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Yuan S, Li Z, Huang W, Chen K, Li J. The phytoestrogenic potential of flavonoid glycosides from Selaginella moellendorffii via ERα-dependent signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2023; 308:116174. [PMID: 36669597 DOI: 10.1016/j.jep.2023.116174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/03/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Selaginella moellendorffii (SM) has been applied as an ethnic drug to treat conditions such as osteoporosis, idiopathic thrombocytopenic purpura, and chronic inflammation. It is known to be rich in flavonoids, including apigenin glycosides and unique elements of bioflavonoids. AIM OF THE STUDY To investigate estrogen-like constituents of SM and the possible mechanism. MATERIALS AND METHODS We identified the main components in liquid chromatography and liquid chromatography-mass spectrometry. The estrogenic effects were examined using a recombinant yeast screening assay, an E-screen cell proliferation assay, and an in vivo uterotrophic assay. RESULTS Flavonoid glycosides extract, some flavonoid glycosides, and apigenin showed estrogen agonistic activity in the yeast screening assay. They also induced cell proliferation in estrogen receptor-positive (ER+) cells but not in estrogen receptor-negative (ER-) cells. Consistently, the protein expression of ERα, phosphorylation protein kinase B (p-AKT), phosphatidylinositol 3 kinase (PI3K), phosphorylation mammalian target of rapamycin (p-mTOR), phosphorylation 38,000-Da protein (p-P38), and phosphorylation extracellular-regulated kinase 1/2 (p-ERK1/2) elevated following treatment with flavonoid glycoside extract (P < 0.01 or P < 0.05). These effects could be blocked by ER antagonist or ERα antagonist but not be blocked by ERβ antagonist. In vivo assay, flavonoid glycoside extract could significantly increase body weight, serum estradiol level, uterine wet weight, alter uterine morphology, and promote ERα protein expression (P < 0.01 or P < 0.05). CONCLUSIONS ERα induction via mitogen-activated protein kinases (MAPK) and PI3K/Akt/mTOR pathways might be the possible mechanism underlying the phytoestrogen effect of SM, and the flavonoid glycosides might be the critical estrogenic constituents.
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Affiliation(s)
- Shijun Yuan
- Hubei Province Key Laboratory of Traditional Chinese Medicine Resource and Chemistry, Department of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, 430065, China.
| | - Zihan Li
- Hubei Province Key Laboratory of Traditional Chinese Medicine Resource and Chemistry, Department of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, 430065, China.
| | - Wei Huang
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China.
| | - Keli Chen
- Hubei Province Key Laboratory of Traditional Chinese Medicine Resource and Chemistry, Department of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, 430065, China.
| | - Juan Li
- Hubei Province Key Laboratory of Traditional Chinese Medicine Resource and Chemistry, Department of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, 430065, China.
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B Arcanjo R, Richardson KA, Yang S, Patel S, Flaws JA, Nowak RA. Effects of Chronic Dietary Exposure to Phytoestrogen Genistein on Uterine Morphology in Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:1693-1704. [PMID: 33528250 DOI: 10.1021/acs.jafc.0c07456] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Genistein is naturally occurring in plants and binds to estrogen receptors. Humans are mainly exposed through diet, but the use of supplements is increasing as genistein is claimed to promote health and alleviate menopausal symptoms. We analyzed diverse uterine features in adult mice chronically fed genistein for different times. The luminal epithelium height was increased in females treated with 500 and 1000 ppm at PND 95, and the width of the outer myometrium was increased in females treated with 1000 ppm at PND 65 compared to that in controls. An increase in proliferation was noted in the inner myometrium layer of animals exposed to 300 ppm genistein at PND 185 compared to that in controls. Luminal hyperplasia was greater in the 1000 ppm group at PND 65, 95, and 185, although not statistically different from control. These results indicate that genistein may exert estrogenic activity in the uterus, without persistent harm to the organ.
