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https://www.readbyqxmd.com/read/28063211/nmr-metabolomics-investigates-the-influence-of-flavonoid-enriched-rations-on-chicken-plasma
#1
Charalambos Fotakis, Dimitra Z Lantzouraki, Michael Goliomytis, Panagiotis E Simitzis, Maria Charismiadou, Stelios G Deligeorgis, Panagiotis Zoumpoulakis
The use of flavonoids as dietary supplements is well established, mainly due to their intense antioxidant and anti-inflammatory properties. In the present study, hesperidin, naringin, and vitamin E were used as additives at different concentrations in poultry rations in order to achieve meat of improved quality. NMR metabolomics was applied to chicken blood serum samples to discern whether and how the enriched rations affected the animals’ metabolic profile. Variations in the metabolic patterns according to sustenance consumption were traced by orthogonal projections to latent structures discriminant analysis (OPLS-DA) models and were attributed to specific metabolites by using S-line plots...
January 7, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28032362/prioritizing-pharmacokinetic-drug-interaction-precipitants-in-natural-products-application-to-oatp-inhibitors-in-grapefruit-juice
#2
Emily J Johnson, Christina S Won, Kathleen Köeck, Mary F Paine
Natural products, including botanical dietary supplements and exotic drinks, represent an ever-increasing share of the health care market. The parallel ever-increasing popularity of self-medicating with natural products increases the likelihood of co-consumption with conventional drugs, raising concerns for unwanted natural product-drug interactions. Assessing the drug interaction liability of natural products is challenging due to the complex and variable chemical composition inherent to these products, necessitating a streamlined preclinical testing approach to prioritize precipitant individual constituents for further investigation...
December 29, 2016: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/28025998/in-vitro-screening-of-radioprotective-properties-in-the-novel-glucosylated-flavonoids
#3
Hao Yu, Jeremy S Haskins, Cathy Su, Allison Allum, Alexis H Haskins, Victoria A Salinas, Shigeaki Sunada, Taisuke Inoue, Yasushi Aizawa, Mitsuru Uesaka, Takamitsu A Kato
Novel glucosyl flavonoids are developed by the addition of glucose to naturally occurring flavonoids. Flavonoids are known antioxidants that possess radioprotective properties. In order to investigate the radioprotective properties of novel glucosyl flavonoids, in vitro DNA double-strand breaks (DSBs) analysis was carried out. In the present study, Quercetin, Naringenin, and Hesperetin groups of flavonoids included in the natural and novel glucosyl 13 flavonoids were investigated. Flavonoids were mixed with Lambda DNA, and subsequently exposed to gamma‑rays...
November 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28025523/development-of-a-uplc-tq-ms-approach-for-the-determination-of-eleven-bioactive-components-in-haizao-yuhu-decoction-plus-minus-haizao-and-gancao-drug-combination-after-oral-administration-in-a-rat-model-of-hypothyroidism
#4
Yingchang Ma, Yang Zhang, Yuanjuan Zhai, Zhenhua Zhu, Ying Pan, Dawei Qian, Shulan Su, Xinsheng Fan, Jinao Duan
Haizao Yuhu Decoction (HYD) has been used for approximately 500 years and is well-known in Traditional Chinese Medicine for its efficacy in the treatment of thyroid-related diseases. In this study, a rapid liquid chromatography-tandem mass spectrometry method was developed for the determination of liquiritin, naringin, hesperidin, peimine, liquiritigenin, glycyrrhizic acid, bergapten, nobiletin, osthole, and glycyrrhetinic acid in rat plasma to investigate the pharmacokinetic profile of different HYD prescriptions in a rat model of hypothyroidism...
December 22, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28011192/naringin-alleviates-early-brain-injury-after-experimental-subarachnoid-hemorrhage-by-reducing-oxidative-stress-and-inhibiting-apoptosis
#5
Yuwei Han, Jingyuan Su, Xiujuan Liu, Yuan Zhao, Chenchen Wang, Xiaoming Li
This study aims to clarify the neuroprotective effect of naringin on early brain injury (EBI) following subarachnoid hemorrhage (SAH) and the possible mechanisms of naringin in the treatment of SAH. The endovascular puncture model was performed to induce SAH model in rats and the efficacy of 40mg/kg and 80mg/kg naringin were tested by intraperitoneally administration. SAH grade, neurological score, brain edema, blood-brain barrier permeability, the changes of oxidative stress related factors, apoptosis-related proteins, mitogen-activated protein kinase (MAPK) signaling pathway and neuronal morphology were detected to analyze the potential effect of naringin against SAH...
