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https://www.readbyqxmd.com/read/29161210/index-use-of-smoflipid-in-a-tertiary-intestinal-rehabilitation-and-transplantation-program
#1
Kwai Lam, Thomas Schiano, Maria Isabel Fiel, Kishore Iyer
Long-term parenteral nutrition (PN) may be complicated by PN-associated liver disease (PNALD), and some studies suggest an association between the use of soy-based fat emulsions and PNALD development. Patients' liver function typically improves and PNALD resolves after reducing or stopping a soy-based fat emulsion, and thus lipid minimization has been the primary strategy for managing PNALD in many intestinal rehabilitation programs. However, fat emulsions often cannot be stopped entirely, leading some patients to develop PNALD even after lipid reduction strategies have been implemented...
November 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29156935/-usefulness-of-plant-sterols-in-the-treatment-of-hypercholesterolemia
#2
Vicente Pascual Fuster
A consumption of 2 grams per day of plant sterols produces an inhibition of intestinal absorption of cholesterol and reduces the plasma concentration of c-LDL (cholesterol associated with low-density lipoprotein) by around 10%, which has determined its incorporation into different food products like margarines or dairy. The plant sterols develop their action in the intestine, where they reduce the absorption of cholesterol increasing their elimination fecal. In clinical practice, the use of functional foods with plant sterols at the recommended doses can be considered as a complement to lifestyle modifications, in individuals with hypercholesterolemia and low cardiovascular risk but who do not require hypocholesterolemic pharmacological treatment, and also in those patients receiving pharmacological treatment with lipid-lowering drugs and who do not get the therapeutic goals of c-LDL...
October 15, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29155776/differential-effects-of-lipid-lowering-drugs-in-modulating-morphology-of-cholesterol-particles
#3
Shanmugavel Madasamy, David Liu, Jason Lundry, Benjamin Alderete, Raymond Kong, J Paul Robinson, Alan H B Wu, Edward P Amento
Treatment of dyslipidemia patients with lipid-lowering drugs leads to a significant reduction in low-density lipoproteins (LDL) level and a low to moderate level of increase in high-density lipoprotein (HDL) cholesterol in plasma. However, a possible role of these drugs in altering morphology and distribution of cholesterol particles is poorly understood. Here, we describe the in vitro evaluation of lipid-lowering drug effects in modulating morphological features of cholesterol particles using the plaque array method in combination with imaging flow cytometry...
November 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155147/selective-and-membrane-permeable-small-molecule-inhibitors-of-nicotinamide-n-methyltransferase-reverse-high-fat-diet-induced-obesity-in-mice
#4
Harshini Neelakantan, Virginia Vance, Michael D Wetzel, Hua-Yu Leo Wang, Stanton F McHardy, Celeste C Finnerty, Jonathan D Hommel, Stanley J Watowich
There is a critical need for new mechanism-of-action drugs that reduce the burden of obesity and associated chronic metabolic comorbidities. A potentially novel target to treat obesity and type 2 diabetes is nicotinamide-N-methyltransferase (NNMT), a cytosolic enzyme with newly identified roles in cellular metabolism and energy homeostasis. To validate NNMT as an anti-obesity drug target, we investigated the permeability, selectivity, mechanistic, and physiological properties of a series of small molecule NNMT inhibitors...
November 15, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29154195/drug-loaded-nanoemulsion-as-positive-control-is-an-alternative-to-dmso-solutions-for-in-vitro-evaluation-of-curcumin-delivery-to-mcf-7-cells
#5
Eduarda Schultze, Karine Coradini, Paula Dos Santos Chaves, Liziane Pereira da Silva, Julieti Buss, Silvia S Guterres, Tiago Collares, Ruy Carlos Ruver Beck, Adriana R Pohlmann, Fabiana Kömmling Seixas
BACKGROUND: In vitro evaluation of toxicity and/or efficacy of nanostructured drug delivery systems involves the uses of different controls, including positive and negative controls, as well as a solution or dispersion of the drug in water. One of the most frequently solvent used to dilute poorly water soluble drugs to in vitro tests are dimethylsulfoxide (DMSO). However, its different specific surface area and different diffusion coefficients could make the comparative effects difficult...
