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https://www.readbyqxmd.com/read/29782637/luteolin-ameliorates-rat-myocardial-ischemia-reperfusion-injury-through-peroxiredoxin-ii-activation
#1
Bo Wei, Qiao Lin, Ya-Ge Ji, Yi-Can Zhao, Li-Na Ding, Wen-Juan Zhou, Li-Hua Zhang, Chuan-Yu Gao, Wen Zhao
BACKGROUND AND PURPOSE: Antioxidants provide a promising therapeutic effect for the cardiovascular disease. Luteolin (LUT), a polyphenolic bioflavonoid, is known to confer cardioprotection, although the underlying mechanism, especially the role of LUT on the antioxidant enzymes (e.g. peroxiredoxin family, PRXs), remains elusive. EXPERIMENTAL APPROACH: The current study was designed to evaluate the impact of LUT on MI/R injury in vivo and in vitro, as well as the underlying mechanism with a focus on PRXs signaling...
May 21, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29708073/soy-isoflavones-and-their-effects-on-xenobiotic-metabolism
#2
Tianjiao Zhou, Chengzhen Meng, Pingli He
BACKGROUND: Soy isoflavones, such as genistein and daidzein, are bioflavonoids found in soy products that are able to interact with various hormones such as estrogen. Epidemiological studies reveal a proper level of isoflavones in diet can prevent many diseases like cancers or diabetes. Therefore, it is important to study the biotransformation and xenobiotic metabolism of soy isoflavones. METHODS: A systematic review of published studies was carried out to investigate the characterization of isoflavones and their metabolites, sample pretreatment and quantitative analysis of isoflavones, and the influence of soy isoflavones on drug and xenobiotic metabolism...
April 27, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29698678/citrus-bioflavonoids-possess-dipeptidyl-peptidase-4-inhibition-activity-similar-to-gliptin-antidiabetic-medication
#3
Ankit Gupta, Glenn A Jacobson, John R Burgess, Herbert F Jelinek, David S Nichols, Christian K Narkowicz, Hayder A Al-Aubaidy
This study demonstrates the Dipeptidyl peprtidase-4 (DPP-4) inhibition activity of citrus bioflavonoid nutraceuticals as compared to known gliptins. Citrus bioflavonoid standards and three commercially available citrus bioflavonoid supplements (Thompson's Super Bioflavonoid Complex® (SB), Ethical Nutrient Citrus Plus Vitamin C® (EN), and Country Life Citrus Bioflavonoid & Rutin® (CB)) were considered in this study. Ultra-performance liquid chromatography-mass spectrometry (UPLC-MS) analysis was undertaken to identify the citrus bioflavonoids present in each supplement and the DPP-4 inhibitory activity was determined using the DPP-4 fluorometric assay...
April 23, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29679855/rutin-and-rutin-conjugated-gold-nanoparticles-ameliorate-collagen-induced-arthritis-in-rats-through-inhibition-of-nf-%C3%AE%C2%BAb-and-inos-activation
#4
Anum Gul, Bimal Kunwar, Maryam Mazhar, Shaheen Faizi, Dania Ahmed, Muhammad Raza Shah, Shabana U Simjee
Numerous studies have suggested that nuclear factor-κB (NF-κB) and inducible nitric oxide synthase (iNOS) are important mediators of inflammatory response in human and animal models of arthritis. Besides, oxidative stress markers, nitric oxide (NO) and peroxide (PO) are also major contributors in the pathogenesis of rheumatoid arthritis (RA). Over expression of these inflammatory mediators leads to the extracellular matrix degradation, and excessive cartilage and bone resorption, ultimately leading to the irreversible damage to joints...
April 18, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29662304/chrysin-suppresses-proliferation-migration-and-invasion-in-glioblastoma-cell-lines-via-mediating-the-erk-nrf2-signaling-pathway
#5
Juan Wang, Handong Wang, Kangjian Sun, Xiaoliang Wang, Hao Pan, Jianhong Zhu, Xiangjun Ji, Xiang Li
Background: Chrysin, an active natural bioflavonoid, has been proven to protect against carcinogenesis. However, the role of chrysin in glioblastoma and the potential molecular mechanisms remain to be elucidated. In our previous study, we found that nuclear factor erythroid 2 (NF-E2)-related factor 2 (Nrf2) is highly expressed in a variety of glioblastoma cell lines associated with the mitogen-activated protein kinase (MAPK) pathway. The aim of this study was to evaluate the antitumor effects of chrysin in glioblastoma cells and how chrysin is related to the MAPK/Nrf2 signaling pathway...
