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Lovastatin

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https://www.readbyqxmd.com/read/28919704/secondary-prevention-of-major-cerebrovascular-events-with-seven-different-statins-a-multi-treatment-meta-analysis
#1
Ping Zhong, Danhong Wu, Xiaofei Ye, Ying Wu, Tuming Li, Shuwen Tong, Xueyuan Liu
BACKGROUND: Statins have been recommended for the use in atherosclerotic cardiovascular diseases, but different statins have distinct pharmacological characteristics. This multi-treatment meta-analysis aimed to evaluate the efficacy of seven statins in the secondary prevention of major cerebrovascular events (CVEs). METHODS AND ANALYSES: The PubMed, Embase, Cochrane Database of Systematic Reviews and Cochrane Central Register of Controlled Trials were searched to identify studies published between January 1, 2011, and June 30, 2016...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28918367/25-hydroxycholesterol-and-inflammation-in-lovastatin-deregulated-mevalonate-pathway
#2
Paola Maura Tricarico, Rossella Gratton, Luca Braga, Fulvio Celsi, Sergio Crovella
Mevalonate pathway deregulation has been observed in several diseases, including Mevalonate kinase deficiency (MKD). MKD is a hereditary auto-inflammatory disorder, due to mutations at mevalonate kinase gene (MVK), encoding mevalonate kinase (MK) enzyme. MVK mutations have been reported as associated with impairment of mevalonate pathway with consequent decrease of protein prenylation levels, defective autophagy and increase of IL-1β secretion, followed by cell death. Since 25-hydroxycholesterol (25-HC), a metabolite of cholesterol, can suppress IL-1β production, thus reducing inflammation, we evaluated the effect of 25-HC in an in vitro model of mevalonate pathway alteration, obtained using Lovastatin...
September 14, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28879627/the-effect-of-viscosity-friction-and-sonication-on-the-morphology-and-metabolite-production-from-aspergillus-terreus-atcc-20542
#3
Muhamad Hafiz Abd Rahim, Hanan Hasan, Hanis H Harith, Ali Abbas
This study investigates the effects of viscosity, friction, and sonication on the morphology and the production of lovastatin, (+)-geodin, and sulochrin by Aspergillus terreus ATCC 20542. Sodium alginate and gelatine were used to protect the fungal pellet from mechanical force by increasing the media viscosity. Sodium alginate stimulated the production of lovastatin by up to 329.0% and sulochrin by 128.7%, with inhibitory effect on (+)-geodin production at all concentrations used. However, the use of gelatine to increase viscosity significantly suppressed lovastatin, (+)-geodin, and sulochrin's production (maximum reduction at day 9 of 42...
September 6, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28879444/comparative-study-on-whole-genome-sequences-of-aspergillus-terreus-soil-fungus-and-diaporthe-ampelina-endophytic-fungus-with-reference-to-lovastatin-production
#4
S D Bhargavi, V K Praveen, M Anil Kumar, J Savitha
Lovastatin is a competitive inhibitor of the enzyme hydroxymethyl glutaryl coenzyme A reductase (HMGR) in cholesterol biosynthetic pathway and hence used in the treatment of hyperlipidemia. In a previous study, we report a tropical soil isolate, Aspergillus terreus (KM017963), which produces ample amount of lovastatin than its counterpart that are endophytic in origin. Bioinformatic analysis of whole genome sequence of A. terreus (AH007774.1), a soil isolate revealed the presence of gene cluster (AF141924.1 & AF141925...
September 6, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28847079/gentamicin-degradation-and-changes-in-fungal-diversity-and-physicochemical-properties-during-composting-of-gentamicin-production-residue
#5
Yuanwang Liu, Yao Feng, Dengmiao Cheng, Jianming Xue, Steve A Wakelin, Haiyan Hu, Zhaojun Li
An indoor co-composting of gentamicin fermentation residues (GFR) and lovastatin fermentation residues (LFR) inoculated with gentamicin-degrading Aspergillus terreus FZC3 was conducted to remove gentamicin residues. The results showed that treatment MFZC3, consisting of a 10:1 blend of GFR and LFR (w/w), had the longest thermophilic phase (7days), quickest gentamicin degradation (t½=4.4days), and relatively higher gentamicin degradation percentage (96.7%) at the end of composting. Addition of Aspergillus terreus FZC3 affected fungal diversity of the compost and improved the removal of gentamicin during composting of the 15:1 GFR:LFR blend...