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Affiliation(s)
- Rachel B Arcanjo
- Department of Animal Sciences, University of Illinois, Urbana, Illinois 61801, United States
| | - Kadeem A Richardson
- Department of Animal Sciences, University of Illinois, Urbana, Illinois 61801, United States
| | - Shuhong Yang
- Department of Animal Sciences, University of Illinois, Urbana, Illinois 61801, United States
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, People's Republic of China
| | - Shreya Patel
- Department of Comparative Biosciences, University of Illinois, Urbana, Illinois 61820, United States
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana, Illinois 61820, United States
| | - Romana A Nowak
- Department of Animal Sciences, University of Illinois, Urbana, Illinois 61801, United States
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Phytoestrogen genistein hinders ovarian oxidative damage and apoptotic cell death-induced by ionizing radiation: co-operative role of ER-β, TGF-β, and FOXL-2. Sci Rep 2020; 10:13551. [PMID: 32782329 PMCID: PMC7419553 DOI: 10.1038/s41598-020-70309-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 07/14/2020] [Indexed: 01/17/2023] Open
Abstract
Radiotherapy is a well-known cause of premature ovarian failure (POF). Therefore, we investigated the molecular influence of genistein (GEN) on the ovarian reserve of rats exposed to ϒ-radiation. Female Sprague Dawley rats were exposed to a 3.2 Gy γ-radiation to induce POF and/or treated with either GEN (5 mg/kg, i.p.) or Ethinyl estradiol (E2; 0.1 mg/kg, s.c.), once daily for 10 days. GEN was able to conserve primordial follicles stock and population of growing follicles accompanied with reduction in atretic follicles. GEN restored the circulating estradiol and anti-Müllerian hormone levels which were diminished after irradiation. GEN has potent antioxidant activity against radiation-mediated oxidative stress through upregulating endogenous glutathione levels and glutathione peroxidase activity. Mechanistically, GEN inhibited the intrinsic pathway of apoptosis by repressing Bax expression and augmenting Bcl-2 expression resulted in reduced Bax/Bcl-2 ratio with subsequent reduction in cytochrome c and caspase 3 expression. These promising effects of GEN are associated with improving granulosa cells proliferation. On the molecular basis, GEN reversed ovarian apoptosis through up-regulation of ER-β and FOXL-2 with downregulation of TGF-β expression, therefore inhibiting transition of primordial follicles to more growing follicles. GEN may constitute a novel therapeutic modality for safeguarding ovarian function of females' cancer survivors.
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Hay WT, Behle RW, Berhow MA, Miller AC, Selling GW. Biopesticide synergy when combining plant flavonoids and entomopathogenic baculovirus. Sci Rep 2020; 10:6806. [PMID: 32321975 PMCID: PMC7176681 DOI: 10.1038/s41598-020-63746-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 03/30/2020] [Indexed: 11/30/2022] Open
Abstract
Four crop plants known to be hosts for the lepidopteran Trichoplusia ni (soybean, green bean, cotton, and cabbage) were treated with the biopesticide AfMNPV baculovirus in a dosage response assay. Treated soybean had, on average, a 6-fold increase in virus activity compared with the other crops. Leaf trichomes on soybeans were not found to be responsible for the observed increase of insecticidal activity. Three flavonoid compounds (daidzein, genistein, and kaempferol) were uniquely found only in the soybean crop, and were not detected in cotton, cabbage, or green bean plant matter. The individual flavonoid compounds did not cause T ni. mortality in no-virus assays when incorporated into artificial insect diet. The combination of the three flavonoid compounds at leaf level concentrations significantly increased baculovirus activity in diet incorporation assays. When the daidzein, genistein, and kaempferol were added to artificial diet, at 3.5–6.5 × leaf level concentrations, virus activity increased 1.5, 2.3, and 4.2-fold for each respective flavonoid. The soybean flavonoid compounds were found to synergistically improve baculovirus activity against T. ni.