2018: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29660650/evidence-for-gastroprotective-anti-inflammatory-and-antioxidant-potential-of-methanolic-extract-of-cordia-dichotoma-leaves-on-indomethacin-and-stress-induced-gastric-lesions-in-wistar-rats
#6
Ketan Vinayakrao Hatware, Sanjay Sharma, Kiran Patil, Meghanath Shete, Sravani Karri, Gaurav Gupta
The Cordia dichotoma (CD) is having anticancer and other pharmacological effects as it contains mainly flavonoids. The present study was aimed to demonstrate the gastroprotective effect of methanolic extract of CD leaves (MECD) obtained using Soxhlet extractor. In this study the qualitative phytochemical analysis of MECD revealed the presence of bioflavonoids and determination of quercetin was confirmed by HPLC analysis. The MECD was administered orally at doses 50 mg/kg, 100 mg/kg and 200 mg/kg against indomethacin induced gastric ulceration and stress-induced gastric ulceration in Wistar rats...
April 13, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29652002/evaluation-of-bioflavonoids-on-the-immediate-and-delayed-microtensile-bond-strength-of-self-etch-and-total-etch-adhesive-systems-to-sound-dentin
#7
Rajeswari Kalaiselvam, Arathi Ganesh, Mathan Rajan, Deivanayagam Kandaswamy
Aim: This study aims to evaluate the effect of two bioflavonoids (epigallocatechin-3-gallate [EGCG] and catechin) and a protein inhibitor (chlorhexidine [CHX]) on the immediate and delayed microtensile bond strength of self-etch and total-etch adhesive systems to sound dentin. Materials and Methods: The occlusal surfaces of 96 mandibular human third molar teeth specimens were ground after removal of the excess tissues, to expose the middle dentin. The dentin specimens were randomly allocated into four groups, each consisting of 24 teeth (n = 24) according to the application of the enzyme inhibitor...
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29573617/anti-arrhythmogenic-and-anti-inflammatory-effects-of-troxerutin-in-ischemia-reperfusion-injury-of-diabetic-myocardium
#8
Moslem Najafi, Elham Noroozi, Aniseh Javadi, Reza Badalzadeh
INTRODUCTION: Medicinal plants are increasingly used in the treatment of cardiovascular diseases due to their multifaceted properties. This study was designed to investigate anti-arrhythmic and anti-inflammatory potentials of the natural bioflavonoid, troxerutin (TXR) in myocardial ischemia/reperfusion (I/R) injury in diabetic rats. METHODS: Male Wistar rats were randomly divided into 4 groups (control, control + TXR [150 mg/kg, daily], diabetic, and diabetic + TXR)...
March 21, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29548911/involvement-of-gabaergic-bdnf-and-nox-2-mechanisms-in-the-prevention-and-reversal-of-ketamine-induced-schizophrenia-like-behavior-by-morin-in-mice
#9
Benneth Ben-Azu, Adegbuyi Oladele Aderibigbe, Abayomi Mayowa Ajayi, Aya-Ebi Okubo Eneni, Solomon Umukoro, Ezekiel O Iwalewa
GABAergic (Gamma-aminobutyric acid) and neurotrophic derangements have important implication in schizophrenia, a neuropsychiatric disease. Previous studies have shown that nicotinamide adenine dinucleotide phosphate oxidase (NADPH-oxidase) alters GABAergic and neurotrophic activities via inflammatory and oxidative pathways. Thus, it has been proposed that agents with anti-oxidant and anti-inflammatory properties might be beneficial for the treatment of the disease. Morin is neuroactive bioflavonoid compound, which has been reported to demonstrate antipsychotic and anti-oxidant/anti-inflammatory activities...
May 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29533216/experimental-and-computational-modeling-of-interaction-of-kolaviron-kolaflavanone-with-aldehyde-dehydrogenase
#10
Adejoke N Kolawole, Valentine T Akinladejo, Olusola O Elekofehinti, Afolabi C Akinmoladun, Ayodele O Kolawole
Aldehyde dehydrogenases (ALDHs) are a diverse family of enzymes that catalyze the NAD(P)+ -dependent detoxification of toxic aldehyde compounds. ALDHs are also involved in non-enzymatic ligand binding to endobiotics and xenobiotics. Here, the enzyme crucial non-canonical and non-catalytic interaction with kolaflavanone, a component of kolaviron, and a major bioflavonoid isolated from Garcinia kola (Bitter kola) was characterized by various spectroscopic and in silico approaches under simulated physiological condition...