December 21, 2016: Brain Research Bulletin
https://www.readbyqxmd.com/read/27988309/naringenin-suppresses-edwardsiella-tarda-infection-in-gaks-cells-by-nana-sialidase-inhibition
#6
Sayaka Shinyoshi, Yuko Kamada, Koki Matsusaki, Petros Kingstone Chigwechokha, Supawan Tepparin, Kyosuke Araki, Masaharu Komatsu, Kazuhiro Shiozaki
Edwardsiella tarda (E. tarda) is a gram-negative bacterium, which causes Edwardsiellosis in aquaculture. Previous studies indicate that E. tarda NanA sialidase plays crucial roles in infection through the desialylation of glycoproteins in fish cells. On the other hand, 2-deoxy-2,3-dehydro-N-acetylneuraminic acid, classic sialidase inhibitor, negatively regulates E. tarda infection of goldfish scale GAKS cells. Here, to development the suppression model of E. tarda infection for aquaculture application, the possibility of NanA inhibitory activities in citrus phytochemicals was evaluated as citrus extracts have widely been used as a supplement in fish diets for the improvement of meat quality...
December 14, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27941619/black-crowberry-empetrum-nigrum-l-flavonoids-and-their-health-promoting-activity
#7
REVIEW
Tunde Jurikova, Jiri Mlcek, Sona Skrovankova, Stefan Balla, Jiri Sochor, Mojmir Baron, Daniela Sumczynski
Nowadays, much research attention is focused on underutilized berry crops due to the high antioxidant activity of fruits. Black crowberry (Empetrum nigrum L.) represents an important source of flavonols (quercetin, rutin, myricetin, naringenin, naringin, morin, and kaempferol) and anthocyanins. The fruit components could be utilised as natural colourants or as a part of functional foods and, because of the high antioxidant activity, the berries of black crowberry can be used in the treatment of diseases accompanied with inflammation, or as an effective antibacterial and antifungal remedy...
December 7, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27937032/effects-of-naringin-on-physical-fatigue-and-serum-mmp-9-concentration-in-female-rats
#8
Mohammad Zamanian, Mohammadreza Hajizadeh, Ali Shamsizadeh, Mohammad Moemenzadeh, Morteza Amirteimouri, Mohammad Elshiekh, Mohammad Allahtavakoli
CONTEXT: Oxidative stress has a critical role in the development of physical fatigue and activation of matrix metalloproteinases-9 (MMP-9). Naringin (Nar) is a bioflavonoid that has antioxidant activity and suppresses MMP-9 expression. OBJECTIVE: The present study evaluates the anti-fatigue activity of Nar on physical fatigue and serum MMP-9 concentration in rats. MATERIALS AND METHODS: Fifty female Wistar rats were randomly divided into five groups (n = 10); a control group, vehicle group and three Nar treatment groups...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/27935131/evaluation-of-interactions-between-raw264-7-macrophages-and-small-molecules-by-capillary-electrophoresis
#9
Feng-Qin Wang, Qiao-Qiao Li, Qian Zhang, Yin-Zhen Wang, Yuan-Jia Hu, Peng Li, Jian-Bo Wan, Feng-Qing Yang, Zhi-Ning Xia
In this study, the affinity interactions between RAW 264.7 macrophages and three small molecules including naringin, oleuropein and paeoniflorin were evaluated by affinity capillary electrophoresis (ACE), partial filling affinity capillary electrophoresis (PFACE) and frontal analysis capillary electrophoresis (FACE), respectively. The result indicated that ACE (varying concentrations of cell suspension were filled in the capillary as receptor) may not be suitable for the evaluation of interactions between cell and small molecules due to the high viscosity of cell suspension; PFACE can qualitatively evaluate the interaction, but the difference in viscosity between RAW264...
