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Lipid Classification

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https://www.readbyqxmd.com/read/28338924/a-nonsynonymous-snp-catalog-of-mycobacterium-tuberculosis-virulence-genes-and-its-use-for-detecting-new-potentially-virulent-sublineages
#1
N E Mikheecheva, M V Zaychikova, A V Melerzanov, V N Danilenko
Mycobacterium tuberculosis is divided into several distinct lineages, and various genetic markers such as IS-elements, VNTR, and SNPs are used for lineage identification. We propose an M. tuberculosis classification approach based on functional polymorphisms in virulence genes. An M. tuberculosis virulence genes catalog has been established, including 319 genes from various protein groups, such as proteases, cell wall proteins, fatty acid and lipid metabolism proteins, sigma factors, toxin-antitoxin systems...
March 11, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28322140/applications-and-risks-of-nanomaterials-used-in-regenerative-medicine-delivery-systems-theranostics-and-therapy
#2
REVIEW
Estefany I Medina-Reyes, Danae Garcia-Viacobo, Franklin A Carrero-Martinez, Yolanda Irasema Chirino
Recent advances in nanotechnology have transformed the biomedicine field, in which the use of engineered nanomaterials (ENMs) has provided the foundation for novel applications. For this reason, the number of ENMs has increased rapidly, and here we provide a classification of ENMs based on chemical composition and biomedical applications, which include regenerative medicine, delivery systems, theranostics, and therapy. These have been identified as the most advanced and promising areas for further studies with humans...
2017: Critical Reviews in Therapeutic Drug Carrier Systems
https://www.readbyqxmd.com/read/28317602/nanotechnology-approaches-for-increasing-nutrient-bioavailability
#3
S M Jafari, D J McClements
Health-promoting ingredients such as phenolic compounds, vitamins, and minerals are being increasingly introduced into foods and beverages to produce "functional foods" specifically designed to improve human health, well-being, and performance. However, it is often challenging to incorporate these nutraceuticals into foods because they have poor solubility characteristics, impart undesirable flavor profiles, are chemically unstable, or have low bioavailability. This problem can often be overcome by encapsulating the bioactive components in nanoparticle-based delivery systems...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28315850/associations-between-obesity-adverse-behavioral-patterns-and-cardiovascular-risk-factors-among-adolescent-inhabitants-of-a-greek-island
#4
Anastasia Garoufi, Evangelos E Grammatikos, Anastasios Kollias, Emmanuel Grammatikos, George S Stergiou, Alexandra Soldatou
BACKGROUND: Excess weight, unhealthy lifestyle habits and their sequelae have become a well-recognized public health problem in most countries. The objective of the study was to examine the relationship of adolescent overweight/obesity with behavioral habits and their association with blood pressure (BP) and lipid profile. METHODS: Anthropometric parameters, lifestyle, BP and lipid profile of 736 adolescents were evaluated cross-sectionally. The classifications of normal weight, overweight and obese were based on BMI z-scores...
March 20, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28300669/enhanced-plasma-protein-carbonylation-in-patients-with-myelodysplastic-syndromes
#5
Alžběta Hlaváčková, Jana Štikarová, Kristýna Pimková, Leona Chrastinová, Pavel Májek, Roman Kotlín, Jaroslav Čermák, Jiří Suttnar, Jan Evangelista Dyr
Myelodysplastic syndromes (MDS) represent a heterogeneous group of pre-leukemic disorders, characterized by ineffective hematopoiesis and the abnormal blood cell development of one or more lineages. Oxidative stress, as an important factor in the carcinogenesis of onco-hematological diseases, is also one of the known factors involved in the pathogenesis of MDS. An increase of reactive oxygen species (ROS) may lead to the oxidation of DNA, lipids, and proteins, thereby causing cell damage. Protein carbonylation caused by ROS is defined as an irreversible post-translational oxidative modification of amino acid side chains, and could play an important role in signaling processes...