February 27, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29531477/do-bioflavonoids-in-juniperus-virginiana-heartwood-stimulate-oviposition-in-the-ladybird-coleomegilla-maculata
#11
Eric W Riddick, Zhixin Wu, Fred J Eller, Mark A Berhow
Maximizing the reproductive potential of ladybird beetles fed factitious foods or artificial diets, in lieu of natural prey, is a major challenge to cost-effective mass rearing for augmentative biological control. In this study, we tested the hypothesis that compounds in redcedar, Juniperus virginiana , stimulate oviposition in the ladybird Coleomegilla maculata . We also tested the prediction that several bioflavonoids, identified in heartwood fractions, elicited this behavioral response. Phenolic compounds were extracted from J...
2018: International Journal of Insect Science
https://www.readbyqxmd.com/read/29510085/anabolic-effects-of-chrysin-on-the-ventral-male-prostate-and-female-prostate-of-adult-gerbils-meriones-unguiculatus
#12
Mônica S Campos, Naiara C S Ribeiro, Rodrigo F de Lima, Mariana B Santos, Patrícia S L Vilamaior, Luis O Regasini, Manoel F Biancardi, Sebastião R Taboga, Fernanda C A Santos
Chrysin is a bioflavonoid found in fruits, flowers, tea, honey and wine, which has antioxidant, anti-inflammatory, antiallergic and anticarcinogenic properties. This flavone has also been considered as beneficial for reproduction due its testosterone-boosting potential. Thus, the aim of this study was to evaluate the effects of chrysin on the prostate and gonads of male and female adult gerbils. In addition, a comparative analysis of the effects of testosterone on these same organs was conducted. Ninety-day-old male and female gerbils were treated with chrysin (50mgkg-1day-1) or testosterone cypionate (1mgkg-1week-1) for 21 days...
March 7, 2018: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29491626/cerebroprotective-actions-of-triticum-aestivum-linn-powder-and-bauhinia-purpurea-flower-powder-in-surgically-induced-cerebral-infraction-in-rats
#13
Akula Annapurna, Thonangi C Vishala, Veera R Bitra, Deepthi Rapaka, Asmath Shaik
Objective: The prime objective of this study is to evaluate the cerebroprotective actions of Triticum aestivum (wheatgrass) powder and Bauhinia purpurea flower (dev kanchan) powder against the experimentally induced global ischemia reperfusion injury in rats. Materials and Methods: In the first phase of the studies, 1 h before the surgical procedure, the Wistar rats were orally served with varied doses of wheatgrass powder (5, 10, 30, and 100 μg/kg) and Bauhinia flower powder (30, 100, 200, and 300 μg/kg), respectively...
January 2018: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29480020/protective-effects-of-quercetin-treatment-in-a-pristane-induced-mouse-model-of-lupus-nephritis
#14
Mariane Dos Santos, Priscila Tamar Poletti, Gaia Favero, Alessandra Stacchiotti, Francesca Bonomini, Carolina Caruccio Montanari, Silvia Regina Bona, Norma Possa Marroni, Rita Rezzani, Francisco Veríssimo Veronese
INTRODUCTION: Lupus nephritis (LN) is one of the most severe complications of systemic lupus erythematosus. As murine models of LN are valuable tools to better understand its pathophysiology and to search for new effective treatments, we investigated the effects of the bioflavonoid quercetin on pristane-induced LN mice through histomorphological analyses. METHODS: Immunofluorescence and biochemical assays were used to evaluate the expression of markers of inflammation (interleukin-6, IL-6; tumour necrosis factor-α, TNF-α), oxidative stress (catalase, CAT; superoxide dismutase 1, SOD1; thiobarbituric acid reactive substances, TBARS), apoptosis (Bax), and fibrosis (transforming growth factor-β1, TGF-β1)...
March 2018: Autoimmunity
https://www.readbyqxmd.com/read/29423013/led-enhances-anti-inflammatory-effect-of-luteolin-3-4-5-7-tetrahydroxyflavone-in-vitro
#15
Shengnuo Fan, Ahsan Habib, Jun Liu, Jun Tan
Neuroinflammation is a complex pathological process usually results from abnormal microglial activation, thus, intervention in a microglial stimulation pathway could be a promising approach for the treatment of neurodegenerative diseases. Luteolin is an important bioflavonoid possesses anti-inflammatory properties, which is widely studied over these years. Light emitting diode (LED) therapy is reported to be a potential therapeutic strategy for many diseases including neurodegenerative diseases. However, little is known about the anti-inflammatory effect of LED therapy on activated microglial cells, even less is known whether there is a synergistic anti-inflammatory effect exist in LED and luteolin therapy...