May 11, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29154188/layer-by-layer-films-containing-emodin-or-emodin-encapsulated-in-liposomes-for-transdermal-applications
#6
Paula P Campos, Leonardo Fernandes Fraceto, Marystela Ferreira
Dermal drug release systems are an important area of research because they can be applied to the skin in a non-invasive procedure using a lower concentration of drugs. In this study, we have developed two types of Layer-by-Layer (LbL) films for releasing emodin (EM). In one system, EM was intercalated with poly(ethylenimine) PEI and poly(vinyl sufonate) (PVS) polyelectrolytes, forming (PEI/PVS)2(PEI/EM)7; in another, EM was incorporated in liposomes obtained by mixing dipalmitoyl phosphatidyl glycerol (DPPG) and palmitoyl oleoyl phosphatidyl glycerol (POPG) lipids, forming (PEI/PVS)2(PEI/DPPG-POPG-EM)7...
November 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29151488/impact-of-coronary-stent-fracture-on-restenotic-neointimal-tissue-characterization-after-drug-eluting-stent-implantation
#7
Yasuhiro Uchida, Satoshi Ichimiya, Hideki Ishii, Hideo Oishi, Toshijiro Aoki, Yusuke Miki, Toshiki Kawamiya, Hitoshi Ichimiya, Junji Watanabe, Masaaki Kanashiro, Shinji Hayano, Susumu Suzuki, Tetsuya Amano, Tatsuaki Matsubara, Toyoaki Murohara
Although drug-eluting stents (DESs) reduce the rates of in-stent restenosis (ISR) and subsequent target lesion revascularization, stent fracture (SF) after DES implantation has become an important concern because of its potential association with restenosis and stent thrombosis. We aimed to assess the pathogenic impact of SF on in-stent restenotic neointimal tissue components after DES implantation. We analyzed 43 consecutive patients (14 with SF and 29 without SF) with ISR requiring revascularization after DES implantation between January 2008 and March 2014...
November 17, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29148854/comparative-effectiveness-of-lipid-lowering-treatments-to-reduce-cardiovascular-disease
#8
Dong-Churl Suh, Scott K Griggs, Emmett R Henderson, Seung-Mi Lee, Taehwan Park
With the advent of a new drug class - the proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors, patients have another treatment option for lowering their high levels of low-density lipoprotein cholesterol (LDL-C) in recent years. The objective of this study was to systematically review the cost-effectiveness of lipid-lowering agents such as statins, ezetimibe, and PCSK9 inhibitors. Areas covered: Based on PubMed, Embase, and Cochrane Database of Systematic Reviews, we identified a total of 29 relevant articles...
November 17, 2017: Expert Review of Pharmacoeconomics & Outcomes Research
https://www.readbyqxmd.com/read/29147122/use-of-lipid-lowering-medicinal-herbs-during-pregnancy-a-systematic-review-on-safety-and-dosage
#9
REVIEW
Hojjat Rouhi-Boroujeni, Esfandiar Heidarian, Hamid Rouhi-Boroujeni, Minasadat Khoddami, Mojgan Gharipour, Mahmoud Rafieian-Kopaei
BACKGROUND: Hyperlipidemia is one of the important diseases in pregnancy that causes fetal abnormalities during pregnancy and after the birth. Unfortunately, the usual anti-fat drugs are associated with high morbidity in fetus and due to people's inclination towards taking herbs, it is required to identify side effects of medicinal herbs in pregnancy. The aim of this study was to present hypolipidemic herbs that would not any complications for mother and fetus. METHODS: In this review article, the major electronic databases such as EBSCO, Central Register of Controlled Trials (CENTRAL), China Network Knowledge Infrastructure (CNKI), Cochrane, Google scholar, MEDLINE, SciVerse, Scopus, and Web of Science were searched using the key words "herbal" and "hyperlipidemia", "herbal" and "pregnancy" matched by MeSH from their respective inceptions till September, 2016...
May 2017: ARYA Atherosclerosis
https://www.readbyqxmd.com/read/29141109/hepatic-ppar%C3%AE-mediates-the-major-metabolic-effects-of-wy-14643
#10
Guolin Li, Chad N Brocker, Cen Xie, Tingting Yan, Audrey Noguchi, Kristopher W Krausz, Rong Xiang, Frank J Gonzalez
BACKGROUND AND AIM: Peroxisome proliferator-activated receptor alpha (PPARα) is a molecular target of various fibrate drugs clinically used to lower serum lipids. However, the tissue-specific functions of PPARα remain to be elucidated. This study aimed to explore the tissue-specific functions of PPARα in response to Wy-14643. METHODS: A hepatocyte-specific Ppara knockout mouse line was used to explore the impact of hepatic PPARα activity on the systemic response to treatment with the potent PPARα agonist Wy-14643...