March 12, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28284963/a-structural-appraisal-of-sterol-carrier-protein-2
#6
REVIEW
Noelia I Burgardt, Alejo R Gianotti, Raúl G Ferreyra, Mario R Ermácora
Sterol Carrier Protein 2 (SCP2) has been associated with lipid binding and transfer activities. However, genomic, proteomic, and structural studies revealed that it is an ubiquitous domain of complex proteins with a variety functions in all forms of life. High-resolution structures of representative SCP2 domains are available, encouraging a comprehensive review of the structural basis for its success. Most SCP2 domains pertain to three major families and are frequently found as stand-alone or at the C-termini of lipid related peroxisomal enzymes, acetyltransferases causing bacterial resistance, and bacterial environmentally important sulfatases...
March 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28261588/comparison-of-visceral-fat-accumulation-and-metabolome-markers-among-cats-of-varying-bcs-and-novel-classification-of-feline-obesity-and-metabolic-syndrome
#7
Yuki Okada, Motoo Kobayashi, Masaki Sawamura, Toshiro Arai
As in humans, obesity and its associated diseases represent the most significant threat to the health of veterinary populations. Previous human studies have provided insights into the risk factors of obesity, complex pathogenesis of obesity-associated diseases, and their life-threatening consequences. In humans, the "metabolic syndrome" represents a cluster of metabolic risk factors associated with the development of cardiovascular disease. Risk factors for metabolic syndrome, such as diabetes, obesity, high blood pressure, and its complications increase health-care utilization and medical expenses...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28251351/actinomadura-alkaliterrae-sp-nov-isolated-from-an-alkaline-soil
#8
Hilal Ay, Imen Nouioui, Maria Del Carmen Montero-Calasanz, Lorena Carro, Hans-Peter Klenk, Michael Goodfellow, José M Igual, Demet Çetin, Nevzat Şahin, Kamil Işık
A polyphasic study was undertaken to establish the taxonomic status of an Actinomadura strain isolated from the margin of a saline, alkaline lake in Central Anatolia, Turkey. Strain D310AT(T) was shown to have chemotaxonomic, cultural and morphological properties consistent with its classification in the genus Actinomadura such as hooked or irregular spiral spore chains, meso-diaminopimelic acid as the major cell wall diaminopimelic acid, and diphosphatidylglycerol and phosphatidylinositol as major polar lipids...
March 1, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28243062/oral-and-transdermal-drug-delivery-systems-role-of-lipid-based-lyotropic-liquid-crystals
#9
REVIEW
Rajan Rajabalaya, Muhammad Nuh Musa, Nurolaini Kifli, Sheba R David
Liquid crystal (LC) dosage forms, particularly those using lipid-based lyotropic LCs (LLCs), have generated considerable interest as potential drug delivery systems. LCs have the physical properties of liquids but retain some of the structural characteristics of crystalline solids. They are compatible with hydrophobic and hydrophilic compounds of many different classes and can protect even biologicals and nucleic acids from degradation. This review, focused on research conducted over the past 5 years, discusses the structural evaluation of LCs and their effects in drug formulations...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28236378/hyperemesis-gravidarum-and-cardiometabolic-risk-factors-in-adolescents-a-follow-up-of-the-northern-finland-birth-cohort-1986
#10
M H Koot, I J Grooten, S Sebert, M Koiranen, M R Järvelin, E Kajantie, R C Painter, T J Roseboom
OBJECTIVE: To investigate the long-term consequences of prenatal exposure to maternal hyperemesis gravidarum upon offspring cardiometabolic risk factors. DESIGN: This study is part of the prospective follow-up of the Northern Finland Birth Cohort 1986. SETTING: Between 1 July 1985 and 30 June 1986 all pregnant women in two provinces of Finland were recruited at first antenatal visit (99% of eligible participated). POPULATION: A total of 8953 women with liveborn singleton offspring who consented to having their children followed-up were included...
February 25, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28219343/computing-structure-based-lipid-accessibility-of-membrane-proteins-with-mp_lipid_acc-in-rosettamp
#11
Julia Koehler Leman, Sergey Lyskov, Richard Bonneau
BACKGROUND: Membrane proteins are underrepresented in structural databases, which has led to a lack of computational tools and the corresponding inappropriate use of tools designed for soluble proteins. For membrane proteins, lipid accessibility is an essential property. Although programs are available for sequence-based prediction of lipid accessibility and structure-based identification of solvent-accessible surface area, the latter does not distinguish between water accessible and lipid accessible residues in membrane proteins...
