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Silymarin

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https://www.readbyqxmd.com/read/28098838/role-of-udp-glucuronosyltransferase-1a1-in-the-metabolism-and-pharmacokinetics-of-silymarin-flavonolignans-in-patients-with-hcv-and-nafld
#1
Ying Xie, Sonia R Miranda, Janelle M Hoskins, Roy L Hawke
Silymarin is the most commonly used herbal medicine by patients with chronic liver disease. Silymarin flavonolignans undergo rapid first-pass metabolism primarily by glucuronidation. The aims of this investigation were: (1) to determine the association of UGT1A1*28 polymorphism with the area under the plasma concentration-time curves (AUCs) for silybin A (SA) and silybin B (SB); (2) to evaluate the effect of UGT1A1*28 polymorphism on the profile of flavonolignan glucuronide conjugates found in the plasma; and (3) to investigate the role of UGT1A1 enzyme kinetics on the pharmacokinetics of SA and SB...
January 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28095910/profile-of-bioactive-compounds-in-nymphaea-alba-l-leaves-growing-in-egypt-hepatoprotective-antioxidant-and-anti-inflammatory-activity
#2
Riham Omar Bakr, Mona Mohamed El-Naa, Soumaya Saad Zaghloul, Mahmoud Mohamed Omar
BACKGROUND: Nymphaea alba L. represents an interesting field of study. Flowers have antioxidant and hepatoprotective effects, rhizomes constituents showed cytotoxic activity against liver cell carcinoma, while several Nymphaea species have been reported for their hepatoprotective effects. Leaves of N. alba have not been studied before. Therefore, in this study, in-depth characterization of the leaf phytoconstituents as well as its antioxidant and hepatoprotective activities have been performed where N...
January 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28092840/suppressive-effect-of-spirulina-fusiformis-on-diclofenac-induced-hepato-renal-injury-and-gastrointestinal-ulcer-in-wistar-albino-rats-a-biochemical-and-histological-approach
#3
Jerine Peter S, Kadar Basha S, R Giridharan, Udhaya Lavinya B, Evan Prince Sabina
CONTEXT: The non-steroidal anti-inflammatory drug (NSAID), diclofenac causes hepato-renal toxicity and gastric ulcer. The aim of this study was to investigate the protective effect of Spirulina fusiformis on Diclofenac-induced toxicity in Wistar albino rats. METHODS: Rats were treated as follows: normal control (group I); diclofenac (50mg/kgb.w., i.p.) treated rats (group II); diclofenac-induced (50mg/kgb.w., i.p.) rats treated with Spirulina fusiformis (400mg/kgb...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28086854/in-vitro-assessment-of-hepatoprotective-agents-against-damage-induced-by-acetaminophen-and-ccl4
#4
Liliana Torres González, Noemí Waksman Minsky, Linda Elsa Muñoz Espinosa, Ricardo Salazar Aranda, Jonathan Pérez Meseguer, Paula Cordero Pérez
BACKGROUND: In vitro bioassays are important in the evaluation of plants with possible hepatoprotective effects. The aims of this study were to evaluate the pretreatment of HepG2 cells with hepatoprotective agents against the damage induced by carbon tetrachloride (CCl4) and paracetamol (APAP). METHODS: Antioxidative activity was measured using an assay to measure 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging. The in vitro hepatotoxicity of CCl4 and APAP, and the cytotoxic and hepatoprotective properties of silymarin (SLM), silybinin (SLB), and silyphos (SLP) were evaluated by measuring cell viability; activities of aspartate aminotransferase (AST), alanine aminotransferase (ALT), and lactate dehydrogenase (LDH); total antioxidant capacity (TAOxC); and reduced glutathione (GSH), superoxide dismutase (SOD), and lipid peroxidation (malondialdehyde (MDA) levels)...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28076620/intraperitoneal-administration-of-silymarin-protects-end-organs-from-multivisceral-ischemia-reperfusion-injury-in-a-rat-model
#5
Aydemir Koçarslan, Sezen Koçarslan, Mehmet Salih Aydin, Şamil Gunay, Mahmut Alp Karahan, Abdullah Taşkın, Murat Üstunel, Nurten Aksoy
