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Lipid Classification

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https://www.readbyqxmd.com/read/28429694/the-rationale-and-design-of-the-national-familial-hypercholesterolemia-registries-in-turkey-a-hit1-and-a-hit2-studies
#1
Meral Kayıkçıoğlu, Lale Tokgözoğlu
OBJECTIVE: Familial hypercholesterolemia (FH) is a genetic disease characterized by extremely high levels of cholesterol, leading to premature atherosclerosis. Although many countries have already addressed the burden of FH by means of national registries, Turkey has no national FH registry or national screening program to detect FH. Creation of a series of FH registries is planned as part of Turkish FH Initiative endorsed by the Turkish Society of Cardiology to meet this need. This article provides detailed information on the rationale and design of the first 2 FH registries (A-HIT1 and A-HIT2)...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28416487/metabolic-markers-and-statistical-prediction-of-serous-ovarian-cancer-aggressiveness-by-ambient-ionization-mass-spectrometry-imaging
#2
Marta Sans, Kshipra M Gharpure, Robert Tibshirani, Jialing Zhang, Li Liang, Jinsong Liu, Jonathan H Young, Robert Dood, Anil K Sood, Livia Eberlin
Ovarian high-grade serous carcinoma (HGSC) results in the highest mortality among gynecological cancers, developing rapidly and aggressively. Dissimilarly, serous borderline ovarian tumors (BOT) can progress into low-grade serous carcinomas and have relatively indolent clinical behavior. The underlying biological differences between HGSC and BOT call for accurate diagnostic methodologies and tailored treatment options, and identification of molecular markers of aggressiveness could provide valuable biochemical insights and improve disease management...
April 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28412226/expression-profiling-based-clustering-of-healthy-subjects-recapitulates-classifications-defined-by-clinical-observation-in-chinese-medicine
#3
Ruoxi Yu, Dan Liu, Yin Yang, Yuanyuan Han, Lingru Li, Luyu Zheng, Ji Wang, Yan Zhang, Yingshuai Li, Qian-Fei Wang, Qi Wang
Differences between healthy subjects and associated disease risks are of substantial interest in clinical medicine. Based on clinical presentations, Traditional Chinese Medicine (TCM) classifies healthy people into nine constitutions: Balanced, Qi, Yang or Yin deficiency, Phlegm-dampness, Damp-heat, Blood stasis, Qi stagnation, and Inherited special constitutions. In particular, Yang and Yin deficiency constitutions exhibit cold and heat aversion, respectively. However, the intrinsic molecular characteristics of unbalanced phenotypes remain unclear...
January 17, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28408206/towards-understanding-the-molecular-basis-of-ion-channel-modulation-by-lipids-mechanistic-models-and-current-paradigms
#4
REVIEW
José A Poveda, A Marcela Giudici, M Lourdes Renart, Andrés Morales, José M González-Ros
Research on ion channel modulation has become a hot topic because of the key roles these membrane proteins play in both prokaryotic and eukaryotic organisms. In this respect, lipid modulation adds to the overall modulatory mechanisms as a potential via to find new pharmacological targets for drug design based on interfering with lipid/channel interactions. However, our knowledge in this field is scarce and often circumscribed to the sites where lipids bind and/or its final functional consequences. To fully understand this process it is necessary to improve our knowledge on its molecular basis, from the binding sites to the signalling pathways that derive in structural and functional effects on the ion channel...
April 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28399328/high-throughput-label-free-single-cell-microalgal-lipid-screening-by-machine-learning-equipped-optofluidic-time-stretch-quantitative-phase-microscopy
#5
Baoshan Guo, Cheng Lei, Hirofumi Kobayashi, Takuro Ito, Yaxiaer Yalikun, Yiyue Jiang, Yo Tanaka, Yasuyuki Ozeki, Keisuke Goda
The development of reliable, sustainable, and economical sources of alternative fuels to petroleum is required to tackle the global energy crisis. One such alternative is microalgal biofuel, which is expected to play a key role in reducing the detrimental effects of global warming as microalgae absorb atmospheric CO2 via photosynthesis. Unfortunately, conventional analytical methods only provide population-averaged lipid amounts and fail to characterize a diverse population of microalgal cells with single-cell resolution in a non-invasive and interference-free manner...
