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https://www.readbyqxmd.com/read/28735729/protective-effects-of-flavonoids-isolated-from-korean-milk-thistle-cirsium-japonicum-var-maackii-maxim-matsum-on-tert-butyl-hydroperoxide-induced-hepatotoxicity-in-hepg2-cells
#1
Hyun Ah Jung, Qudeer Ahmed Abdul, Jeong Su Byun, Eun-Ji Joung, Wi-Gyeong Gwon, Min-Sup Lee, Hyeung Rak Kim, Jae Sue Choi
ETHNOPHARMACOLOGICAL RELEVANCE: Milk thistle leaves and flowers have been traditionally used as herbal remedy to alleviate liver diseases for decades. Korean milk thistle, Cirsium japonicum var. maackii (Maxim.) Matsum has been employed in traditional folk medicine as diuretic, antiphlogistic, hemostatic, and detoxifying agents. AIM OF THE STUDY: The aim of current investigation was to evaluate hepatoprotective properties of the MeOH extract of the roots, stems, leaves and flowers of Korean milk thistle as well as four isolated flavonoids, luteolin, luteolin 5-O-glucoside, apigenin and apigenin 7-O-glucuronide during t-BHP-induced oxidative stress in HepG2 cells...
July 20, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28735062/silibinin-ameliorates-anxiety-depression-like-behaviors-in-amyloid-%C3%AE-treated-rats-by-upregulating-bdnf-trkb-pathway-and-attenuating-autophagy-in-hippocampus
#2
Xiaoyu Song, Bo Liu, Lingyu Cui, Biao Zhou, Weiwei Liu, Fanxing Xu, Toshihiko Hayashi, Shunji Hattori, Yuko Ushiki-Kaku, Shin-Ichi Tashiro, Takashi Ikejima
Depression is one of the most frequent psychiatric disorders of Alzheimer's disease (AD). Depression and anxiety are associated with increased risk of developing AD. Silibinin, a flavonoid derived from milk thistle (Silybum marianum), has been used as a hepato-protectant in the clinical treatment of liver diseases. In this study, the effect of silibinin on Aβ-induced anxiety/depression-like behaviors in rats was investigated. Silibinin significantly attenuated anxiety/depression-like behaviors caused by Aβ1-42-treatment as shown in tail suspension test (TST), elevated plus maze (EPM) and forced swimming tests (FST)...
July 19, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28686955/targeting-stat3-with-silibinin-to-improve-cancer-therapeutics
#3
REVIEW
Joaquim Bosch-Barrera, Bernardo Queralt, Javier A Menendez
Signal transducer and activator of transcription 3 (STAT3) has a prominent role in mediating resistance to conventional chemo-/radio-therapies and modern targeted drugs. While a number of STAT3 inhibitors have been shown to enhance the efficacy of therapeutic agents in vitro, the majority of them have yet to enter clinical evaluation mostly because of lack of efficacy issues. Silibinin is the main component of the silymarin complex, a standardized extract obtained from the seeds of the milk thistle herb Silybum marianum...
June 23, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28657208/silibinin-stimluates-apoptosis-by-inducing-generation-of-ros-and-er-stress-in-human-choriocarcinoma-cells
#4
Jiyeon Ham, Whasun Lim, Fuller W Bazer, Gwonhwa Song
Silibinin is a flavonolignan extracted from seeds of milk thistles. Traditionally, it has been used as a therapeutic agent for liver disorders, and now it is well-known for its anti-cancer effects. However, studies on anti-cancer effects of silibinin on choriocarcinoma are very limited. Therefore, we performed proliferation and apoptosis assays to determine effects of silibinin on the viability of human choriocarcinoma (JAR and JEG3) cells. Our results showed that silibinin significantly inhibited proliferation and induced apoptosis in both JAR and JEG3 cells, and significantly increased reactive oxygen species (ROS) and lipid peroxidation...
June 28, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28636236/assessment-of-silibinin-as-a-potential-antifungal-agent-and-investigation-of-its-mechanism-of-action
#5
Dae Gyu Yun, Dong Gun Lee
Silibinin, which is derived from Silybum marianum (milk thistle), has used as a traditional remedy for liver or biliary disorders and known to have superior antioxidant activity. In addition, silibinin was recently reported to have antifungal effect related to fungal apoptosis against Candida albicans and the interest in the therapeutic effect is increasing. In this study, we found another mode of antifungal action of silibinin and its antibiofilm activity on C. albicans. To investigate influence on fungal plasma membrane, propidium iodide and bis-(1, 3-dibutylbarbituric acid) trimethineoxonol [DiBAC4 (3)] assay were primarily carried out...
