure may alter normal reproductive tissue patterning and function. The delay between genistein exposure and reproductive outcomes poses a unique challenge to collecting epidemiological data. In 2010, the U.S. National Toxicology Program monograph on the safety of the use of soy formula stated that the use of soy-based infant formula posed minimal concern and emphasized a lack of data from human subjects. Since then, several new human and animal studies have advanced our epidemiological and mechanistic understanding of the risks and benefits of phytoestrogen exposure. Here we aim to identify clinically relevant findings regarding phytoestrogen exposure and female reproductive outcomes from the past 10 years, with a focus on the phytoestrogen genistein, and explore the implications of these findings for soy infant formula recommendations. Research presented in this review will inform clinical practice and dietary recommendations for infants based on evidence from both clinical epidemiology and basic research advances in endocrinology and developmental biology from mechanistic in vitro and animal studies.
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Affiliation(s)
- Alisa A Suen
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | - Anna C Kenan
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | - Carmen J Williams
- Reproductive and Developmental Biology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA.
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Wu G, Li S, Qu G, Hua J, Zong J, Li X, Xu F. Genistein alleviates H 2O 2-induced senescence of human umbilical vein endothelial cells via regulating the TXNIP/NLRP3 axis. Pharm Biol 2021; 59:1388-1401. [PMID: 34663173 PMCID: PMC8526007 DOI: 10.1080/13880209.2021.1979052] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
CONTEXT Genistein (Gen) has shown protective effects against ageing process. OBJECTIVE To explore the role of Gen on the senescence of H2O2-induced human umbilical vein endothelial cells (HUVECs) and investigate the possible mechanism. MATERIALS AND METHODS HUVECs were treated with different concentrations of H2O2 (50, 100, 200 and 400 μmol/L) for 1 h or Gen administration (20, 40, 80 and 160 μg/mL) for 24 h. Functional experiments (cell counting kit-8, β-galactosidase staining and flow cytometry) were used to detect the effect of Gen on H2O2-induced HUVECs. After HUVECs were transfected with TXNIP overexpression plasmids, the expression of p16, p21, thioredoxin-interacting protein (TXNIP), nucleotide-binding and oligomerization domain-like receptor 3 (NLRP3), cleaved caspase-3 and cleaved caspase-1 in HUVECs were detected by quantitative real-time polymerase chain reaction (qRT-PCR) and western blot. RESULTS H2O2 (200 and 400 μmol/L) inhibited the proliferation of HUVECs. At concentrations of >50 μmol/L, H2O2 induced the cell cycle progression arrests in G1 phase and promoted cell senescence of HUVECs. Gen had no obvious cytotoxicity to HUVECs below 160 µg/mL. H2O2-induced HUVEC senescence and the expression of TXNIP and NLRP3 in HUVECs were down-regulated by Gen (40 and 80 µg/mL). Expressions of TXNIP and NLRP3 in HUVECs were up-regulated by H2O2 but down-regulated by Gen. Overexpressed TXNIP partially reversed the suppressive effect of Gen on H2O2-induced senescence and apoptosis of HUVECs. Expressions of p16, p21, TXNIP, NLRP3, cleaved caspase-3 and cleaved caspase-1 in H2O2-treated HUVECs were inhibited by Gen, while the inhibition as such was partially reversed by overexpressed TXNIP. DISCUSSION AND CONCLUSIONS H2O2-induced HUVEC senescence was alleviated by Gen via suppressing the TXNIP/NLRP3 axis, which may offer a potential therapeutic approach for improving HUVEC senescence and provide a new direction for the treatment of cardiovascular disease.
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Affiliation(s)
- Guihua Wu
- Department of Geriatrics, Nantong First Geriatric Hospital, Nantong City, China
| | - Siming Li
- Department of Geriatrics, Harbin Second Hospital, Harbin, China
| | - Guangjin Qu
- Cadre Ward of The First Affiliated Hospital of Harbin Medical University, Harbin City, China
| | - Jiajia Hua
- Department of Traditional Chinese Medicine, Nantong First Elderly Hospital, Nantong City, China
| | - Jing Zong
- Department of Geriatrics, Nantong First Geriatric Hospital, Nantong City, China
| | - Xiaofeng Li
- Department of Otolaryngology, East Hospital, Shanghai Sixth People's Hospital, Nanhui New City, China
| | - Fanghui Xu
- Department of Geriatrics, Harbin Second Hospital, Harbin, China
- CONTACT Fanghui Xu Department of Geriatrics, Harbin Second Hospital, No. 38 Weixing Road, Daowai District, Harbin 150020, China
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Sadeghian R, Shahidi S, Komaki A, Habibi P, Ahmadiasl N, Yousefi H, Daghigh F. Synergism effect of swimming exercise and genistein on the inflammation, oxidative stress, and VEGF expression in the retina of diabetic-ovariectomized rats. Life Sci 2021; 284:119931. [PMID: 34480934 DOI: 10.1016/j.lfs.2021.119931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/30/2022]
Abstract
AIMS Retinal neovascularization is one of the visual disorders during the postmenopausal period or types two diabetes. Physical activities and also phytoestrogens with powerful antioxidant features have been widely considered to improve nervous system diseases. Therefore, this study investigated the effects of genistein, swimming exercise, and their co-treatment on retina angiogenesis, oxidative stress, and inflammation in diabetic-ovariectomized rats. MAIN METHODS Wistar rats were randomly divided into six groups (n = 8 per group): sham, ovariectomized group (OVX), OVX + diabetes (OVX.D), OVX.D+ genistein (1 mg/kg, eight weeks; daily SC), OVX.D + exercise (eight weeks), and OVX.D+ genistein+exercise (eight weeks). At the end of 8 weeks, the retina was removed under anesthesia. The assessed effects of treatment were by measuring MiR-146a and miR-132 expression via RT-PCR, the protein levels of ERK, MMP-2, VEGF, and NF-κB via western blotting, inflammation, and oxidative stress markers levels via the Eliza. KEY FINDINGS The results showed miR-132, miR-146b, and MMP-2, NF-κB, ERK, VEGF, TNF-α, IL-1β proteins, and MDA factor in the OVX.D group were increased, but glutathione (GSH) was decreased in comparison with the sham and OVX groups. Both exercise and genistein treatment has reversed the disorder caused by diabetes. However, the combination of exercise and genistein was more effective than each treatment alone. SIGNIFICANCE It can be concluded that the interaction of exercise and genistein on microRNAs and their target protein was affected in the inflammation, stress oxidative, and extracellular matrix metalloproteinase pathways, can leading to a decrease in impairment of retinal neovascularization of the ovariectomized diabetic rats.
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Affiliation(s)
- Reihaneh Sadeghian
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran; Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Siamak Shahidi
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Alireza Komaki
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Parisa Habibi
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Nasser Ahmadiasl
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Yousefi
- Department of Basic Medical Sciences, Khoy University of Medical Sciences, Khoy, Iran
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Ghosh A, Rust S, Langford-Smith K, Weisberg D, Canal M, Breen C, Hepburn M, Tylee K, Vaz FM, Vail A, Wijburg F, O'Leary C, Parker H, Wraith JE, Bigger BW, Jones SA. High dose genistein in Sanfilippo syndrome: A randomised controlled trial. J Inherit Metab Dis 2021; 44:1248-1262. [PMID: 34047372 DOI: 10.1002/jimd.12407] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 05/25/2021] [Accepted: 05/27/2021] [Indexed: 01/30/2023]
Abstract
The aim of this study was to evaluate the efficacy of high dose genistein aglycone in Sanfilippo syndrome (mucopolysaccharidosis type III). High doses of genistein aglycone have been shown to correct neuropathology and hyperactive behaviour in mice, but efficacy in humans is uncertain. This was a single centre, double-blinded, randomised, placebo-controlled study with open-label extension phase. Randomised participants received either 160 mg/kg/day genistein aglycone or placebo for 12 months; subsequently all participants received genistein for 12 months. The primary outcome measure was the change in heparan sulfate concentration in cerebrospinal fluid (CSF), with secondary outcome measures including heparan sulfate in plasma and urine, total glycosaminoglycans in urine, cognitive and adaptive behaviour scores, quality of life measures and actigraphy. Twenty-one participants were randomised and 20 completed the placebo-controlled phase. After 12 months of treatment, the CSF heparan sulfate concentration was 5.5% lower in the genistein group (adjusted for baseline values), but this was not statistically significant (P = .26), and CSF heparan sulfate increased in both groups during the open-label extension phase. Reduction of urinary glycosaminoglycans was significantly greater in the genistein group (32.1% lower than placebo after 12 months, P = .0495). Other biochemical and clinical parameters showed no significant differences between groups. High dose genistein aglycone (160 mg/kg/day) was not associated with clinically meaningful reductions in CSF heparan sulfate and no evidence of clinical efficacy was detected. However, there was a statistically significant reduction in urine glycosaminoglycans. These data do not support the use of genistein aglycone therapy in mucopolysaccharidosis type III. High dose genistein aglycone does not lead to clinically meaningful reductions in biomarkers or improvement in neuropsychological outcomes in mucopolysaccharidosis type III.
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Affiliation(s)
- Arunabha Ghosh
- Willink Biochemical Genetics Unit, Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester, UK
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, University of Manchester, Manchester, UK
| | - Stewart Rust
- Paediatric Psychosocial Service, Manchester University NHS Foundation Trust, Manchester, UK
| | - Kia Langford-Smith
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, University of Manchester, Manchester, UK
| | - Daniel Weisberg
- Paediatric Psychosocial Service, Manchester University NHS Foundation Trust, Manchester, UK
| | - Maria Canal
- Division of Neuroscience and Experimental Psychology, University of Manchester, Manchester, UK
| | - Catherine Breen
- Division of Evolution and Genomic Sciences, School of Biological Sciences, University of Manchester, Manchester, UK
| | - Michelle Hepburn
- Wellcome Trust Children's Clinical Research Facility, Royal Manchester Children's Hospital, Manchester, UK
| | - Karen Tylee
- Willink Biochemical Genetics Unit, Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester, UK
| | - Frédéric M Vaz
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Andy Vail
- Centre for Biostatistics, School of Health Sciences, University of Manchester, UK
| | - Frits Wijburg
- Amsterdam UMC, location Academic Medical Center, Amsterdam, Netherlands
| | - Claire O'Leary
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, University of Manchester, Manchester, UK
| | - Helen Parker
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, University of Manchester, Manchester, UK
| | - J Ed Wraith
- Willink Biochemical Genetics Unit, Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester, UK
| | - Brian W Bigger
- Stem Cell and Neurotherapies, Division of Cell Matrix Biology and Regenerative Medicine, University of Manchester, Manchester, UK
| | - Simon A Jones
- Willink Biochemical Genetics Unit, Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester, UK
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Li Y, Liu Y, Xu Y, Chen H, Yan Z, Wang X. Aggravated behavioral and neurochemical deficits and redox imbalance in mice with enhanced neonatal iron intake: improvement by biochanin A and role of microglial p38 activation. Nutr Neurosci 2021; 24:161-172. [PMID: 31050314 DOI: 10.1080/1028415x.2019.1611021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Objectives: We aim to investigate the joint effect of iron (enhanced neonatal iron intake), 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and biochanin A (BA, oral administration) and possible mechanisms for action on behavioral and neurochemical indicators in the mice. Methods: Rotarod test, pole test and swim test were used to evaluate animal behavior. The neurochemical analysis was conducted by HPLC-ECD. Oxidative stress was determined in this study. Further mechanism was investigated through in vitro experiments. Results: Iron and MPTP co-administration significantly induced behavioral deficits and decreased striatal dopamine content in the male and female mice. The co-administration of iron and MPTP also significantly induced redox imbalance in the substantia nigra (SN) of mice. Furthermore, BA significantly improved behavioral deficits and increased striatal dopamine content in the mice co-treated with iron and MPTP. BA also significantly improved redox imbalance in the SN of mice co-administered with iron and MPTP. Finally, we showed that iron and 1-Methyl-4-phenylpyridinium (MPP+) co-treatment significantly increased superoxide production in microglial cultures by inducing p38 mitogen-activated protein kinase (MAPK) activation. BA also significantly decreased superoxide production and p38 MAPK phosphorylation in the cultures co-treated with iron and MPP+. Conclusion: Iron and MPTP co-treatment may result in worsened behavioral and neurochemical deficits and aggravated redox imbalance through inducing microglial p38 MAPK activation. BA may improve behavioral and neurochemical deficits and redox imbalance through repressing microglial p38 MAPK activation.
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Affiliation(s)
- Yunhong Li
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Ying Liu
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Yaling Xu
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Hanqing Chen
- School of Biotechnology and Food Engineering, Hefei University of Technology, Hefei, People's Republic of China
| | - Zhiqiang Yan
- Shanghai Laboratory Animal Center, Chinese Academy of Sciences, Shanghai, People's Republic of China
| | - Xijin Wang
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
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Dev A, Sardoiwala MN, Kushwaha AC, Karmakar S, Choudhury SR. Genistein nanoformulation promotes selective apoptosis in oral squamous cell carcinoma through repression of 3PK-EZH2 signalling pathway. Phytomedicine 2021; 80:153386. [PMID: 33113500 DOI: 10.1016/j.phymed.2020.153386] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 08/22/2020] [Accepted: 10/13/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Overexpression of polycomb protein contributes to epigenetic repression in oral squamous cell carcinoma (OSCC) ensuing in poor prognosis and aggressive phenotype. Several plant-based compounds could help prevent epigenome alteration and cancer progression, but their low bioavailability limits their therapeutic activity. HYPOTHESIS In this study, we have synthesized genistein nanoformulation (GLNPs) and evaluated its epigenetic regulation mechanism for selective apoptosis induction in OSCC. METHODS Lactalbumin was used to prepare nanoformulation of Genistein. The mechanism of epigenetic regulation and selective apoptosis by Genistein loaded nanoparticles was studied in OSCC cell line JHU011 and fibroblast cell line L929 using immunofluorescence, Western blotting and ChIP-qPCR assay. RESULTS We have found that GLNPs treatment selectively induced apoptosis in OSCC compared to the normal fibroblast cells. This selective effect in OSCC is achieved through enhanced reactive oxygen species (ROS) generation followed by Bax mitochondrial translocation and caspase 3 activation. Further, GLNPs induced withdrawal of epigenetic transcription repression through concurrent downregulation of the polycomb group proteins (PcG) Bmi 1 and EZH2 along with their successive targets, UbH2AK119 and H3K27me3, which have immense therapeutic implications in the treatment of OSCC. Last, we have established that GLNPs regulate EZH2expression through proteasomal mediated degradation and 3PK inhibition; 3PK protein was found physically linked with EZH2 protein and its promoter region (-1107 to -1002). This event indicates that 3PK might play some crucial role in EZH2 expression and epigenetic control of OSCC. Moreover, the formulation showed improved biodistribution, aqueous dispersibility and enhanced biocompatibility In-vivo. CONCLUSIONS These results provide evidence that GLNPs may withdraw epigenetic transcriptional repression and selectively induce apoptosis in human oral squamous cell carcinoma.
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Affiliation(s)
- Atul Dev
- Institute of Nano Science and Technology, Habitat Centre, Phase-10, Mohali, Punjab, 160062, India
| | | | - Avinash Chandra Kushwaha
- Institute of Nano Science and Technology, Habitat Centre, Phase-10, Mohali, Punjab, 160062, India
| | - Surajit Karmakar
- Institute of Nano Science and Technology, Habitat Centre, Phase-10, Mohali, Punjab, 160062, India.
| | - Subhasree Roy Choudhury
- Institute of Nano Science and Technology, Habitat Centre, Phase-10, Mohali, Punjab, 160062, India.