February 20, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28216467/nmr-and-esr-study-of-amphotericin-b-interactions-with-various-binary-phosphatidylcholine-phosphatidylglycerol-membranes
#12
J C Debouzy, L Mehenni, D Crouzier, M Lahiani-Skiba, G Nugue, M Skiba
Several biologically relevant phospholipids are considered as potential excipients for IV administration liposome's formulation of AMB (Biopharmaceututics Classification System Class IV). On the basis of in vivo bioavaibility studies, DMPC and DMPG were ranked as the first potent encapsulation enhancers for this model drug, especially if one expects to target DMPG rich systems as pulmonary surfactant. Subsequently, dispersions (multilayers) of DMPC, DMPG or in binary systems with various molar ratios were prepared with or without AMB (molar ratios AMB/lipid) and further investigated using the (1)H-,(31)P-NMR methods...
February 16, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28190990/the-translation-of-lipid-profiles-to-nutritional-biomarkers-in-the-study-of-infant-metabolism
#13
Animesh Acharjee, Philippa Prentice, Carlo Acerini, James Smith, Ieuan A Hughes, Ken Ong, Julian L Griffin, David Dunger, Albert Koulman
INTRODUCTION: Links between early life exposures and later health outcomes may, in part, be due to nutritional programming in infancy. This hypothesis is supported by observed long-term benefits associated with breastfeeding, such as better cognitive development in childhood, and lower risks of obesity and high blood pressure in later life. However, the possible underlying mechanisms are expected to be complex and may be difficult to disentangle due to the lack of understanding of the metabolic processes that differentiate breastfed infants compared to those receiving just formula feed...
2017: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/28183172/dynamic-changes-of-yak-bos-grunniens-gut-microbiota-during-growth-revealed-by-pcr-dgge-and-metagenomics
#14
Yuanyang Nie, Zhiwei Zhou, Jiuqiang Guan, Baixue Xia, Xiaolin Luo, Yang Yang, Yu Fu, Qun Sun
Objective: To understand the dynamic structure, function, and influence on nutrient metabolism in hosts, it was crucial to assess the genetic potential of gut microbial community in yaks of different ages. Method: The denaturing gradient gel electrophoresis (DGGE) profiles and Illumina-based metagenomic sequencing on colon content of 15 semi-domestic yaks were investigated. Unweighted pairwise grouping method with mathematical averages (UPGMA) clustering and principal component analysis (PCA) were used to analize the DGGE fingerprint...
January 26, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28161896/equation-derived-body-fat-percentage-indicates-metabolic-abnormalities-among-normal-weight-adults-in-a-rural-chinese-population
#15
Xin Liu, Yaling Zhao, Qiang Li, Shaonong Dang, Hong Yan
OBJECTIVES: Obesity classification using body mass index (BMI) may miss subjects with elevated body fat percentage (BF%) and related metabolic risk factors. We aimed to evaluate whether BF% calculated by equations could provide more information about metabolic risks, in addition to BMI classification, in a cross-sectional rural Chinese population. METHODS: A total of 2,990 men and women aged 18-80 years were included in this study. BF% was calculated using previously validated Chinese-specific equations...
