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Silibinin

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https://www.readbyqxmd.com/read/29344246/silibinin-inhibits-migration-and-invasion-of-the-rhabdoid-tumor-g401-cell-line-via-inactivation-of-the-pi3k-akt-signaling-pathway
#1
Yumei Li, Chunmei Zhang, Danfeng Cai, Congde Chen, Dongmei Mu
Rhabdoid tumors, which tend to occur prior to the age of 2 years, are one of the most aggressive malignancies and have a poor prognosis due to the frequency of metastasis. Silibinin, a natural extract, has been approved as a potential tumor suppressor in various studies, however, whether or not it also exerts its antitumor capacity in rhabdoid tumors, particularly with regards to tumor migration and invasion, is unclear. The rhabdoid tumor G401 cell line was used in the present in vitro study. An MTT assay was used to assess the cytotoxicity of silibinin on G401 cells, cell migration was studied using a wound healing assay and a Transwell migration assay, and cell invasion was determined using a Transwell invasion assay...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344204/silibinin-inhibits-the-migration-and-invasion-of-human-gastric-cancer-sgc7901-cells-by-downregulating-mmp-2-and-mmp-9-expression-via-the-p38mapk-signaling-pathway
#2
Shuming Lu, Zhuqing Zhang, Meiru Chen, Chunyan Li, Lina Liu, Yan Li
The objective of the present study was to observe the effects of silibinin and the p38 mitogen-activated protein kinase (MAPK) signaling pathway inhibitor SB203580 on the migration and invasion capabilities of SGC7901 cells, and to explore the underlying associated mechanisms. Scratch, Transwell and Matrigel invasion assays were performed to study the effects of silibinin on cell migration and invasion. Western blot analysis was used to determine the expression levels of p38MAPK, phosphorylated (p-)p38MAPK, matrix metalloproteinase (MMP)-2 and MMP-9...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29329462/silibinin-from-silybum-marianum-stimulates-embryonic-stem-cell-vascular-differentiation-via-the-stat3-pi3-k-akt-axis-and-nitric-oxide
#3
Enas Hussein Ali, Fatemeh Sharifpanah, Maria Wartenberg, Heinrich Sauer
Silibinin, the bioactive compound of milk thistle (Silybum marianum), exerts tissue protective and regenerative effects that may include stem cell differentiation toward vascular cells. The purpose of the present study was to investigate whether silibinin stimulates blood vessel formation from mouse embryonic stem (ES) cells and to unravel the underlying signaling cascade. Vascular branching points were assessed by confocal laser scanning microscopy and computer-assisted image analysis of CD31-positive cell structures...
January 12, 2018: Planta Medica
https://www.readbyqxmd.com/read/29285878/a-comparison-of-the-effectiveness-of-silibinin-and-resveratrol-in-preventing-alpha-amanitin-induced-hepatotoxicity
#4
Aynur Sahin, M Aylin Arici, Yeliz Yılmaz, Sule Kalkan, Nergiz Durmus, Bekir Ugur Ergur, İlkay Aksu, Neşe Atabey, Yesim Tuncok
Amanita phalloides species mushrooms containing alpha amanitin (α-AMA) are responsible for the majority of fatal mushroom intoxications and can lead to severe poisonings resulting in hepatotoxicity and acute hepatic failure. Existing antidotes, such as silibinin, are not sufficiently effective in the prevention and/or resolution of α-AMA-induced hepatotoxicity. We investigated the effects of resveratrol on α-AMA-induced hepatotoxicity and compared with silibinin, a known antidote using in vivo and in vitro toxicity models...