December 9, 2016: Electrophoresis
https://www.readbyqxmd.com/read/27904711/naringin-promotes-osteogenic-differentiation-of-bone-marrow-stromal-cells-by-up-regulating-foxc2-expression-via-the-ihh-signaling-pathway
#10
Fei-Xiang Lin, Shi-Xin Du, De-Zhong Liu, Qin-Xiao Hu, Guo-Yong Yu, Chu-Cheng Wu, Gui-Zhou Zheng, Da Xie, Xue-Dong Li, Bo Chang
Naringin is an active compound extracted from Rhizoma Drynariae, and studies have revealed that naringin can promote proliferation and osteogenic differentiation of bone marrow stromal cells (BMSCs). In this study, we explored whether naringin could promote osteogenic differentiation of BMSCs by upregulating Foxc2 expression via the Indian hedgehog (IHH) signaling pathway. BMSCs were cultured in basal medium, basal medium with naringin, osteogenic induction medium, osteogenic induction medium with naringin and osteogenic induction medium with naringin in the presence of the IHH inhibitor cyclopamine (CPE)...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27848901/herb-medicines-against-osteoporosis-active-compounds-relevant-biological-mechanisms
#11
Lei Wu, Zhuoyan Ling, Xueqin Feng, Caiping Mao, Zhice Xu
Osteoporosis is one of common bone disorders, affecting millions of people worldwide. Treatments of osteoporosis consist of pharmacotherapy and non-pharmacological interventions, such as mineral supplementation, lifestyle changes, and exercise programs. Due to the minimum side effects and favorable cost-effective therapeutic effects, herbal medicine has been widely applied in clinical practices for more than 2,000 years in China. Of the many traditional formulas reported for treating bone diseases, 4 single herbs namely (1) Herba Epimedii, (2) Rhizoma Drynariae, (3) Fructus Psoraleae, and (4) Cortex Eucommiae, are considered as the featured "Kidney-Yang" tonics, and frequently and effectively applied for preventing and treating osteoporosis...
November 16, 2016: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/27836465/naringin-regulates-glutamate-nitric-oxide-cgmp-pathway-in-ammonium-chloride-induced-neurotoxicity
#12
Arumugam Ramakrishnan, Natesan Vijayakumar, Mani Renuka
Naringin, plant bioflavonoid extracted mainly from grapefruit and other related citrus species. This study was designed to assess the neuroprotective effect of naringin on ammonium chloride (NH4Cl) induced hyperammonemic rats. Experimental hyperammonemia was induced by intraperitonial injection (i.p) of NH4Cl (100mg/kg body weight (b.w.)) thrice a week for 8 consecutive weeks. Hyperammonemic rats were treated with naringin (80mg/kg b.w.) via oral gavage. Naringin administration drastically restored the levels of blood ammonia, plasma urea, nitric oxide (NO), glutamate, glutamine, lipid peroxidation, lipid profile, activities of liver marker enzymes, antioxidant status and sodium/potassium-ATPase (Na(+)/K(+)-ATPase)...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27833010/naringin-promotes-fracture-healing-through-stimulation-of-angiogenesis-by-regulating-the-vegf-vegfr-2-signaling-pathway-in-osteoporotic-rats
#13
Nan Song, Zhihu Zhao, Xinlong Ma, Xiaolei Sun, Jianxiong Ma, Fengbo Li, Lei Sun, Jianwei Lv
Postmenopausal osteoporosis is characterized by a reduction in the number of sinusoidal and arterial capillaries in the bone marrow and reduced bone perfusion. Thus, osteogenesis and angiogenesis are coupled in the process of osteoporosis formation and fracture healing. Naringin is the main ingredient of the root Rhizoma Drynariae, a traditional Chinese medicine, and it has potential effects on promoting fracture healing. However, whether naringin stimulates angiogenesis in the process of bone healing is unclear...
January 5, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/27825627/post-acquisition-spectral-stitching-an-alternative-approach-for-data-processing-in-untargeted-metabolomics-by-uhplc-esi-hrms
#14
Eirini Baira, Eleni Siapi, Panagiotis Zoumpoulakis, Deligeorgis Stelios G, Alexios-Leandros Skaltsounis, Evagelos Gikas
INTRODUCTION: In the case of the MS-based metabolomics, the large number of false positives remains a fundamental issue. OBJECTIVE: The aim of this study was to develop a new strategy, which highlights the number of the reliable features i.e. the detected features that correspond to a consistent peak according to chromatographic and mass spectrometric criteria. METHOD: For the analysis blood samples from 20 chickens, which were administrated with naringin and 9 samples from control, were analyzed by UHPLC-HRMS (Orbitrap Velos)...
October 24, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/27810393/metabolic-engineering-of-saccharomyces-cerevisiae-for-de-novo-production-of-dihydrochalcones-with-known-antioxidant-antidiabetic-and-sweet-tasting-properties
#15
Michael Eichenberger, Beata Joanna Lehka, Christophe Folly, David Fischer, Stefan Martens, Ernesto Simón, Michael Naesby
Dihydrochalcones are plant secondary metabolites comprising molecules of significant commercial interest as antioxidants, antidiabetics, or sweeteners. To date, their heterologous biosynthesis in microorganisms has been achieved only by precursor feeding or as minor by-products in strains engineered for flavonoid production. Here, the native ScTSC13 was overexpressed in Saccharomyces cerevisiae to increase its side activity in reducing p-coumaroyl-CoA to p-dihydrocoumaroyl-CoA. De novo production of phloretin, the first committed dihydrochalcone, was achieved by co-expression of additional relevant pathway enzymes...