June 21, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28619387/evaluation-of-ameliorative-ability-of-silibinin-against-zidovudine-and-isoniazid-induced-hepatotoxicity-and-hyperlipidaemia-in-rats-role-of-silibinin-in-phase-i-and-ii-drug-metabolism
#6
Raghu Ramanathan, Karthikeyan Sivanesan
HIV/AIDS patients have suppressed immune system, making them vulnerable to many opportunistic infections including tuberculosis (TB). The patients who are co-infected with TB undergo combined regimens with anti-retroviral drugs such as zidovudine (AZT) and anti-tubercular drug such as isoniazid (INH) for therapy leading to hepatotoxicty. Silibinin (SBN), extracted from Silybum marianum commonly called as "Milk thistle" is used against several drugs-induced hepatotoxicity. The present study evaluates the ameliorative effect of SBN against AZT alone, INH alone, and INH + AZT-induced toxic insults to liver of rats...
June 13, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28608581/effects-of-milk-thistle-meal-on-performance-ileal-bacterial-enumeration-jejunal-morphology-and-blood-lipid-peroxidation-in-laying-hens-fed-diets-with-different-levels-of-metabolizable-energy
#7
N S Hashemi Jabali, A H Mahdavi, S Ansari Mahyari, M Sedghi, R Akbari Moghaddam Kakhki
This study was conducted to evaluate the effects of different levels of milk thistle meal on performance, blood biochemical indices, ileal bacterial counts and intestinal histology in laying hens fed diets containing different levels of metabolizable energy. A total number of 200 Leghorn laying hens (Hy-Line W-36) were randomly assigned to eight experimental treatments with five cage replicates of five birds each. Dietary treatments consisted of four levels of milk thistle meal (0%, 15%, 30% and 60%) and two levels of AMEn (11...
June 13, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28558331/impact-of-thistle-rennet-from-carlina-acanthifolia-all-subsp-acanthifolia-on-bacterial-diversity-and-dynamics-of-a-specialty-italian-raw-ewes-milk-cheese
#8
Federica Cardinali, Andrea Osimani, Manuela Taccari, Vesna Milanović, Cristiana Garofalo, Francesca Clementi, Serena Polverigiani, Silvia Zitti, Nadia Raffaelli, Massimo Mozzon, Roberta Foligni, Elena Franciosi, Kieran Tuohy, Lucia Aquilanti
Caciofiore della Sibilla is an Italian specialty soft cheese manufactured with Sopravissana raw ewes' milk and thistle rennet prepared with young fresh leaves and stems of Carlina acanthifolia All. subsp. acanthifolia, according to an ancient tradition deeply rooted in the territory of origin (mountainous hinterland of the Marche region, Central Italy). In this study, the impact of thistle rennet on the bacterial dynamics and diversity of Caciofiore della Sibilla cheese was investigated by applying a polyphasic approach based on culture and DNA-based techniques (Illumina sequencing and PCR-DGGE)...
May 22, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28483599/therapeutic-effects-of-silibinin-on-lps-induced-acute-lung-injury-by-inhibiting-nlrp3-and-nf-%C3%AE%C2%BAb-signaling-pathways
#9
Lin Tian, Weimin Li, Tan Wang
Silibinin, a natural product extracted from Silybum marianum (milk thistle), has been reported to have anti-inflammatory effect. The aim of this study was to explore the therapeutic effects and potential mechanisms of silibinin on lipopolysaccharide (LPS)-stimulated inflammatory responses in acute lung injury (ALI). Male BALB/c mice were conditioned with silibinin 1 h after intranasal instillation of LPS. After 12 h, the myeloperoxidase (MPO) level in lung tissues, the wet/dry (W/D) ratio, inflammatory cytokines in the bronchoalveolar lavage fluid (BALF), and histopathological examination of lung were detected...
July 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28457856/the-effect-of-milk-thistle-silybum-marianum-and-its-main-flavonolignans-on-cyp2c8-enzyme-activity-in-human-liver-microsomes
#10
Ahmed A Albassam, Reginald F Frye, John S Markowitz
Milk thistle is a widely-consumed botanical used for an array of purported health benefits. The primary extract of milk thistle is termed silymarin, a complex mixture that contains a number of structurally-related flavonolignans, the flavonoid, taxifolin, and a number of other constituents. The major flavonolignans present in most extracts are silybin A, silybin B, isosilybin A and isosilybin B, silydianin, silychristin and isosilychristin. Silymarin itself has been reported to inhibit CYP2C8 activity in vitro, but the effect of the individual flavonolignans on this enzyme has not been studied...