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Affiliation(s)
- William T Hay
- Plant Polymer Research Unit, USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, 1815 N, University Street, Peoria, IL, 61604, USA.
| | - Robert W Behle
- Crop Bioprotection Research Unit, USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, 1815 N, University Street, Peoria, IL, 61604, USA
| | - Mark A Berhow
- Functional Foods Research Unit, USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, 1815 N, University Street, Peoria, IL, 61604, USA
| | - Andie C Miller
- Bradley University, Department of Biology, 1501W. Bradley Ave Olin Hall 101, Peoria, IL, 61625, USA
| | - Gordon W Selling
- Plant Polymer Research Unit, USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, 1815 N, University Street, Peoria, IL, 61604, USA
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Shi Z, Lv Z, Hu C, Zhang Q, Wang Z, Hamdard E, Dai H, Mustafa S, Shi F. Oral Exposure to Genistein during Conception and Lactation Period Affects the Testicular Development of Male Offspring Mice. Animals (Basel) 2020; 10:ani10030377. [PMID: 32111017 PMCID: PMC7143625 DOI: 10.3390/ani10030377] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/18/2020] [Accepted: 02/22/2020] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Spermatogenesis and hormones secretions are important life-threating and complicated process, which can be affected by environmental estrogens. Genistein, a type of isoflavones, widely exists in the soybean products diet, which exerts a controversial role in reproductive regulation for its special structures or functions. The results of the study revealed that low-dose genistein treatment increased the level of testosterone in the mice serum, and positively regulated expression of spermatogenesis-related genes, which enhanced spermatogenesis and testicular development. However, High-dose genistein treatment induced apoptosis of germ cells and inhibited proliferation of germ cells during spermatogenesis. Reproductive alterations in the structures and functions of testis were dose-dependent in different genistein treatments. Abstract Sexual hormones are essential for the process of spermatogenesis in the testis. However, the effect of maternal genistein (GEN) on the pups’ testicular development remain-unclear. Our present study evaluated the effects of supplementing GEN for parental and offspring mice on the reproductive function and growth performance of the male pups. Mothers during gestation and lactation period were assigned to a control diet (CON group), low dose GEN (LGE group) diet (control diet +40 mg/kg GEN), and high dose of GEN (HGE group) diet (control diet +800 mg/kg GEN). Their male offspring underwent the same treatment of GEN after weaning. LGE treatment (40 mg/kg GEN) significantly increased body weights (p < 0.001), testes weights (p < 0.05), diameters of seminiferous tubule (p < 0.001) and heights of seminiferous epithelium (p < 0.05) of offspring mice. LGE treatment also increased serum testosterone (T) levels and spermatogenesis scoring (p < 0.05). However, HGE treatment (800mg/kg GEN) significantly decreased body weights (p < 0.001), testes weights (p < 0.05) and testis sizes (p < 0.001). Furthermore, mRNA expressions of ESR2 (p < 0.05), CYP19A1 (p < 0.001), SOX9 (p < 0.001) and BRD7 (p < 0.001) in testis of mice were increased in the LGE group. Similarly, HGE treatment increased mRNA expressions of ESR2 (p < 0.05) and CYP19A1 (p < 0.001). However, mRNA expressions of SOX9 and BRD7 were decreased significantly in the HGE group (p < 0.001). Meanwhile, higher ratio apoptotic germ cells and abnormal sperms were detected in the HGE group (p < 0.001). In conclusion, exposure to a low dose of GEN during fetal and neonatal life could improve testicular development of offspring mice, whereas, unfavorable adverse effects were induced by a high dose of GEN.