November 15, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29136959/alterations-of-biomechanics-in-cancer-and-normal-cells-induced-by-doxorubicin
#11
Kaja Fraczkowska, Marcin Bacia, Magda Przybyło, Dominik Drabik, Aleksandra Kaczorowska, Justyna Rybka, Ewa Stefanko, Slawomir Drobczynski, Jan Masajada, Halina Podbielska, Tomasz Wrobel, Marta Kopaczynska
Mechanical properties of biological structures play an important role in regulating cellular activities and are critical for understanding metabolic processes in cancerous cells and the effects of drugs. For some cancers, such as acute myeloid leukaemia, chemotherapy is one of preferential methods. However, due to the lack of selectivity to cancer cells, cytostatic agents cause toxicity to normal tissues. Here, we study the effect of doxorubicin (DOX) on the mechanical properties of DNA molecules, leukemic blast cells and erythrocytes, using optical tweezers...
November 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29136753/-metabolomics-study-of-tris-2-chloroethyl-phosphate-induced-hepaotoxicity-and-nephrotoxicity-in-sprague-dawley-rats
#12
W Q Yang, F Zhao, L Li, Y J Fang
Objective: To discuss the potential toxic target organ and the toxic effects and mechanisms of tris (2-chloroethyl) phosphate (TCEP) on SD rats. Methods: 40 female SD rats weaning from milk for 21 days, weighted (50±2.3)g were selected as subjects and marked by the weight. They were randomly divided into 4 groups, namely control group, 50 (L), 100 (M) and 250 (H) mg·kg(-1)·d(-1) dose of TCEP group. Each group has 10 rats, and administrated the corresponding dose of drug or vehicle by mouth, quaque die for 60 days...
November 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29132235/a-cell-based-assay-to-investigate-hypolipidemic-effects-of-nonalcoholic-fatty-liver-disease-therapeutics
#13
Tapan Dave, Arno William Tilles, Muralikrishna Vemula
In the recent past, there has been a growing interest in developing nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH) therapeutics. As a result, a need for in vitro cell models of human hepatic steatosis and high-throughput assays to measure intracellular lipid levels has arisen. To address this growing need, we optimized the conditions based on the current literature to fatten HepG2 hepatocytes by adding a mixture of saturated and unsaturated fatty acids (oleate/palmitate, 2:1 molar ratio) without inducing any overt cytotoxicity...
November 1, 2017: SLAS Discovery
https://www.readbyqxmd.com/read/29127234/ppar%C3%AE-agonists-acutely-inhibit-calcium-independent-pla2-to-reduce-h2o2-induced-contractions-in-aortae-of-spontaneously-hypertensive-rats
#14
Hui Chen, Ricky Y K Man, Susan W S Leung
Hypertension is associated with endothelial dysfunction, which favors the release of endothelium-derived contracting factors, including vasoconstrictor prostanoids and reactive oxygen species. Peroxisome proliferator-activated receptor α (PPARα) agonists, clinically used as lipid lowering drugs, possess antioxidant properties and exert beneficial effects in the vascular system. The present study aimed to identify the mechanism(s) underlying the acute effects of the PPARα agonists, Wy14643 and fenofibate, on endothelium-dependent contractions, in particular, those related to oxidative stress, in the aorta of the spontaneously hypertensive rat (SHR)...
November 10, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29124482/apociii-as-a-cardiovascular-risk-factor-and-modulation-by-the-novel-lipid-lowering-agent-volanesorsen
#15
REVIEW
Natalia A Rocha, Cara East, Jun Zhang, Peter A McCullough
PURPOSE OF REVIEW: Apolipoprotein CIII (ApoCIII) is now recognized as a key regulator in severe hypertriglyceridemia, chylomicronemia, and conditions of triglyceride-rich lipoprotein (TRL) remnant excess due to its inhibition of lipoprotein lipase (LPL) and hepatic lipase, leading to decreased hepatic reuptake of TRLs, as well as enhanced synthesis and secretion of VLDL from the liver. ApoCIII gain-of-function mutations are associated with atherosclerosis and coronary heart disease (CHD), and contribute to the development of cardiometabolic syndrome, hypertriglyceridemia, and type 2 diabetes mellitus...