June 1, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28450126/flavonolignan-2-3-dehydrosilydianin-activates-nrf2-and-upregulates-nad-p-h-quinone-oxidoreductase-1-in-hepa1c1c7-cells
#11
Lenka Roubalová, Albena T Dinkova-Kostova, David Biedermann, Vladimír Křen, Jitka Ulrichová, Jiří Vrba
Silybum marianum (milk thistle) is a medicinal plant used for the treatment of various liver disorders. This study examined whether the main flavonolignans from S. marianum (i.e. silybin, silychristin, silydianin) and their 2,3-dehydro derivatives (i.e. 2,3-dehydrosilybin, 2,3-dehydrosilychristin, 2,3-dehydrosilydianin) activate the Nrf2 pathway, which regulates the expression of genes encoding many cytoprotective enzymes, including NAD(P)H:quinone oxidoreductase 1 (NQO1). After 48h of exposure, 2,3-dehydrosilydianin at concentrations of 25μM and higher significantly elevated the activity of NQO1 in murine hepatoma Hepa1c1c7 cells...
June 2017: Fitoterapia
https://www.readbyqxmd.com/read/28428085/galloylation-of-polyphenols-alters-their-biological-activity
#12
REVIEW
Daniel Karas, Jitka Ulrichová, Kateřina Valentová
Polyphenols form one of the largest groups of natural compounds and possess a wide range of biological properties. These activities can be influenced by the galloyl moiety within their structures. A multitude of galloylated polyphenolic compounds occurs in nature, but galloylated phenols are also produced synthetically to influence their biological properties. This review provides a comprehensive summary of current knowledge about natural (galloylated catechins, theaflavins and proanthocyanidins, penta-O-galloyl-β-d-glucose, gallotannins, ellagitannins, ellagic acid and flavonols) and semisynthetic gallates with a focus on their biological activity and toxicity issues...
April 18, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28424621/activation-of-sirtuin-3-by-silybin-attenuates-mitochondrial-dysfunction-in-cisplatin-induced-acute-kidney-injury
#13
Yin Li, Zengchun Ye, Weiyan Lai, Jialing Rao, Wanbing Huang, Xiaohao Zhang, Ziying Yao, Tanqi Lou
Silybin is a secondary metabolite isolated from the seeds of blessed milk thistle (Silybum marianum) that has anti-inflammatory, antioxidative, antifibrotic, and antitumor properties. Here, we showed that silybin protected against cisplatin-induced acute kidney injury (AKI) by improving mitochondrial function through the regulation of sirtuin 3 (SIRT3) expression. Male SV129 and SIRT3 knockout (KO) mice were administered a single intraperitoneal (i.p.) injection of cisplatin with or without treatment with silybin...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28419855/a-randomized-trial-of-silymarin-for-the-treatment-of%C3%A2-nonalcoholic-steatohepatitis
#14
Wah-Kheong Chan, Nik Raihan Nik Mustapha, Sanjiv Mahadeva
BACKGROUND & AIMS: Silymarin is a complex mixture of 6 major flavonolignans and other minor polyphenolic compounds derived from the milk thistle plant Silybum marianum; it has shown antioxidant, anti-inflammatory and antifibrotic effects, and may be useful in patients with nonalcoholic fatty liver disease (NAFLD). We aimed to study the efficacy of silymarin in patients with nonalcoholic steatohepatitis (NASH)-the more severe form of NAFLD. METHODS: We performed a randomized, double-blind, placebo-controlled trial of consecutive adults with biopsy-proven NASH and a NAFLD activity score (NAS) of 4 or more at a tertiary care hospital in Kuala Lumpur, Malaysia, from November 2012 through August 2014...
April 15, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28418711/silibinin-improves-tnf-%C3%AE-and-m30-expression-and-histological-parameters-in-rat-kidneys-after-hepatic-ischemia-reperfusion
#15
Georgios Kyriakopoulos, Alexandra K Tsaroucha, Georgia Valsami, Maria Lambropoulou, Nikolaos Kostomitsopoulos, Eirini Christodoulou, Zacharias Kakazanis, Constantinos Anagnostopoulos, Christos Tsalikidis, Constantinos E Simopoulos
BACKGROUND: Remote kidney damage is a sequel of hepatic ischemia-reperfusion (I/R) injury. Silibinin is the main ingredient of the milk thistle plant seed extract with known antioxidant and hepatoprotective activity. Our study investigates the nephroprotective potential of intravenously administered silibinin, as a lyophilized SLB-hydoxypropyl-beta-cyclodextrin product, in hepatic I/R injury. MATERIAL AND METHODS: 63 Wistar rats were divided into three groups: Sham (virtual intervention); Control (45 min ischemia and reperfusion); and Silibinin (200 μL intravenous silibinin administration after 45 min of ischemia)...