November 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28829786/tramesan-a-novel-polysaccharide-from-trametes-versicolor-structural-characterization-and-biological-effects
#6
Marzia Scarpari, Massimo Reverberi, Alessia Parroni, Valeria Scala, Corrado Fanelli, Chiara Pietricola, Slaven Zjalic, Vittoria Maresca, Agostino Tafuri, Maria R Ricciardi, Roberto Licchetta, Simone Mirabilii, Aris Sveronis, Paola Cescutti, Roberto Rizzo
Mushrooms represent a formidable source of bioactive compounds. Some of these may be considered as biological response modifiers; these include compounds with a specific biological function: antibiotics (e.g. plectasin), immune system stimulator (e,g, lentinan), antitumor agents (e.g. krestin, PSK) and hypolipidemic agents (e.g. lovastatin) inter alia. In this study, we focused on the Chinese medicinal mushroom "yun zhi", Trametes versicolor, traditionally used for (cit.) "replenish essence and qi (vital energy)"...
2017: PloS One
https://www.readbyqxmd.com/read/28819231/in-vitro-micropatterned-human-pluripotent-stem-cell-test-%C3%A2%C2%B5p-hpst-for-morphometric-based-teratogen-screening
#7
Jiangwa Xing, Yue Cao, Yang Yu, Huan Li, Ziwei Song, Hanry Yu
Exposure to teratogenic chemicals during pregnancy may cause severe birth defects. Due to high inter-species variation of drug responses as well as financial and ethical burdens, despite the widely use of in vivo animal tests, it's crucial to develop highly predictive human pluripotent stem cell (hPSC)-based in vitro assays to identify potential teratogens. Previously we have shown that the morphological disruption of mesoendoderm patterns formed by geometrically-confined cell differentiation and migration using hPSCs could potentially serve as a sensitive morphological marker in teratogen detection...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28816626/comparison-of-the-elution-characteristics-of-individual-forms-of-lovastatin-in-both-isocratic-and-gradient-modes-and-hplc-pda-method-development-for-pure-and-fermentation-derived-lovastatin
#8
Seenivasan Ayothiraman, Sathyanarayana N Gummadi, Tapobrata Panda
The elution characteristics of lovastatin were studied on varying the composition of mobile phase in both isocratic and gradient elution modes to comprehend the role of organic modifier and acidifier on the overall analysis time and retention time of individual forms of lovastatin. Acetonitrile has influenced on the overall analysis time, whereas the acidifier determines the retention time of hydroxy acid form of lovastatin and the retention time gap between the individual forms. A combination of acetonitrile and 0...
August 17, 2017: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/28814864/controlled-release-of-lovastatin-from-poly-lactic-co-glycolic-acid-nanoparticles-for-direct-pulp-capping-in-rat-teeth
#9
Hung-Pin Lin, Han-Ping Tu, Yu-Ping Hsieh, Bor-Shiunn Lee
Statin at appropriate concentrations has been shown to induce odontoblastic differentiation, dentinogenesis, and angiogenesis. However, using a carrier to control statin release might reduce toxicity and enhance its therapeutic effects. The aim of this study was to prepare poly(d,l-lactide-co-glycolide acid) (PLGA) nanoparticles that contain lovastatin for application in direct pulp capping. The PLGA-lovastatin particle size was determined using dynamic light scattering measurements and transmission electron microscopy...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28802576/atorvastatin-and-lovastatin-but-not-pravastatin-increased-cellular-complex-formation-between-pcsk9-and-the-ldl-receptor-in-human-hepatocyte-like-c3a-cells
#10
Quantil M Melendez, Catherine J Wooten, Dayami Lopez
Statins are the first-line treatment for hypercholesterolemic patients. Herein, the effects of three statins on complex formation between proprotein convertase subtilisin-kexin 9 (PCSK9) and the low density lipoprotein receptor (LDLR), a critical step for the PCSK9-dependent degradation of LDLR in the lysosome, were examined. Human hepatocyte-like C3A cells grown in control (containing 10% fetal bovine serum) or MITO+ (supplemented with BD™ MITO + serum extender) medium were also treated with atorvastatin (Atorv), lovastatin (Lov), or pravastatin (Prav) for 24 h...
