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Apigenin

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https://www.readbyqxmd.com/read/28449181/metabolite-profile-and-antiproliferative-effects-in-hacat-cells-of-a-salix-reticulata-extract
#1
Elisabetta Corradi, Nadine Schmidt, Nathalie Räber, Maria De Mieri, Matthias Hamburger, Veronika Butterweck, Olivier Potterat
Phenolic constituents of Salix reticulata (Salicaceae) and antiproliferative activity of an extract and individual compounds were investigated in immortalized human non-tumorigenic keratinocytes (HaCaT). A MeOH extract from aerial parts afforded several flavonoids, including luteolin and apigenin glycosides (2-5 and 9) and catechin (1), two procyanidin fractions, and the phenolic glucosides picein (6), triandrin (7), and salicortin (8). In an adenosine triphosphate assay, the MeOH extract reduced cell viability by approximately 60 % at a concentration of 100 µg/mL...
April 27, 2017: Planta Medica
https://www.readbyqxmd.com/read/28443590/effects-of-apigenin-on-experimental-ischemia-reperfusion-injury-in-the-rat-ovary
#2
Zeynep Soyman, Sefa Kelekçi, Veysel Sal, Osman Şevket, Nihan Bayındır, Hafize Uzun
BACKGROUND: Apigenin, is a plant-derived compound belonging to flavone class, possess antioxidant, free radical scavenging and anti-inflammatory manners. AIMS: This paper aims to address effects of apigenin upon serum antimüllerian hormone (AMH) levels, tissue oxidative stress parameters and histopathological changes in ovarian ischemia/reperfusion (I/R) injury. STUDY DESIGN: Animal experiment. METHODS: Twenty eight female Wistar albino rats have been separated to four sections in a random way: Sham operation (Group 1), I/R plus saline (Group 2), I/R plus dimethyl sulfoxide (Group 3) and I/R plus apigenin (Group 4)...
April 13, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28443516/synergistic-effect-of-graphene-oxide-coated-nanotised-apigenin-with-paclitaxel-go-na-ptx-a-ros-dependent-mitochondrial-mediated-apoptosis-in-ovarian-cancer
#3
Manish Kumar Pal, Shyam Pyari Jaiswar, Ashish Dwivedi, Shruti Goyal, Vinay Nand Dwivedi, Anumesh Kumar Pathak, Vinod Kumar, Pushp Lata Sankhwar, Ratan Singh Ray
Ovarian cancer is most lethal among all gynecologic malignancies. Paclitaxel (PTX) is well used chemotherapeutic regimen for cancer control; however its undesired toxicity has been always a matter of concern for clinicians. Here we used the graphene oxide coated nanotised apigenin (GO-NA) as chemo sensitizing agent to enhance the efficacy of paclitaxel to overcome the limitations of chemotherapy. GO and GO-Apigenin was prepared by modified Hummers method and the nanoparticles were characterized by dynamic light scattering and transmission electron microscopy Human ovarian adenocarcinomas (SKOV-3) cells was treated by DMSO, Group I (Control)-McCoy's 5A Medium, Group II-Paclitaxel (5nM) alone, Group III- Nanotised Apigenin (GO-NA-10μM) Group IV- Paclitaxel (5nM) + GO-NA (10μM)...
April 24, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28441391/apigenin-inhibits-tnf%C3%AE-il-1%C3%AE-induced-ccl2-release-through-ikbk-epsilon-signaling-in-mda-mb-231-human-breast-cancer-cells
#4
David Bauer, Natalie Redmon, Elizabeth Mazzio, Karam F Soliman
Mortality associated with breast cancer is attributable to aggressive metastasis, to which TNFα plays a central orchestrating role. TNFα acts on breast tumor TNF receptors evoking the release of chemotactic proteins (e.g. MCP-1/CCL2). These proteins direct inward infiltration/migration of tumor-associated macrophages (TAMs), tumor-associated neutrophils (TANs), myeloid-derived suppressor cells (MDSCs), T-regulatory cells (Tregs), T helper IL-17-producing cells (Th17s), metastasis-associated macrophages (MAMs) and cancer-associated fibroblasts (CAFs)...
2017: PloS One
https://www.readbyqxmd.com/read/28433497/clostridium-difficile-toxin-glucosyltransferase-domains-in-complex-with-a-non-hydrolyzable-udp-glucose-analogue
#5
Joseph W Alvin, D Borden Lacy
Clostridium difficile is the leading cause of hospital-acquired diarrhea and pseudomembranous colitis worldwide. The organism produces two homologous toxins, TcdA and TcdB, which enter and disrupt host cell function by glucosylating and thereby inactivating key signalling molecules within the host. As a toxin-mediated disease, there has been a significant interest in identifying small molecule inhibitors of the toxins' glucosyltransferase activities. This study was initiated as part of an effort to identify the mode of inhibition for a small molecule inhibitor of glucosyltransferase activity called apigenin...
