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https://www.readbyqxmd.com/read/28527394/elucidation-of-penetration-enhancement-mechanism-of-emu-oil-using-ftir-microspectroscopy-at-emira-laboratory-of-sesame-synchrotron
#1
Randa S H Mansour, Alsayed A Sallam, Imad I Hamdan, Enam A Khalil, Ibraheem Yousef
It has been proposed that Emu oil possesses skin permeation-enhancing effect. This study aimed to address its possible penetration enhancement mechanism(s) using IR microscopy, in accordance with LPP theory. The penetration of Emu oil through the layers of human skin was accomplished by monitoring oil-IR characteristic feature at 3006cm(-1). The unsaturated components of Emu oil accumulated at about 270μm depth of skin surface. The interaction of Emu oil with lipid and protein constituents of SC was investigated in comparison with a commonly used enhancer, IPM...
May 12, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28526381/medium-term-effect-of-sublingual-l-glutathione-supplementation-on-flow-mediated-dilation-in-subjects-with-cardiovascular-risk-factors
#2
Jonica Campolo, Stefano Bernardi, Lorena Cozzi, Silvia Rocchiccioli, Cinzia Dellanoce, Antonella Cecchettini, Annamaria Tonini, Marina Parolini, Benedetta De Chiara, Gianpaolo Micheloni, Gualtiero Pelosi, Claudio Passino, Cristina Giannattasio, Oberdan Parodi
OBJECTIVE: Supplementation of glutathione (GSH) may be a positive strategy to improve the endogenous antioxidant defense required to counteract many acute and chronic diseases. However, the efficacy of GSH treatment seems to be closely related to type of administration, degree of absorption, and increase of its concentrations. The aim of this study was to test a new sublingual formulation of L-GSH, which enters directly the systemic circulation, to assess its efficacy on circulating biochemical markers of hepatic metabolism, lipid profile, and oxidative stress and on peripheral vascular function compared with placebo in patients with cardiovascular risk factors (CVRF)...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28523230/targeting-resolution-of-neuroinflammation-after-ischemic-stroke-with-a-lipoxin-a4-analog-protective-mechanisms-and-long-term-effects-on-neurological-recovery
#3
Kimberly E Hawkins, Kelly M DeMars, Jon C Alexander, Lauren G de Leon, Sean C Pacheco, Christina Graves, Changjun Yang, Austin O McCrea, Jan C Frankowski, Timothy J Garrett, Marcelo Febo, Eduardo Candelario-Jalil
BACKGROUND: Resolution of inflammation is an emerging new strategy to reduce damage following ischemic stroke. Lipoxin A4 (LXA 4) is an anti-inflammatory, pro-resolution lipid mediator that reduces neuroinflammation in stroke. Since LXA 4 is rapidly inactivated, potent analogs have been synthesized, including BML-111. We hypothesized that post-ischemic, intravenous treatment with BML-111 for 1 week would provide neuroprotection and reduce neurobehavioral deficits at 4 weeks after ischemic stroke in rats...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28522351/effect-of-early-supplemental-parenteral-nutrition-in-the-paediatric-icu-a-preplanned-observational-study-of-post-randomisation-treatments-in-the-pepanic-trial
#4
Ilse Vanhorebeek, Sascha Verbruggen, Michaël P Casaer, Jan Gunst, Pieter J Wouters, Jan Hanot, Gonzalo Garcia Guerra, Dirk Vlasselaers, Koen Joosten, Greet Van den Berghe
BACKGROUND: Large randomised controlled trials have shown that early supplemental parenteral nutrition in patients admitted to adult and paediatric intensive care units (PICUs) is harmful. Overdosing of energy with too little protein was suggested as a potential reason for this. This study analysed which macronutrient was associated with harm caused by early supplemental parenteral nutrition in the Paediatric Early versus Late Parenteral Nutrition In Critical Illness (PEPaNIC) randomised trial...
May 15, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28522341/systemic-and-ocular-fluid-compounds-as-potential-biomarkers-in-age-related-macular-degeneration
#5
REVIEW
Eveline Kersten, Constantin C Paun, Rosa L Schellevis, Carel B Hoyng, Cécile Delcourt, Imre Lengyel, Tunde Peto, Marius Ueffing, Caroline C W Klaver, Sascha Dammeier, Anneke I den Hollander, Eiko K de Jong
Biomarkers can help unravel mechanisms of disease and identify new targets for therapy. They can also be useful in clinical practice for monitoring disease progression, evaluation of treatment efficacy and risk assessment in multifactorial diseases, such as age-related macular degeneration (AMD). AMD is a highly prevalent progressive retinal disorder for which multiple genetic and environmental risk factors have been described, but the exact etiology is not yet fully understood. Many compounds have been evaluated for their association with AMD...
