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chrysin and cancer

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https://www.readbyqxmd.com/read/29715320/deciphering-the-binding-behavior-of-flavonoids-to-the-cyclin-dependent-kinase-6-cyclin-d-complex
#1
Jingxiao Zhang, Lilei Zhang, Yangcheng Xu, Shanshan Jiang, Yueyue Shao
Flavonoids, a class of natural compounds with variable phenolic structures, have been found to possess anti-cancer activities by modulating different enzymes and receptors like CDK6. To understand the binding behavior of flavonoids that inhibit the active CDK6, molecular dynamics (MD) simulations were performed on six inhibitors, chrysin (M01), fisetin (M03), galangin (M04), genistein (M05), quercetin (M06) and kaempferol (M07), complexed with CDK6/cyclin D. For all six flavonoids, the 3'-OH and 4'-OH of B-ring were found to be favorable for hydrogen bond formation, but the 3-OH on the C-ring and 5-OH on the A-ring were unfavorable, which were confirmed by the MD simulation results of the test molecule, 3', 4', 7-trihydroxyflavone (M15)...
2018: PloS One
https://www.readbyqxmd.com/read/29693804/synergistic-growth-inhibitory-effects-of-chrysin-and-metformin-combination-on-breast-cancer-cells-through-htert-and-cyclin-d1-suppression
#2
Sara Rasouli, Nosratollah Zarghami
Objective: To explore the possibility of a novel chemopreventive strategy for improving breast cancer treatment, the anticancer effects of a combination two natural compounds, Chrysin and Metformin, against T47D breast cancer cells were investigated. Materials and Methods: After treatment of T47D cells with Metformin, Chrysin and the two drugs in combination, toxicity to cancer cells was evaluated by MTT assay. Real time PCR was then used to determine the expression levels of hTERT and cyclin D1 genes. Results: The MTT test findings showed that the combination of metformin and chrysin had high synergistic effects in killing cancer cells...
April 25, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29681859/constituents-of-propolis-chrysin-caffeic-acid-p-coumaric-acid-and-ferulic-acid-induce-prodh-pox-dependent-apoptosis-in-human-tongue-squamous-cell-carcinoma-cell-cal-27
#3
Katarzyna Celińska-Janowicz, Ilona Zaręba, Urszula Lazarek, Joanna Teul, Michał Tomczyk, Jerzy Pałka, Wojciech Miltyk
Propolis evokes several therapeutic properties, including anticancer activity. These activities are attributed to the action of polyphenols. Previously it has been demonstrated, that one of the most abundant polyphenolic compounds in ethanolic extracts of propolis are chrysin, caffeic acid, p -coumaric acid, and ferulic acid. Although their pro-apoptotic activity on human tongue squamous cell carcinoma cells (CAL-27) was established previously, the detailed mechanism of this process remains unclear. Considering the crucial role of proline metabolism and proline dehydrogenase/proline oxidase (PRODH/POX) in the regulation of cancer cell survival/apoptosis, we studied these processes in polyphenol-treated CAL-27 cells...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29607740/effects-of-nano-encapsulated-curcumin-chrysin-on-telomerase-mmps-and-timps-gene-expression-in-mouse-b16f10-melanoma-tumour-model
#4
Fatemeh Tavakoli, Rana Jahanban-Esfahlan, Khaled Seidi, Masoumeh Jabbari, Ramezan Behzadi, Younes Pilehvar-Soltanahmadi, Nosratollah Zarghami
Due to the high rate of drug resistance among malignant melanoma cases, it seems necessary to introduce an efficient pharmaceutical approach to melanoma treatment. For this purpose, Curcumin (Cur) and Chrysin (Chr), two natural anti-cancers, were co-encapsulated in PLGA-PEG nanoparticles (NPs), characterized by DLS, FTIR and FE-SEM and investigated for their effects on MMPs, TIMPs and TERT genes expression in C57B16 mice bearing B16F10 melanoma tumours. The results showed that the expression of MMP-9, MMP-2 and TERT genes were significantly decreased in all treated groups compared to the control...
April 1, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29560796/synthesis-and-characterization-of-novel-p-hema-la-madquat-micelles-for-co-delivery-of-methotrexate-and-chrysin-in-combination-cancer-chemotherapy
#5
Soodabeh Davaran, Hamed Fazeli, Aliyeh Ghamkhari, Fariborz Rahimi, Ommoleila Molavi, Maryam Anzabi, Roya Salehi
A Novel poly [2-hydroxyethyl methacrylate-Lactide-dimethylaminoethyl methacrylate quaternary ammonium alkyl halide] [P(HEMA-LA-MADQUAT)] copolymer was synthesized through combination of ring opening polymerization (ROP) and 'free' radical initiated polymerization methods. This newly developed copolymer was fully characterized by FT-IR,1 HNMR and13 CNMR spectroscopy. Micellization of the copolymer was performed by dialysis membrane method and obtained micelles were characterized by FESEM, dynamic light scattering (DLS), zeta potential (ξ), and critical micelle concentration (CMC) measurements...