April 19, 2017: Journal of Structural Biology
https://www.readbyqxmd.com/read/28431483/bioassay-guided-isolation-identification-of-compounds-from-origanum-rotundifolium-and-investigation-of-their-antiproliferative-and-antioxidant-activities
#6
Ramazan Erenler, Bilal Meral, Ozkan Sen, Mahfuz Elmastas, Ali Aydin, Ozgur Eminagaoglu, Gulacti Topcu
CONTEXT: Origanum (Lamiaceae) has been used in food and pharmaceutical industries. OBJECTIVE: Isolation and identification of bioactive compounds from Origanum rotundifolium Boiss. and investigation of their antiproliferative and antioxidant activities. MATERIALS AND METHODS: The aerial part of O. rotundifolium was dried and powdered (1.0 kg ±2.0 g) then extracted with hexane, ethyl acetate, methanol and water. Solvent (3 × 1 L) was used for each extraction for a week at room temperature...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28427292/chemical-analyses-and-in-vitro-and-in-vivo-toxicity-of-fruit-methanol-extract-of-sechium-edule-var-nigrum-spinosum
#7
Itzen Aguiñiga-Sánchez, Jorge Cadena-Íñiguez, Edelmiro Santiago-Osorio, Guadalupe Gómez-García, Víctor Manuel Mendoza-Núñez, Juana Rosado-Pérez, Mirna Ruíz-Ramos, Víctor Manuel Cisneros-Solano, Edgar Ledesma-Martínez, Angel de Jesus Delgado-Bordonave, Ramón Marcos Soto-Hernández
CONTEXT: Sechium edule (Jacq.) Sw. (Cucurbitaceae) is used in ethnomedicine, but the diversity of the varietal groups of this species has not often been considered. This is important because we previously reported that different variety of species exhibit different activities across different tumor cell lines. OBJECTIVE: This study investigates the chemical composition and biological activities of extracts obtained from S. edule var. nigrum spinosum. MATERIALS AND METHODS: The leukemia P388 cell line and mononuclear bone marrow cells (MNCBMs) were treated with the extract at a concentration ranging from 40 to 2370 μg/mL for cytotoxicity and viability assays...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28423637/apigenin-inhibits-renal-cell-carcinoma-cell-proliferation
#8
Shuai Meng, Yi Zhu, Jiang-Feng Li, Xiao Wang, Zhen Liang, Shi-Qi Li, Xin Xu, Hong Chen, Ben Liu, Xiang-Yi Zheng, Li-Ping Xie
Apigenin, a natural flavonoid found in vegetables and fruits, has antitumor activity in several cancer types. The present study evaluated the effects and mechanism of action of apigenin in renal cell carcinoma (RCC) cells. We found that apigenin suppressed ACHN, 786-0, and Caki-1 RCC cell proliferation in a dose- and time-dependent manner. A comet assay suggested that apigenin caused DNA damage in ACHN cells, especially at higher doses, and induced G2/M phase cell cycle arrest through ATM signal modulation...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422509/%C3%AE-glucosidase-inhibitors-from-salvia-circinata
#9
Laura Flores-Bocanegra, Martin González-Andrade, Robert Bye, Edelmira Linares, Rachel Mata
A dried infusion prepared from the aerial parts of Salvia circinata did not provoke acute toxicity in mice (LD50 > 5 g/kg). This infusion showed poor hypoglycemic and antihyperglycemic effects (100-570 mg/kg) when tested in normal and hyperglycemic mice using acute and oral glucose tolerance tests, respectively. However, this infusion possessed antihyperglycemic action in vivo during an oral sucrose tolerance test (31.6-316 mg/kg), suggesting the presence of α-glucosidase inhibitors in S. circinata. Fractionation of a nonpolar extract of the aerial parts of the plant yielded a new biflavone (1) and four new neoclerodane diterpenoid glucosides (2-5) along with the known compounds amarisolide (6), pedalitin (7), apigenin-7-O-β-d-glucoside (8), and the flavone 2-(3,4-dimethoxyphenyl)-5,6-dihydroxy-7-methoxy-4H-chromen-4-one (9)...
April 19, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28422384/natural-antioxidant-flavonoids-in-formalin-induced-mice-paw-inflammation-inhibition-of-mitochondrial-sorbitol-dehydrogenase-activity
#10
Ebtehal Mohammad F, Wedad A Hasan, Eman G Mohamed
Flavonoids have reported to cover interesting multiple pharmacological properties. This study evaluated the effect of apigenin or silymarin in paw inflammation induced by formalin in mice. Mice were divided into four groups: I: positive control group; II: apigenin, 3 mg/kg (i.p.); III: silymarin 50 mg/kg (p.o.); IV: meloxicam 10 mg/kg (p.o.), the reference drug. Therapies were administered once a day for 7 days. The curative effects were assessed on inflammatory, oxidative stress and neurotransmitter biomarkers, and apoptosis...