May 15, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28511155/-the-role-of-inflammatory-biomarkers-in-cardiovascular-risk-stratification
#6
Світлана Г Пузік
INTRODUCTION: The increase in cardiovascular diseases requires the search for ways to predict complications based on research additional to traditional risk factors, conduct a study of the formation mechanisms of these complications and to design new treatment strategies. AIM: To get an idea about the relationship between inflammation in the blood vessels, atherosclerosis and cardiovascular consequences based on the study of the role of biomarkers of inflammation...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28506910/omecamtiv-mecarbil-activates-ryanodine-receptors-from-canine-cardiac-but-not-skeletal-muscle
#7
Péter Nánási, Marta Gaburjakova, Jana Gaburjakova, János Almássy
Due to the limited results achieved in the clinical treatment of heart failure, a new inotropic strategy of myosin motor activation has been developed. The lead molecule of myosin activator agents is omecamtiv mecarbil, which binds directly to the heavy chain of the cardiac β-myosin and enhances cardiac contractility by lengthening the lifetime of the acto-myosin complex and increasing the number of the active force-generating cross-bridges. In the absence of relevant data, the effect of omecamtiv mecarbil on canine cardiac ryanodine receptors (RyR 2) has been investigated in the present study by measuring the electrical activity of single RyR 2 channels incorporated into planar lipid bilayer...
May 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28506439/clinical-review-loperamide-toxicity
#8
REVIEW
Peter E Wu, David N Juurlink
Loperamide is a nonprescription opioid widely used for the treatment of diarrhea. Although it is relatively safe at therapeutic doses, increasing reports describe its misuse and abuse at very high doses either for euphoric effects or to attenuate symptoms of opioid withdrawal. Life-threatening loperamide toxicity can result from the relatively new clinical syndrome of loperamide-induced cardiac toxicity. These patients are often young and may present in cardiac arrest or with unheralded, recurrent syncope in conjunction with ECG abnormalities, including marked QT-interval prolongation, QRS-interval widening, and ventricular dysrhythmias...
May 13, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28506384/managing-the-challenging-homozygous-familial-hypercholesterolemia-patient-academic-insights-and-practical-approaches-for-a-severe-dyslipidemia-a-national-lipid-association-masters-summit
#9
EDITORIAL
G Kees Hovingh, Anne C Goldberg, Patrick M Moriarty
The following article represents material presented and discussed at a symposium hosted by the National Lipid Association hosted entitled "Managing the Challenging Homozygous Familial Hypercholesterolemia Patient-Academic Insights and Practical Approaches for a Severe Dyslipidemia" on November 7, 2015 in Orlando, FL. Presenters included G.K.H., A.C.G, and P.M.M. The diagnosis and genetic causes of extremely high low-density lipoprotein (LDL) cholesterol, which has become known as homozygous familial hypercholesterolemia, were discussed...