April 18, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28400224/new-amides-from-seeds-of-silybum-marianum-with-potential-antioxidant-and-antidiabetic-activities
#16
Ning-Bo Qin, Cui-Cui Jia, Jun Xu, Da-Hong Li, Fan-Xing Xu, Jiao Bai, Zhan-Lin Li, Hui-Ming Hua
Two new amide compounds, mariamides A and B (1-2), were obtained together with fourteen known compounds from the seeds of milk thistle (Silybum marianum). Their structures were established on the basis of extensive 1D and 2D NMR analyses, as well as HR-ESI-MS data. Most of the compounds showed significant antioxidant activities than positive control in ABTS and FRAP assays. However, only amide compounds 1-4 showed moderate DPPH radical scavenging activity and compounds 7 and 16 showed the most potent activity against DPPH...
June 2017: Fitoterapia
https://www.readbyqxmd.com/read/28350048/silybin-attenuates-lps-induced-lung-injury-in-mice-by-inhibiting-nf-%C3%AE%C2%BAb-signaling-and-nlrp3-activation
#17
Bo Zhang, Bing Wang, Shuhua Cao, Yongqiang Wang, Di Wu
Silybin is one of the main flavonoids produced by milk thistle, which has been used in the treatment of liver diseases. In this study, we examined the protective effects and possible mechanisms of action of silybin in lipopolysaccharide (LPS)‑induced lung injury and inflammation. Pre-treatment of mice with silybin significantly inhibited LPS-induced airway inflammatory cell recruitment, including macrophages, T cells and neutrophils. The production of cytokines, such as interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) in bronchoalveolar fluid and serum was also decreased following treatment with silybin...
May 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28340483/improving-the-water-solubility-and-antimicrobial-activity-of-silymarin-by-nanoencapsulation
#18
Ji-Soo Lee, Da Young Hong, Eun Suh Kim, Hyeon Gyu Lee
The aims of this study were to improve the water solubility and antimicrobial activity of milk thistle silymarin by nanoencapsulation and to assess the functions of silymarin nanoparticle-containing film as an antimicrobial food-packaging agent. Silymarin nanoparticles were prepared using water-soluble chitosan (WCS) and poly-γ-glutamic acid (γ-PGA). As the WCS and silymarin concentrations increased, particle size and polydispersity index (PDI) significantly increased. Nanoencapsulation significantly improved the water solubility of silymarin 7...
June 1, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28250272/the-binding-of-silibinin-the-main-constituent-of-silymarin-to-site-i-on-human-serum-albumin
#19
Keishi Yamasaki, Hiroki Sato, Saori Minagoshi, Karin Kyubun, Makoto Anraku, Shigeyuki Miyamura, Hiroshi Watanabe, Kazuaki Taguchi, Hakaru Seo, Toru Maruyama, Masaki Otagiri
Silibinin is the main constituent of silymarin, an extract from the seeds of milk thistle (Silybum marianum). Because silibinin has many pharmacological activities, extending its clinical use in the treatment of a wider variety of diseases would be desirable. In this study, we report on the binding of silibinin to plasma proteins, an issue that has not previously been extensively studied. The findings indicated that silibinin mainly binds to human serum albumin (HSA). Mutual displacement experiments using ligands that primarily bind to sites I and II clearly revealed that silibinin binds tightly and selectively to site I (subsites Ia and/or Ic) of HSA, which is located in subdomain IIA...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28229968/cytotoxic-and-toxicogenomic-effects-of-silibinin-in-bladder-cancer-cells-with-different-tp53-status
#20
Daiane Teixeira DE Oliveira, Andre Luiz Ventura Savio, Joao Paulo DE Castro Marcondes, Tatiane Martins Barros, Ludmila Correia Barbosa, Daisy Maria Favero Salvadori, Glenda Nicioli DA Silva
Silibinin is a natural phenol found in the seeds of the milk thistle plant. Recent data have shown its effectiveness for preventing/treating bladder tumours. Therefore, in this study we investigated the cytotoxic and toxicogenetic activity of silibinin in bladder cancer cells with different TP53 statuses. Two bladder urothelial carcinoma cell lines were used: RT4 (wild-type TP53 gene) and T24 (mutated TP53 gene). Cell proliferation, clonogenic survival, apoptosis rates, genotoxicity and relative expression profile of FRAP/mTOR, FGFR3, AKT2 and DNMT1 genes and of miR100 and miR203 were evaluated...
March 2017: Journal of Biosciences
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