April 19, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28421122/potential-antitumor-activity-and-apoptosis-induction-of-glossostemon-bruguieri-root-extract-against-hepatocellular-carcinoma-cells
#11
Mona S Alwhibi, Mahmoud I M Khalil, Mohamed M Ibrahim, Gehan A El-Gaaly, Ahmed S Sultan
Glossostemon bruguieri (moghat) is used as a nutritive and demulcent drink. This study was performed to investigate the antiproliferative effects of moghat root extract (MRE) and its apoptotic mechanism in hepatocellular carcinoma (HCC) cells, HepG2 and Hep3B. MTT assay, morphological changes, apoptosis enzyme linked immunosorbent assay, caspase and apoptotic activation, flow cytometry, and immunoblot analysis were employed. The IC50 of MRE for HepG2 (910 ± 6 μg/ml) and for Hep3B (1510 ± 5 μg/ml) induced significant growth-inhibitory effects against HCC cells, with no cytotoxic effect on normal hepatocytes...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28414138/apigenin-a-modulator-of-ppar%C3%AE-attenuates-hfd-induced-nafld-by-regulating-hepatocyte-lipid-metabolism-and-oxidative-stress-via-nrf2-activation
#12
Xiujing Feng, Wen Yu, Xinda Li, Feifei Zhou, Wenlong Zhang, Qi Shen, Jianxin Li, Can Zhang, Pingping Shen
Lipid metabolic disorders and oxidative stress in the liver are key steps in the progression of nonalcoholic fatty liver disease (NAFLD), which is a major risk factor for the development of metabolic syndrome. To date, no pharmacological treatment for this condition has been approved. Our previous study has found that the food-derived compound apigenin (Api) significantly attenuates obesity-induced metabolic syndrome by acting as a peroxisome proliferator-activated receptor gamma modulator (PPARM). Herein, a high fat diet (HFD) induced NAFLD model was used to dig out whether Api had the effect on NAFLD...
April 13, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28408212/application-of-molecular-imaging-technology-in-evaluating-the-inhibiting-effect-of-apigenin-in%C3%A2-vivo-on-subcutaneous-hepatocellular-carcinoma
#13
Gang Li, Chong-Wei Chi, Xian-Fang Shao, Chi-Hua Fang
The aim of this study was to evaluate the inhibiting effect of apigenin on liver cancer in vivo based on the optical molecular imaging method. Subcutaneous liver tumor models were established using respective 1 × 10(6) firefly luciferase (fLuc) and green fluorescent protein (GFP) labeled human hepatocellular carcinoma cells (HepG2-fLuc and HepG2-GFP cells) in 20 BALB/c nude mice which were randomly divided into two groups, 10 in each group. After the tumor cells were implanted 15 days, apigenin was administered through intraperitoneal injection in group B, the other ten mice as control group A...
May 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28402147/solubility-and-dissolution-rate-improvement-of-the-inclusion-complex-of-apigenin-with-2-hydroxypropyl-%C3%AE-cyclodextrin-prepared-using-the-liquid-antisolvent-precipitation-and-solvent-removal-combination-methods
#14
Weiwei Wu, Yuangang Zu, Xiuhua Zhao, Xinxin Zhang, Lingling Wang, Yuanyuan Li, Li Wang, Yin Zhang, Bolin Lian
Apigenin (AP) has many pharmacological activities. AP has poor solubility in some solvents. AP is insoluble in water and slightly soluble in ethanol (1.93 mg/mL). It has limited application and exploitation. Therefore, the liquid antisolvent precipitation (LAP) method was applied to improve the solubility of AP in ethanol by changing its crystal form or producing ultra-fine particles. Then, the inclusion complex of AP with 2-Hydroxypropyl-β-cyclodextrin (HP-β-CD) is prepared using the solvent removal method...
April 12, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28396216/assessment-of-the-potential-activity-of-major-dietary-compounds-as-selective-estrogen-receptor-modulators-in-two-distinct-cell-models-for-proliferation-and-differentiation
#15
Sylvain Lecomte, Marie Lelong, Gaëlle Bourgine, Theo Efstathiou, Christian Saligaut, Farzad Pakdel
Estrogen receptors (ERs) α and β are distributed in most tissues of women and men. ERs are bound by estradiol (E2), a natural hormone, and mediate the pleiotropic and tissue-specific effects of E2, such as proliferation of breast epithelial cells or protection and differentiation of neuronal cells. Numerous environmental molecules, called endocrine disrupting compounds, also interact with ERs. Phytoestrogens belong to this large family and are considered potent therapeutic molecules that act through their selective estrogen receptor modulator (SERM) activity...