May 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28502511/functional-analysis-of-new-3-untranslated-regions-genetic-variants-in-genes-associated-with-genetic-hypercholesterolemias
#10
Flor María Pérez-Campo, Isabel De Castro-Orós, Alicia Noriega, Montserrat Cofán, Itziar Lamiquiz-Moneo, Ana Cenarro, Emilio Ros, Fernando Civeira, Miguel Pocoví, José Carlos Rodríguez-Rey
BACKGROUND: Familial hypercholesterolemia (FH) is the best-described autosomal dominant genetic hypercholesterolemia (GH). Mutations in candidate genes can explain a high proportion of FH cases, but for many, no causative mutations are detected (designed non-FG-GH), suggesting the existence of additional genetic variants associated with the disease. OBJECTIVE: We aimed to identify new single-nucleotide variants (SNVs) located at the 3' untranslated regions (3'UTRs) of the low-density lipoprotein receptor, low-density lipoprotein receptor-related protein-associated protein 1, ATP-binding cassette sub-family G member 5, and sterol regulatory element-binding protein 2 genes in non-FH-GH individuals and investigated whether the association of these SNVs with non-FH-GH could be explained by changes in the affinity of regulatory microRNAs (miRNA) targeting the sequences modified by the SNVs...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28500233/nanoformulation-of-olaparib-amplifies-parp-inhibition-and-sensitizes-pten-tp53-deficient-prostate-cancer-to-radiation
#11
Anne L van de Ven, Shifalika Tangutoori, Paige Baldwin, Ju Qiao, Codi Gharagouzloo, Nina Seitzer, John G Clohessy, G Mike Makrigiorgos, Robert Cormack, Pier Paolo Pandolfi, Srinivas Sridhar
The use of PARP inhibitors in combination with radiation therapy is a promising strategy to locally enhance DNA-damage in tumors. Here we show that radiation-resistant cells and tumors derived from a Pten/Trp53-deficient mouse model of advanced prostate cancer are rendered radiation-sensitive following treatment with NanoOlaparib, a lipid-based injectable nanoformulation of Olaparib. This enhancement in radiosensitivity is accompanied by radiation dose-dependent changes in γ-H2AX expression and is specific to NanoOlaparib alone...
May 12, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28499696/fenofibrate-decreases-plasma-ceramide-in-type-2-diabetes-patients-a-novel-marker-of-cvd
#12
M Croyal, Z Kaabia, L León, S Ramin-Mangata, T Baty, F Fall, S Billon-Crossouard, A Aguesse, T Hollstein, D R Sullivan, E Nobecourt, G Lambert, M Krempf
AIM: The benefit of the lipid-lowering drug fenofibrate on cardiovascular outcomes is controversial. Our aim was to find new circulating markers to identify those patients most likely to benefit from fenofibrate prescription. METHODS: Analyses were conducted of plasma samples collected from 102 patients with type 2 diabetes, enrolled in the FIELD trial, before and after fenofibrate treatment (200mg/day). Non-targeted and targeted lipid analyses and apolipoprotein measurements were made using mass spectrometry methods...
May 9, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28496003/peiminine-inhibits-colorectal-cancer-cell-proliferation-by-inducing-apoptosis-and-autophagy-and-modulating-key-metabolic-pathways
#13
Zhi Zheng, Liting Xu, Shuofeng Zhang, Wuping Li, Fangfang Tou, Qinsi He, Jun Rao, Qiang Shen
Peiminine, a compound extracted from the bulbs of Fritillaria thunbergii and traditionally used as a medication in China and other Asian countries, was reported to inhibit colorectal cancer cell proliferation and tumor growth by inducing autophagic cell death. However, its mechanism of anticancer action is not well understood, especially at the metabolic level, which was thought to primarily account for peiminine's efficacy against cancer. Using an established metabolomic profiling platform combining ultra-performance liquid chromatography/tandem mass spectrometry with gas chromatography/mass spectrometry, we identified metabolic alterations in colorectal cancer cell line HCT-116 after peiminine treatment...
April 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28491136/applications-of-microalgal-biofilms-for-wastewater-treatment-and-bioenergy-production
#14
Ana F Miranda, Narasimhan Ramkumar, Constandino Andriotis, Thorben Höltkemeier, Aneela Yasmin, Simone Rochfort, Donald Wlodkowic, Paul Morrison, Felicity Roddick, German Spangenberg, Banwari Lal, Sanjukta Subudhi, Aidyn Mouradov
BACKGROUND: Microalgae have shown clear advantages for the production of biofuels compared with energy crops. Apart from their high growth rates and substantial lipid/triacylglycerol yields, microalgae can grow in wastewaters (animal, municipal and mining wastewaters) efficiently removing their primary nutrients (C, N, and P), heavy metals and micropollutants, and they do not compete with crops for arable lands. However, fundamental barriers to the industrial application of microalgae for biofuel production still include high costs of removing the algae from the water and the water from the algae which can account for up to 30-40% of the total cost of biodiesel production...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28487432/deciphering-mcr-2-colistin-resistance
#15
Jian Sun, Yongchang Xu, Rongsui Gao, Jingxia Lin, Wenhui Wei, Swaminath Srinivas, Defeng Li, Run-Shi Yang, Xing-Ping Li, Xiao-Ping Liao, Ya-Hong Liu, Youjun Feng
Antibiotic resistance is a prevalent problem in public health worldwide. In general, the carbapenem β-lactam antibiotics are considered a final resort against lethal infections by multidrug-resistant bacteria. Colistin is a cationic polypeptide antibiotic and acts as the last line of defense for treatment of carbapenem-resistant bacteria. Very recently, a new plasmid-borne colistin resistance gene, mcr-2, was revealed soon after the discovery of the paradigm gene mcr-1, which has disseminated globally. However, the molecular mechanisms for MCR-2 colistin resistance are poorly understood...