Objective: To determine whether intraperitoneal silymarin administration has favorable effects on the heart, lungs, kidney, and liver and on oxidative stress in a rat model of supraceliac aorta ischemia/reperfusion injury. Methods: Thirty male Wistar albino rats were divided equally into three groups: sham, control, and silymarin. The control and silymarin groups underwent supraceliac aortic occlusion for 45 min, followed by a 60 min period of reperfusion under terminal anesthesia...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28076503/effect-of-s%C3%A4-lymar%C3%A4-n-on-ox%C3%A4-dat%C3%A4-ve-stress-and-l%C3%A4-ver-h%C3%A4-stopathology-%C3%A4-n-exper%C3%A4-mental-obstruct%C3%A4-ve-jaund%C3%A4-ce-model
#6
Ali Kemal Onalan, Salih Tuncal, Sibel Kilicoglu, Salih Celepli, Esra Durak, Bulent Kilicoglu, Erdinc Devrim, Aziz Mutlu Barlas, Kemal Kismet
PURPOSE: To investigate the effect of silymarin on oxidative stress and hepatic injury induced by obstructive jaundice in an experimental model. METHODS: Thirty Wistar-Albino type female rats were divided into 3 groups each including 10 rats. Only laparotomy was performed in group 1. Bile duct ligation was performed in group 2. In group 3, bile duct ligation was performed and orogastic silymarin 300 mg/kg/day dose was given for seven days. At the end of seven days, rats were sacrificed...
December 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28069415/silymarin-exerts-antifungal-effects-via-membrane-targeted-mode-of-action-by-increasing-permeability-and-inducing-oxidative-stress
#7
Dae Gyu Yun, Dong Gun Lee
Silymarin, which is derived from the seeds of Silybum marianum, has been widely used to prevent and treat liver disorders. It is also consumed as a dietary supplement to improve liver function, as it does not exhibit any toxic effects in humans. Recently, silymarin has been reported to show antimicrobial effects against various pathogenic microorganisms, but the mode of action remains unknown. Thus, we investigated the antifungal activity of silymarin and aimed to determine the underlying mechanism. Initially, a propidium iodide assay was carried out; the results indicated that silymarin induced injury to the fungal plasma membrane...
January 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28066148/inhibition-of-erk1-2-by-silymarin-in-mouse-mesangial-cells
#8
Cha Kyung Youn, Sung Il Cho, Min Young Lee, Young Jin Jeon, Seog Ki Lee
The present study aimed to show that pro-inflammatory cytokines [tumor necrosis factor (TNF)-α, interferon (IFN)-γ, and interleukin (IL)-1β] synergistically induce the production of nitric oxide (NO) production in mouse mesangial cells, which play an important role in inflammatory glomerular injury. We also found that co-treatment with cytokines at low doses (TNF-α; 5 ng/ml, IFN-γ; 5 ng/ml, and IL-1β; 1.25 U/ml) synergistically induced NO production, whereas treatment with each cytokine alone did not increase NO production at doses up to 100 ng/ml or 50 U/ml...
January 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28064552/the-novel-role-of-%C3%AE-aescin-in-attenuating-ccl4-induced-hepatotoxicity-in-rats
#9
Harsimran Singh, Shabir Sidhu, Kanwaljit Chopra, M U Khan
CONTEXT: β-Aescin has anti-inflammatory, anti-oxidant and antiedematous properties. OBJECTIVE: The present study investigated the hepatoprotective effect and underlying mechanisms of β-aescin in CCl4-induced liver damage. MATERIALS AND METHODS: Thirty-five Wistar rats were divided into six groups: normal control, CCl4 control, silymarin (50 mg/kg, p.o) and β-aescin (0.9, 1.8 and 3.6 mg/kg, i.p.) treatment for 14 d. CCl4 (1 mL/kg, i...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28063643/protective-effect-of-tritone-livosone-on-oxidative-dna-damage-and-its-hepatoprotective-potential-against-various-hepatotoxic-agent-in-wistar-rats
#10
Sheetal Kashinath Medhekar, Tejas Pandurang Jadhav, Vishal Sadashiv Sasane, Vikas Suresh Shende, Nagesh Hanmantrao Aloorkar, Anjali Baburao Chincholkar, Girish Sudhakar Soman, Ajit Shankarrao Kulkarni
AIM: To evaluate antioxidant activity, DNA damage inhibition and hepatoprotecitve potential of polyherbal formulation Tritone (Livosone). METHODS: In vitro antioxidant activity of Tritone formulation was performed by using DPPH assay. Hepatoprotecitve potential of Tritone was evaluated against various hepatotoxic agents including Paracetamol (2g/kg b. wt p.o. single dose on 15th day), Galactosamine (400mg/kg b. wt. i.p. single dose on 8th day) and Alcohol (30% p...