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Wu GJ, Chen JT, Cherng YG, Chang CC, Liu SH, Chen RM. Genistein Improves Bone Healing via Triggering Estrogen Receptor Alpha-Mediated Expressions of Osteogenesis-Associated Genes and Consequent Maturation of Osteoblasts. J Agric Food Chem 2020; 68:10639-10650. [PMID: 32897066 DOI: 10.1021/acs.jafc.0c02830] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Osteoporosis-associated fractures may cause higher morbidity and mortality. Our previous study showed the effects of genistein, a phytoestrogen, on the induction of estrogen receptor alpha (ERα) gene expression and stimulation of osteoblast mineralization. In this study, rat calvarial osteoblasts and an animal bone defect model were used to investigate the effects of genistein on bone healing. Treatment with genistein caused a time-dependent increase in alkaline phosphatase (ALP) activity in rat osteoblasts. Levels of cytosolic and nuclear ERα significantly augmented following exposure to genistein. Subsequently, genistein elevated levels of ALP mRNA and protein in rat osteoblasts. Moreover, genistein induced other osteogenesis-associated osteocalcin and Runx2 mRNA and protein expressions. Knocking-down ERα using RNA interference concurrently inhibited genistein-induced Runx2, osteocalcin, and ALP mRNA expression. Attractively, administration of ICR mice suffering bone defects with genistein caused significant increases in the callus width, chondrocyte proliferation, and ALP synthesis. Results of microcomputed tomography revealed that administration of genistein increased trabecular bone numbers and improved the bone thickness and volume. This study showed that genistein can improve bone healing via triggering ERα-mediated osteogenesis-associated gene expressions and subsequent osteoblast maturation.
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Affiliation(s)
- Gong-Jhe Wu
- Department of Anesthesiology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
- Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Jui-Tai Chen
- Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Yih-Giun Cherng
- Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Chuen-Chau Chang
- Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Anesthesiology and Health Policy Research Center, Taipei Medical University, Taipei 11031, Taiwan
| | - Shing-Hwa Liu
- Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Ruei-Ming Chen
- Anesthesiology and Health Policy Research Center, Taipei Medical University, Taipei 11031, Taiwan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
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Soleimanpour M, Tamaddon AM, Kadivar M, Abolmaali SS, Shekarchizadeh H. Fabrication of nanostructured mesoporous starch encapsulating soy-derived phytoestrogen (genistein) by well-tuned solvent exchange method. Int J Biol Macromol 2020; 159:1031-1047. [PMID: 32439450 DOI: 10.1016/j.ijbiomac.2020.05.124] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 05/15/2020] [Accepted: 05/15/2020] [Indexed: 11/21/2022]
Abstract
The present research was concerned with preparation of mesoporous starch (MPS) as a carrier for genistein, a model of poorly water-soluble phytoestrogen isoflavone; and exploration of the impact of different fabrication parameters on structural and loading properties. MPS is considered as a highly porous biomaterial which typically possesses nanometer-sized porous microstructure and low density, providing a large effective specific surface area (SSA) and hydrophilic surface to improve solubility, stability and bioavailability of poorly water-soluble active agents. To fabricate MPS, various concentrations (8-14% w/v) of starch from different sources (corn, potato and tapioca) was used for gel formation and the successive solvent exchange process was performed with use of various ethanol concentrations (40-70% v/v), which were then dried by different techniques (rotary vacuum evaporation, microwave and freeze drying). MPS quality attributes such as SSA, total porous volume, BJH pore diameter and swelling ratio were determined and effects of the fabrication parameters were investigated using L9-Taguchi orthogonal array design. The results indicate that second order polynomial regression models were well fitted for all response variables. Interestingly, the starch components greatly influenced physical properties of MPS. Also, the drying type and ethanol concentration altered significantly the model equations. The overall best fabrication condition (14% corn starch, 100% ethanol concentration in aging step and rotary vacuum drying) resulted in favorable MPS preparation with mean size of 105.4 nm and unimodal distribution. In the next step, genistein was encapsulated in MPS microstructure at different ratios, resulting in high loading capacity and efficiency (44.71% and 79.9%, respectively) at 1:1 weight ratio. Equilibrium adsorption isotherm of genistein was evaluated also by four different kinetics models including Langmuir, Freundlich, Dubinin-Radushkevich, and Temkin isotherms. The experimental data were found to be fitted well to the Langmuir model (R2 = 0.989). According to the electron microscopy and XRD analysis, the degree of genistein crystallinity lowered remarkably after the impregnation in to MPS, indicating improved solubility. In-vitro release profile of genistein from MPS in the simulated gastrointestinal buffer solutions (pH 1.2 and 6.8) demonstrated that incorporating genistein into the MPS enhanced the dissolution rate compared with genistein powder. Release kinetic data were fitted to the Higuchi model (R2 = 0.98), indicating diffusion-controlled release mechanism. Altogether, well-tuned MPS fabrication method can be utilized for an efficient encapsulation and dissolution enhancement of poorly soluble phytochemicals, such as genistein.
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Affiliation(s)
- Marjan Soleimanpour
- Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Ali Mohammad Tamaddon
- Department of Pharmaceutical Nanotechnology, School of Pharmacy and Center for Nanotechnology in Drug Delivery, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Mahdi Kadivar
- Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Samira Sadat Abolmaali
- Department of Pharmaceutical Nanotechnology, School of Pharmacy and Center for Nanotechnology in Drug Delivery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hajar Shekarchizadeh
- Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran
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Saito H, Toyoda Y, Hirata H, Ota-Kontani A, Tsuchiya Y, Takada T, Suzuki H. Soy Isoflavone Genistein Inhibits an Axillary Osmidrosis Risk Factor ABCC11: In Vitro Screening and Fractional Approach for ABCC11-Inhibitory Activities in Plant Extracts and Dietary Flavonoids. Nutrients 2020; 12:E2452. [PMID: 32824087 PMCID: PMC7468911 DOI: 10.3390/nu12082452] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/06/2020] [Accepted: 08/12/2020] [Indexed: 11/16/2022] Open
Abstract
Axillary osmidrosis (AO) is a common chronic skin condition characterized by unpleasant body odors emanating from the armpits, and its aetiology is not fully understood. AO can seriously impair the psychosocial well-being of the affected individuals; however, no causal therapy has been established for it other than surgical treatment. Recent studies have revealed that human ATP-binding cassette transporter C11 (ABCC11) is an AO risk factor when it is expressed in the axillary apocrine glands-the sources of the offensive odors. Hence, identifying safe ways to inhibit ABCC11 may offer a breakthrough in treating AO. We herein screened for ABCC11-inhibitory activities in 34 natural products derived from plants cultivated for human consumption using an in vitro assay system to measure the ABCC11-mediated transport of radiolabeled dehydroepiandrosterone sulfate (DHEA-S-an ABCC11 substrate). The water extract of soybean (Glycine max) was found to exhibit the strongest transport inhibition. From this extract, via a fractionation approach, we successfully isolated and identified genistein, a soy isoflavone, as a novel ABCC11 inhibitor with a half-maximal inhibitory concentration value of 61.5 μM. Furthermore, we examined the effects of other dietary flavonoids on the ABCC11-mediated DHEA-S transport to uncover the effects of these phytochemicals on ABCC11 function. While further human studies are needed, our findings here about the natural compounds will help develop a non-surgical therapy for AO.
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Affiliation(s)
- Hiroki Saito
- Frontier Laboratories for Value Creation, Sapporo Holdings Ltd., 10 Okatome, Yaizu, Shizuoka 425-0013, Japan; (H.S.); (H.H.); (A.O.-K.); (Y.T.)
- Department of Pharmacy, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan; (T.T.); (H.S.)
| | - Yu Toyoda
- Department of Pharmacy, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan; (T.T.); (H.S.)
| | - Hiroshi Hirata
- Frontier Laboratories for Value Creation, Sapporo Holdings Ltd., 10 Okatome, Yaizu, Shizuoka 425-0013, Japan; (H.S.); (H.H.); (A.O.-K.); (Y.T.)
| | - Ami Ota-Kontani
- Frontier Laboratories for Value Creation, Sapporo Holdings Ltd., 10 Okatome, Yaizu, Shizuoka 425-0013, Japan; (H.S.); (H.H.); (A.O.-K.); (Y.T.)
| | - Youichi Tsuchiya
- Frontier Laboratories for Value Creation, Sapporo Holdings Ltd., 10 Okatome, Yaizu, Shizuoka 425-0013, Japan; (H.S.); (H.H.); (A.O.-K.); (Y.T.)
| | - Tappei Takada
- Department of Pharmacy, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan; (T.T.); (H.S.)
| | - Hiroshi Suzuki
- Department of Pharmacy, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan; (T.T.); (H.S.)
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Mercer KE, Bhattacharyya S, Sharma N, Chaudhury M, Lin H, Yeruva L, Ronis MJ. Infant Formula Feeding Changes the Proliferative Status in Piglet Neonatal Mammary Glands Independently of Estrogen Signaling. J Nutr 2020; 150:730-738. [PMID: 31687754 PMCID: PMC7138673 DOI: 10.1093/jn/nxz273] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 10/08/2019] [Accepted: 10/10/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Soy infant formula contains isoflavones, which are able to bind to and activate estrogen receptor (ER) pathways. The mammary gland is sensitive to estrogens, raising concern that the use of soy formulas may promote premature development. OBJECTIVE We aimed to determine if soy formula feeding increases mammary gland proliferation and differentiation in comparison to other infant postnatal diets. METHODS White-Dutch Landrace piglets aged 2 d received either sow milk (Sow), or were provided milk formula (Milk), soy formula (Soy), milk formula supplemented with 17-beta-estradiol (2 mg/(kg·d); M + E2), or milk formula supplemented with genistein (84 mg/L of diet; M + G) until day 21. Mammary gland proliferation and differentiation was assessed by histology, and real-time RT-PCR confirmation of differentially expressed genes identified by microarray analysis. RESULTS Mammary terminal end bud numbers were 19-31% greater in the Milk, Soy, and M + G groups relative to the Sow and M + E2, P <0.05. Microarray analysis identified differentially expressed genes between each formula-fed group relative to the Sow (±1.7-fold, P <0.05). Real-time RT-PCR confirmed 2- to 4-fold increases in mRNA transcripts of genes involved in cell proliferation, insulin-like growth factor 1 (IGF1), fibroblast growth factor 10 (FGF10), and fibroblast growth factor 18 (FGF18), in all groups relative to the Sow, P <0.05. In contrast, genes involved in cell differentiation and ductal morphogenesis, angiotensin II receptor type 2 (AGTR2), microtubule associated protein 1b (MAP1B), and kinesin family member 26b (KIF26B), were significantly upregulated by 2-, 4-, and 13-fold, respectively, in the M + E2 group. Additionally, mRNA expression of ER-specific gene targets, progesterone receptor (PGR), was increased by 12-fold, and amphiregulin (AREG) and Ras-like estrogen regulated growth inhibitor (RERG) expression by 1.5-fold in the M + E2 group, P <0.05. In the soy and M + G groups, mRNA expressions of fatty acid synthesis genes were increased 2- to 4-fold. CONCLUSIONS Our data indicate soy formula feeding does not promote ER-signaling in the piglet mammary gland. Infant formula feeding (milk- or soy-based) may initiate proliferative pathways independently of estrogenic signaling.
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Affiliation(s)
- Kelly E Mercer
- Arkansas Children's Nutrition Center, Little Rock, AR, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Sudeepa Bhattacharyya
- Department of Biomedical Informatics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Neha Sharma
- Arkansas Children's Nutrition Center, Little Rock, AR, USA
| | | | - Haixia Lin
- Arkansas Children's Nutrition Center, Little Rock, AR, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Laxmi Yeruva
- Arkansas Children's Nutrition Center, Little Rock, AR, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Martin J Ronis
- Department of Pharmacology & Experimental Therapeutics, Louisiana State University Health Sciences Center, New Orleans, LA, USA
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Guevara-Cruz M, Godinez-Salas ET, Sanchez-Tapia M, Torres-Villalobos G, Pichardo-Ontiveros E, Guizar-Heredia R, Arteaga-Sanchez L, Gamba G, Mojica-Espinosa R, Schcolnik-Cabrera A, Granados O, López-Barradas A, Vargas-Castillo A, Torre-Villalvazo I, Noriega LG, Torres N, Tovar AR. Genistein stimulates insulin sensitivity through gut microbiota reshaping and skeletal muscle AMPK activation in obese subjects. BMJ Open Diabetes Res Care 2020; 8:8/1/e000948. [PMID: 32152146 PMCID: PMC7064085 DOI: 10.1136/bmjdrc-2019-000948] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/26/2019] [Accepted: 12/20/2019] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE Obesity is associated with metabolic abnormalities, including insulin resistance and dyslipidemias. Previous studies demonstrated that genistein intake modifies the gut microbiota in mice by selectively increasing Akkermansia muciniphila, leading to reduction of metabolic endotoxemia and insulin sensitivity. However, it is not known whether the consumption of genistein in humans with obesity could modify the gut microbiota reducing the metabolic endotoxemia and insulin sensitivity. RESEARCH DESIGN AND METHODS 45 participants with a Homeostatic Model Assessment (HOMA) index greater than 2.5 and body mass indices of ≥30 and≤40 kg/m2 were studied. Patients were randomly distributed to consume (1) placebo treatment or (2) genistein capsules (50 mg/day) for 2 months. Blood samples were taken to evaluate glucose concentration, lipid profile and serum insulin. Insulin resistance was determined by means of the HOMA for insulin resistance (HOMA-IR) index and by an oral glucose tolerance test. After 2 months, the same variables were assessed including a serum metabolomic analysis, gut microbiota, and a skeletal muscle biopsy was obtained to study the gene expression of fatty acid oxidation. RESULTS In the present study, we show that the consumption of genistein for 2 months reduced insulin resistance in subjects with obesity, accompanied by a modification of the gut microbiota taxonomy, particularly by an increase in the Verrucomicrobia phylum. In addition, subjects showed a reduction in metabolic endotoxemia and an increase in 5'-adenosine monophosphate-activated protein kinase phosphorylation and expression of genes involved in fatty acid oxidation in skeletal muscle. As a result, there was an increase in circulating metabolites of β-oxidation and ω-oxidation, acyl-carnitines and ketone bodies. CONCLUSIONS Change in the gut microbiota was accompanied by an improvement in insulin resistance and an increase in skeletal muscle fatty acid oxidation. Therefore, genistein could be used as a part of dietary strategies to control the abnormalities associated with obesity, particularly insulin resistance; however, long-term studies are needed.
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Affiliation(s)
- Martha Guevara-Cruz
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Einar T Godinez-Salas
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Monica Sanchez-Tapia
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | | | - Edgar Pichardo-Ontiveros
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Rocio Guizar-Heredia
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Liliana Arteaga-Sanchez
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Gerardo Gamba
- Nefrología, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | | | | | - Omar Granados
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Adriana López-Barradas
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Ariana Vargas-Castillo
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Ivan Torre-Villalvazo
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Lilia G Noriega
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Nimbe Torres
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
| | - Armando R Tovar
- Fisiologia de la Nutricion, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico
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12
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Wang Y, Hernandez G, Mack WJ, Schneider LS, Yin F, Brinton RD. Retrospective analysis of phytoSERM for management of menopause-associated vasomotor symptoms and cognitive decline: a pilot study on pharmacogenomic effects of mitochondrial haplogroup and APOE genotype on therapeutic efficacy. Menopause 2020; 27:57-65. [PMID: 31567873 PMCID: PMC7100617 DOI: 10.1097/gme.0000000000001418] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE PhytoSERM is a selective estrogen receptor beta (ERβ) modulator comprised of three phytoestrogens: genistein, daidzein, and S-equol. The PhytoSERM formulation promotes estrogenic action in the brain while largely inactive or inhibitory in reproductive tissue. A phase Ib/IIa clinical trial (ClinicalTrial.gov ID: NCT01723917) of PhytoSERM demonstrated safety and pharmacokinetics profile of PhytoSERM. While this study was not powered for efficacy analysis, we conducted a pilot, retrospective analysis to identify potential responders to PhytoSERM treatment, and to determine the optimal populations to pursue in a phase II clinical trial of efficacy of the PhytoSERM formulation. METHODS In this retrospective analysis involving 46 participants (n = 16, placebo; n = 18, 50 mg/d PhytoSERM; and n = 12, 100 mg/d PhytoSERM), the therapeutic effect of PhytoSERM was stratified by 2 genetic risk modulators for Alzheimer's disease: mitochondrial haplogroup and APOE genotype. RESULTS Our retrospective responder analysis indicated that participants on 50 mg of daily PhytoSERM (PS50) for 12 weeks significantly reduced hot flash frequency compared with their baseline (mean [95% CI])-1.61, [-2.79, -0.42], P = 0.007). Participants on 50 mg of PhytoSERM also had significantly greater reduction in hot flash frequency at 12 weeks compared with the placebo group (-1.38, -0.17 [median PS50, median placebo], P = 0.04). Fifty milligrams of daily PhytoSERM also preserved cognitive function in certain aspects of verbal learning and executive function. Our analysis further suggests that mitochondrial haplogroup and APOE genotype can modify PhytoSERM response. CONCLUSION Our data support a precision medicine approach for further development of PhytoSERM as a safe and effective alternative to hormone therapy for menopause-associated hot flash and cognitive decline. While definitive determination of PhytoSERM efficacy is limited by the small sample size, these data provide a reasonable rationale to extend analyses to a larger study set powered to address statistical significance.