May 9, 2017: MBio
https://www.readbyqxmd.com/read/28484991/lipid-testing-in-infectious-diseases-possible-role-in-diagnosis-and-prognosis
#16
REVIEW
Sebastian Filippas-Ntekouan, Evangelos Liberopoulos, Moses Elisaf
INTRODUCTION: Acute infections lead to significant alterations in metabolic regulation including lipids and lipoproteins, which play a central role in the host immune response. In this regard, several studies have investigated the role of lipid levels as a marker of infection severity and prognosis. SCOPE OF REVIEW: We review here the role of lipids in immune response and the potential mechanisms underneath. Moreover, we summarize studies on lipid and lipoprotein alterations in acute bacterial, viral and parasitic infections as well as their diagnostic and prognostic significance...
May 8, 2017: Infection
https://www.readbyqxmd.com/read/28483385/acclimation-to-nacl-and-light-stress-of-heterotrophic-chlamydomonas-reinhardtii-for-lipid-accumulation
#17
Jianhua Fan, Lvhong Zheng
Salt stress has been proven very effective in enhancing the lipid content among many photoautotrophically grown microalgae species including marine and freshwater algae. Nevertheless, its effect on heterotrophic grown cells and lipid accumulation is scarcely known. This study sought to demonstrate a new train of thought for cost-effective biofuels production by heterotrophic culture of Chlamydomonas reinhardtii coupling with subsequent salt and light stress. NaCl treatments (25-200 mM) gradually suppressed the cell growth...
May 5, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28482541/liquid-formulation-containing-doxorubicin-loaded-lipid-core-nanocapsules-cytotoxicity-in-human-breast-cancer-cell-line-and-in-vitro-uptake-mechanism
#18
Michelli B Antonow, Ana Carolina C Asbahr, Paula Raddatz, Aline Beckenkamp, Andréia Buffon, Sílvia S Guterres, Adriana R Pohlmann
Cancer is a major public health problem in the world, being breast cancer the most frequent cancer affecting women. Despite advances in detection and treatment, mortality rates remain high. Therefore, new approaches for breast cancer treatments are necessary. In this study, our objective was to develop a liquid formulation containing doxorubicin-loaded lipid-core nanocapsules (DOX-LNC), to evaluate the in vitro antiproliferative activity and to determine the nanocapsules uptake by MCF-7 cells. Lipid-core nanocapsules (LNC), blank formulation, and DOX-LNC, proposed treatment, were prepared by self-assembling using the solvent displacement method...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28480851/new-method-of-treatment-of-pyoinflammatory-soft-tissue-complications-in-patients-with-diabetes-mellitus
#19
S Karatieieva, I Plesh, O Yurkiv, S Semenenko, I Kozlovskaya
Our study evaluated the levels of peroxide oxidation of lipids, oxidative modification of proteins, antioxidant protection and dynamic changes in markers of toxicity in patients with diabetes mellitus and purulent-inflammatory complications. In total, 124 patients were enrolled in the study and were divided into two groups according the treatment methods. Study group consisted of 53 patients, who received intravenously ozonized saline in addition to conservative treatment. The control group consisted of 71 patients who received only conventional therapy...
March 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28476630/membrane-lipid-therapy-a-historical-perspective-of-membrane-targeted-therapies-from-lipid-bilayer-structure-to-the-pathophysiological-regulation-of-cells
#20
REVIEW
Pablo V Escribá
Our current understanding of membrane lipid composition, structure and functions has led to the investigation of their role in cell signaling, both in healthy and pathological cells. As a consequence, therapies based on the regulation of membrane lipid composition and structure have been recently developed. This novel field, known as Membrane Lipid Therapy, is growing and evolving rapidly, providing treatments that are now in use or that are being studied for their application to oncological disorders, Alzheimer's disease, spinal cord injury, stroke, diabetes, obesity, and neuropathic pain...
May 2, 2017: Biochimica et Biophysica Acta
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