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Z I Tair, F Bensalah, F Boukortt
AIM OF THE STUDY: To highlight the benefits of green alga Ulva lactuca polysaccharides supplementation on blood pressure and atherogenic risk factors in rats fed a high fat diet. METHODS: Wistar male rats were fed a high fat diet (30% sheep fat) for 3 months. At an average body weight (BW) of 360g, the rats (n=18) were divided into 3 groups and consumed, for 28 days, either a high fat diet (HFD) or a high fat diet enriched with 1% of whole green algae (WGA) powder or with 1% of its polysaccharides (PLS)...
May 15, 2018: Annales de Cardiologie et D'angéiologie
Chi Hang Tse, Jeffrey Comer, Yi Wang, Christophe Chipot
Prediction of membrane permeability to small molecules represents an important aspect of drug discovery. First-principle calculations of this quantity require an accurate description of both the thermodynamics and kinetics that underlie translocation of the permeant across the lipid bilayer. In this contribution, the membrane permeability to three drugs, or drug-like molecules, namely, 9-anthroic acid (ANA), 2',3'-dideoxyadenosine (DDA) and hydrocortisone (HYL) are estimated in a pure 1-palmitoyl-2-oleoyl-phosphatidylcholine (POPC) and in a POPC:cholesterol (2:1) mixture...
May 17, 2018: Journal of Chemical Theory and Computation
F Affane, F Bensalah, N I Harrat, H Chekkal, S Louala, M Y Lamri-Senhadji
AIM OF THE STUDY: The effects of sardine by-products (SBy-P) and fillet proteins (SF-P) were compared to casein (Cas) ; these effects were assessed on blood pressure, glycemic control, reverse cholesterol transport, lipid peroxidation and total antioxidant capacity in obese rats. MATERIALS AND METHODS: Eighteen male Wistar rats were subjected for three months, to a high-fat diet. The obese rats were divided into three groups and consumed the same high-fat diet for 28 days after addition of either, 20% SBy-P, SF-P or Cas...
May 9, 2018: Annales de Cardiologie et D'angéiologie
Federico Oldoni, Damiano Baldassarre, Samuala Castelnuovo, Alice Ossoli, Mauro Amato, Julian van Capelleveen, G Kees Hovingh, Eric de Groot, Andrea Bochem, Sara Simonelli, Simone Barbieri, Fabrizio Veglia, Guido Franceschini, Jan Albert Kuivenhoven, Adriaan G Holleboom, Laura Calabresi
Background -Lecithin:cholesterol acyltransferase (LCAT) is the sole enzyme that esterifies cholesterol in plasma. Its role in the supposed protection from atherogenesis remains unclear since mutations in LCAT causing Fish-Eye Disease (FED) or Familial LCAT Deficiency (FLD) have been reported to be associated with more or instead less carotid atherosclerosis, respectively. This discrepancy may be associated with the loss of cholesterol esterification on only apolipoprotein (apo) A-I (FED) or on both apoA-I and apoB-containing lipoproteins (FLD), an aspect that has thus far not been investigated...
May 10, 2018: Circulation
Smriti M Krishna, Joseph V Moxon, Roby J Jose, Jiaze Li, Amirhossein Sahebkar, Mahmoud R Jaafari, Mahdi Hatamipour, Dawie Liu, Jonathan Golledge
Atherosclerosis is a systemic disease characterized by the deposition of cholesterol and inflammatory cells within the arterial wall. Removal of cholesterol from the vessel wall may have an impact on the size and composition of atherosclerotic lesions. Anionic phospholipids or liposome vesicles composed of a lipid bilayer such as nanoliposomes have been suggested as treatments for dyslipidemia. In this study, we investigated the effect of anionic nanoliposomes on atherosclerosis in a mouse model. Low-density lipoprotein receptor knockout mice (Ldlr-/- ) were fed with an atherosclerosis promoting high fat and cholesterol (HFC) diet for 12 weeks...
May 9, 2018: Journal of Cellular Physiology
JiSu Kim, Mi-Ja Kim, JaeHwan Lee
Effects of different moisture contents and oxidised compounds on the critical micelle concentration (CMC) of lecithin were determined in bulk oils and in medium-chain triacylglycerols (MCT). CMC of lecithin in MCT was significantly higher than that in other vegetable oils including olive, soybean, corn, and rapeseed oils (p < 0.05). Presence of moisture significantly affected the CMC of lecithin in MCT (p < 0.05). CMC of lecithin was high when the moisture content was below 900 ppm, whereas at a moisture content of 1000 ppm, CMC of lecithin decreased significantly (p < 0...
September 30, 2018: Food Chemistry
Burcu Guldiken, Monika Gibis, Dilek Boyacioglu, Esra Capanoglu, Jochen Weiss
In this study, the protection effect of black carrot extract on the stability of liposomes during storage was evaluated. The physical and chemical stability of the extract (0.4% w/w) including extract-loaded liposomes with various lecithin content (1%, 2%, and 4% w/w) were demonstrated. Z-average particle diameter and zeta potentials of liposomes were evaluated before and after 21 days of storage. The particle diameter of the samples was found to be lower than 50 nm after storage and no statistical change was determined (p < 0...