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Affiliation(s)
- Yiwei Wang
- School of Pharmacy, University of Southern California, Los Angeles, CA
- Center for Innovation in Brain Science and Department of Pharmacology, University of Arizona, Tucson, AZ
| | - Gerson Hernandez
- School of Pharmacy, University of Southern California, Los Angeles, CA
- Center for Innovation in Brain Science and Department of Pharmacology, University of Arizona, Tucson, AZ
| | - Wendy J Mack
- Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - Lon S Schneider
- Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - Fei Yin
- School of Pharmacy, University of Southern California, Los Angeles, CA
- Center for Innovation in Brain Science and Department of Pharmacology, University of Arizona, Tucson, AZ
| | - Roberta D Brinton
- School of Pharmacy, University of Southern California, Los Angeles, CA
- Center for Innovation in Brain Science and Department of Pharmacology, University of Arizona, Tucson, AZ
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13
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Sadeghalvad M, Mohammadi-Motlagh HR, Karaji AG, Mostafaie A. In vivo anti-inflammatory efficacy of the combined Bowman-Birk trypsin inhibitor and genistein isoflavone, two biological compounds from soybean. J Biochem Mol Toxicol 2019; 33:e22406. [PMID: 31593353 DOI: 10.1002/jbt.22406] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 09/08/2019] [Accepted: 09/20/2019] [Indexed: 01/31/2023]
Abstract
Soybean Bowman-Birk protease inhibitor (BBI) and genistein, two biological compounds from soybean, are well-known for their anti-inflammatory, antioxidant, and anticancer activities. The aim of this study was designing a BBI-genistein conjugate and then investigating its protective effect on lipopolysaccharide (LPS)-induced inflammation in BALB/c mice, compared with the effects of combination of BBI and genistein. BBI was purified from soybean and the BBI-genistein conjugate was synthesized. The BALB/c mice were intraperitoneally treated 2 hours before LPS induction. Our results showed that treatment with the combination of BBI and genistein greatly led to more reduced serum levels of tumor necrosis factor (TNF)-α and interferon (IFN)-γ compared with the treatments of BBI alone, the BBI-genistein conjugate, and genistein alone, respectively. Moreover, the expression of TNF-α and IFN-γ in the splenocytes was significantly downregulated along with improving host survival against the LPS-induced lethal endotoxemia in the same way. Our data support a new combined therapy using BBI and genistein, as natural anti-inflammatory agents, to develop a new drug for inflammatory diseases.
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Affiliation(s)
- Mona Sadeghalvad
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Ali Gorgin Karaji
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ali Mostafaie
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Abstract
CONTEXT We identified an active prenylated derivative of genistein, 8-prenylgenistein (8PG) from Erythrina variegata L. (Leguminosae) and found that 8PG increased osteoprotective effects of genistein in oestrogen-deficient mice. OBJECTIVE This study investigated and compared the oestrogenic effects of genistein and 8PG on uterus and vagina of immature mice. MATERIALS AND METHODS Immature female CD-1 mice were orally treated with vehicle (Control, n = 10) or genistein (75 mg/kg, n = 10) or 8PG with low (8PG-L, 75 mg/kg, n = 10) and high dose (8PG-H, 150 mg/kg, n = 10) for 7 consecutive days by intragastric gavage. The uterus and vagina were harvested for histological and molecular measurements. RESULTS Treatment with genistein and 8PG-H significantly increased uterus index (1.98 ± 0.21 & 1.49 ± 0.16 mg/g) and vagina index (3.83 ± 0.11 & 3.13 ± 0.25 mg/g) as compared to untreated control (uterus, 1.12 ± 0.13 mg/g; vagina, 2.32 ± 0.18 mg/g). Accordingly, both genistein and 8PG-H made vaginal cells keratinized and induced uterine and vaginal hypertrophy associated with the endometrial proliferation. 8PG-L did not affect oestrus cycle and histology of uterus and vagina. Treatment of immature mice with genistein or 8PG-H upregulated protein expression of oestrogen receptor-α (ER-α) and proliferating cell nuclear antigen (PCNA), but 8PG-L did not alter ER-α and PCNA expression in uterus and vagina. CONCLUSION This study indicated that 8-prenylgenistein exerted oestrogenic effects in immature female mice. The efficacy and safety of 8-prenylgenistein when applied in improving oestrogen deficiency-induced syndrome requires further elucidation.
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Affiliation(s)
- Xiao-Li Li
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, P. R. China
| | - Li Sui
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, P. R. China
| | - Fu-Hui Lin
- Department of Orthopaedic, Shenzhen Pingle Orthopaedic Hospital, Shenzhen, P. R. China
| | - Yin Lian
- Department of Orthopaedic, Shenzhen Pingle Orthopaedic Hospital, Shenzhen, P. R. China
| | - Lian-Zhong Ai
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, P. R. China
| | - Yan Zhang
- Spine Disease Research Institute, Longhua Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
- Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai, P. R. China
- CONTACT Yan Zhang Spine Disease Research Institute, Longhua Hospital, Affiliated to Shanghai University of Traditional Chinese Medicine, Room 908, Building #12, 725 South Wanping Road, Shanghai200032, China
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15
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Donovan MG, Selmin OI, Doetschman TC, Romagnolo DF. Epigenetic Activation of BRCA1 by Genistein In Vivo and Triple Negative Breast Cancer Cells Linked to Antagonism toward Aryl Hydrocarbon Receptor. Nutrients 2019; 11:nu11112559. [PMID: 31652854 PMCID: PMC6893467 DOI: 10.3390/nu11112559] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/16/2019] [Accepted: 10/17/2019] [Indexed: 12/24/2022] Open
Abstract
Triple negative breast cancers (TNBC) are the most aggressive and lethal breast cancers (BC). The aryl hydrocarbon receptor (AHR) is often overexpressed in TNBC, and its activation results in the epigenetic silencing of BRCA1, which is a necessary factor for the transcriptional activation of estrogen receptor (ER)α. The dietary isoflavone genistein (GEN) modulates BRCA1 CpG methylation in BC cells. The purpose of this study was to investigate the effect of GEN on BRCA1 epigenetic regulation and AHR activity in vivo and TNBC cells. Mice were administered a control or GEN-enriched (4 and 10 ppm) diet from gestation through post-natal day 50. Mammary tissue was analyzed for changes in BRCA1 regulation and AhR activity. TNBC cells with constitutively hypermethylated BRCA1 (HCC38) and MCF7 cells were used. Protein levels and mRNA expression were measured by Western blot and real-time PCR, respectively. BRCA1 promoter occupancy and CpG methylation were analyzed by chromatin immunoprecipitation and methylation-specific PCR, respectively. Cell viability was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. GEN administered in the diet dose-dependently decreased basal Brca1 methylation and AHR activity in the mammary gland of adult mice. HCC38 cells were found to overexpress constitutively active AHR in parallel with BRCA1 hypermethylation. The treatment of HCC38 cells with GEN upregulated BRCA1 protein levels, which was attributable to decreased CpG methylation and AHR binding at BRCA1 exon 1a. In MCF7 cells, GEN prevented the 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-dependent localization of AHR at the BRCA1 gene. These effects were consistent with those elicited by control AHR antagonists galangin (GAL), CH-223191, and α-naphthoflavone. The pre-treatment with GEN sensitized HCC38 cells to the antiproliferative effects of 4-hydroxytamoxifen. We conclude that the dietary compound GEN may be effective for the prevention and reversal of AHR-dependent BRCA1 hypermethylation, and the restoration of ERα-mediated response, thus imparting the sensitivity of TNBC to antiestrogen therapy.
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Affiliation(s)
- Micah G Donovan
- Cancer Biology Graduate Interdisciplinary Program, The University of Arizona, Tucson, AZ 85724, USA.
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ 85724, USA.
| | - Ornella I Selmin
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ 85724, USA.
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ 85721, USA.
| | - Thomas C Doetschman
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ 85724, USA.
- Department of Cellular and Molecular Medicine, The University of Arizona, Tucson, AZ 85724, USA.
| | - Donato F Romagnolo
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ 85724, USA.
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ 85721, USA.
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16
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Schneider LS, Hernandez G, Zhao L, Franke AA, Chen YL, Pawluczyk S, Mack WJ, Brinton RD. Safety and feasibility of estrogen receptor-β targeted phytoSERM formulation for menopausal symptoms: phase 1b/2a randomized clinical trial. Menopause 2019; 26:874-884. [PMID: 30889096 PMCID: PMC6663614 DOI: 10.1097/gme.0000000000001325] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE PhytoSERM is a formulation of genistein, daidzein, and S-equol that has an 83-fold selective affinity for estrogen receptor-β (ERβ); and may enhance neuron function and estrogenic mechanisms in the brain without having peripheral estrogenic activity. METHODS We conducted an overarching, two-stage, dose-ranging, double-blinded, randomized, placebo-controlled trial of 12 weeks duration comparing 50 and 100 mg/d of phytoSERM with placebo for noncognitively impaired, perimenopausal women aged 45 to 60, with intact uteri and ovaries, with at least one cognitive complaint, and one vasomotor-related symptom. Primary objectives were to assess safety and tolerability of a 50 and 100 mg daily dose; and, secondly, to evaluate potential indicators of efficacy on cognition and vasomotor symptoms over 4 and 12 weeks, and using an embedded, 4-week, 2-period, placebo-controlled crossover trial for a subset of participants. RESULTS Seventy-one women were randomized to treatment; 70 were evaluated at 4 weeks; 12 were entered into the crossover study; 5 did not complete 12 weeks. Reasons for discontinuation were withdrawal of consent (n = 1) and lost to follow-up (n = 4). Adverse events occurred in 16.7% (n = 4) placebo, 39.1% (n = 9) 50 mg/d, and 29.2% (n = 7) 100 mg/d treated participants; 85% were mild and none was severe. Vaginal bleeding occurred in 0, placebo; 1, 50 mg; and 3, 100 mg/d participants. CONCLUSIONS The phytoSERM formulation was well tolerated at 50 and 100 mg daily doses. Based on safety outcomes, vaginal bleeding at the 100 mg dose, and vasomotor symptoms and cognitive outcomes at 12 weeks, a daily dose of 50 mg was considered preferable for a phase 2 efficacy trial.
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Affiliation(s)
- Lon S. Schneider
- Keck School of Medicine of the University of Southern California, Los Angeles, CA
| | | | - Liqin Zhao
- School of Pharmacy, University of Kansas, Lawrence, KS
| | | | - Yu-Ling Chen
- Keck School of Medicine of the University of Southern California, Los Angeles, CA
| | - Sonia Pawluczyk
- Keck School of Medicine of the University of Southern California, Los Angeles, CA
| | - Wendy J. Mack
- Keck School of Medicine of the University of Southern California, Los Angeles, CA
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Abstract
It is thought that germ cells and preimplantation embryos during development are most susceptible to endogenous and exogenous environmental factors because the epigenome in those cells is undergoing dramatic elimination and reconstruction. Exposure to environmental factors such as nutrition, climate, stress, pathogens, toxins, and even social behavior during gametogenesis and early embryogenesis has been shown to influence disease susceptibility in the offspring. Early-life epigenetic modifications, which determine the expression of genetic information stored in the genome, are viewed as one of the general mechanisms linking prenatal exposure and phenotypic changes later in life. From atmospheric pollution, endocrine-disrupting chemicals to heavy metals, research increasingly suggests that environmental pollutions have already produced significant consequences on human health. Moreover, mounting evidence now links such pollution to relevant modification in the epigenome. The epigenetics diet, referring to a class of bioactive dietary compounds such as isothiocyanates in broccoli, genistein in soybean, resveratrol in grape, epigallocatechin-3-gallate in green tea, and ascorbic acid in fruits, has been shown to modify the epigenome leading to beneficial health outcomes. This review will primarily focus on the causes and consequences of prenatal environment pollution exposure on the epigenome, and the potential protective role of the epigenetics diet, which could play a central role in neutralizing epigenomic aberrations against environmental pollutions.
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Affiliation(s)
- Shizhao Li
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Min Chen
- Department of Pharmacology and Toxicology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Yuanyuan Li
- Department of Pharmacology and Toxicology, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA.
- Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Trygve O Tollefsbol
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA.
- Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Center for Healthy Aging, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Diabetes Center, University of Alabama at Birmingham, Birmingham, AL, USA.
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18
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Torno C, Staats S, Fickler A, de Pascual-Teresa S, Soledad Izquierdo M, Rimbach G, Schulz C. Combined effects of nutritional, biochemical and environmental stimuli on growth performance and fatty acid composition of gilthead sea bream (Sparus aurata). PLoS One 2019; 14:e0216611. [PMID: 31086380 PMCID: PMC6516738 DOI: 10.1371/journal.pone.0216611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 04/24/2019] [Indexed: 01/06/2023] Open
Abstract
The reliance of the aquafeed industry on marine resources has to be reduced by innovative approaches in fish nutrition. Thus, a three-factorial approach (fish oil reduced diet, phytochemical genistein, and temperature reduction) was chosen to investigate the interaction of effects on growth performance and tissue omega-3 long chain polyunsaturated fatty acid (LC-PUFA) levels in juvenile sea bream (Sparus aurata, 12.5 ± 2.2 g). Genistein is a phytoestrogen with estrogen-like activity and thus LC-PUFA increasing potential. A decrease in the rearing temperature was chosen based on the positive effects of low temperature on fish lipid quality. The experimental diets were reduced in marine ingredients and had a fish oil content of either 6% dry matter (DM; F6: positive control) or 2% DM (F2: negative control) and were administered in the plain variant or with inclusion of 0.15% DM genistein (F6 + G and F2 + G). The feeding trial was performed simultaneously at 23°C and 19°C. The results indicated that solely temperature had a significant effect on growth performance and whole body nutrient composition of sea bream. Nevertheless, the interaction of all three factors significantly affected the fatty acid compositions of liver and fillet tissue. Most importantly, they led to a significant increase by 4.3% of fillet LC-PUFA content in sea bream fed with the diet F6 + G in comparison to control fish fed diet F6, when both groups were held at 19°C. It is hypothesized that genistein can act via estrogen-like as well as other mechanisms and that the dietary LC-PUFA content may impact its mode of action. Temperature most likely exhibited its effects indirectly via altered growth rates and metabolism. Although effects of all three factors and of genistein in particular were only marginal, they highlight a possibility to utilize the genetic capacity of sea bream to improve tissue lipid quality.