August 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28796249/rho-inhibition-by-lovastatin-affects-apoptosis-and-dsb-repair-of-primary-human-lung-cells-in-vitro-and-lung-tissue-in-vivo-following-fractionated-irradiation
#11
Verena Ziegler, Christian Henninger, Ioannis Simiantonakis, Marcel Buchholzer, Mohammad Reza Ahmadian, Wilfried Budach, Gerhard Fritz
Thoracic radiotherapy causes damage of normal lung tissue, which limits the cumulative radiation dose and, hence, confines the anticancer efficacy of radiotherapy and impacts the quality of life of tumor patients. Ras-homologous (Rho) small GTPases regulate multiple stress responses and cell death. Therefore, we investigated whether pharmacological targeting of Rho signaling by the HMG-CoA-reductase inhibitor lovastatin influences ionizing radiation (IR)-induced toxicity in primary human lung fibroblasts, lung epithelial and lung microvascular endothelial cells in vitro and subchronic mouse lung tissue damage following hypo-fractionated irradiation (4x4 Gy)...
August 10, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28791446/key-role-of-alternative-oxidase-in-lovastatin-solid-state-fermentation
#12
Ailed Pérez-Sánchez, Salvador Uribe-Carvajal, Alfredo Cabrera-Orefice, Javier Barrios-González
Lovastatin is a commercially important secondary metabolite produced by Aspergillus terreus, either by solid-state fermentation or by submerged fermentation. In a previous work, we showed that reactive oxygen species (ROS) accumulation in idiophase positively regulates lovastatin biosynthetic genes. In addition, it has been found that lovastatin-specific production decreases with aeration in solid-state fermentation (SSF). To study this phenomenon, we determined ROS accumulation during lovastatin SSF, under high and low aeration conditions...
August 8, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28789942/statins-reduce-tgf-beta2-modulation-of-the-extracellular-matrix-in-cultured-astrocytes-of-the-human-optic-nerve-head
#13
Mi-Lyang Kim, Kyung Rim Sung, Jin A Shin, Joo Young Yoon, Joonhee Jang
Statins are cholesterol lowering drugs and have shown beneficial effects on glaucoma. With regard to the mechanism of statin action on glaucoma, we investigated the effects of statins on transforming growth factor-beta 2 (TGF-β2)-induced expression of extracellular matrix (ECM) proteins in human astrocytes of the optic nerve head (ONH) lamina cribrosa (LC). By using primary human ONH astrocytes, we found that both simvastatin and lovastatin inhibited TGF-β2-mediated expression of ECM proteins such as connective tissue growth factor, collagen I, fibronectin, and plasminogen activator inhibitor-1...
August 5, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28769803/lovastatin-alleviates-endothelial-to-mesenchymal-transition-in-glomeruli-via-suppression-of-oxidative-stress-and-tgf-%C3%AE-1-signaling
#14
Zejun Ma, Lili Zhu, Yan Liu, Zhida Wang, Yang Yang, Liming Chen, Qiulun Lu
Statins may decrease chronic kidney diseases (CKDs) risk, but their underlying molecular mechanisms are not completely understood. Recent studies indicate Endothelial-to-mesenchymal transition (EndMT) plays an important role contributing to renal interstitial fibrosis. In the present study, we first investigated whether lovastatin could ameliorate renal fibrosis via suppression of EndMT and its possible mechanism. In vitro experiments, lovastatin significantly ameliorated microalbuminuria and pathologic changes in diabetic rats...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28749884/original-research-the-effects-of-red-yeast-rice-supplementation-on-cholesterol-levels-in-adults
#15
REVIEW
Diane Peng, Amy Fong, Amanda van Pelt
: Purpose: Red yeast rice (RYR) supplementation has become a popular alternative to statin therapy in treating hypercholesterolemia. This state-of-the-science review seeks to explore the most recent evidence on the effectiveness and safety of RYR supplementation in treating dyslipidemic adults. METHODS: This review extends the time frame of a meta-analysis performed by Li and colleagues in 2014; specifically, we looked at the literature published between September 2013 and April 2016...