January 4, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28058034/retrospective-analysis-of-the-effects-of-a-highly-standardized-mixture-of-berberis-aristata-silybum-marianum-and-monacolins-k-and-ka-in-patients-with-dyslipidemia
#11
Francesco Di Pierro, Pietro Putignano, Tarcisio Ferrara, Carmela Raiola, Giuliana Rapacioli, Nicola Villanova
BACKGROUND: Berberis aristata, because of its berberine content, and Monascus purpureus fermented rice, because of the presence of monacolins (naturally derived statins), are widely investigated food-grade ingredients used to formulate cholesterol-lowering supplements. Although they are extensively used, berberine is poorly absorbed and monacolins are poorly chemically characterized, not standardized, and possibly contaminated with toxic compounds. Silymarin is reported to enhance berberine absorption, while Monakopure™-K20 (MK-20) is a highly standardized red yeast rice containing monacolins K and KA in the ratio of 1:1 but not secondary monacolins, dehydromonacolins, or citrinin...
2017: Clinical Pharmacology: Advances and Applications
https://www.readbyqxmd.com/read/28053882/hepatoprotective-potential-of-ethanolic-extract-of-aquilaria-agallocha-leaves-against-paracetamol-induced-hepatotoxicity-in-sd-rats
#12
Janey Alam, Md Mujahid, Badruddeen, Yasmeen Jahan, Paramdeep Bagga, Md Azizur Rahman
Many traditional systems of medicines employ herbal drugs for the hepatoprotection. Aim of the study was designed to evaluate the hepatoprotective potential of 'ethanolic extract of Aquilaria agallocha ( Chen Xiang) leaves' (AAE) against paracetamol (PCM) induced hepatotoxicity in SD rats. Group I animals were treated with 1% CMC for 8 days. Group II, III, IV and V animals were first treated with '1% CMC' 1 ml/kg/day, AAE 200 mg/kg/day, AAE 400 mg/kg/day and silymarin 100 mg/kg/day respectively for 7 days and then, orally administered with PCM 3 g/kg b...
January 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28052409/effects-of-dietary-inclusion-of-silymarin-on-performance-intestinal-morphology-and-ileal-bacterial-count-in-aflatoxin-challenged-broiler-chicks
#13
E Jahanian, A H Mahdavi, S Asgary, R Jahanian
This study was conducted to investigate the effect of dietary supplementation of silymarin on performance, jejunal morphology and ileal bacterial population in broiler chicks intoxicated with a mix of aflatoxins. A total of three hundred thirty six 7-day-old Ross broiler chicks were randomly distributed between seven experimental groups with four replicates of 12 birds each. Experimental treatments consisted of a control group (unchallenged), and a 2 × 3 factorial arrangement, including two aflatoxin levels (0...
January 4, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28039083/2-3-dehydrosilybin-a-b-as-a-pro-longevity-and-anti-aggregation-compound
#14
Konstantina Filippopoulou, Nikoletta Papaevgeniou, Maria Lefaki, Anna Paraskevopoulou, David Biedermann, Vladimír Křen, Niki Chondrogianni
Aging is an unavoidable process characterized by gradual failure of homeostasis that constitutes a critical risk factor for several age-related disorders. It has been unveiled that manipulation of various key pathways may decelerate the aging progression and the triggering of age-related diseases. As a consequence, the identification of compounds, preferably natural-occurring, administered through diet, with lifespan-extending, anti-aggregation and anti-oxidation properties that in parallel exhibit negligible side-effects is the main goal in the battle against aging...