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Affiliation(s)
- Claudia Torno
- GMA—Gesellschaft für Marine Aquakultur mbH, Büsum, Germany
- Marine Aquaculture Research Group, Institute of Animal Breeding and Husbandry, Faculty of Agricultural and Nutritional Sciences, University of Kiel, Kiel, Germany
- * E-mail:
| | - Stefanie Staats
- Food Science Research Group, Institute of Human Nutrition and Food Science, Faculty of Agricultural and Nutritional Sciences, University of Kiel, Kiel, Germany
| | - Anna Fickler
- GMA—Gesellschaft für Marine Aquakultur mbH, Büsum, Germany
- Marine Aquaculture Research Group, Institute of Animal Breeding and Husbandry, Faculty of Agricultural and Nutritional Sciences, University of Kiel, Kiel, Germany
| | - Sonia de Pascual-Teresa
- Department of Metabolism and Nutrition, Institute of Food Science, Food Technology and Nutrition (ICTAN–CSIC), Madrid, Spain
| | - María Soledad Izquierdo
- Grupo de Investigación en Acuicultura (GIA), Instituto Universitario Ecoaqua, Universidad de Las Palmas de Gran Canaria, Telde, Las Palmas, Canary Islands, Spain
| | - Gerald Rimbach
- Food Science Research Group, Institute of Human Nutrition and Food Science, Faculty of Agricultural and Nutritional Sciences, University of Kiel, Kiel, Germany
| | - Carsten Schulz
- GMA—Gesellschaft für Marine Aquakultur mbH, Büsum, Germany
- Marine Aquaculture Research Group, Institute of Animal Breeding and Husbandry, Faculty of Agricultural and Nutritional Sciences, University of Kiel, Kiel, Germany
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Braxas H, Rafraf M, Karimi Hasanabad S, Asghari Jafarabadi M. Effectiveness of Genistein Supplementation on Metabolic Factors and Antioxidant Status in Postmenopausal Women With Type 2 Diabetes Mellitus. Can J Diabetes 2019; 43:490-497. [PMID: 31307913 DOI: 10.1016/j.jcjd.2019.04.007] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 03/14/2019] [Accepted: 04/12/2019] [Indexed: 01/22/2023]
Abstract
OBJECTIVES The risk of type 2 diabetes mellitus (T2DM) increases in women after menopause. Genistein is known to modulate metabolic pathways. The aim of this study was to investigate the effects of genistein supplementation on metabolic parameters, oxidative stress and obesity values in postmenopausal women with T2DM. METHODS This randomized, double-blind, placebo-controlled clinical trial was conducted on 54 postmenopausal women 47 to 69 years of age with T2DM. The genistein group (n=28) was given 2 genistein capsules daily for 12 weeks. Each capsule contained 54 mg genistein. The placebo group (n=26) received 2 placebo capsules daily for the same period. Fasting blood samples, anthropometric measurements, dietary intakes and physical activity levels of subjects were collected at baseline and at the end of the trial. Data were analyzed by independent t test, paired t test and analysis of covariance. RESULTS Genistein supplementation significantly reduced serum levels of fasting blood glucose (FBS), glycated hemoglobin (A1C), serum triglyceride (TG) and malondialdehyde (MDA) and increased total antioxidant capacity (TAC) compared with the placebo group at the end of the study (p<0.05 for all). Serum high-density lipoprotein cholesterol and quantitative insulin sensitivity check index significantly increased within the genistein group. Changes in anthropometric indexes and other variables were not significant in any of the groups. CONCLUSIONS Genistein administration improved FBS, A1C, serum TG, TAC and MDA in postmenopausal women with T2DM and may be useful in the control of metabolic status and oxidative stress in these subjects.
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Affiliation(s)
- Hassan Braxas
- Department of Community Nutrition, Faculty of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Rafraf
- Nutrition Research Center, Department of Community Nutrition, Faculty of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Saadat Karimi Hasanabad
- Department of Community Nutrition, Faculty of Nutrition and Food Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Asghari Jafarabadi
- Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Statistics and Epidemiology, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran
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20
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Landauer MR, Harvey AJ, Kaytor MD, Day RM. Mechanism and therapeutic window of a genistein nanosuspension to protect against hematopoietic-acute radiation syndrome. J Radiat Res 2019; 60:308-317. [PMID: 31038675 PMCID: PMC6530628 DOI: 10.1093/jrr/rrz014] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 03/08/2019] [Indexed: 05/17/2023]
Abstract
There are no FDA-approved drugs that can be administered prior to ionizing radiation exposure to prevent hematopoietic-acute radiation syndrome (H-ARS). A suspension of synthetic genistein nanoparticles was previously shown to be an effective radioprotectant against H-ARS when administered prior to exposure to a lethal dose of total body radiation. Here we aimed to determine the time to protection and the duration of protection when the genistein nanosuspension was administered by intramuscular injection, and we also investigated the drug's mechanism of action. A single intramuscular injection of the genistein nanosuspension was an effective radioprotectant when given prophylactically 48 h to 12 h before irradiation, with maximum effectiveness occurring when administered 24 h before. No survival advantage was observed in animals administered only a single dose of drug after irradiation. The dose reduction factor of the genistein nanosuspension was determined by comparing the survival of treated and untreated animals following different doses of total body irradiation. As genistein is a selective estrogen receptor beta agonist, we also explored whether this was a central component of its radioprotective mechanism of action. Mice that received an intramuscular injection of an estrogen receptor antagonist (ICI 182,780) prior to administration of the genistein nanosuspension had significantly lower survival following total body irradiation compared with animals only receiving the nanosuspension (P < 0.01). These data define the time to and duration of radioprotection following a single intramuscular injection of the genistein nanosuspension and identify its likely mechanism of action.
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Affiliation(s)
- Michael R Landauer
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, 4555 South Palmer Road, Building 42, Bethesda, MD, USA
| | - Adam J Harvey
- Humanetics Corporation, 7650 Edinborough Way, Suite 620, Edina, MN, USA
| | - Michael D Kaytor
- Humanetics Corporation, 7650 Edinborough Way, Suite 620, Edina, MN, USA
| | - Regina M Day
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Building C, Roomm 2023, 4301 Jones Bridge Road, Bethesda, MD, USA
- Corresponding author. Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Building C, Room 2023, 4301 Jones Bridge Road, Bethesda, MD 20814-4799, USA. Tel: +301-295-3236; fax: +301-295-3220;
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Chen C, Zheng H, Qi S. Genistein and Silicon Synergistically Protects Against Ovariectomy-Induced Bone Loss Through Upregulating OPG/RANKL Ratio. Biol Trace Elem Res 2019; 188:441-450. [PMID: 30014283 DOI: 10.1007/s12011-018-1433-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 07/03/2018] [Indexed: 10/28/2022]
Abstract
We have reported that genistein (Gen) and silicon (Si) have synergistic effects on ovariectomy-induced bone loss in rat; however, the potential mechanisms behind this effect were not fully clarified yet. This study was performed to evaluate the bone protective mechanisms of concomitant intake of genistein and silicon in ovariectomized rat by OPG/RANKL axis. Three-month-old Sprague-Dawley female rats were subjected to ovariectomy (OVX) or sham surgery; after surgery, the OVX rats were randomly divided into five groups: OVX-Gen, OVX-Si, OVX-Gen-Si, OVX-E, and OVX. Genistein, silicon, and 17β-estradiol supplementation were started after ovariectomy and continued for 10 weeks. The results showed that genistein and silicon treatment increased the bone mineral density (BMD) of ovariectomized rats. In addition, the BMD of the tibia and femur were highest in the OVX-Gen-Si group compared with OVX-Gen and OVX-Si group (p < 0.05). After 10 weeks treatment with genistein and silicon, the bone structure of ovariectomized rats was recovered, there was no difference of bone histomorphometric parameters between OVX-Gen-Si, OVX-E, and SHAM group (p > 0.05), and there was no difference in the concentration of serum ALP, Ca, P, OPG, and RANKL between OVX-Gen-Si, SHAM, and OVX-E groups (p > 0.05). RT-PCR showed that genistein and silicon treatment could effectively increase the OPG mRNA expression and decreased the RANKL mRNA expression compared to that of the OVX group (p < 0.05), the OPG/RANKL mRNA ratios were significantly decreased in the OVX group (p < 0.05), and it was nearly to normal in the OVX-Gen-Si group. Immunohistochemical staining results showed that genistein and silicon supplementation could effectively increase the protein expression of OPG and decrease the protein expression of RANKL in bone tissues; there were no significant differences in OPG and RANKL positive expression areas between OVX-Gen-Si, SHAM, and OVX-E group (p > 0.05). The results above indicate that genistein and silicon supplementation can effectively reduce RANKL, increase OPG levels, and OPG/RANKL ratios in the serum and bone tissue of ovariectomized rats; this is the main mechanism by which genistein and silicon play a bone protective role in ovariectomized rats.
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Affiliation(s)
- Chen Chen
- Chinese-German Joint Laboratory for Natural Product Research, College of Biological Science and Engineering, Qinling-Bashan Mountains Bioresources Comprehensive Development C.I.C, Shaanxi University of Technology, Chaoyang Road, Hantai District, Hanzhong, 723000, Shaanxi Province, China
| | - Hongxing Zheng
- Chinese-German Joint Laboratory for Natural Product Research, College of Biological Science and Engineering, Qinling-Bashan Mountains Bioresources Comprehensive Development C.I.C, Shaanxi University of Technology, Chaoyang Road, Hantai District, Hanzhong, 723000, Shaanxi Province, China.
| | - Shanshan Qi
- Vitamin D research institute, Shaanxi University of Technology, Chaoyang Road, Hantai District, Hanzhong, 723000, Shaanxi Province, China.
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Zhang H, Gordon R, Li W, Yang X, Pattanayak A, Fowler G, Zhang L, Catalona WJ, Ding Y, Xu L, Huang X, Jovanovic B, Kelly DL, Jiang H, Bergan R. Genistein treatment duration effects biomarkers of cell motility in human prostate. PLoS One 2019; 14:e0214078. [PMID: 30917169 PMCID: PMC6436751 DOI: 10.1371/journal.pone.0214078] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Accepted: 03/06/2019] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Long term dietary consumption of genistein by Chinese men is associated with decreased PCa metastasis and mortality. Short term treatment of US men with prostate cancer (PCa) with genistein decreases MMP-2 in prostate tissue. MEK4 regulates MMP-2 expression, drives PCa metastasis, and genistein inhibits MEK4, decreases MMP-2 expression and dietary dosing inhibits human PCa metastasis in mice. This study examines short- versus long-term treatment effects of genistein in humans and in vitro. METHODS AND FINDINGS US men with localized PCa were treated on a phase II trial with genistein (N = 14) versus not (N = 14) for one month prior to radical prostatectomy. Prostate epithelial cells were removed from fresh frozen tissue by laser capture microdissection, and the expression of 12,000 genes profiled. Genistein significantly altered the expression of four genes, three had established links to cancer cell motility and metastasis. Of these three, one was a non-coding transcript, and the other two were BASP1 and HCF2. Genistein increased BASP1 expression in humans, and its engineered over expression and knockdown demonstrated that it suppressed cell invasion in all six human prostate cell lines examined. Genistein decreased HCF2 expression in humans, and it was shown to increase cell invasion in all cell lines examined. The expression of MMP-2, MEK4 and BASP1 was then measured in formalin fixed prostate tissue from N = 38 Chinese men living in China and N = 41 US men living in the US, both cohorts with localized PCa. MMP-2 was 52% higher in Chinese compared to US tissue (P < 0.0001), MEK4 was 48% lower (P < 0.0001), and BASP1 was unaltered. Treatment of PC3 human PCa cells in vitro for up to 8 weeks demonstrated that short term genistein treatment decreased MMP-2, while long term treatment increased it, both changes being significant (P<0.05) compared to untreated control cells. Long term genistein-treated cells retained their responsiveness to genistein's anti-motility effect. CONCLUSIONS Genistein inhibits pathways in human prostate that drive transformation to a lethal high motility phenotype. Long term treatment induces compensatory changes in biomarkers of efficacy. The current strategy of using such biomarkers after short term intervention as go/no-go determinants in early phase chemoprevention trials should be carefully examined.
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Affiliation(s)
- Hu Zhang
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Urology, Huashan Hospital, Fudan University, Shanghai, China
| | - Ryan Gordon
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Wenqi Li
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Ximing Yang
- Department of Pathology, Northwestern University, Chicago, Illinois, United States of America
| | - Abhinandan Pattanayak
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Graham Fowler
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Limin Zhang
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Urology, Huashan Hospital, Fudan University, Shanghai, China
| | - William J. Catalona
- Department of Urology, Northwestern University, Chicago, Illinois, United States of America
| | - Yongzeng Ding
- Department of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Li Xu
- Department of Gastroenterology, Xiang’an Hospital of Xiamen University, FujianXiamen, China
| | - Xiaoke Huang
- Department of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Borko Jovanovic
- Department of Preventive Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - David L. Kelly
- Fred & Pamela Buffet Cancer Center, University Nebraska Medical Center, Omaha, Nebraska, United States of America
| | - Haowen Jiang
- Department of Urology, Huashan Hospital, Fudan University, Shanghai, China
| | - Raymond Bergan
- Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, United States of America
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Eskra JN, Schlicht MJ, Bosland MC. Lack of combination effects of soy isoflavones and taxane chemotherapy of castration-resistant prostate cancer. Prostate 2019; 79:223-233. [PMID: 30345530 DOI: 10.1002/pros.23727] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 09/26/2018] [Indexed: 01/16/2023]
Abstract
BACKGROUND Patients with cancer, including prostate cancer, often use dietary supplements, such as soy or isoflavones, before, during, or after therapy. There is little information about possible interactions between supplements and cancer chemotherapy. There are some reports suggesting enhancement by genistein of taxane chemotherapy for castrate-resistant prostate cancer (CRPC). METHODS We investigated whether physiologically attainable concentrations of soy isoflavones (≤10 μM) interact with taxanes on growth inhibition of CRPC cells in vitro and in vivo in nude mice exposed via the diet, on microtubule disassembly in vitro, and on P-glycoprotein-mediated drug efflux in 22Rv1 cells and CYP3A4 activity in microsomes. RESULTS Genistein, daidzein, and equol did not affect growth of VCaP, 22Rv1, C4-2, and PC-3 CRPC cells or growth inhibition of these cells by docetaxel and cabazitaxel. These isoflavones did not inhibit microtubule disassembly in vitro or inhibit the microtubule effects of taxanes and genistein did not bind substantially to microtubules. Genistein considerably inhibited P-glycoprotein-mediated drug efflux in 22Rv1 cells and CYP3A4 activity in microsomes. However, dietary supplementation with genistein at 250 and 500 ppm did not affect the tumor growth inhibiting effect of docetaxel on 22Rv1 cells xenografted in nude mice. CONCLUSIONS Our results with relevant cell models and clinically achievable concentrations of soy isoflavones do not support the notion that genistein or other soy isoflavones can enhance the effects of taxane chemotherapy in CRPC cell and xenograft models. Yet, the inhibitory effects of genistein on drug efflux in 22Rv1 cells and on microsomal CYP3A4 activity raise the possibility that genistein can affect taxane effects on CRPC cells in other circumstances than those we studied, which merits further research.
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Affiliation(s)
- Jillian N Eskra
- Department of Pathology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Michael J Schlicht
- Department of Pathology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
| | - Maarten C Bosland
- Department of Pathology, College of Medicine, University of Illinois at Chicago, Chicago, Illinois
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Fickler A, Staats S, Rimbach G, Schulz C. Screening dietary biochanin A, daidzein, equol and genistein for their potential to increase DHA biosynthesis in rainbow trout (Oncorhynchus mykiss). PLoS One 2019; 14:e0210197. [PMID: 30645603 PMCID: PMC6333376 DOI: 10.1371/journal.pone.0210197] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 12/18/2018] [Indexed: 01/25/2023] Open
Abstract
Plant oil utilization in aquafeeds is still the most practical option, although it decreases the content of the nutritionally highly valuable omega-3 fatty acids eicosapentaenoic acid (20:5n-3, EPA) and docosahexaenoic acid (22:6n-3, DHA) in fish. Phytoestrogens and their metabolites are putatively able to affect genes encoding proteins centrally involved in the biosynthesis of EPA and DHA due to their estrogenic potential. Thus, the aim of the study was to screen the potential of the phytoestrogens to stimulate the biosynthesis of EPA and DHA in rainbow trout (Oncorhynchus mykiss). Additionally, the potential effects on growth performance, nutrient composition and hepatic lipid metabolism in rainbow trout were investigated. For that, a vegetable oil based diet served as a control diet (C) and was supplemented with 15 g/kg dry matter of biochanin A (BA), daidzein (DA), genistein (G) and equol (EQ), respectively. These five diets were fed to rainbow trout (initial body weight 83.3 ± 0.4 g) for 52 days. Growth performance and nutrient composition of whole body homogenates were not affected by the dietary treatments. Furthermore, feeding EQ to rainbow trout significantly increased DHA levels by +8% in whole body homogenates compared to samples of fish fed the diet C. A tendency towards increased DHA levels in whole body homogenates was found for fish fed the diet G. Fish fed diets BA and DA lacked these effects. Moreover, EQ and G fed fish showed significantly decreased hepatic mRNA steady state levels for fatty acyl desaturase 2a (delta-6) (fads2a(d6)). In contrast, carnitine palmitoyl transferases 1 (cpt1) hepatic mRNA steady state levels and hepatic Fads2a(d6) protein contents were not affected by the dietary treatment. In conclusion, when combined with dietary vegetable oils, equol and genistein seem to stimulate the biosynthesis of DHA and thereby increase tissue DHA levels in rainbow trout, however, only to a moderate extent.