January 2017: Metabolic Engineering
https://www.readbyqxmd.com/read/27808514/variation-in-key-flavonoid-biosynthetic-enzymes-and-phytochemicals-in-rio-red-grapefruit-citrus-paradisi-macf-during-fruit-development
#16
Priyanka R Chaudhary, Haejeen Bang, Guddadarangavvanahally K Jayaprakasha, Bhimanagouda S Patil
In the current study, the phytochemical contents and expression of genes involved in flavonoid biosynthesis in Rio Red grapefruit were studied at different developmental and maturity stages for the first time. Grapefruit were harvested in June, August, November, January, and April and analyzed for the levels of carotenoids, vitamin C, limonoids, flavonoids, and furocoumarins by HPLC. In addition, genes encoding for phenylalanine ammonia-lyase (PAL), chalcone synthase (CHS), chalcone isomerase (CHI), and 1,2-rhamnosyltransferase (2RT) were isolated, and their expression in grapefruit juice vesicles was studied...
November 30, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27771282/phytochemical-mediated-modulation-of-the-expression-and-transporter-function-of-breast-cancer-resistance-protein-at-the-blood-brain-barrier-an-in-vitro-study
#17
Manjit Kaur, Raj K S Badhan
Clinical translation of BCRP inhibitors have failed due to neurotoxicity and novel approaches are required to identify suitable modulators of BCRP to enhance CNS drug delivery. In this study we examine 18 compounds, primarily phytochemicals, as potential novel modulators of AhR-mediated regulation of BCRP expression and function in immortalised and primary porcine brain microvascular endothelial cells as a mechanism to enhance CNS drug delivery. The majority of modulators possessed a cellular viability IC50 > 100µM in both cell systems...
October 19, 2016: Brain Research
https://www.readbyqxmd.com/read/27760293/noncovalent-interactions-between-superoxide-dismutase-and-flavonoids-studied-by-native-mass-spectrometry-combined-with-molecular-simulations
#18
Xiaoyu Zhuang, Bing Zhao, Shu Liu, Fengrui Song, Fengchao Cui, Zhiqiang Liu, Yunqi Li
Misfolding and aggregation of Cu, Zn superoxide dismutase (SOD1) is implicated in the etiology of amyotrophic lateral sclerosis (ALS). The use of small molecules may stabilize the spatial structure of SOD1 dimer, thus, preventing its dissociation and aggregation. In this study, "native" mass spectrometry (MS) was used to study the noncovalent interactions between SOD1 and flavonoid compounds. MS experiments were performed on a quadruple time-of-flight (Q-ToF) mass spectrometer with an electrospray ionization (ESI) source and T-wave ion mobility...
December 6, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/27744636/identification-of-naringin-metabolites-in-human-urine-and-feces
#19
Xuan Zeng, Yang Bai, Wei Peng, Weiwei Su
BACKGROUND AND OBJECTIVES: Naringin, an active flavanone glycoside, has been widely considered as a prospective antitussive and expectorant. The present study aimed to elucidate the metabolic profile of naringin in the human body. METHODS: Four male and three female volunteers (20-30 years old and 18.8-21.7 kg/m(2) Body Mass Index) were orally administrated 320 mg naringin; their urine and feces were collected at different times and the corresponding metabolites were identified with a high resolution ultra-fast liquid chromatography-quadrupole-time-of-flight tandem mass spectrometry (UFLC-Q-TOF-MS/MS) system...
October 15, 2016: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/27739344/inhibition-of-periodontitis-induction-using-a-stimuli-responsive-hydrogel-carrying-naringin
#20
Po-Chun Chang, Yi-Chi Chao, Meng-Hsuan Hsiao, Hao-Syun Chou, Yi-Han Jheng, Xin-Hong Yu, Ning Lee, Connie Yang, Dean-Mo Liu
BACKGROUND: Developing a drug carrier with favorable handling characteristics that can respond to environmental changes following inflammation, such as pH changes, may be beneficial for treating periodontitis. This study aimed to investigate the preclinical feasibility of using naringin, a naturally derived polymethoxylated flavonoid compound with anti-inflammatory properties, to inhibit periodontitis induction via a thermo-gelling and pH-responsive injectable hydrogel. METHODS: The hydrogel was made of amphipathic carboxymethyl-hexanoyl chitosan (CHC), beta glycerol-phosphate (β-GP), and glycerol, and the thermo-gelling and pH-responsive characteristics of the hydrogel as well as the cell viability after treatment with the hydrogel containing naringin were evaluated in vitro...
October 14, 2016: Journal of Periodontology
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