February 5, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28155165/histochemical-analysis-of-plant-secretory-structures
#16
Diego Demarco
Histochemical analysis is essential for the study of plant secretory structures whose classification is based, at least partially, on the composition of their secretion. As each gland may produce one or more types of substances, a correct analysis of its secretion should be done using various histochemical tests to detect metabolites of different chemical classes. Here I describe some of the most used methods to detect carbohydrates, proteins, lipids, phenolic compounds, and alkaloids in the secretory structures...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28150104/assessment-of-six-cardiovascular-risk-calculators-in-mexican-mestizo-patients-with-rheumatoid-arthritis-according-to-the-eular-2015-2016-recommendations-for-cardiovascular-risk-management
#17
Dionicio A Galarza-Delgado, Jose R Azpiri-Lopez, Iris J Colunga-Pedraza, Jesus A Cardenas-de la Garza, Raymundo Vera-Pineda, Griselda Serna-Peña, Rosa I Arvizu-Rivera, Adrian Martinez-Moreno, Martin Wah-Suarez, Mario A Garza Elizondo
Variability of the 10-year cardiovascular (CV) risk predicted by the Framingham Risk Score (FRS) using lipids, FRS using body mass index (BMI), Reynolds Risk Score (RRS), QRISK2, Extended Risk Score-Rheumatoid Arthritis (ERS-RA), and algorithm developed by the American College of Cardiology and the American Heart Association in 2013 (ACC/AHA 2013) according to the European League Against Rheumatism (EULAR) 2015/2016 update of its evidence-based recommendations for cardiovascular risk management in patients with rheumatoid arthritis (RA) has not been evaluated in Mexican mestizo patients...
February 1, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28131377/identification-of-otpr-regulated-srnas-in-brucella-melitensis-expressed-under-acidic-stress-and-their-roles-in-pathogenesis-and-metabolism
#18
Udayakumar S Vishnu, Jagadesan Sankarasubramanian, Paramasamy Gunasekaran, Jeyaprakash Rajendhran
Small RNAs (sRNAs) are the small regulatory molecules that regulate various biological processes in bacteria. Though the functions of sRNAs are well documented, very little information is available on the sRNAs of Brucella spp. The otpR is the response regulator of a two-component regulatory system, which plays a significant role in Brucella virulence. In this study, we identified the sRNAs expressed in B. melitensis 16M and its otpR mutant under acidic stress from the RNAseq dataset. We identified 94 trans-encoded and 948 cis-encoded sRNAs in B...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28125557/o-009-long-ncrna-landscape-in-the-ileum-of-treatment-na%C3%A3-ve-early-onset-crohn-disease
#19
Yael Haberman, Marina Ben-Shoshan, Ayelet Di-Segni, Phillip Dexheimer, Tzipi Klein, Batya Weiss, Thomas Walters, Robert Baldassano, Joshua Noe, James Markowitz, Mel Heyman, Joel Rosh, Anne Griffiths, Wallace Crandall, Bruce Aronow, Yair Anikster, Jeffrey Hyams, Subra Kugathasan, Lee Denson
BACKGROUND: Long non-coding RNAs (lncRNA) regulate gene transcription and diverse cellular functions. We have recently reported a core inflammatory and metabolic ileal gene signature in treatment naïve pediatric Crohn Disease (CD), but the potential role of lncRNA was not known. We hypothesized that differences in ileal lncRNA would be associated with differences in protein-coding gene expression, suggesting a role for lncRNA in regulating those gene signatures. METHODS: Poly-A selected RNA-seq and Ensembl annotation were used to define differentially expressed ileal genes with false discovery rate correction of 0...
February 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28111530/ultra-high-performance-liquid-chromatography-high-resolution-mass-spectrometry-plasma-lipidomics-can-distinguish-between-canine-breeds-despite-uncontrolled-environmental-variability-and-non-standardized-diets
#20
Amanda J Lloyd, Manfred Beckmann, Thomas Wilson, Kathleen Tailliart, David Allaway, John Draper
INTRODUCTION AND OBJECTIVES: The purpose of this study was to use high accurate mass metabolomic profiling to investigate differences within a phenotypically diverse canine population, with breed-related morphological, physiological and behavioural differences. Previously, using a broad metabolite fingerprinting approach, lipids appear to dominate inter- and intra- breed discrimination. The purpose here was to use Ultra High Performance Liquid Chromatography-High Resolution Mass Spectrometry (UHPLC-HRMS) to identify in more detail, inter-breed signatures in plasma lipidomic profiles of home-based, client-owned dogs maintained on different diets and fed according to their owners' feeding regimens...
2017: Metabolomics: Official Journal of the Metabolomic Society
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