2018: American Journal of Translational Research
https://www.readbyqxmd.com/read/29420562/induction-of-apoptosis-by-pinostrobin-in-human-cervical-cancer-cells-possible-mechanism-of-action
#16
Alka Jaudan, Sapna Sharma, Sri Nurestri Abd Malek, Aparna Dixit
Pinostrobin (PN) is a naturally occurring dietary bioflavonoid, found in various medicinal herbs/plants. Though anti-cancer potential of many such similar constituents has been demonstrated, critical biochemical targets and exact mechanism for their apoptosis-inducing actions have not been fully elucidated. The present study was aimed to investigate if PN induced apoptosis in cervical cancer cells (HeLa) of human origin. It is demonstrated that PN at increasing dose effectivity reduced the cell viability as well as GSH and NO2- levels...
2018: PloS One
https://www.readbyqxmd.com/read/29406244/vitexin-protects-isoproterenol-induced-post-myocardial-injury-by-modulating-hipposignaling-and-er-stress-responses
#17
Rathinavel Ashokkumar, Sankar Jamuna, M S Sakeena Sadullah, S Niranjali Devaraj
The molecular mechanisms involved in ER stress-induced post myocardial injury remain elusive. In this study, we have investigated the molecular mechanism of ER stress-mediated myocyte death in Isoproterenol (ISO) induced myocardial infarction and its inhibition by a potent anti oxidant and anti-apoptotic bioflavonoid, Vitexin. ISO mediated apoptosis was found to be associated with ER permeabilization and characterized by enhanced production of ROS, activation of caspase-3, modulation of Bcl2 family proteins and activation of bnip3...
February 5, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29337219/citrus-bioflavonoid-hesperetin-as-inhibitor-of-two-thrombin-like-snake-venom-serine-proteases-isolated-from-crotalus-simus
#18
Roney Vander Dos Santos, Fabian Villalta-Romero, Danijela Stanisic, Luiz Borro, Goran Neshich, Ljubica Tasic
Around 5.5 million people suffer from snakebites per year, with about 400,000 cases with some type of sequelae, such as amputation, and 20,000 to 125,000 cases with the fatal end. Usually, the victim outcome depends on correct, agile and many times in situ intervention based on the proper identification of the snake venom type and its potential effects, among other factors. Therefore, knowledge on the snake venom composition and a research on inhibitors of snake venom target components might ameliorate envenoming dangerous outcome...
March 1, 2018: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/29230268/an-alginate-cyclodextrin-spray-drying-matrix-to-improve-shelf-life-and-antioxidant-efficiency-of-a-blood-orange-by-product-extract-rich-in-polyphenols-mmps-inhibition-and-antiglycation-activity-in-dysmetabolic-diseases
#19
Maria Rosaria Lauro, Lucia Crascì, Virgilio Giannone, Gabriele Ballistreri, Simona Fabroni, Francesca Sansone, Paolo Rapisarda, Anna Maria Panico, Giovanni Puglisi
Alginate and β -cyclodextrin were used to produce easily dosable and spray-dried microsystems of a dried blood orange extract with antidysmetabolic properties, obtained from a by-product fluid extract. The spray-dried applied conditions were able to obtain a concentrate dried extract without the loss of AOA and with TPC and TMA values of 35-40% higher than that of the starting material. They were also effective in producing microparticles with 80-100% of encapsulation efficiency. The 2% sodium alginate was capable of improving the extract shelf life , while the beta-cyclodextrin (1 : 1 molar ratio with dried extract) prolonged the extract antioxidant efficiency by 6 hours...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29229355/effects-of-biflavonoids-from-garcinia-madruno-on-a-triple-transgenic-mouse-model-of-alzheimer-s-disease
#20
Angélica Maria Sabogal-Guáqueta, Luis Carrillo-Hormaza, Edison Osorio, Gloria Patricia Cardona-Gómez
Alzheimer's disease (AD) is a progressive neurodegenerative disorder that is pathologically characterized by the deposition of β-amyloid (βA) peptides in senile plaques and neurofibrillary tangles in the brain. Flavonoids have recently been used to prevent and treat a variety of neurodegenerative diseases, but little is known about bioflavonoids. In this study, we evaluate whether a biflavonoid fraction (BF) exerts neuroprotective effects on an aged triple transgenic mouse mode of AD (3xTg-AD). Then, 21-24-month-old 3xTg AD mice were i...
March 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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