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Affiliation(s)
- Anna Fickler
- GMA—Gesellschaft für Marine Aquakultur mbH, Büsum, Germany
- Institute of Animal Breeding and Husbandry, Kiel University, Kiel, Germany
- * E-mail:
| | - Stefanie Staats
- Institute of Human Nutrition and Food Science, Kiel University, Kiel, Germany
| | - Gerald Rimbach
- Institute of Human Nutrition and Food Science, Kiel University, Kiel, Germany
| | - Carsten Schulz
- GMA—Gesellschaft für Marine Aquakultur mbH, Büsum, Germany
- Institute of Animal Breeding and Husbandry, Kiel University, Kiel, Germany
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Lu LJW, Chen NW, Nayeem F, Ramanujam VMS, Kuo YF, Brunder DG, Nagamani M, Anderson KE. Novel effects of phytoestrogenic soy isoflavones on serum calcium and chloride in premenopausal women: A 2-year double-blind, randomized, placebo-controlled study. Clin Nutr 2018; 37:1862-1870. [PMID: 29183775 PMCID: PMC5948121 DOI: 10.1016/j.clnu.2017.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 11/03/2017] [Accepted: 11/04/2017] [Indexed: 11/24/2022]
Abstract
BACKGROUND Soy phytoestrogens are potential alternatives to postmenopausal hormone replacement therapy (HRT). Adverse effects of HRT such as myocardial infarction, stroke, and pulmonary embolism are mediated by calcium-induced signaling. OBJECTIVE To determine whether soy isoflavones affect serum calcium in healthy female subjects. DESIGN In a double-blind trial, 197 premenopausal women were randomly assigned to either isoflavone (N = 99) or placebo pills (N = 98) 5 days per week for up to 2 years, plus prenatal vitamins. Isoflavone pills contained 60 mg genistein, 60 mg daidzein and 16.6 mg glycitein (expressed as aglycone equivalents). All pills contained 15 mg riboflavin as an adherence marker. Blood chemistries and urinary daidzein, genistein and riboflavin were measured multiple times during the luteal phase before and during treatment. RESULTS Analysis of the adherent population (N = 83 per group), revealed significantly strong associations between urinary levels of isoflavones and serum concentrations of calcium (regression coefficients 0.082 for daidzein and 0.229 for genistein, all P < 0.01) and chloride (regression coefficient, -1.537 for genistein, P < 0.0001), mediated in part by albumin. The effects amounted to mean changes of +0.24 mg/dL for calcium and -1.45 mEq/L for chloride, with each visit for subjects excreting the most vs. the least amounts of isoflavones. These associations were not evident in the intention-to-treat analysis (N = 197) that did not assess expected variations in isoflavone levels within and between subjects from metabolism and adherence. CONCLUSIONS These novel and strong effects of soy isoflavones on calcium homeostasis have important implications for long term effects of these natural substances on cardiovascular diseases.
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Affiliation(s)
- Lee-Jane W Lu
- Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX, USA.
| | - Nai-Wei Chen
- Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX, USA.
| | - Fatima Nayeem
- Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX, USA.
| | - V-M Sadagopa Ramanujam
- Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX, USA.
| | - Yong-Fang Kuo
- Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX, USA.
| | - Donald G Brunder
- Department of Academic Computing, The University of Texas Medical Branch, Galveston, TX, USA.
| | - Manubai Nagamani
- Departments of Obstetrics and Gynecology, The University of Texas Medical Branch, Galveston, TX, USA.
| | - Karl E Anderson
- Department of Preventive Medicine and Community Health, The University of Texas Medical Branch, Galveston, TX, USA.
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Vanden Braber NL, Novotny Nuñez I, Bohl L, Porporatto C, Nazar FN, Montenegro MA, Correa SG. Soy genistein administered in soluble chitosan microcapsules maintains antioxidant activity and limits intestinal inflammation. J Nutr Biochem 2018; 62:50-58. [PMID: 30245183 DOI: 10.1016/j.jnutbio.2018.08.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 07/29/2018] [Accepted: 08/24/2018] [Indexed: 12/17/2022]
Abstract
We used water-soluble Chitosan obtained by Maillard reaction with glucosamine to microencapsulate soy genistein (Ge) and preserve its biological activity for oral administration. Release of Ge was pH dependent with a super Case II mechanism at pH 1.2 and an anomalous transport with non-Fickian kinetics at pH 6.8. Microencapsulated Ge retained its antioxidant properties in vitro and its daily administration to mice attenuated clinical signs of acute colitis, limited inflammatory reaction and reduced oxidative stress and tissue injury as well. Remarkably, after feeding microencapsulated Ge the production of IL-10 in colonic tissue was restored to levels of untreated controls. According to statistical multivariate analysis, this cytokine was the parameter with the highest influence on the inflammatory/oxidative status. Microencapsulation of Ge with derivatized Chitosan becomes an interesting alternative to develop therapeutic approaches for oxidative inflammatory diseases; our findings suggest that the soy isoflavone could be incorporated into any functional food for application in intestinal inflammation.
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Affiliation(s)
- Noelia L Vanden Braber
- Centro de Investigaciones y Transferencia de Villa María (CITVM-CONICET), Universidad Nacional de Villa María, Villa María, Córdoba, Argentina
| | - Ivanna Novotny Nuñez
- Centro de Investigación en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica-Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Luciana Bohl
- Centro de Investigaciones y Transferencia de Villa María (CITVM-CONICET), Universidad Nacional de Villa María, Villa María, Córdoba, Argentina
| | - Carina Porporatto
- Centro de Investigaciones y Transferencia de Villa María (CITVM-CONICET), Universidad Nacional de Villa María, Villa María, Córdoba, Argentina
| | - F Nicolás Nazar
- Instituto de Investigaciones Biológicas y Tecnológicas (IIByT-CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Mariana A Montenegro
- Centro de Investigaciones y Transferencia de Villa María (CITVM-CONICET), Universidad Nacional de Villa María, Villa María, Córdoba, Argentina
| | - Silvia G Correa
- Centro de Investigación en Bioquímica Clínica e Inmunología (CIBICI-CONICET), Departamento de Bioquímica Clínica-Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina.
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Lord R, Fairbourn N, Mylavarapu C, Dbeis A, Bowman T, Chandrashekar A, Banayat T, Hodges CA, Al-Nakkash L. Consuming Genistein Improves Survival Rates in the Absence of Laxative in ΔF508-CF Female Mice. Nutrients 2018; 10:E1418. [PMID: 30282922 PMCID: PMC6213472 DOI: 10.3390/nu10101418] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 09/11/2018] [Accepted: 09/26/2018] [Indexed: 11/16/2022] Open
Abstract
Genistein is a naturally occurring isoflavone found in soy. Genistein has been shown to increase the open probability of the most common cystic fibrosis (CF) disease-associated mutation, ∆F508-CFTR. Mice homozygous for the ∆F508 mutation are characterized with severe intestinal disease and require constant laxative treatment for survival. This pathology mimics the intestinal obstruction (meconium ileus) seen in some cystic fibrosis patients. This study tested whether dietary supplementation with genistein would reduce the dependence of the ∆F508 CF mouse model on laxatives for survival, thereby improving mortality rates. At weaning (21 days), homozygous ∆F508 mice were maintained on one of three diet regimens for a period of up to 65 days: normal diet, normal diet plus colyte, or genistein diet. Survival rates for males were as follows: standard diet (38%, n = 21), standard diet plus colyte (83%, n = 42) and genistein diet (60%, n = 15). Survival rates for females were as follows: standard diet (47%, n = 19), standard diet plus colyte (71%, n = 38), and genistein diet (87%, n = 15). Average weight of male mice fed genistein diet increased by ~2.5 g more (p = 0.006) compared to those with colyte treatment. Genistein diet did not change final body weight of females. Expression of intestinal SGLT-1 increased 2-fold (p = 0.0005) with genistein diet in females (no change in males, p = 0.722). Expression of GLUT2 and GLUT5 was comparable between all diet groups. Genistein diet reduced the number of goblet cells per micrometer of crypt depth in female (p = 0.0483), yet was without effect in males (p = 0.7267). The results from this study demonstrate that supplementation of diet with genistein for ~45 days increases the survival rate of female ∆F508-CF mice (precluding the requirement for laxatives), and genistein only improves weight gain in males.
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Affiliation(s)
- Ryan Lord
- Department of Physiology, AZCOM, Midwestern University, 19555 N. 59th Avenue, Glendale, AZ 85308, USA.
| | - Nathan Fairbourn
- Department of Physiology, AZCOM, Midwestern University, 19555 N. 59th Avenue, Glendale, AZ 85308, USA.
| | - Charisma Mylavarapu
- Department of Physiology, AZCOM, Midwestern University, 19555 N. 59th Avenue, Glendale, AZ 85308, USA.
| | - Ammer Dbeis
- Department of Physiology, AZCOM, Midwestern University, 19555 N. 59th Avenue, Glendale, AZ 85308, USA.
| | - Taylor Bowman
- Department of Physiology, AZCOM, Midwestern University, 19555 N. 59th Avenue, Glendale, AZ 85308, USA.
| | - Archana Chandrashekar
- Department of Physiology, AZCOM, Midwestern University, 19555 N. 59th Avenue, Glendale, AZ 85308, USA.
| | - Tatum Banayat
- Department of Physiology, AZCOM, Midwestern University, 19555 N. 59th Avenue, Glendale, AZ 85308, USA.
| | - Craig A Hodges
- Department of Genetics & Genome Sciences & Department of Pediatrics, Case Western Reserve University, 10900 Euclid Avenue, 830 BRB, Cleveland, OH 44106, USA.
| | - Layla Al-Nakkash
- Department of Physiology, AZCOM, Midwestern University, 19555 N. 59th Avenue, Glendale, AZ 85308, USA.
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Back PI, Furtado LR, Nemitz MC, Balestrin LA, Fachel FNS, Gomes HM, Schuh RS, Moreira JC, von Poser GL, Teixeira HF. Skin Permeation and Oxidative Protection Effect of Soybean Isoflavones from Topical Nanoemulsions-a Comparative Study of Extracts and Pure Compounds. AAPS PharmSciTech 2018; 19:3029-3039. [PMID: 30084071 DOI: 10.1208/s12249-018-1133-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 07/19/2018] [Indexed: 12/12/2022] Open
Abstract
Soybean isoflavone-rich extracts have been considered as promising skin antiaging products due to their antioxidant activity. This study investigates the effect of soybean isoflavone forms on porcine ear skin permeation/retention from topical nanoemulsions and their potential in protecting skin against oxidative damage caused by UVA/UVB light. Soybean non-hydrolyzed (SNHE) and hydrolyzed (SHE) extracts, mainly composed of genistin and genistein, were produced. Nanoemulsions containing SNHE (NESNHE) and SHE (NESHE) were prepared by spontaneous emulsification procedure and yielded monodispersed nanoemulsions. A delay of isoflavone release was observed after extracts incorporation into nanoemulsions when compared to a propyleneglycol dispersion of pure compounds. An increase of isoflavone skin retention from nanoemulsions was also achieved. However, from extracts, a higher amount of genistin (NESNHE) and a lower amount of genistein (NESHE) were detected in the skin in comparison to pure isoflavones. Finally, the protection of porcine ear skin by formulations against UVA/UVB oxidative stress was evaluated. Extract-loaded nanoemulsions offered better skin protection than pure isoflavones. Skin lipids were similarly protected by NESHE and NESNHE, whereas skin proteins were more protected by NESNHE. Overall, nanoemulsions containing isoflavone-rich soybean extracts may be considered a better topical formulation aiming skin protection from UVA/UVB oxidative damage.
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Affiliation(s)
- Patricia Inês Back
- Departamento de Produção e Controle de Medicamentos, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Porto Alegre, RS, CEP 90610-000, Brazil
| | - Luisa Rodrigues Furtado
- Departamento de Produção e Controle de Medicamentos, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Porto Alegre, RS, CEP 90610-000, Brazil
| | - Marina Cardoso Nemitz
- Curso de Farmácia, Universidade Federal do Rio de Janeiro, Macaé, RJ, 27930-560, Brazil
| | - Lucélia Albarello Balestrin
- Departamento de Produção e Controle de Medicamentos, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Porto Alegre, RS, CEP 90610-000, Brazil
| | - Flávia Nathiely Silveira Fachel
- Departamento de Produção e Controle de Medicamentos, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Porto Alegre, RS, CEP 90610-000, Brazil
| | - Henrique Mautone Gomes
- Departamento de Bioquímica da Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos 2600, Porto Alegre, RS, CEP 90035-003, Brazil
| | - Roselena Silvestri Schuh
- Departamento de Produção e Controle de Medicamentos, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Porto Alegre, RS, CEP 90610-000, Brazil
| | - José Cláudio Moreira
- Departamento de Bioquímica da Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos 2600, Porto Alegre, RS, CEP 90035-003, Brazil
| | - Gilsane Lino von Poser
- Departamento de Produção de Matéria-Prima, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Porto Alegre, RS, CEP 90610-000, Brazil
| | - Helder Ferreira Teixeira
- Departamento de Produção e Controle de Medicamentos, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Porto Alegre, RS, CEP 90610-000, Brazil.
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Zheng W, Hemker ML, Xie M, Soukup ST, Diel P. Anabolic Activity of a Soy Extract and Three Major Isoflavones in C2C12 Myotubes. Planta Med 2018; 84:1022-1029. [PMID: 29649842 DOI: 10.1055/a-0598-4812] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Isoflavones have been reported to stimulate muscle growth. The aim of this in vitro study was to examine anabolic activity and associated molecular mechanisms of a soy extract (SoyEx), isoflavone aglycones, and a mixture simulating the composition of SoyEx in C2C12 myotubes. C2C12 cells were differentiated into myotubes. The effects of SoyEx, genistein, daidzein, glycitein, and the mixture of genistein-daidzein-glycitein (Mix) on myotube diameter and number were determined. In addition, the expression of genes and proteins associated with anabolic activity was analyzed. Treatment with SoyEx, genistein, and Mix led to a significant increase of myotube diameter and an increase of the number of myotubes per area compared to the control cell. The increase of diameter by SoyEx was antagonized by an antiestrogen, not by an antiandrogen. Furthermore, gene expressions of insulin growth factor (IGF)-1 and its receptor (IGF-1R), as well as protein expression of myosin heavy chain (MHC), were significantly increased by SoyEx, genistein, and Mix. The effects induced by genistein and Mix were comparable to SoyEx. In conclusion, SoyEx displays an anabolic activity in C2C12 myotubes by binding to ER and modulating IGF-1 and MHC expression. Our studies with isoflavone aglycones and Mix indicate that the isoflavone aglycone with the highest anabolic bioactivity in SoyEx is genistein.