March 21, 2018: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/29477305/a-metabolomic-approach-to-identify-anti-hepatocarcinogenic-compounds-from-plants-used-traditionally-in-the-treatment-of-liver-diseases
#6
François Chassagne, Mohamed Haddad, Aurélien Amiel, Chiobouaphong Phakeovilay, Chanthanom Manithip, Geneviève Bourdy, Eric Deharo, Guillaume Marti
Liver cancer is a major health burden in Southeast Asia, and most patients turn towards the use of medicinal plants to alleviate their symptoms. The aim of this work was to apply to Southeast Asian plants traditionally used to treat liver disorders, a successive ranking strategy based on a comprehensive review of the literature and metabolomic data in order to relate ethnopharmacological relevance to chemical entities of interest. We analyzed 45 publications resulting in a list of 378 plant species, and our point system based on the frequency of citation in the literature allowed the selection of 10 top ranked species for further collection and extraction...
February 23, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29383946/nanoscale-modification-of-chrysin-for-improved-of-therapeutic-efficiency-and-cytotoxicity
#7
Ghassan M Sulaiman, Majid S Jabir, Anaheed H Hameed
Chrysin, as a flavone, is a promising drug candidate because of its multifaceted properties, such as anti-inflammatory, antioxidant and anticancer. However, its poor bioavailability is a bottleneck for pharmaceutical applications. To enhance the bioactive effects, chrysin-loaded poly (D,L-lactic-co-glycolic acid) and polyvinyl alcohol were successfully prepared to overcome problems associated with chrysin. The properties of modified nanochrysin were analysed by in vitro dissolution study, XRD, FTIR and SEM...
January 31, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29381880/correction-synergistic-effect-of-free-and-nano-encapsulated-chrysin-curcumin-on-inhibition-of-htert-gene-expression-in-sw480-colorectal-cancer-cell-line
#8
Raana Bagheri, Zohreh Sanaat, Nosratollah Zarghami
No abstract text is available yet for this article.
January 30, 2018: Drug Research
https://www.readbyqxmd.com/read/29352974/chrysin-a-natural-and-biologically-active-flavonoid-suppresses-tumor-growth-of-mouse-b16f10-melanoma-cells-in-vitro-and-in-vivo-study
#9
Aïcha Sassi, Mouna Maatouk, Dorra El Gueder, Imen Mokdad Bzéouich, Saïda Abdelkefi-Ben Hatira, Saloua Jemni-Yacoub, Kamel Ghedira, Leila Chekir-Ghedira
Chrysin (5,7-dihydroxyflavone) is a natural and biologically active compound which has many biological activities as an anticancer agent. The current report is aimed at finding out whether the antitumor potential of chrysin, evidenced in vitro and in vivo, is linked or not to its effect on immunological mechanisms of melanoma-bearing mice. Chrysin-treated B16F10 cells were analyzed for their metabolic rate and apoptotic potentials. In vivo, BALB/c mice received a subcutaneous injection of B16F10 melanoma cells prior to antitumor treatments with chrysin (50 mg/kg b...
March 1, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29244711/flavonoids-and-ellagitannins-characterization-antioxidant-and-cytotoxic-activities-of-phyllanthus-acuminatus-vahl
#10
Mirtha Navarro, Ileana Moreira, Elizabeth Arnaez, Silvia Quesada, Gabriela Azofeifa, Felipe Vargas, Diego Alvarado, Pei Chen
The phenolic composition of leaves from Phyllanthus acuminatus L., a plant commonly used in Costa Rica as traditional medicine, was studied using UPLC-ESI-MS on an enriched phenolic extract. A total of 20 phenolic compounds were identified, comprising eight flavonoids (two flavanones-pinocembrin isomers and six derivatives from apigenin, chrysin, quercetin, and kaempferol); seven ellagitannins, two flavan-3-ols (prodelphinidin B dimer and (epi)gallocatechin); and three phenolic acids (ellagic acid, trimethylellagic acid, and ferulic acid)...