November 9, 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/29121222/neurological-effects-of-proprotein-convertase-subtilisin-kexin-type-9-inhibitors-direct-comparisons
#16
Navkaranbir S Bajaj, Nirav Patel, Rajat Kalra, Amier Ahmad, Anand Venkatraman, Garima Arora, Pankaj Arora
Aims: Proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors considerably alter the lipid profile. We sought to examine rates of ischemic stroke, and neurocognitive deficits in patients treated with and without PCSK9 inhibitors. Methods and Results: Randomized controlled trials (RCTs) reporting rates of ischemic stroke, and neurocognitive deficits in patients using PCSK9 inhibitors were identified. Standard meta-analysis techniques were used to compare these outcomes among patients treated with and without PCSK9 inhibitors, and the two U...
October 6, 2017: European Heart Journal. Quality of Care & Clinical Outcomes
https://www.readbyqxmd.com/read/29120271/apple-polyphenol-suppresses-indomethacin-induced-gastric-damage-in-experimental-animals-by-lowering-oxidative-stress-status-and-modulating-the-mapk-signaling-pathway
#17
Yi-Chen Lee, Chun-Wen Cheng, Huei-Jane Lee, Huei-Chuien Chu
Indomethacin is a nonsteroid anti-inflammatory drug (NSAID) that is used to alleviate pain and inflammation in clinical medicine. Previous studies indicated that NSAIDs can cause gastrointestinal mucosal complications, and it is associated with mucosal lipid peroxidation and oxidative damage. Based on the evidences, decreasing oxidative stress may be an ideal therapeutic strategy for preventing gastrointestinal ulcer. Apple (Rosaceae Malus sp.) is one of the most commonly consumed fruits worldwide. The abundant polyphenolic constituents have received increasing attention for decades...
November 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29116267/permeation-pathways-through-lateral-domains-in-model-membranes-of-skin-lipids
#18
Annalaura Del Regno, Rebecca Notman
An understanding of how molecules permeate the complex lipid matrix of the stratum corneum (SC) skin barrier is important for transdermal drug delivery, preventing the adsorption of toxic chemicals and tackling skin diseases. In this paper we present atomistic molecular dynamics simulations of skin-lipid bilayers composed of ceramides, cholesterol (CHOL) and free fatty acids at different lipid compositions and levels of hydration and investigate both perpendicular and lateral permeation pathways through the systems...
November 8, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29113503/effects-of-crystalline-state-and-self-nanoemulsifying-drug-delivery-system-snedds-on-oral-bioavailability-of-the-novel-anti-hiv-compound-6-benzyl-1-benzyloxymethyl-5-iodouracil-in-rats
#19
Ying-Yuan Lu, Wen-Bing Dai, Xin Wang, Xiao-Wei Wang, Jun-Yi Liu, Pu Li, Ya-Qing Lou, Chuang Lu, Qiang Zhang, Guo-Liang Zhang
The objective of this study was to investigate the effect of crystalline state and a formulation of self-nanoemulsifying drug delivery system (SNEDDS) on oral bioavailability of 6-benzyl-1-benzyloxymethyl-5-iodouracil (W-1), a novel non-nucleoside reverse transcriptase inhibitor, in rats. The crystalline states of W-1 were characterized by scanning electron microscope (SEM), differential scanning calorimetry (DSC) and X-ray powder diffraction (XRPD). The SNEDDS was formulated by medium-chain lipids, characterized by droplet particle size...
November 8, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/29111431/fliposomes-trans-2-aminocyclohexanol-based-amphiphiles-as-ph-sensitive-conformational-switches-of-liposome-membrane-a-structure-activity-relationship-study
#20
Yu Zheng, Xin Liu, Nataliya M Samoshina, Vyacheslav V Samoshin, Andreas H Franz, Xin Guo
Recently developed lipids with the trans-2-aminocyclohexanol (TACH) moiety represent unique pH-sensitive conformational switches ("flipids") that can trigger the membrane of liposome-based drug delivery systems at lowered pH as seen in many pathological scenarios. A library of flipids with various TACH-based headgroups and hydrocarbon tails were designed, prepared, and characterized to systematically elucidate the relationship between their chemical structures and their ability to form and to trigger liposomes...
October 27, 2017: Chemistry and Physics of Lipids
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