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Affiliation(s)
- Wenya Zheng
- Institute of Cardiovascular Research and Sports Medicine, Department of Molecular and Cellular Sports Medicine, German Sport University Cologne, Germany
| | - Marie L Hemker
- Institute of Cardiovascular Research and Sports Medicine, Department of Molecular and Cellular Sports Medicine, German Sport University Cologne, Germany
| | - Mingyong Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Sebastian T Soukup
- Department of Safety and Quality of Fruit and Vegetables, Max Rubner-Institut, Karlsruhe, Germany
| | - Patrick Diel
- Institute of Cardiovascular Research and Sports Medicine, Department of Molecular and Cellular Sports Medicine, German Sport University Cologne, Germany
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Fáber L, Kováč I, Mitrengová P, Novotný M, Varinská L, Vasilenko T, Kello M, Čoma M, Kuruc T, Petrová K, Miláčková I, Kuczmannová A, Peržeľová V, Mižáková Š, Dosedla E, Sabol F, Luczy J, Nagy M, Majerník J, Koščo M, Mučaji P, Gál P. Genistein Improves Skin Flap Viability in Rats: A Preliminary In Vivo and In Vitro Investigation. Molecules 2018; 23:molecules23071637. [PMID: 29973576 PMCID: PMC6100613 DOI: 10.3390/molecules23071637] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 06/28/2018] [Accepted: 06/30/2018] [Indexed: 01/27/2023] Open
Abstract
Selective estrogen receptor modulators (SERMs) have been developed to achieve beneficial effects of estrogens while minimizing their side effects. In this context, we decided to evaluate the protective effect of genistein, a natural SERM, on skin flap viability in rats and in a series of in vitro experiments on endothelial cells (migration, proliferation, antioxidant properties, and gene expression profiling following genistein treatment). Our results showed that administration of genistein increased skin flap viability, but importantly, the difference is only significant when treatment is started 3 days prior the flap surgery. Based on our in vitro experiments, it may be hypothesized that the underlying mechanism may rather by mediated by increasing SOD activity and Bcl-2 expression. The gene expression profiling further revealed 9 up-regulated genes (angiogenesis/inflammation promoting: CTGF, CXCL5, IL-6, ITGB3, MMP-14, and VEGF-A; angiogenesis inhibiting: COL18A1, TIMP-2, and TIMP-3). In conclusion, we observed a protective effect of genistein on skin flap viability which could be potentially applied in plastic surgery to women undergoing a reconstructive and/or plastic intervention. Nevertheless, further research is needed to explain the exact underlying mechanism and to find the optimal treatment protocol.
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Affiliation(s)
- Lenka Fáber
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
| | - Ivan Kováč
- Department of Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, 040 11 Košice, Slovak Republic.
- nd Clinic of Surgery, Louis Pasteur University Hospital and Pavol Jozef Šafárik University, 041 90 Košice, Slovak Republic.
| | - Petra Mitrengová
- Department of Pharmacognosy and Botany, Comenius University, Faculty of Pharmacy, 832 32 Bratislava, Slovak Republic.
| | - Martin Novotný
- Department of Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, 040 11 Košice, Slovak Republic.
- Clinic of Infectology and Travel Medicine, Louis Pasteur University Hospital and Pavol Jozef Šafárik University, 041 90 Košice, Slovak Republic.
| | - Lenka Varinská
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
- Department of Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, 040 11 Košice, Slovak Republic.
| | - Tomáš Vasilenko
- Department of Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, 040 11 Košice, Slovak Republic.
- Clinic of Surgery, 1st Private Hospital Košice-Šaca and Pavol Jozef Šafárik University, 040 15 Košice, Slovak Republic.
| | - Martin Kello
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
| | - Matúš Čoma
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
| | - Tomáš Kuruc
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
| | - Klaudia Petrová
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
| | - Ivana Miláčková
- Department of Pharmacognosy and Botany, Comenius University, Faculty of Pharmacy, 832 32 Bratislava, Slovak Republic.
| | - Anika Kuczmannová
- Department of Pharmacognosy and Botany, Comenius University, Faculty of Pharmacy, 832 32 Bratislava, Slovak Republic.
| | - Vlasta Peržeľová
- Department of Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, 040 11 Košice, Slovak Republic.
| | - Štefánia Mižáková
- Clinic of Heart Surgery, East-Slovak Institute of Cardiovascular Diseases and Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
| | - Erik Dosedla
- st Private Hospital Košice-Šaca and Pavol Jozef Šafárik University, 040 15 Košice, Slovak Republic.
| | - František Sabol
- Clinic of Heart Surgery, East-Slovak Institute of Cardiovascular Diseases and Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
| | - Ján Luczy
- Clinic of Heart Surgery, East-Slovak Institute of Cardiovascular Diseases and Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
| | - Milan Nagy
- Department of Pharmacognosy and Botany, Comenius University, Faculty of Pharmacy, 832 32 Bratislava, Slovak Republic.
| | - Jaroslav Majerník
- Department of Medical Informatics, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
| | - Martin Koščo
- Clinic of Angiology, East-Slovak Institute of Cardiovascular Diseases and Pavol Jozef Šafárik University, 04011 Košice, Slovak Republic.
| | - Pavel Mučaji
- Department of Pharmacognosy and Botany, Comenius University, Faculty of Pharmacy, 832 32 Bratislava, Slovak Republic.
| | - Peter Gál
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 11 Košice, Slovak Republic.
- Department of Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, 040 11 Košice, Slovak Republic.
- Department of Pharmacognosy and Botany, Comenius University, Faculty of Pharmacy, 832 32 Bratislava, Slovak Republic.
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Paul B, Li Y, Tollefsbol TO. The Effects of Combinatorial Genistein and Sulforaphane in Breast Tumor Inhibition: Role in Epigenetic Regulation. Int J Mol Sci 2018; 19:ijms19061754. [PMID: 29899271 PMCID: PMC6032337 DOI: 10.3390/ijms19061754] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 06/04/2018] [Accepted: 06/04/2018] [Indexed: 12/19/2022] Open
Abstract
Dietary compounds that possess the properties of altering epigenetic processes are gaining popularity as targets for cancer prevention studies. These compounds when administered at optimal concentrations and especially in combination can have enhanced effects in cancer prevention or therapy. It is important to study the interaction of two or more compounds in order to assess their role in enhancing prevention. Genistein (GEN), found in soy, has been extensively studied for its role as an epigenetic modifier especially as a DNA methyltransferase (DNMT) inhibitor and sulforaphane (SFN), found in cruciferous vegetables, is known as a histone deacetylase (HDAC) inhibitor. However, very little is known about the effects of these two compounds in conjunction in breast cancer prevention or therapy. In our current study, we determined that, at certain doses, the compounds have synergistic effects in decreasing cellular viability of breast cancer cell lines. Our results indicate that the combination of GEN and SFN is much more effective than their single doses in increasing the rate of apoptosis and lowering the colony forming potential of these cells. We determined that these compounds inhibit cell cycle progression to G2 phase in MDA-MB-231 and G1 phase in MCF-7 breast cancer cell lines. Additionally, we determined that the combination is effective as an HDAC and histone methyltransferase (HMT) inhibitor. Furthermore, we demonstrated that this combination downregulates the levels of HDAC2 and HDAC3 both at the mRNA and protein levels. We also found that these compounds have the potential to downregulate KLF4 levels, which plays an important role in stem cell formation. The combination of GEN and SFN is also effective in downregulating hTERT levels, which is known to be activated when KLF4 binds to its promoter region. Our hypothesis is further strengthened by in vivo studies, where the combination is administered to transgenic mice in the form of genistein and SFN-enriched broccoli sprouts. We have demonstrated that the combination is more effective in preventing or treating mammary cancer via extending tumor latency and reducing tumor volumes/sizes than either of these dietary components administered alone. These results are consistent with our in vitro study suggesting potential preventive and therapeutic effects of this novel dietary combinatorial approach against breast cancer.
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Affiliation(s)
- Bidisha Paul
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
| | - Yuanyuan Li
- Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
- Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
- Department of Pharmacology and Toxicology, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
| | - Trygve O Tollefsbol
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
- Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
- Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
- Comprehensive Diabetes Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
- Comprehensive Center for Healthy Aging, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
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Wang W, Chen J, Mao J, Li H, Wang M, Zhang H, Li H, Chen W. Genistein Ameliorates Non-alcoholic Fatty Liver Disease by Targeting the Thromboxane A 2 Pathway. J Agric Food Chem 2018; 66:5853-5859. [PMID: 29771124 DOI: 10.1021/acs.jafc.8b01691] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is now a public health issue worldwide, but no drug has yet received approval. Genistein, an isoflavonoid derived from soybean, ameliorates high-fat-diet-induced NAFLD in mice, but the molecular underpinnings remain largely elusive. Arachidonic acid (AA) is a major ingredient of animal fats, and the AA cascade has been implicated in chronic inflammation. In this study, we investigated whether genistein was against NAFLD by targeting the AA cascade. Using a mouse model, we showed that genistein supplementation improved high-fat-diet-induced NAFLD by normalizing hepatomegaly, liver steatosis, aminotransferase abnormalities, and glucose tolerance. The thromboxane A2 (TXA2) pathway was aberrantly active in NAFLD, evidenced by an elevation of circulating TXA2 and hepatic thromboxane A2 receptor expression. Mechanistically, we found that genistein directly targeted cyclooxygenase-1 activity as well as its downstream TXA2 biosynthesis, while the TXA2 pathway might mediate NAFLD progression by impairing insulin sensitivity. Taken together, our study revealed a crucial pathophysiological role of the TXA2 pathway in NAFLD and provided an explanation as to how genistein was against NAFLD progression.
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Affiliation(s)
| | - Junliang Chen
- College of Food and Bioengineering , Henan University of Science and Technology , Luoyang , Henan 471003 , People's Republic of China
| | | | | | - Mingfu Wang
- School of Biological Sciences , The University of Hong Kong , Pok Fu Lam , Hong Kong, People's Republic of China
| | | | | | - Wei Chen
- Beijing Innovation Centre of Food Nutrition and Human Health , Beijing Technology and Business University , Beijing 100048 , People's Republic of China
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Lv Z, Fan H, Zhang B, Xing K, Guo Y. Dietary genistein supplementation for breeders and their offspring improves the growth performance and immune function of broilers. Sci Rep 2018; 8:5161. [PMID: 29581465 PMCID: PMC5979951 DOI: 10.1038/s41598-018-23530-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 03/13/2018] [Indexed: 01/08/2023] Open
Abstract
Genistein (GEN) is mainly extracted from soy plants and has potential functions as an antioxidant and in promoting immune function and growth. This study evaluated the effects of feeding breeders and their offspring dietary GEN on the immune function and growth performance of broiler chicks. Breeders were assigned to a control diet or GEN diet (control diet +400 mg/kg GEN), and their offspring were fed a control diet or GEN diet (control diet +40 mg/kg GEN). GEN treatment increased the body weight gain, tibial length, tibial width and slaughter performance of broilers and decreased the feed conversion ratio. The treatment also affected skeletal muscle myosin assembly and growth and increased growth hormone levels and IGF-I and IGFBP1 expression. Following GEN treatment, antigen processing and presentation, macrophage activation, B lymphocyte, NK cell and helper T cell proliferation, and CD4+ T lymphocyte differentiation all increased significantly. Increases were also observed in IgM and IgG concentrations, antibody titers, and antioxidant capacity. In addition, GEN treatment activated the Toll-like receptor signaling pathway and MAPK cascade signaling pathway. In summary, dietary GEN supplementation for breeders and their offspring can improve the growth performance and immune function of broiler chicks.
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Affiliation(s)
- Zengpeng Lv
- State key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, 2 Yuanmingyuan West Road, Beijing, 100193, P. R. China
| | - Hao Fan
- State key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, 2 Yuanmingyuan West Road, Beijing, 100193, P. R. China
| | - Beibei Zhang
- State key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, 2 Yuanmingyuan West Road, Beijing, 100193, P. R. China
| | - Kun Xing
- State key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, 2 Yuanmingyuan West Road, Beijing, 100193, P. R. China
| | - Yuming Guo
- State key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, 2 Yuanmingyuan West Road, Beijing, 100193, P. R. China.
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Russo GI, Di Mauro M, Regis F, Reale G, Campisi D, Marranzano M, Lo Giudice A, Solinas T, Madonia M, Cimino S, Morgia G. Association between dietary phytoestrogens intakes and prostate cancer risk in Sicily. Aging Male 2018; 21:48-54. [PMID: 28817364 DOI: 10.1080/13685538.2017.1365834] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE In this study we aimed to investigate the association between dietary phytoestrogen consumption and prostate cancer in a sample of southern Italian individuals. METHODS A population-based case-control study on the association between prostate cancer and dietary factors was conducted from January 2015 to December 2016 in a single institution of the municipality of Catania, southern Italy (Registration number: 41/2015). A total of 118 histopathological-verified prostate cancer (PCa) cases and a total of 222 controls were collected. Dietary data was collected by using two food frequency questionnaires. RESULTS Patients with PCa consumed significantly higher levels of phytoestrogens. Multivariate logistic regression showed that lignans (Q[quartile]4 vs. Q1, OR [odds ratio] = 4.72; p < .05) and specifically, lariciresinol (Q4 vs. Q1, OR = 4.60; p < .05), pinoresinol (Q4 vs. Q1, OR = 5.62; p < .05), matairesinol (Q4 vs. Q1, OR = 3.63; p < .05), secoisolariciresinol (Q4 vs. Q1, OR = 4.10; p < .05) were associated with increased risk of PCa. Furthermore, we found that isoflavones (Q3 vs. Q1, OR = 0.28; p < .05) and specifically, genistein (Q4 vs. Q1, OR = 0.40; p < .05) were associated with reduced risk of PCa. CONCLUSION We found of an inverse association between dietary isoflavone intake and PCa, while a positive association was found with lignans intake.
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Affiliation(s)
| | | | - Federica Regis
- a Urology Section , University of Catania , Catania , Italy
| | - Giulio Reale
- a Urology Section , University of Catania , Catania , Italy
| | | | - Marina Marranzano
- b Department of Medical and Surgical Sciences and Advanced Technologies "G.F. Ingrassia", Section of Hygiene and Preventive Medicine , University of Catania , Catania , Italy
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Godos J, Bergante S, Satriano A, Pluchinotta FR, Marranzano M. Dietary Phytoestrogen Intake is Inversely Associated with Hypertension in a Cohort of Adults Living in the Mediterranean Area. Molecules 2018; 23:molecules23020368. [PMID: 29425149 PMCID: PMC6017940 DOI: 10.3390/molecules23020368] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 02/05/2018] [Accepted: 02/06/2018] [Indexed: 02/08/2023] Open
Abstract
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. Data on the polyphenols content in foods were retrieved from the Phenol-Explorer database. Results: Individuals in the highest quartile of dietary phytoestrogens intake were less likely to be hypertensive (OR: 0.66, 95% CI: 0.44–0.98); moreover, the association showed a significant decreasing trend. Isoflavones and lignans were not associated with lower odds of hypertension; however, some individual compounds, such as biochanin A and pinoresinol showed an independent inverse association with hypertension. Conclusions: Dietary phytoestrogens are associated with lower likelihood of hypertension in adults living in the Mediterranean area. Future studies are needed to confirm the present findings (i.e., prospective cohort studies) and to better understand the mechanisms underlying such associations.
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Affiliation(s)
- Justyna Godos
- Department of Medical and Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95125 Catania, Italy.
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy.
| | - Sonia Bergante
- IRCCS Policlinico San Donato, 20097 San Donato Milanese (MI), Italy.
| | - Angela Satriano
- IRCCS Policlinico San Donato, 20097 San Donato Milanese (MI), Italy.
| | | | - Marina Marranzano
- Department of Medical and Surgical Sciences and Advanced Technologies "G.F. Ingrassia", University of Catania, 95125 Catania, Italy.