December 15, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29116937/synthesis-and-biological-evaluation-of-acyl-derivatives-of-hydroxyflavones-as-potent-antiproliferative-agents-against-drug-resistance-cell-lines
#11
Monika Stompor, Marta Świtalska, Joanna Wietrzyk
The synthesis of hydroxyflavone derivatives is described. The acyl derivatives of 3-, 6-, 7-hydroxyflavones (compounds 2, 4, 6, respectively) and chrysin (5,7-dihydroxyflavone, 7) were obtained in high yields and evaluated in vitro for their cytotoxic activity against several cancer cell lines of different origin: MCF-7 (breast cancer), A549 (nonsmall cell lung cancer), MES-SA (uterine sarcoma), LoVo (colon cancer), drug-resistant human cancer cells (MES-SA/DX5, LoVo/DX) and also towards non-cancer cell line MCF-10A (normal breast epithelial cells)...
January 26, 2018: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/29102848/characterization-of-non-covalent-binding-of-6-hydroxyflavone-and-5-7-dihydroxyflavone-with-bovine-hemoglobin-multi-spectroscopic-and-molecular-docking-analyses
#12
Sourav Das, Alka Karn, Rubi Sarmah, Mostofa Ataur Rohman, Sudipta Koley, Pooja Ghosh, Atanu Singha Roy
Flavonoids are biologically imperative compounds used as anti-oxidants, anti-cancer, anti-bacterial agents etc. The current work reports comprehensive binding studies of two important flavonoids, 6-hydroxyflavone and 5,7-dihydroxyflavone (chrysin) with bovine hemoglobin (BHb) at 298K and 308K, in aqueous medium using UV-vis spectroscopy, steady state fluorescence, circular dichroism (CD) measurements, Fourier Transform infrared spectroscopy (FT-IR) and molecular docking studies. Both 6-hydroxyflavone and chrysin can quench the intrinsic fluorescence intensity of BHb via static quenching mechanism...
January 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29101819/simultaneous-quantification-of-five-biflavonoids-in-rat-plasma-by-lc-esi-ms-ms-and-its-application-to-a-comparatively-pharmacokinetic-study-of-selaginella-doederleinii-hieron-extract-in-rats
#13
Bing Chen, Xuewen Wang, Yulian Zou, Weiying Chen, Gang Wang, Wensong Yao, Peiying Shi, Shaoguang Li, Shilan Lin, Xinhua Lin, Hong Yao
Selaginella doederleinii Hieron is a widely used as folk Chinese medicine for treatment of different cancers. Our previous investigations have confirmed that the total biflavonoids in ethyl acetate extract from S. doederleinii (SDEA) have favorable anticancer potentials. However, the in vivo process of its bioactive ingredients remains unknown. In this paper, a sensitive and reliable method was developed for simultaneous quantification of main five biflavonoids, including amentoflavone, robustaflavone, 2″,3″-dihydro-3',3″-biapigenin, 3',3″-binaringenin and delicaflavone in the ethyl acetate extract of S...
February 5, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29092670/protective-effects-of-chrysin-on-sub-acute-diazinon-induced-biochemical-hematological-histopathological-alterations-and-genotoxicity-indices-in-male-balb-c-mice
#14
Majid Zeinali, Naser Tayebi Meybodi, Seyed Abdolrahim Rezaee, Houshang Rafatpanah, Hossein Hosseinzadeh
Chrysin (CH) is a natural flavone which possesses antioxidant, anti-cancer, and anti-inflammatory properties. The aim of the present study was to investigate the effects of CH on biochemical parameters, histopathological changes, and genotoxicity and hematological indices in diazinon (DZN)-induced toxicity in BALB/c mice. We induced sub-acute toxicity in mice using DZN (20 mg/kg/day) and treated them with CH at the 12.5, 25, and 50 mg/kg/day five times/week in 28 days. In our study, DZN increased lipid profile and liver function tests (LFTs) and creatinine (Cr) but decreased the red blood cell acetylcholinesterase (RBC-AChE) activity and glucose level...
November 2, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/29083232/co-delivery-of-curcumin-and-chrysin-by-polymeric-nanoparticles-inhibit-synergistically-growth-and-htert-gene-expression-in-human-colorectal-cancer-cells
#15
Javid Lotfi-Attari, Younes Pilehvar-Soltanahmadi, Mehdi Dadashpour, Shahriar Alipour, Raana Farajzadeh, Shahrzad Javidfar, Nosratollah Zarghami
Nanoparticle (NP)-based combinational chemotherapy has been proposed as a potent approach for improving intracellular drug concentrations and attaining synergistic effects in colorectal cancer therapy. Here, two well-known herbal substances, Curcumin (Cur) and Chrysin (Chr), were co-encapsulated in PEGylated PLGA NPs and investigated their synergistic inhibitory effect against Caco-2 cancer cells. Characterization of nanoformulated drugs was determined using DLS, FTIR, TEM, and SEM. Drug release study was performed using dialysis method...