December 29, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29250169/therapeutic-strategies-against-cancer-stem-cells-in-human-colorectal-cancer
#5
Magdalena Szaryńska, Agata Olejniczak, Jarosław Kobiela, Piotr Spychalski, Zbigniew Kmieć
Colorectal cancer (CRC) is the third most frequent malignancy and represents the fourth most common cause of cancer-associated mortalities in the world. Despite many advances in the treatment of CRC, the 5-year survival rate of patients with CRC remains unsatisfactory due to tumor recurrence and metastases. Recently, cancer stem cells (CSCs), have been suggested to be responsible for the initiation and relapse of the disease, and have been identified in CRC. Due to their basic biological features, which include self-renewal and pluripotency, CSCs may be novel therapeutic targets for CRC and other cancer types...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29245931/silibinin-protects-against-osteoarthritis-through-inhibiting-the-inflammatory-response-and-cartilage-matrix-degradation-in-vitro-and-in-vivo
#6
Wenhao Zheng, Zhenhua Feng, Yiting Lou, Chunhui Chen, Chuanxu Zhang, Zhenyu Tao, Hang Li, Liang Cheng, Xiaozhou Ying
Osteoarthritis (OA) is a degenerative joint disease characterized by cartilage degradation and inflammation. Silibinin, a polyphenolic flavonoid derived from fruits and seeds of Silybum marianum, has been reported to possess various potent beneficial biological effects, such as antioxidant, anti-cancer, hepatoprotective and anti-inflammatory activities. However, the anti-inflammatory effects of silibinin on OA have not been reported. This study aimed to assess the effects of silibinin on OA both in vitro and in vivo...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29190895/silibinin-suppresses-bladder-cancer-through-down-regulation-of-actin-cytoskeleton-and-pi3k-akt-signaling-pathways
#7
Mitsuho Imai-Sumida, Takeshi Chiyomaru, Shahana Majid, Sharanjot Saini, Hannah Nip, Rajvir Dahiya, Yuichiro Tanaka, Soichiro Yamamura
Silibinin is the major active constituent of silymarin, an extract of milk thistle seeds. Silibinin has been shown to have significant anti-cancer effects in a variety of malignancies. However, the molecular mechanisms of silibinin action in bladder cancer have not been studied extensively. In the present study, we found that silibinin (10 μM) significantly suppressed proliferation, migration, invasion and induced apoptosis of T24 and UM-UC-3 human bladder cancer cells. Silibinin down-regulated the actin cytoskeleton and phosphatidylinositide 3-kinase (PI3K)/Akt signaling pathways in these cancer cell lines...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29187434/sensitization-of-rhtrail-resistant-triple-negative-breast-carcinoma-through-silibinin-co-treatment
#8
Jasmine M Manouchehri, Michael Kalafatis
BACKGROUND/AIM: Triple-negative breast cancer (TNBC) is the most fatal form of breast cancer due to the shortcomings of therapies. However, recombinant human tumor necrosis factor-related apoptosis-inducing ligand (rhTRAIL) is a promising anticancer therapeutic that possesses the capability to promote the induction of apoptosis in cancer cells, but some TNBCs are resistant to rhTRAIL's pro-apoptotic effects. Therefore, a combinatorial treatment approach with silibinin and rhTRAIL was considered in order to sensitize rhTRAIL-resistant TNBCs...
December 2017: Anticancer Research
https://www.readbyqxmd.com/read/29179521/silibinin-an-old-drug-for-hematological-disorders
#9
REVIEW
Hai Zou, Xing-Xing Zhu, Guo-Bing Zhang, Yuan Ma, Yi Wu, Dong-Sheng Huang
Introduction: Silibinin (silybin), a non-toxic natural polyphenolic flavonoid, is the principal and the most biologically active component of silymarin. It is efficient in the treatment of acute and chronic liver disorders caused by toxins, drug, alcohol, hepatitis, and gall bladder disorders. Further, in our previous studies, we explored the anti-cancer efficacy in common cancers, such as lung, prostatic, colon, breast, bladder, as well as, hepatocellular carcinoma. Interestingly, silibinin is still not solely limited to the treatment of these diseases...
October 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/29174984/efficacy-of-anti-inflammatory-antibiotic-and-pleiotropic-agents-in-reversing-nitrogen-mustard-induced-injury-in-ex-vivo-cultured-rabbit-cornea
#10
Dinesh G Goswami, Rama Kant, Neera Tewari-Singh, Rajesh Agarwal
Vesicating agent, Sulfur mustard (SM), causes devastating eye injury; however, there are no effective antidotes available. Using nitrogen mustard (NM), a bi-functional analog of SM, we have earlier reported that NM-induced corneal injury in ex vivo rabbit cornea organ culture model parallels corneal injury reported with SM. Using this model, we have demonstrated the therapeutic efficacy of dexamethasone (DEX), doxycycline (DOX) and silibinin (SB) in reversing NM (2h exposure)-induced corneal injuries when added immediately after washing NM...