June 2018: Food Research International
Konstantin Loeser, Semjon Seemann, Stefanie König, Isabell Lenhardt, Mona Abdel-Tawab, Andreas Koeberle, Oliver Werz, Amelie Lupp
Introduction: Despite recent advances in critical care, sepsis remains a crucial cause of morbidity and mortality in intensive care units. Therefore, the identification of new therapeutic strategies is of great importance. Since ancient times, frankincense is used in traditional medicine for the treatment of chronic inflammatory disorders such as rheumatoid arthritis. Thus, the present study intends to evaluate if Casperome® (Casp), an orally bioavailable soy lecithin-based formulation of standardized frankincense extract, is able to ameliorate systemic effects and organ damages induced by severe systemic inflammation using a murine model of sepsis, i...
2018: Frontiers in Pharmacology
Baiba K Gillard, Corina Rosales, Bingqing Xu, Antonio M Gotto, Henry J Pownall
Human plasma high-density lipoprotein cholesterol concentrations are a negative risk factor for atherosclerosis-linked cardiovascular disease. Pharmacological attempts to reduce atherosclerotic cardiovascular disease by increasing plasma high-density lipoprotein cholesterol have been disappointing so that recent research has shifted from HDL quantity to HDL quality, that is, functional vs dysfunctional HDL. HDL has varying degrees of dysfunction reflected in impaired reverse cholesterol transport (RCT). In the context of atheroprotection, RCT occurs by 2 mechanisms: one is the well-known trans-hepatic pathway comprising macrophage free cholesterol (FC) efflux, which produces early forms of FC-rich nascent HDL (nHDL)...
April 12, 2018: Journal of Clinical Lipidology
Wasim Sajjad, Sundas Qadir, Manzoor Ahmad, Muhammad Rafiq, Fariha Hasan, Richard Tehan, Kerry L McPhail, Aamer Ali Shah
AIM: The current study was conducted to investigate the possible role of a compatible solute from radio-halophilic bacterium against desiccation and ultra-violet radiation induced oxidative stress. METHODS AND RESULTS: Nine different radio-resistant bacteria were isolated from desert soil, where strain WMA-LM19 was chosen for detailed studies on the basis of its high tolerance to ultraviolet radiation among all these isolates. 16S rRNA gene sequencing indicated the bacterium was closely related to Stenotrophomonas sp...
May 4, 2018: Journal of Applied Microbiology
Korbanjhon Brad, Yan Zhang
Background: The apigenin has important medicinal value. However, the low solubility of apigenin in water significantly reduced its application. Objective: In this study, the apigenin was extracted, and the complex of apigenin and lecithin was obtained by the solvent method and its physical and chemical properties were investigated. Materials and Methods: The apigenin was extracted from the leaves of Adinandra nitida . Afterward, its apigenin was obtained by hydrolysis and recrystallization...
April 2018: Pharmacognosy Magazine
Chia-Yu Su, Michael Chen, Ling-Chun Chen, Yuan-Soon Ho, Hsiu-O Ho, Shyr-Yi Lin, Kuo-Hsiang Chuang, Ming-Thau Sheu
Anti-mPEG/anti-human epidermal growth factor receptor 2 (HER2) bispecific antibodies (BsAbs) non-covalently bound to a docetaxel (DTX)-loaded mPEGylated lecithin-stabilized micellar drug delivery system (Lsb MDDs) were endowed with active targetability to improve the chemotherapeutic efficacy of DTX. DTX-loaded mPEGylated Lsb MDDs formulations were prepared using lecithin/DSPE-PEG(2K or 5K) nanosuspensions to hydrate the thin film, and then they were subjected to ultrasonication. Two BsAbs (anti-mPEG/anti-DNS or anti-HER2) were simply mixed with the Lsb MDDs to form BsAbs-Lsb MDDs formulations, respectively, referred as the DNS-Lsb MDDs and HER2-Lsb MDDs...
November 2018: Drug Delivery
Rolf Teschke
Clinicians caring for patients with alcoholic hepatitis (AH) are often confronted with the question of the best pharmacotherapy to be used. Areas covered: This article covers metabolic aspects of alcohol as the basis of understanding pharmacotherapy and to facilitate choosing the drug therapeutic options for patients with severe AH. Expert opinion: Alcoholic steatohepatitis (ASH) and alcoholic hepatitis (AH) as terms are often used interchangeably in scientific literature but a stringent differentiation is recommended for proper clarity...