November 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28842248/two-cyp82d-enzymes-function-as-flavone-hydroxylases-in-the-biosynthesis-of-root-specific-4-deoxyflavones-in-scutellaria-baicalensis
#16
Qing Zhao, Meng-Ying Cui, Olesya Levsh, Dongfeng Yang, Jie Liu, Jie Li, Lionel Hill, Lei Yang, Yonghong Hu, Jing-Ke Weng, Xiao-Ya Chen, Cathie Martin
Baicalein, wogonin, and their glycosides are major bioactive compounds found in the medicinal plant Scutellaria baicalensis Georgi. These flavones can induce apoptosis in a variety of cancer cell lines but have no effect on normal cells. Furthermore, they have many additional benefits for human health, such as anti-oxidant, antiviral, and liver-protective properties. Here, we report the isolation and characterization of two CYP450 enzymes, SbCYP82D1.1 and SbCYP82D2, which function as the flavone 6-hydroxylase (F6H) and flavone 8-hydroxylase (F8H), respectively, in S...
January 8, 2018: Molecular Plant
https://www.readbyqxmd.com/read/28816359/chrysin-attenuates-progression-of-ovarian-cancer-cells-by-regulating-signaling-cascades-and-mitochondrial-dysfunction
#17
Whasun Lim, Soomin Ryu, Fuller W Bazer, Sung-Man Kim, Gwonhwa Song
Chrysin is mainly found in passion flowers, honey, and propolis acts as a potential therapeutic and preventive agent to inhibit proliferation and invasion of various human cancer cells. Although chrysin has anti-carcinogenic effects in several cancers, little is known about its functional roles in ovarian cancer which shows poor prognosis and chemoresistance to traditional therapeutic agents. In the present study, we investigated functional roles of chrysin in progression of ovarian cancer cells using ES2 and OV90 (clear cell and serous carcinoma, respectively) cell lines...
April 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28807161/phytochemical-modulation-of-apoptosis-and-autophagy-strategies-to-overcome-chemoresistance-in-leukemic-stem-cells-in-the-bone-marrow-microenvironment
#18
Helen C Owen, Sandra Appiah, Noor Hasan, Lucy Ghali, Ghada Elayat, Celia Bell
Advances in scientific research and targeted treatment regimes have improved survival rates for many cancers over the past few decades. However, for some types of leukemia, including acute lymphoblastic and acute myeloid leukemia, mortality rates have continued to rise, with chemoresistance in leukemic stem cells (LSCs) being a major contributing factor. Most cancer drug therapies act by inducing apoptosis in dividing cells but are ineffective in targeting quiescent LSCs. Niches in the bone marrow, known as leukemic niches, behave as "sanctuaries" where LSCs acquire drug resistance...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28684738/mechanistic-clues-to-the-protective-effect-of-chrysin-against-doxorubicin-induced-cardiomyopathy-plausible-roles-of-p53-mapk-and-akt-pathways
#19
Eman M Mantawy, Ahmed Esmat, Wesam M El-Bakly, Rania A Salah ElDin, Ebtehal El-Demerdash
Doxorubicin (DOX) is the mainstay chemotherapeutic agent against a variety of human neoplasmas. However, its clinical utility is limited by its marked cardiotoxicity. Chrysin, is a natural flavone which possesses antioxidant, anti-inflammatory and anti-cancer properties. The current study aimed to investigate the potential protective effect of chrysin against DOX-induced chronic cardiotoxicity and the underlying molecular mechanisms. Male Sprague-Dawley rats were treated with either DOX (5 mg/kg, once a week) and/or chrysin (50 mg/kg, four times a week) for four weeks...
July 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28628924/chrysin-alters-micrornas-expression-levels-in-gastric-cancer-cells-possible-molecular-mechanism
#20
Farideh Mohammadian, Younes Pilehvar-Soltanahmadi, Shahriar Alipour, Mehdi Dadashpour, Nosratollah Zarghami
Background Gastric carcinoma still remains the second most common cause of cancer mortality in the world. Chrysin, as a flavone, has showed cancer chemopreventive activity. The cellular and molecular mechanisms of chrysin in cancer cells have not been fully understood. Objective In this study, we investigate expression levels of let-7a, miR-9, mir-18a, miR-21, miR-22, miR-34a, miR-126 and mir-221 to describe the anti-cancer effects of chrysin. Materials and Methods The cytotoxic effects of chrysin were assessed using MTT assay...
September 2017: Drug Research
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