December 28, 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28025940/a-mini-review-on-the-chemistry-and-neuroprotective-effects-of-silymarin
#15
Kasi Pandima Devi, Dicson Sheeja Malar, Nady Braidy, Seyed Mohammad Nabavi, Seyed Fazel Nabavi
The plant milk thistle and silymarin has been traditionally used as a natural remedy for the treatment of various ailments including neurological disorders such Alzheimer's and Parkinson's Disease and cerebral ischemia for over 2000 years. The neuroprotective effects conferred by silymarin include modulation of various antioxidant mechanisms, and several kinases involved in cell signaling pathways, inhibition of the inflammatory response generated during neurodegeneration, neurotropic effects, regulation of neurotransmitters and inhibition of apoptosis...
December 27, 2016: Current Drug Targets
https://www.readbyqxmd.com/read/28018219/silymarin-protects-mouse-liver-and-kidney-from-thioacetamide-induced-toxicity-by-scavenging-reactive-oxygen-species-and-activating-pi3k-akt-pathway
#16
Shatadal Ghosh, Abhijit Sarkar, Sudip Bhattacharyya, Parames C Sil
Silymarin (SMN) has been shown to possess a wide range of biological and pharmacological effects. Besides, SMN has antioxidant and free radical scavenging activities. Thioacetamide (TAA) is a well-documented liver toxin that requires oxidative bioactivation to elicit its hepatotoxic effect which ultimately modifies amine-lipids and proteins. Our study has been designed in a TAA exposed mouse model to investigate whether SMN could protect TAA-induced oxidative stress mediated hepatic and renal damage. Results suggest that TAA generated reactive oxygen species (ROS), caused oxidative stress and induced apoptosis in the liver and kidney cells via JNK as well as PKC and MAPKs signaling...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28006905/silychristin-skeletal-alterations-and-biological-activities
#17
David Biedermann, Martin Buchta, Veronika Holečková, David Sedlák, Kateřina Valentová, Josef Cvačka, Lucie Bednárová, Alena Křenková, Marek Kuzma, Ctibor Škuta, Žaneta Peikerová, Petr Bartůněk, Vladimír Křen
Silychristin is the second most abundant flavonolignan (after silybin) present in the fruits of Silybum marianum. A group of compounds containing silychristin (3) and its derivatives such as 2,3-dehydrosilychristin (4), 2,3-dehydroanhydrosilychristin (5), anhydrosilychristin (6), silyhermin (7), and isosilychristin (8) were studied. Physicochemical data of these compounds acquired at high resolution were compared. The absolute configuration of silyhermin (7) was proposed to be identical to silychristin A (3a) in ring D (10R,11S)...
December 23, 2016: Journal of Natural Products
https://www.readbyqxmd.com/read/27999511/a-review-of-herbal-and-pharmaceutical-galactagogues-for-breast-feeding
#18
REVIEW
Alessandra N Bazzano, Rebecca Hofer, Shelley Thibeau, Veronica Gillispie, Marni Jacobs, Katherine P Theall
BACKGROUND: Therapeutic approaches to addressing insufficient lactation are available but remain poorly understood. Current trends in maternal health, such as increasing rates of obesity, delayed age at childbearing, and high rates of cesarean section, may be associated with physiological challenges for lactation that cannot be managed by counseling alone. Women who have not had success with counseling alone, including adoptive mothers seeking to induce lactation, may use galactagogues (pharmaceutical and herbal compounds used to increase lactation)...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27975948/silymarin-from-silybum-marianum-new-approaches-to-separation-and-derivatization
#19
D Biedermann, A Křenková, K Valentová, V Křen
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27973458/silymarin-activates-c-amp-phosphodiesterase-and-stimulates-insulin-secretion-in-a-glucose-dependent-manner-in-hit-t15-cells
#20
Ran Meng, Jana Mahadevan, Elizabeth Oseid, Sara Vallerie, R Paul Robertson
Silymarin (SIL) is a flavonoid extracted from milk thistle seed that has been reported to decrease hyperglycemia in people with type 2 diabetes (T2D). However, it is not known whether SIL has direct secretory effects on β-cells. Using the β-cell line HIT-T15, SIL was shown to decrease intracellular peroxide levels and to augment glucose-stimulated insulin secretion (GSIS). However, the latter was observed using a concentration range of 25-100 µM, which was too low to affect endogenous peroxide levels. The stimulatory effect of SIL dissipated at higher concentrations (100-200 µM), and mild apoptosis was observed...
December 12, 2016: Antioxidants (Basel, Switzerland)
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