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Keskin E, Allahverdiyeva S, Yardım Y. WITHDRAWN: Electroanalytical investigation and voltammetric quantification of daidzein at a non-modified boron-doped diamond electrode in the existence of cationic surfactant. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Li XL, Sui L, Lin FH, Lian Y, Ai LZ, Zhang Y. Differential effects of genistein and 8-prenylgenistein on reproductive tissues in immature female mice. PHARMACEUTICAL BIOLOGY 2019; 57. [PMID: 30946631 PMCID: PMC6461073 DOI: 10.1080/13880209.2019.1590422] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
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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Luca SV, Macovei I, Bujor A, Miron A, Skalicka-Woźniak K, Aprotosoaie AC, Trifan A. Bioactivity of dietary polyphenols: The role of metabolites. Crit Rev Food Sci Nutr 2019; 60:626-659. [PMID: 30614249 DOI: 10.1080/10408398.2018.1546669] [Citation(s) in RCA: 323] [Impact Index Per Article: 64.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A polyphenol-rich diet protects against chronic pathologies by modulating numerous physiological processes, such as cellular redox potential, enzymatic activity, cell proliferation and signaling transduction pathways. However, polyphenols have a low oral bioavailability mainly due to an extensive biotransformation mediated by phase I and phase II reactions in enterocytes and liver but also by gut microbiota. Despite low oral bioavailability, most polyphenols proved significant biological effects which brought into attention the low bioavailability/high bioactivity paradox. In recent years, polyphenol metabolites have attracted great interest as many of them showed similar or higher intrinsic biological effects in comparison to the parent compounds. There is a huge body of literature reporting on the biological functions of polyphenol metabolites generated by phase I and phase II metabolic reactions and gut microbiota-mediated biotransformation. In this respect, the review highlights the pharmacokinetic fate of the major dietary polyphenols (resveratrol, curcumin, quercetin, rutin, genistein, daidzein, ellagitannins, proanthocyanidins) in order to further address the efficacy of biometabolites as compared to parent molecules. The present work strongly supports the contribution of metabolites to the health benefits of polyphenols, thus offering a better perspective in understanding the role played by dietary polyphenols in human health.
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Affiliation(s)
- Simon Vlad Luca
- Department of Pharmacognosy Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, Iasi, Romania.,Department of Pharmacognosy with Medicinal Plant Unit, Faculty of Pharmacy with Medical Analytics Division, Medical University of Lublin, Lublin, Poland
| | - Irina Macovei
- Department of Pharmacognosy Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, Iasi, Romania
| | - Alexandra Bujor
- Department of Pharmacognosy Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, Iasi, Romania
| | - Anca Miron
- Department of Pharmacognosy Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, Iasi, Romania
| | - Krystyna Skalicka-Woźniak
- Department of Pharmacognosy with Medicinal Plant Unit, Faculty of Pharmacy with Medical Analytics Division, Medical University of Lublin, Lublin, Poland
| | - Ana Clara Aprotosoaie
- Department of Pharmacognosy Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, Iasi, Romania
| | - Adriana Trifan
- Department of Pharmacognosy Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, Iasi, Romania
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Jana L, Maity PP, Perveen H, Dash M, Jana S, Dey A, De SK, Chattopadhyay S. Attenuation of utero-toxicity, metabolic dysfunction and inflammation by soy protein concentrate in rats exposed to fluoridated water: consequence of hyperlipidemia in parallel with hypohomocysteinemia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:36462-36473. [PMID: 30374712 DOI: 10.1007/s11356-018-3542-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 10/19/2018] [Indexed: 06/08/2023]
Abstract
Lipid peroxidation and ROS generation are the pathogenesis of chronic fluoride toxicity, and its detrimental effects on human reproduction are noted drastically. The aim of the present study was to elucidate the defensive effects of soy protein concentrate (SPC) against sodium fluoride (NaF)-induced uterine dysfunction at biochemical and histological level. Rats were randomly distributed into four groups as control, NaF-treated (200 ppm), and SPC co-administered groups (20 mg and 40 mg/ 100 g body weight) for 16 days. SPC reversed the toxic effects of NaF. SPC significantly ameliorated the NaF-induced alterations of the antioxidant system in the uterus by decreasing lipid peroxidation products and by increasing antioxidant activities. SPC significantly counteracted the adverse effects of NaF on serum level of lactate dehydrogenase (LDH) and inflammatory markers Interleukin-6 (IL-6), tumor necrosis factor alpha (TNF-α) and nuclear factor kappa-B (NF-κB). Our results also explored that lipid profile was meaningfully altered due to NaF and also focused a diminution of circulating homocysteine (Hcy) and altered lipid profiles along with a diminished quantity of serum B12 and B9. However, both the doses of SPC reverted back serum levels of B12, B9, and Hcy status in similar fashion along with its corrective action on lipid profile. NaF-treated group exhibited a marked degree of reduction in the weights of ovary and uterus with an alteration of normal tissue histology and significant diminution in serum estradiol (ES) levels without fluctuating uterine estradiol receptor-α (ER-α). However, SPC restored the normal tissue histoarchitecture and also increased the functional efficiency and expression of the ER-α receptor by overturning the ES levels in NaF-treated rats. Moreover, both the doses of SPC were effective against NaF-induced alterations, although 40 mg SPC/100 g body weight had better efficacy in ameliorating the NaF-induced adverse effects on the uterus and ovary.