November 23, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29135096/silibinin-promotes-the-apoptosis-of-gastric-cancer-bgc823-cells-through-caspase-pathway
#11
Runfang Li, Jianmin Yu, Chengjun Wang
PURPOSE: To investigate the effects of silibinin, a natural compound, on the proliferation and apoptosis of BGC-823 gastric cancer cell line and to figure out the relevant pathways. METHODS: BGC-823 gastric cancer cells were treated with silibinin at various concentrations (0,25,50,100,150 and 200μM). Zero μM was the control group and the other concentrations were defined as the experimental groups. The effects of silibinin on the proliferation of BGC-823 gastric cancer cells were explored through methylthiazolyldiphenyltetrazolium bromide (MTT)...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29127880/effects-of-flavonoids-on-microrna-145-regulation-through-klf4-and-myocardin-in-neointimal-formation-in-vitro-and-in-vivo
#12
Chiu-Mei Lin, Bao-Wei Wang, Chun-Ming Pan, Wei-Jen Fang, Su-Kiat Chua, Sheng-Wen Hou, Hang Chang, Kou-Gi Shyu
MicroRNA 145 (miR-145) is a critical modulator of vascular smooth muscle cell (VSMC) phenotyping and proliferation. Flavonoids have been studied extensively due to their diverse pharmacological properties, including anti-inflammatory effects. The aims of this study is designed to evaluate the atheroprotective effects on angiotensin II (Ang II)-induced miR-145 and Klf4/myocardin expression in vitro and in vivo of flavonoids, including (-)-epigallocatechin gallate (EGCG), chrysin, wogonin, silibinin, and ferulic acid...
September 14, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29121705/reactive-oxygen-species-depletion-by-silibinin-stimulates-apoptosis-like-death-in-escherichia-coli
#13
Bin Lee, Dong Gun Lee
Silibinin is the major active component of silymarin, extracted from medicinal plant Silybum marianum. Silibinin has potent antibacterial activity; however, the exact mechanism underlying its activity has not been elucidated. Here, we investigated the novel mechanism of silibinin against Escherichia coli. Time-kill kinetic assay showed that silibinin possess a bactericidal effect at minimal inhibitory concentration (MIC) and higher concentrations (two and four-fold MIC). At the membrane depolarization and increased intracellular Ca²⁺ levels were observed, considered as characteristics of bacterial apoptosis...
November 9, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29117121/increased-loading-efficacy-and-sustained-release-of-silibinin-a-poorly-soluble-drug-using-hydrophobically-modified-chitosan-nanoparticles-for-enhanced-delivery-of-anticancer-drug-delivery-systems
#14
Cha Yee Kuen, Sharida Fakurazi, Siti Sarah Othman, Mas Jaffri Masarudin
Conventional delivery of anticancer drugs is less effective due to pharmacological drawbacks such as lack of aqueous solubility and poor cellular accumulation. This study reports the increased drug loading, therapeutic delivery, and cellular accumulation of silibinin (SLB), a poorly water-soluble phenolic compound using a hydrophobically-modified chitosan nanoparticle (pCNP) system. In this study, chitosan nanoparticles were hydrophobically-modified to confer a palmitoyl group as confirmed by 2,4,6-Trinitrobenzenesulfonic acid (TNBS) assay...
November 8, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29093635/beneficial-effects-of-silibinin-against-kainic-acid-induced-neurotoxicity-in-the-hippocampus-in-vivo
#15
Sehwan Kim, Un Ju Jung, Yong-Seok Oh, Min-Tae Jeon, Hyung-Jun Kim, Won-Ho Shin, Jungwan Hong, Sang Ryong Kim
Silibinin, an active constituent of silymarin extracted from milk thistle, has been previously reported to confer protection to the adult brain against neurodegeneration. However, its effects against epileptic seizures have not been examined yet. In order to investigate the effects of silibinin against epileptic seizures, we used a relevant mouse model in which seizures are manifested as status epilepticus, induced by kainic acid (KA) treatment. Silibinin was injected intraperitoneally, starting 1 day before an intrahippocampal KA injection and continued daily until analysis of each experiment...