April 30, 2018: Expert Opinion on Pharmacotherapy
Tetsuro Akashi, Risa Hashimoto, Akihisa Ohno, Kazuhide Matsumoto, Yukari Nakamura
The occurrence of diarrhea at the beginning of enteral nutrition complicates the continuation of enteral nutrition. Recently, studies in Japan indicated that diarrhea could be improved by changing the enteral formula to one that is emulsified with egg yolk lecithin. In this study, we administered the enteral formula K-2S plus, which is emulsified with egg yolk lecithin, to 15 patients (four men and 11 women; mean age, 79.9 ± 2.0 years) after they had undergone a percutaneous endoscopic gastrostomy (PEG) to prevent the occurrence of diarrhea related to enteral nutrition...
April 2018: Gastroenterology Research
Norihiko Asada, Rumi Kairiku, Mika Tobo, Akifumi Ono
Shiitake (Lentinula edodes) extract, eritadenine, has been shown to reduce cholesterol levels, and its hypocholesterolemic actions are involved in the metabolism of methionine. However, the mechanisms by which eritadenine affects cholesterol metabolism in animals fed a high-fat diet containing different sources of lipids have not yet been elucidated in detail. This study was conducted to investigate the effects of shiitake supplementation on serum lipid concentrations in rats fed a diet including a high amount of a plant oil (HO [high oil] and HOS [high oil with shiitake] groups), animal fat (HF [high fat] and HFS [high fat with shiitake] groups), or MCT- (medium-chain triglyceride-) rich plant oil (HM [high MCT] and HMS [high MCT with shiitake] groups)...
April 27, 2018: Journal of Dietary Supplements
Iman Dankar, Amira Haddarah, Fawaz E L Omar, Montserrat Pujolà, Francesc Sepulcre
Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) techniques were used to study the effect of four food additives, agar, alginate, lecithin and glycerol, at three different concentrations, 0.5, 1 and 1.5%, on the molecular structure of potato puree prepared from commercial potato powder. Vibrational spectra revealed that the amylose-amylopectin skeleton present in the raw potato starch was missing in the potato powder but could be fully recovered upon water addition when the potato puree was prepared...
September 15, 2018: Food Chemistry
Althaf Hussain Shaik, Nayab Rasool Shaik, Abdul Kareem Mohammed, Suliman Yousef Al Omar, Altaf Mohammad, Talal Abdulaziz Mohaya, Lakshmi Devi Kodidhela
The present study aimed to evaluate the effect of Terminalia pallida fruit ethanolic extract (TpFE) on lipids, lipoproteins, lipid metabolism marker enzymes and paraoxonase (PON) in isoproterenol (ISO)-induced myocardial infarcted rats. PON is an excellent serum antioxidant enzyme which involves in the protection of low density lipoprotein cholesterol (LDL-C) from the process of oxidation for the prevention of cardiovascular diseases. ISO caused a significant increase in the concentration of total cholesterol, triglycerides, LDL-C, very low density lipoprotein cholesterol and lipid peroxidation whereas significant decrease in the concentration of high density lipoprotein cholesterol...
March 2018: Saudi Journal of Biological Sciences
Raquel Garzón, Isabel Hernando, Empar Llorca, Cristina M Rosell
BACKGROUND: Much research has been done to explain emulsifiers action during breadmaking, but there is still plenty unknown to elucidate their functionality despite their diverse chemical structure. The aim of the present study was to provide some light about the role of emulsifiers on air incorporation into the dough and gas bubbles progress during baking and their relationship with bread features. Emulsifiers like diacetyl tartaric acid ester of monoglycerides (DATEM), sodium stearoyl lactylate (SSL), distilled monoglyceride (DMG-45 and DMG-75), lecithin and polyglycerol esters of fatty acids (PGEF) were tested in very hydrated doughs...
April 24, 2018: Journal of the Science of Food and Agriculture
Ruihao Pan, Guoqiang Liu, Yongsan Li, Yen Wei, Shurun Li, Lei Tao
Polymeric nanoparticles for drug delivery are attracting broad interest along with the rapid development of biomedical and healthcare research. Here, we prepared a series of nanocapsules via electrostatic precipitation of chitosan and lecithin micelles. These nanocapsules have controlled diameters (∼25-200 nm) that only slightly changed after several lyophilization-dissolving cycles, suggesting their excellent stability for long-term storage. In cell experiments, these nanocapsules obviously reduced the cytotoxicity of encapsulated small molecules, and clearly showed size-dependent endocytosis...
April 24, 2018: Nanoscale
Daixu Wei, Ruirui Qiao, Jinwei Dao, Jing Su, Chengmin Jiang, Xichang Wang, Mingyuan Gao, Jian Zhong
Injectable polymer microsphere-based stem cell delivery systems have a severe problem that they do not offer a desirable environment for stem cell adhesion, proliferation, and differentiation because it is difficult to entrap a large number of hydrophilic functional protein molecules into the core of hydrophobic polymer microspheres. In this work, soybean lecithin (SL) is applied to entrap hydrophilic bone morphogenic protein-2 (BMP-2) into nanoporous poly(lactide-co-glycolide) (PLGA)-based microspheres by a two-step method: SL/BMP-2 complexes preparation and PLGA/SL/BMP-2 microsphere preparation...
April 22, 2018: Small
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