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Lu Y, Li W, Yang X. Soybean soluble polysaccharide enhances absorption of soybean genistein in mice. Food Res Int 2018; 103:273-279. [PMID: 29389615 DOI: 10.1016/j.foodres.2017.10.054] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 10/18/2017] [Accepted: 10/28/2017] [Indexed: 02/01/2023]
Abstract
This study was designed to probe the promoting effects of soybean soluble polysaccharide (SSPS) on bioavailability of genistein in mice and the underlying molecular mechanism. Male Kunming mice (n=8) were administered intragastrically with either saline, SSPS (5mg/kgbw), genistein (100mg/kgbw), or SSPS (5 or 50mg/kgbw) together with genistein (100mg/kgbw) for consecutive 28days. UPLC-qTOF/MS analysis showed that co-administration of SSPS and genistein in mice caused significant elevation in the urinary levels of genistein and its metabolites (p<0.05). Furthermore, the fecal excretion of genistein was also enhanced by co-administration of SSPS. However, the feces level of dihydrogenistein, a characteristic metabolite of genistein degraded by gut microorganism, was dose-dependently decreased by the combined treatment of SSPS. Additionally, co-treatment of SSPS with genistein also decreased the small intestinal levels of uridinediphosphate-glucuronosyltransferase (UGT), sulfotransferase (SULT), P-glycoprotein (P-gp), multidrug resistance-associated protein-1 (MRP1), and multidrug resistance-associated protein-2 (MRP2) in mice. These findings suggest that the inhibition of SSPS against small intestinal first-pass metabolism of genistein is involved in the promoting effect of genistein bioavailability in mice.
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Affiliation(s)
- Yalong Lu
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, China
| | - Wenfeng Li
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, China; School of life science and biotechnology, Yangtze Normal University, Chongqing 408100, China.
| | - Xingbin Yang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, China.
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Lu Y, Li W, Yang X. Soluble soybean polysaccharides enhance the protective effects of genistein against hepatic injury in high l-carnitine-fed mice. Food Funct 2017; 8:4364-4373. [PMID: 29067388 DOI: 10.1039/c7fo00907k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
This study was to develop a novel strategy for the simultaneous consumption of soluble soybean polysaccharides (SSPS) to enhance the absorption of genistein and its protective effects against high l-carnitine-induced hepatic injury in mice. UPLC-qTOP/MS measurements showed that SSPS observably increased the urinary concentration of genistein and its metabolites in mice. The mice fed with 3% l-carnitine water for 12 weeks experienced a disturbance of the hepatic lipid metabolism, oxidative stress and inflammation, which was evidenced by abnormal TC, LDL, RAHFR and MDA levels, unusual AST, ALT, ALP, SOD and GSP-Px activities, and increased IF-1, IF-6 and TNF-α expressions. Interestingly, the co-supplementation of SSPS and genistein was capable of regulating these imbalances more effectively than the administration of SSPS or genistein alone, which was also confirmed by histological observations of the mouse liver. These findings suggest that the co-ingestion of SSPS and genistein is a feasible strategy for improving liver protection in mice.
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Affiliation(s)
- Yalong Lu
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Key Laboratory of Ministry of Education for Medicinal Resource and Natural Pharmaceutical Chemistry, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, China.
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Silva LA, Ferraz Carbonel AA, de Moraes ARB, Simões RS, Sasso GRDS, Goes L, Nunes W, Simões MJ, Patriarca MT. Collagen concentration on the facial skin of postmenopausal women after topical treatment with estradiol and genistein: a randomized double-blind controlled trial. Gynecol Endocrinol 2017; 33:845-848. [PMID: 28508697 DOI: 10.1080/09513590.2017.1320708] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
OBJECTIVE The objective of this study is to compare the effects of topical estrogen and genistein (a soy isoflavone) on the facial skin collagen of postmenopausal women not undergoing systemic hormonal therapy. METHODS This is a prospective, double blind, randomized, controlled clinical trial. Volunteer women (N = 30) 45-55 year old from the Endocrine Gynecology sector of the Gynecology Department of the Federal University of São Paulo (UNIFESP). The Ethical Committee of the Federal University of São Paulo approved the study (report no. 386/2004; registration on ClinicalTrials.gov NCT01553773), were assigned to topical treatment with either estrogen or genistein for 24 weeks. We quantified and compared facial collagen concentration before and after each treatment by performing pre-auricular skin biopsies. RESULTS Our data showed an increase in the amount of both type I and type III facial collagen by the end of both treatments. However, the outcomes of the estrogen GI (ER) group were superior to the genistein GII (GEN) group, with statistical significance p < 000.1 Conclusion: Treatment with topical estrogen is superior to genistein, but both have positive impacts on facial skin collagen. Nevertheless, it is still unclear whether prolonged use of genistein and other topical phytoestrogens could produce systemic effects and further research is needed to clarify this question.
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Affiliation(s)
| | | | | | - Ricardo S Simões
- c Department of Obstetrics and Gynecology , University of São Paulo , São Paulo , Brazil , and
| | | | - Lívia Goes
- b Department of Morphology and Genetic , Universidade Federal de Sao Paulo , Sao Paulo , Brazil
| | - Winnie Nunes
- b Department of Morphology and Genetic , Universidade Federal de Sao Paulo , Sao Paulo , Brazil
| | - Manuel Jesus Simões
- b Department of Morphology and Genetic , Universidade Federal de Sao Paulo , Sao Paulo , Brazil
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Han A, Won SB, Kwon YH. Different Effects of Maternal Low-Isoflavone Soy Protein and Genistein Consumption on Hepatic Lipid Metabolism of 21-Day-Old Male Rat Offspring. Nutrients 2017; 9:nu9091039. [PMID: 28930193 PMCID: PMC5622799 DOI: 10.3390/nu9091039] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 09/07/2017] [Accepted: 09/18/2017] [Indexed: 12/12/2022] Open
Abstract
Amino acid composition and isoflavone are alleged contributors to the beneficial effects of soy protein isolate (SPI) on lipid metabolism. Therefore, we investigated the contributing component(s) of SPI in a maternal diet to the regulation of lipid metabolism in offspring. We also determined serum parameters in dams to investigate specific maternal cues that might be responsible for this regulation. Female rats were fed either a casein (CAS), a low-isoflavone SPI, or a casein plus genistein (GEN, 250 mg/kg) diet for two weeks before mating, as well as during pregnancy and lactation. Male offspring (CAS, SPI and GEN groups) were studied 21 days after birth. The SPI group had lower serum triglyceride levels than the other groups. Serum cholesterol was reduced in both the SPI and GEN groups compared with the CAS group. Expressions of target genes of peroxisome proliferator-activated receptor α were altered in the SPI group. Serum aromatic amino acid levels in dams were associated with serum triglyceride in offspring. In conclusion, the maternal consumption of a low-isoflavone SPI diet or a casein diet containing genistein has different effects on the lipid metabolism of their offspring; however, more profound effects were observed in the SPI group. Therefore, the altered lipid metabolism of offspring may be attributed to amino acid composition in maternal dietary protein sources.
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Affiliation(s)
- Anna Han
- Department of Food and Nutrition, Seoul National University, Seoul 08826, Korea.
| | - Sae Bom Won
- Department of Food and Nutrition, Seoul National University, Seoul 08826, Korea.
- Research Institute of Human Ecology, Seoul National University, Seoul 08826, Korea.
| | - Young Hye Kwon
- Department of Food and Nutrition, Seoul National University, Seoul 08826, Korea.
- Research Institute of Human Ecology, Seoul National University, Seoul 08826, Korea.
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Lee HJ, Lim SM, Ko DB, Jeong JJ, Hwang YH, Kim DH. Soyasapogenol B and Genistein Attenuate Lipopolysaccharide-Induced Memory Impairment in Mice by the Modulation of NF-κB-Mediated BDNF Expression. J Agric Food Chem 2017; 65:6877-6885. [PMID: 28771341 DOI: 10.1021/acs.jafc.7b02569] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Lactobacillus plantarum C29-fermented defatted soybean (FDS), which contains soyasaponins such as soyasaponin I (SI) and soyasapogenol B (SB) and isoflavones such as genistin (GE) and genistein (GT), attenuated memory impairment in mice. Moreover, in the preliminary study, FDS and its soyasaponins and isoflavones significantly inhibited NF-κB activation in LPS-stimulated microglial BV2 cells. Therefore, we examined the effects of FDS and its constituents SI, SB, GT, and GE on LPS-induced memory impairment in mice. Oral administration of FDS (80 mg/kg), which has higher concentrations of SB and GE than DS, recovered LPS-impaired cognitive function in Y-maze (55.1 ± 3.5%) and passive avoidance tasks (50.9 ± 19.2 s) to 129.2% (74.1 ± 3.5%) and 114.2% (290.0 ± 22.4 s) of normal mice, respectively (P < 0.05). SB and GE (10 μM) also more potently attenuated LPS-impaired cognitive behavior than SI and GT, respectively. SB (10 mg/kg) was the most effective: treatment recovered LPS-impaired spontaneous alternation and latency time to 105.7% and 126.8% of normal control mice, respectively (P < 0.05). SB and GE significantly increased BDNF expression and CREB phosphorylation in LPS-treated mice and corticosterone-stimulated SH-SY5Y cells. Furthermore, SB and GE (10 μM) also significantly inhibited NF-κB activation in LPS-treated mice. These findings suggested that FDS and its constituent soyasaponins and isoflavones may attenuate memory impairment by the regulation of NF-κB-mediated BDNF expression.
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Affiliation(s)
- Hae-Ji Lee
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University , 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea
| | - Su-Min Lim
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University , 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea
| | - Da-Bin Ko
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University , 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea
| | - Jin-Ju Jeong
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University , 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea
| | - Yun-Ha Hwang
- DongWha Pharm Research Institute , 35-71, Topsil-ro, Giheung-gu, Yongin-Shi, Gyeonggi 446-902 Korea
| | - Dong-Hyun Kim
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University , 26, Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Korea
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Abstract
This study was performed to evaluate the effect of concomitant supplementation of genistein and silicon on bone mineral density and bone metabolism-related markers in ovariectomized rat. Three-month-old Sprague Dawley female rats were subjected to bilateral ovariectomy (OVX) or sham surgery, and then the OVX rats were randomly divided into four groups: OVX-GEN, OVX-Si, OVX-GEN-Si, and OVX. Genistein and silicon supplementation was started immediately after OVX and continued for 10 weeks. In the OVX-GEN group, 5 mg genistein per gram body weight was injected subcutaneously. The OVX-Si group was given soluble silicon daily in demineralized water (Si 20 mg/kg body weight/day). The OVX-GEN-Si group was given subcutaneous injections of 5 mg genistein per gram body weight, at the same time, given soluble silicon daily (Si 20 mg/kg body weight/day). The results showed that the genistein supplementation in the OVX rats significantly prevented the loss of uterus weight; however, the silicon supplementation showed no effect on the uterus weight loss. The lumbar spine and femur bone mineral density was significantly decreased after OVX surgery; however, this decrease was inhibited by the genistein and/or silicon, and the BMD of the lumbar spine and femur was the highest in the OVX-GEN-Si-treated group. Histomorphometric analyses showed that the supplementation of genistein and/or silicon restored bone volume and trabecular thickness of femoral trabecular bone in the OVX group. Besides, the treatment with genistein and silicon for 10 weeks increased the serum levels of calcium and phosphorus in the OVX rats; serum calcium and serum phosphorus in the OVX-GEN-Si group were higher than those in the OVX-GEN and OVX-Si group (P < 0.05). At the same time, the treatment with genistein and/or silicon decreased serum alkaline phosphatase (ALP) and osteocalcin, which were increased by ovariectomy; serum ALP and osteocalcin in the OVX-GEN-Si group were lower than those in the OVX-GEN and OVX-Si groups (P < 0.05). The results above indicate that genistein and silicon have synergistic effects on bone formation in ovariectomized rats.
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Affiliation(s)
- Shanshan Qi
- Vitamin D Research Institute, Shaanxi Sci-Tech University, Chaoyang Road, Hantai District, Hanzhong, Shaanxi, 723000, China
| | - Hongxing Zheng
- College of Biological Science and Engineering, Shaanxi Sci-Tech University, Hanzhong, Shaanxi, 723000, China.
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Abstract
Extensive studies have demonstrated that biochanin A (BCA) has a significant hypolipidemic effect. However, its mechanism of action is not clear. In this context, the effect of BCA on a high-fat diet (HFD)-induced hyperlipidemia in mice was determined. The results showed that treatment with a medium dose of biochanin A (BM) significantly decreased low-density lipoprotein cholesterol (LDL-C) 85% (from 1.196 ± 0.183 to 0.181 ± 0.0778 mM) and total cholesterol (TC) 39% (from 5.983 ± 0.128 to 3.649 ± 0.374 mM) levels, increased lipoprotein lipase (LPL) 96% (from 1.421 ± 0.0982 to 2.784 ± 0.177 U/mg protein) and hepatic triglyceride lipase (HTGL) 78% (from 1.614 ± 0.0848 to 2.870 ± 0.0977 U/mg protein) activities, significantly improved fecal lipid levels, and lowered the epididymal fat index in hyperlipidemic mice compared with the HFD control mice (p < 0.05). In vitro, the high antioxidant capacity of BCA was determined by the FRAP assay, ABTS•+ scavenging method, and an ROS assay. In RAW 264.7 macrophages, a dose of 10 μM BCA significantly increased the cholesterol efflux by 18.7% compared with the control cells. Moreover, molecular docking of BCA on cholesterol ester transfer protein (CETP) (Asn24 and Thr27 at the N-terminal; Ala274 and Phe270 at the C-terminal) gave new insights into the role of BCA in preventing cholesterol ester transport.
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Affiliation(s)
- Zhaohui Xue
- School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, China
| | - Qian Zhang
- School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, China
| | - Wancong Yu
- Medical Plant Laboratory, Tianjin Research Center of Agricultural Biotechnology , Tianjin 300381, China
| | - Haichao Wen
- School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, China
| | - Xiaonan Hou
- School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, China
| | - Dan Li
- School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, China
| | - Xiaohong Kou
- School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, China
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Kreß A, Oppold AM, Kuch U, Oehlmann J, Müller R. Cold tolerance of the Asian tiger mosquito Aedes albopictus and its response to epigenetic alterations. J Insect Physiol 2017; 99:113-121. [PMID: 28396211 DOI: 10.1016/j.jinsphys.2017.04.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 04/03/2017] [Accepted: 04/05/2017] [Indexed: 06/07/2023]
Abstract
Phenotypic plasticity is considered as one of the key traits responsible for the establishment of populations of the invasive mosquito Aedes albopictus, an important vector of viral and parasitic pathogens. The successful spread of this species to higher altitudes and latitudes may be explained by its ability to rapidly induce a heritable low-temperature phenotype (cold hardiness in eggs). As a result of the low genetic diversity of founder populations, an epigenetic short-term mechanism has been suggested as the driver of this diversification. We investigated if random epigenetic alterations promoted the cold hardiness of Ae. albopictus eggs from a transgenerational study of two epigenetic agents (genistein and vinclozolin). To this end, we evaluated changes in lethal time for 50% of pharate larvae (Lt50) from eggs exposed to -2°C in two subsequent generations that used a new dose-response test design. We detected a significant diversification of the cold hardiness of eggs (up to 64.5%) that was associated with the epigenetic change in the two subsequent offspring generations. An effect size of epigenetically modulated cold hardiness of this magnitude is likely to have an impact on the spatial distribution of this species. Our results provide a framework for further research on epigenetic temperature adaptation of invasive species to better explain and predict their rapid range expansions.