October 2017: Experimental Neurobiology
https://www.readbyqxmd.com/read/29072082/chemoprevention-of-polyp-recurrence-with-curcumin-followed-by-silibinin-in-a-case-of-multiple-colorectal-adenomas
#16
Vicente Alfonso-Moreno, Antonio López-Serrano, Eduardo Moreno-Osset
Chemoprevention is a practical approach to reduce the risk of various cancers including colorectal cancer (CRC). The goal is to reduce the incidence of pre-neoplastic adenomatous polyps and prevent its progression to CRC. Curcumin and silibinin prevent intestinal polyp formation in mice. Curcumin sensitizes silymarin to exert synergistic anticancer activity in colon cancer cells. Patients presenting with multiple colorectal adenomatous polyps (MCRA) have a high lifetime risk for CRC. We present a 57-year-old man with MCRA, without deleterious germline APC or MYH mutations...
October 23, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29068700/silibinin-reduces-the-impact-of-obesity-on-invasive-liver-cancer
#17
C Miethe, H Nix, R Martin, A R Hernandez, R S Price
Obesity is associated with non-alcoholic steatohepatitis (NASH) and hepatocellular carcinoma (HCC). Obesity and metabolic abnormalities resulting in low-grade inflammation can increase the risk of developing NASH and HCC. NASH, a risk factor for HCC, is characterized by increased inflammation, lipid accumulation, and liver injury. Obesogenic proteins modulate signaling pathways that induce physiological changes including lipogenesis, ROS, and inflammation. Silibinin, a polyphenol in milk thistle seed, has been shown to have anti-inflammatory properties...
October 25, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29052443/investigation-and-analysis-of-galerina-sulciceps-poisoning-in-a-canteen
#18
Hong Xiang, Yajuan Zhou, Changlin Zhou, Shiguang Lei, Hong Yu, Yafang Wang, Shu Zhu
INTRODUCTION: Guizhou Province in China has an abundant resource of wild mushrooms, including numerous poisonous species which contain various toxins. The mortality rate from wild mushroom poisoning has been high in this area in recent years. Galerina sulciceps is a dangerously toxic mushroom which can be fatal if ingested. METHODS: we report on an epidemiological investigation of G. sulciceps poisoning which occurred in Duyun City of Guizhou Province. The characteristics of this species, its toxicity, observed clinical features, laboratory data, treatment modality, and prognosis were investigated in order to provide a reference point for the prevention and treatment of this kind of mushroom poisoning...
October 20, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/29050211/silibinin-attenuates-radiation-induced-intestinal-fibrosis-and-reverses-epithelial-to-mesenchymal-transition
#19
Joong Sun Kim, Na-Kyung Han, Sung-Ho Kim, Hae-June Lee
Radiotherapy is a common treatment for cancer patients, but its use is often restricted by the tolerance of normal tissue. As cancer patients live longer, delayed radiation effects on normal tissue have become a concern. Radiation-induced enteropathy, including inflammatory bowel disease and fibrosis, are major issues for long-term cancer survivors. To investigate whether silibinin attenuates delayed radiation-induced intestinal injury in mice, we focused on intestinal fibrotic changes. Silibinin improved delayed radiation injuries in mice in association with decreased collagen deposition within the intestines and deceased transforming growth factor (TGF)-β1 levels in the intestine and plasma...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049844/flavonoids-inhibit-chronically-exposed-arsenic-induced-proliferation-and-malignant-transformation-of-hacat-cells
#20
Mohit Rajput, Praveen Kumar Kujur, Abhijeet Mishra, Rana P Singh
BACKGROUND: Apart from exposure to UV-radiation, studies show relationship between skin cancer and chronic ingestion of arsenic through drinking water. Chemopreventive strategies could help in reducing the toxic effects of arsenic and arsenic-induced skin cancer. METHODS: Cytotoxicity of arsenic on human skin keratinocytes HaCaT cells was evaluated using MTT and trypan blue assays. Arsenic-induced malignant transformant HaCaT cells were selected through soft agar colony assay...
October 19, 2017: Photodermatology, Photoimmunology & Photomedicine
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