April 7, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28389404/protective-role-of-apigenin-on-rotenone-induced-rat-model-of-parkinson-s-disease-suppression-of-neuroinflammation-and-oxidative-stress-mediated-apoptosis
#16
Chandran Anusha, Thangarajan Sumathi, Leena Dennis Joseph
Parkinson's disease (PD) is a neurodegenerative disorder characterized by the loss of dopaminergic neurons in the substantia nigra which is associated with oxidative stress, neuroinflammation and apoptosis. Apigenin (AGN), a non-mutagenic flavone found in fruits and vegetables, exhibits a variety of biological effects including anti-apoptotic, anti-inflammatory, and free radical scavenging activities. The current study was aimed to investigate the neuroprotective effects and molecular mechanisms of AGN in a rat model of PD induced by rotenone (ROT)...
May 1, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28381178/mir-423-5p-knockdown-enhances-the-sensitivity-of-glioma-stem-cells-to-apigenin-through-the-mitochondrial-pathway
#17
Yi Wan, Xifeng Fei, Zhimin Wang, Dongyi Jiang, Hanchun Chen, Mian Wang, Shijun Zhou
This study aimed to investigate the effect of miR-423-5p on the sensitivity of glioma stem cells to apigenin and to explore the potential mechanism. Previous research indicated that apigenin can effectively inhibit the proliferation of many cancer cells, including glioma cells, though our data unexpectedly showed that apigenin had no effect on glioma stem cell apoptosis. As many studies have reported that malignant transformation and progression of glioma are due to glioma stem cells, an anti-glioma stem cell approach has become an important direction for glioma treatment...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28378188/apigenin-suppresses-the-senescence-associated-secretory-phenotype-and-paracrine-effects-on-breast-cancer-cells
#18
Kevin M Perrott, Christopher D Wiley, Pierre-Yves Desprez, Judith Campisi
Apigenin (4',5,7,-trihydroxyflavone) is a flavonoid found in certain herbs, fruits, and vegetables. Apigenin can attenuate inflammation, which is associated with many chronic diseases of aging. Senescent cells-stressed cells that accumulate with age in mammals-display a pro-inflammatory senescence-associated secretory phenotype (SASP) that can drive or exacerbate several age-related pathologies, including cancer. Flavonoids, including apigenin, were recently shown to reduce the SASP of a human fibroblast strain induced to senesce by bleomycin...
April 4, 2017: GeroScience
https://www.readbyqxmd.com/read/28377794/antioxidant-cytotoxic-and-toxic-activities-of-propolis-from-two-native-bees-in-brazil-scaptotrigona-depilis-and-melipona-quadrifasciata-anthidioides
#19
Thaliny Bonamigo, Jaqueline Ferreira Campos, Tamaeh Monteiro Alfredo, José Benedito Perrella Balestieri, Claudia Andrea Lima Cardoso, Edgar Julian Paredes-Gamero, Kely de Picoli Souza, Edson Lucas Dos Santos
Propolis is a natural mixture of compounds produced by various bee species, including stingless bees. This compound has been shown to exhibit antioxidant, antiproliferative, and antitumor activities. The present study aimed to determine the chemical constituents as well as the antioxidant, cytotoxic, and toxic activities of ethanol extracts of propolis obtained from the stingless bees Scaptotrigona depilis and Melipona quadrifasciata anthidioides, which are found in Brazil. Phytosterols, terpenes, phenolic compounds, and tocopherol were identified in the ethanol extracts of propolis (EEPs) in different concentrations...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28375162/the-protective-effect-of-apigenin-on-myocardial-injury-in-diabetic-rats-mediating-activation-of-the-ppar-%C3%AE-pathway
#20
Umesh B Mahajan, Govind Chandrayan, Chandragouda R Patil, Dharamvir Singh Arya, Kapil Suchal, Yogeeta O Agrawal, Shreesh Ojha, Sameer N Goyal
We substantiated the role of peroxisome proliferator-activated receptor-γ (PPAR-γ) activation in the protective effect of apigenin against the myocardial infarction (MI) in diabetic rats. Diabetes was induced by intraperitoneal administration of a single dose of streptozotocin (55 mg/kg). The study groups included diabetic rats receiving vehicle, apigenin (75 mg/kg/day, orally), GW9662 (1 mg/kg/day, intraperitoneally), and a combination of apigenin and GW9662 for 14 days. The MI was induced in all the study groups except the diabetic control group by subcutaneous injection of 100 mg/kg/day of isoproterenol on the two terminal days...
April 4, 2017: International Journal of Molecular Sciences
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