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Affiliation(s)
- Aljoscha Kreß
- Senckenberg Biodiversity and Climate Research Centre, Department Adaptation and Climate, Georg-Voigt-Str. 14-16, 60325 Frankfurt am Main, Germany; Goethe University Frankfurt am Main, Department Aquatic Ecotoxicology, Institute for Ecology, Evolution & Diversity, Max-von-Laue-Str. 13, 60438 Frankfurt am Main, Germany.
| | - Ann-Marie Oppold
- Senckenberg Biodiversity and Climate Research Centre, Department Adaptation and Climate, Georg-Voigt-Str. 14-16, 60325 Frankfurt am Main, Germany; Goethe University Frankfurt am Main, Molecular Ecology Group, Institute for Ecology, Evolution & Diversity, Max-von-Laue-Str. 13, 60438 Frankfurt am Main, Germany
| | - Ulrich Kuch
- Goethe University Frankfurt am Main, Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
| | - Jörg Oehlmann
- Senckenberg Biodiversity and Climate Research Centre, Department Adaptation and Climate, Georg-Voigt-Str. 14-16, 60325 Frankfurt am Main, Germany; Goethe University Frankfurt am Main, Department Aquatic Ecotoxicology, Institute for Ecology, Evolution & Diversity, Max-von-Laue-Str. 13, 60438 Frankfurt am Main, Germany
| | - Ruth Müller
- Goethe University Frankfurt am Main, Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
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Zhang X, Cook KL, Warri A, Cruz IM, Rosim M, Riskin J, Helferich W, Doerge D, Clarke R, Hilakivi-Clarke L. Lifetime Genistein Intake Increases the Response of Mammary Tumors to Tamoxifen in Rats. Clin Cancer Res 2017; 23:814-824. [PMID: 28148690 PMCID: PMC5654585 DOI: 10.1158/1078-0432.ccr-16-1735] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 10/07/2016] [Accepted: 10/11/2016] [Indexed: 12/21/2022]
Abstract
PURPOSE Whether it is safe for estrogen receptor-positive (ER+) patients with breast cancer to consume soy isoflavone genistein remains controversial. We compared the effects of genistein intake mimicking either Asian (lifetime) or Caucasian (adulthood) intake patterns to that of starting its intake during tamoxifen therapy using a preclinical model. EXPERIMENTAL DESIGN Female Sprague-Dawley rats were fed an AIN93G diet supplemented with 0 (control diet) or 500 ppm genistein from postnatal day 15 onward (lifetime genistein). Mammary tumors were induced with 7,12-dimethylbenz(a)anthracene (DMBA), after which a group of control diet-fed rats were switched to genistein diet (adult genistein). When the first tumor in a rat reached 1.4 cm in diameter, tamoxifen was added to the diet and a subset of previously only control diet-fed rats also started genistein intake (post-diagnosis genistein). RESULTS Lifetime genistein intake reduced de novo resistance to tamoxifen, compared with post-diagnosis genistein groups. Risk of recurrence was lower both in the lifetime and in the adult genistein groups than in the post-diagnosis genistein group. We observed downregulation of unfolded protein response (UPR) and autophagy-related genes (GRP78, IRE1α, ATF4, and Beclin-1) and genes linked to immunosuppression (TGFβ and Foxp3) and upregulation of cytotoxic T-cell marker CD8a in the tumors of the lifetime genistein group, compared with controls, post-diagnosis, and/or adult genistein groups. CONCLUSIONS Genistein intake mimicking Asian consumption patterns improved response of mammary tumors to tamoxifen therapy, and this effect was linked to reduced activity of UPR and prosurvival autophagy signaling and increased antitumor immunity. Clin Cancer Res; 23(3); 814-24. ©2017 AACR.
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Affiliation(s)
- Xiyuan Zhang
- Department of Oncology, Georgetown University, Washington, District of Columbia
| | - Katherine L Cook
- Department of Surgical Sciences, Wake Forest University, Winston-Salem, North Carolina
| | - Anni Warri
- Department of Oncology, Georgetown University, Washington, District of Columbia
- Institute of Biomedicine, University of Turku Medical Faculty, Turku, Finland
| | - Idalia M Cruz
- Department of Oncology, Georgetown University, Washington, District of Columbia
| | - Mariana Rosim
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Jeffrey Riskin
- Department of Oncology, Georgetown University, Washington, District of Columbia
| | - William Helferich
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Daniel Doerge
- Division of Biochemical Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, Arkansas
| | - Robert Clarke
- Department of Oncology, Georgetown University, Washington, District of Columbia
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Engel N, Adamus A, Schauer N, Kühn J, Nebe B, Seitz G, Kraft K. Synergistic Action of Genistein and Calcitriol in Immature Osteosarcoma MG-63 Cells by SGPL1 Up-Regulation. PLoS One 2017; 12:e0169742. [PMID: 28125641 PMCID: PMC5268493 DOI: 10.1371/journal.pone.0169742] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 12/21/2016] [Indexed: 11/18/2022] Open
Abstract
Background Phytoestrogens such as genistein, the most prominent isoflavone from soy, show concentration-dependent anti-estrogenic or estrogenic effects. High genistein concentrations (>10 μM) also promote proliferation of bone cancer cells in vitro. On the other hand, the most active component of the vitamin D family, calcitriol, has been shown to be tumor protective in vitro and in vivo. The purpose of this study was to examine a putative synergism of genistein and calcitriol in two osteosarcoma cell lines MG-63 (early osteoblast), Saos-2 (mature osteoblast) and primary osteoblasts. Methods Thus, an initial screening based on cell cycle phase alterations, estrogen (ER) and vitamin D receptor (VDR) expression, live cell metabolic monitoring, and metabolomics were performed. Results Exposure to the combination of 100 μM genistein and 10 nM calcitriol reduced the number of proliferative cells to control levels, increased ERß and VDR expression, and reduced extracellular acidification (40%) as well as respiratory activity (70%), primarily in MG-63 cells. In order to identify the underlying cellular mechanisms in the MG-63 cell line, metabolic profiling via GC/MS technology was conducted. Combined treatment significantly influenced lipids and amino acids preferably, whereas metabolites of the energy metabolism were not altered. The comparative analysis of the log2-ratios revealed that after combined treatment only the metabolite ethanolamine was highly up-regulated. This is the result: a strong overexpression (350%) of the enzyme sphingosine-1-phosphate lyase (SGPL1), which irreversibly degrades sphingosine-1-phosphate (S1P), thereby, generating ethanolamine. S1P production and secretion is associated with an increased capability of migration and invasion of cancer cells. Conclusion From these results can be concluded that the tumor promoting effect of high concentrations of genistein in immature osteosarcoma cells is reduced by the co-administration of calcitriol, primarily by the breakdown of S1P. It should be tested whether this anti-metastatic pathway can be stimulated by combined treatment also in metastatic xenograft mice models.
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Affiliation(s)
- Nadja Engel
- Department of Pediatric Surgery, University Hospital Marburg, Baldingerstraße, Marburg, Germany
- Department of Cell Biology, Rostock University Medical Center, Schillingallee, Rostock, Germany
- * E-mail: ,
| | - Anna Adamus
- Department of Pediatric Surgery, University Hospital Marburg, Baldingerstraße, Marburg, Germany
- Department of Cell Biology, Rostock University Medical Center, Schillingallee, Rostock, Germany
| | - Nicolas Schauer
- Metabolomic Discoveries GmbH, Am Mühlenberg, Potsdam-Golm, Germany
| | - Juliane Kühn
- Department of Cell Biology, Rostock University Medical Center, Schillingallee, Rostock, Germany
| | - Barbara Nebe
- Department of Cell Biology, Rostock University Medical Center, Schillingallee, Rostock, Germany
| | - Guido Seitz
- Department of Pediatric Surgery, University Hospital Marburg, Baldingerstraße, Marburg, Germany
| | - Karin Kraft
- Complementary Medicine, Center of Internal Medicine, Rostock University Medical Center, Ernst-Heydemann-Straße 6, Rostock, Germany
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Santos-Fagundes D, Grasa L, Gonzalo S, Valero MS, Castro M, Arruebo MP, Plaza MÁ, Murillo MD. Different mechanisms of actions of genistein, quercetin on spontaneous contractions of rabbit duodenum. Rev Esp Enferm Dig 2016; 107:413-6. [PMID: 26140633 DOI: 10.17235/reed.2015.3695/2015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Flavonoids are known to relax precontracted intestinal smooth muscle and delay intestinal transit or intestinal peristalsis. The aim of this study was to determine the effects of genistein and quercetin on spontaneous contractions of rabbit duodenum in vitro in an organ bath. Genistein and quercetin (0.1-10µM) reduced the amplitude of spontaneous contractions in the longitudinal and circular smooth muscle of rabbit duodenum, but they did not modify the frequency. Bay K8644 (L-type Ca2+ channel activator), apamin, charybdotoxin, and tetraetylammonium (K+ channel blockers) reverted the inhibition of amplitude of spontaneous contractions induced by genistein in longitudinal and circular smooth muscle. H-89 (protein kinase A inhibitor) antagonized the reduction of the amplitude of spontaneous contractions induced by quercetin in longitudinal and circular smooth muscle of duodenum, while 2,5-dideoxiadenosine (adenylyl cyclase inhibitor) reverted only the reduction of the amplitude in circular smooth muscle. In conclusion, genistein and quercetin reduce the spontaneous contractions in the duodenum by different mechanisms of actions. The effect of genistein would be mediated by Ca2+ and K+ channels, while the effect of quercetin would be mediated by cAMP and protein kinase A.
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Abdi F, Alimoradi Z, Haqi P, Mahdizad F. Effects of phytoestrogens on bone mineral density during the menopause transition: a systematic review of randomized, controlled trials. Climacteric 2016; 19:535-545. [PMID: 27710141 DOI: 10.1080/13697137.2016.1238451] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 08/18/2016] [Accepted: 09/15/2016] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Menopause is associated with increased bone resorption and decreased bone mineral density (BMD). Phytoestrogens are believed to prevent bone loss. This study reviewed relevant randomized, controlled trials to determine the effects of phytoestrogens on BMD in postmenopausal women. METHODS In order to perform this systematic review, PubMed, Science Direct, Scopus, Cochrane Library, ISI Web of Knowledge, and ProQuest databases were searched for articles published during 2005-2016. The main keywords used during the searches were "phytoestrogen" and "bone mineral density" and "menopause". The Cochrane Risk of Bias Assessment Tool was used to evaluate the quality of the selected studies and to assess the risk of bias. RESULTS A total of 23 eligible studies were included in this systematic review. Most selected studies used a double-blind, placebo-controlled design. In total, 3494 participants were enrolled in the selected trials. Different types of soy isoflavone extracts, including genistein extracts (either alone or in combination with daidzein), dietary products containing different amounts of phytoestrogens, and red clover extracts were used in the designed interventions. The duration of the interventions ranged from 7 weeks to 3 years. In most studies, the primary outcome was the efficacy of the designed intervention which was assessed through measuring whole body or regional BMD or bone mineral content, T-scores, and biomarkers of bone metabolism. CONCLUSIONS Isoflavones probably have beneficial effects on bone health in menopausal women. Nevertheless, there were controversial reports about changes in BMD. Supplementation with a phytoestrogen can probably prevent the reduction in BMD and maintain a healthy bone structure during menopause.
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Affiliation(s)
- F Abdi
- a PhD Candidate, Students' Research Office, Nursing and Midwifery Faculty , Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Z Alimoradi
- b PhD Candidate, Department of Midwifery and Reproductive Health, Nursing and Midwifery Faculty , Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - P Haqi
- c MS of Midwifery, Students' Research Office, Nursing and Midwifery Faculty , Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - F Mahdizad
- c MS of Midwifery, Students' Research Office, Nursing and Midwifery Faculty , Shahid Beheshti University of Medical Sciences , Tehran , Iran
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Sosić-Jurjević B, Filipović B, Ajdzanović V, Brkić D, Ristić N, Stojanoski MM, Nestorović N, Trifunović S, Sekulić M. A BRIEF COMMUNICATION. Exp Biol Med (Maywood) 2016; 232:1222-7. [PMID: 17895530 DOI: 10.3181/0703-bc-82] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Nutritional supplements containing soybean phytoestrogens, the isoflavones genistein (G) and daidzein (D), are increasingly used as alternative therapy for osteoporosis, cancer, and cardiovascular and other diseases with a frequency that increases with advancing age. In this study we examined the effects of subcutaneous administration of either G or D on serum lipid levels in orchidectomized (Orx) and intact (IA) middle-aged male rats, which are experimental models of andropause. Sixteen-month-old Wistar rats were treated with 10 mg/kg and 30mg/kg of either G or D. The control groups received testosterone, estradiol, or vehicle for 3 weeks, after which the total serum cholesterol (TC), low-density lipoprotein (LDL-C), high-density lipoprotein (HDL-C), and total triglycerides (TT) were measured. Compared with the matching vehicle-treated controls, the higher doses of G and D and testosterone treatment significantly ( P < 0.05) lowered the TC and lipoprotein cholesterol levels. The greatest effect was observed regarding LDL-C in both Orx and IA males after G and D treatments, in which LDL-C decreased by more than 30%. The lower isoflavone doses induced a significant cholesterol-lowering effect ( P < 0.05) only in the Orx group. Like the estradiol treatment, the higher doses of G and D increased the TT levels in both rat models by more than 50% ( P < 0.05). The lower doses of isoflavones increased TT only in the Orx group. In male middle-aged rats, injections of higher doses of G and D decreased the serum cholesterol levels, as did testosterone injection, and brought about an increase in serum triglycerides similar to that observed after estradiol treatment.
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Abstract
PURPOSE OF REVIEW The estrogenic effects of genistein, as reconfirmed by the American National Toxicology Program (USA-NTP), have led to several new clinical studies being undertaken. Here, we highlight the most relevant recent data, reporting either beneficial or adverse effects. RECENT FINDINGS Phytoestrogens are natural molecules from edible plants exhibiting estrogenic activities. Post-USA-NTP studies investigated both human and animal reproductive and other physiological issues. These studies showed that estrogens can be either deleterious for reproduction and estrogen-dependent diseases, or beneficial for those with steroid deficiencies, that is more than 50. The specific outcome depends on exposure level and on the estrogenic status of the patients exposed. Recently, it was reported that, with the industrialization of soybean process, phytoestrogen exposure dramatically increased in both humans and cattle, whereas traditional Asian soy-food-processing empirically removed isoflavones. Phytoestrogen exposure has also become more widespread with the progressive internationalization of soybean use in human and cattle food. SUMMARY Phytoestrogens should be considered as modern endocrine disruptors and studied as such.
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Affiliation(s)
- Catherine Bennetau-Pelissero
- aUniversity Bordeaux, Neurocentre Magendie, Physiopathologie de la plasticité neuronale, U862 bINSERM, Neurocentre Magendie, Physiopathologie de la plasticité neuronale, U1215 Bordeaux cBordeaux Sciences Agro, Gradignan, France
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Portman MA, Navarro SL, Bruce ME, Lampe JW. Soy isoflavone intake is associated with risk of Kawasaki disease. Nutr Res 2016; 36:827-34. [PMID: 27440537 PMCID: PMC4987172 DOI: 10.1016/j.nutres.2016.04.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 03/30/2016] [Accepted: 04/07/2016] [Indexed: 01/31/2023]
Abstract
Kawasaki disease (KD) is an acute vasculitis affecting children. Incidence of KD varies according to ethnicity and is highest in Asian populations. Although genetic differences may explain this variation, dietary or environmental factors could also be responsible. The objectives of this study were to determine dietary soy and isoflavone consumption in a cohort of KD children just before disease onset and their mothers' intake during pregnancy and nursing. We tested the hypothesis that soy isoflavone consumption is associated with risk of KD in US children, potentially explaining some of the ethnic-cultural variation in incidence. We evaluated soy food intake and isoflavone consumption in nearly 200 US KD cases and 200 age-matched controls using a food frequency questionnaire for children and in their mothers. We used a logistic regression model to test the association of isoflavones and KD. Maternal surveys on soy intake during pregnancy and nursing showed no significant differences in isoflavone consumption between groups. However, we identified significantly increased KD risk in children for total isoflavone (odds ratio [OR], 2.33; 95% confidence interval [CI], 1.37-3.96) and genistein (OR, 2.46; 95% CI, 1.46-4.16) intakes, when comparing high soy consumers vs nonconsumers. In addition, significantly increased KD risk occurred in Asian-American children with the highest consumption (total isoflavones: OR, 7.29; 95% CI, 1.73-30.75; genistein: OR, 8.33; 95% CI, 1.92-36.24) compared to whites. These findings indicate that childhood dietary isoflavone consumption, but not maternal isoflavone intake during pregnancy and nursing, relates to KD risk in an ethnically diverse US population.
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Affiliation(s)
- Michael A Portman
- Division of Cardiology, Department of Pediatrics, University of Washington, Seattle, WA, USA; Center for Developmental Therapeutics, Seattle Children's Research Institute, Seattle, WA, USA.
| | - Sandi L Navarro
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Margaret E Bruce
- Center for Developmental Therapeutics, Seattle Children's Research Institute, Seattle, WA, USA
| | - Johanna W Lampe
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA; Department of Epidemiology, University of Washington, Seattle, WA, USA
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