August 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28738573/stable-isotope-ratio-analysis-for-authentication-of-red-yeast-rice
#16
Matteo Perini, Gianfranco Carbone, Federica Camin
Red yeast rice (RYR) is a dietary supplement obtained from rice fermented with the mould Monascus purpureus. It contains Monacolin K which is a hypocholesterolemic statin used to prevent cardiovascular diseases. The homologous prescription biosynthetic statin, lovastatin, is not chemically distinguishable from monacolin K. In this work we investigated whether δ(13)C and δ(2)H can distinguish monacolin K from lovastatin and can detect the presence of lovastatin in RYR. 18 samples of red yeast rice powder and 18 samples of lovastatin were collected...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28731315/hypocholesterolemic-activity-of-cornelian-cherry-cornus-mas-l-fruits
#17
Fatemeh Hosseinpour, Tahoora Shomali, Mahmoud Rafieian-Kopaei
Background Lipid profile disturbances are important risk factors for cardiovascular events in patients with diabetes mellitus and finding safe and multifaceted agents is persuaded in this regard. This study aimed to evaluate the effect of cornelian cherry dried powder (CCDP) on serum lipid profile as well as liver antioxidant capacity, HMG-CoA reductase level and activity, and LDL receptor level in streptozotocin-induced diabetic rats. Methods Forty-eight male adult Wistar rats were randomly allocated into eight equal groups and were treated for 4 weeks as follows: negative control (normal rats, basic diet); positive control (diabetic rats, basic diet), T1 to T4 groups: diabetic rats fed with basic diet containing 0...
June 1, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28728224/-antagonism-of-lovastatin-on-oxidative-stress-and-apoptosis-in-primary-rat-hippocampal-neurons-induced-by-%C3%AE-amyloid-peptide
#18
L C Tan, L Zhao, X H Liu, C M Deng, Z Z Guan
Objective: To investigate the effect of lovastatin on oxidative stress and apoptosis in neurons induced by β-amyloid peptide (Aβ). Methods: Primary culture of rat hippocampal neuron was treated with Aβ oligomers alone or combined with lovastatin. The levels of OH(-), H(2)O(2), O(2)·(-), malondialdehyde, superoxide dismutase (SOD) and glutathione peroxidase (GSH-PX) activities were measured by biochemical methods and protein expression of caspase-3 and bcl-2 was detected by Western blot. Results: As compared with the control group, treatment of 0...
July 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28710503/rac1-mediated-cardiac-damage-causes-diastolic-dysfunction-in-a-mouse-model-of-subacute-doxorubicin-induced-cardiotoxicity
#19
Jan Ohlig, Christian Henninger, Simone Zander, Marc Merx, Malte Kelm, Gerhard Fritz
The anticancer efficacy of anthracyclines is limited by congestive heart failure. Clinically established markers of early onset of cardiotoxicity following anthracycline treatment and preventive measures are missing. Although statins are reported to alleviate anthracycline-induced cardiotoxicity in vivo, the molecular mechanisms involved remain elusive. In vitro data point to Rac1 as major target of the cytoprotective statin effects. Here we investigated whether specific inhibition of Rac1 by NSC23766 is as effective as lovastatin in preventing subacute cardiotoxicity following doxorubicin treatment...
July 14, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28691428/stat-proteins-as-intracellular-regulators-of-resistance-to-myocardial-injury-in-context-of-cardiac-remodeling-and-targeting-for-therapy
#20
REVIEW
Andrzej Wincewicz, Stanislaw Sulkowski
Roles of STAT (signal transducers and activators of transcription) proteins are widely discussed in relation to other agents like IFN-γ that are involved in cardiovascular diseases. STAT3 protects cardiomyocytes during endotoxic shock and ischemia and prolongs survival of these cells by activation of antiapoptotic genes like bcl-2 and c-fos. Moreover, IL-6 dependent expression of STAT3 probably is responsible for hypertrophy of cardiomyocytes. On the contrary STAT1 mediates cell death by induction of caspase-1...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
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