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Affiliation(s)
- Lipirani Jana
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Pikash Pratim Maity
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Hasina Perveen
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Moumita Dash
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Suryashis Jana
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Arindam Dey
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Subrata Kumar De
- Department of Zoology, Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Sandip Chattopadhyay
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India.
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Hajirahimkhan A, Mbachu O, Simmler C, Ellis SG, Dong H, Nikolic D, Lankin DC, van Breemen RB, Chen SN, Pauli GF, Dietz BM, Bolton JL. Estrogen Receptor (ER) Subtype Selectivity Identifies 8-Prenylapigenin as an ERβ Agonist from Glycyrrhiza inflata and Highlights the Importance of Chemical and Biological Authentication. JOURNAL OF NATURAL PRODUCTS 2018; 81:966-975. [PMID: 29641206 PMCID: PMC5928484 DOI: 10.1021/acs.jnatprod.7b01070] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Postmenopausal women are increasingly using botanicals for menopausal symptom relief due to the increased breast cancer risk associated with traditional estrogen therapy. The deleterious effects of estrogens are associated with estrogen receptor (ER)α-dependent proliferation, while ERβ activation could enhance safety by opposing ERα effects. Three medicinal licorice species, Glycyrrhiza glabra ( G. glabra), G. uralensis, and G. inflata, were studied for their differential estrogenic efficacy. The data showed higher estrogenic potency for G. inflata in an alkaline phosphatase induction assay in Ishikawa cells (ERα) and an estrogen responsive element (ERE)-luciferase assay in MDA-MB-231/β41 breast cancer cells (ERβ). Bioassay-guided fractionation of G. inflata led to the isolation of 8-prenylapigenin (3). Surprisingly, a commercial batch of 3 was devoid of estrogenic activity. Quality control by MS and qNMR revealed an incorrect compound, 4'- O-methylbroussochalcone B (10), illustrating the importance of both structural and purity verification prior to any biological investigations. Authentic and pure 3 displayed 14-fold preferential ERβ agonist activity. Quantitative analyses revealed that 3 was 33 times more concentrated in G. inflata compared to the other medicinal licorice extracts. These data suggest that standardization of G. inflata to 3 might enhance the safety and efficacy of G. inflata supplements used for postmenopausal women's health.
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Affiliation(s)
- Atieh Hajirahimkhan
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Obinna Mbachu
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Charlotte Simmler
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Sarah G. Ellis
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Huali Dong
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Dejan Nikolic
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - David C. Lankin
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Richard B. van Breemen
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Shao-Nong Chen
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Guido F. Pauli
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Birgit M. Dietz
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
| | - Judy L. Bolton
- UIC/NIH
Center for Botanical Dietary Supplements Research and Center for Natural
Product Technologies (CENAPT), Department of Medicinal Chemistry and
Pharmacognosy, College of Pharmacy, M/C 781, University of Illinois at Chicago, 833 South Wood Street, Chicago, Illinois 60612-7231, United States
- E-mail (J. L. Bolton): . Tel: +1 (312) 996-5280. Fax: +1 (312) 996-7107
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