April 11, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28398850/ethnic-differences-in-lipid-profiles-of-overweight-obese-and-severely-obese-children-and-adolescents-6-19-years-of-age
#6
Sarita Dhuper, Nagla S Bayoumi, Yash D Shah, Shilpa Mehta
BACKGROUND: Ethnic differences in lipid profiles exist in children and adolescents. This study assessed whether variations in lipid profiles present in overweight and obese youth were also observed in severely obese youth. Variations could explain the lower prevalence of the metabolic syndrome in certain ethnic groups at even severe levels of obesity. METHODS: Data were obtained from the National Health and Nutrition Examination Survey for the years of 2001 through 2012...
February 16, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28397443/an-evaluation-of-dual-source-computed-tomography-used-with-the-de-weert-classification-to-detect-vulnerable-plaque-using-ivus-virtual-histology-as-a-standard-of-reference
#7
Bartosz Dołęga-Kozierowski, Piotr Klimeczek, Michał Lis, Róża Krycińska, Anna Chrapusta, Urszula Zaleska-Dorobisz, Jerzy Garcarek, Wojciech Witkiewicz
BACKGROUND: One of the main risk factors for cerebral ischemic events is atherosclerotic disease of the internal carotid artery (ICA). Nowadays, increasing attention is being paid to the relationship between the morphological features of atherosclerotic plaque and the occurrence of stroke. Several studies have demonstrated that the presence of specific vulnerable plaque types, with a large lipid core and thin fibrous cap, can be used as an independent risk predictor of cerebral ischemic events...
January 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28395017/prevalence-of-cardiovascular-risk-factors-and-strokes-in-younger-adults
#8
Mary G George, Xin Tong, Barbara A Bowman
Importance: While stroke mortality rates have decreased substantially in the past 2 decades, this trend has been primarily limited to older adults. Increasing trends in stroke incidence and hospitalizations have been noted among younger adults, but there has been concern that this reflected improved diagnosis through an increased use of imaging rather than representing a real increase. Objectives: To determine whether stroke hospitalization rates have continued to increase and to identify the prevalence of associated stroke risk factors among younger adults...
April 10, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28388168/on-the-structure-and-dynamics-of-water-associated-with-single-supported-zwitterionic-and-anionic-membranes
#9
A Miskowiec, Z N Buck, F Y Hansen, H Kaiser, H Taub, M Tyagi, S O Diallo, E Mamontov, K W Herwig
We have used high-resolution quasielastic neutron scattering (QENS) to investigate the dynamics of water molecules (time scale of motion ∼10(-11)-10(-9) s) in proximity to single-supported bilayers of the zwitterioniclipid DMPC (1,2-dimyristoyl-sn-glycero-3-phosphorylcholine) and the anionic lipid DMPG (1,2-dimyristoyl-sn-glycero-3-phosphoglycerol) in the temperature range 160-295 K. For both membranes, the temperature dependence of the intensity of neutronsscattered elastically and incoherently from these samples indicates a series of freezing/melting transitions of the membrane-associated water, which have not been observed in previous studies of multilayer membranes...
March 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28380036/simple-agarose-micro-confinement-array-and-machine-learning-based-classification-for-analyzing-the-patterned-differentiation-of-mesenchymal-stem-cells
#10
Nobuyuki Tanaka, Tadahiro Yamashita, Asako Sato, Viola Vogel, Yo Tanaka
The geometrical confinement of small cell colonies gives differential cues to cells sitting at the periphery versus the core. To utilize this effect, for example to create spatially graded differentiation patterns of human mesenchymal stem cells (hMSCs) in vitro or to investigate underpinning mechanisms, the confinement needs to be robust for extended time periods. To create highly repeatable micro-fabricated structures for cellular patterning and high-throughput data mining, we employed here a simple casting method to fabricate more than 800 adhesive patches confined by agarose micro-walls...
2017: PloS One
https://www.readbyqxmd.com/read/28376722/evolutionary-gradient-of-predicted-nuclear-localization-signals-nls-bearing-proteins-in-genomes-of-family-planctomycetaceae
#11
Min Guo, Ruifu Yang, Chen Huang, Qiwen Liao, Guangyi Fan, Chenghang Sun, Simon Ming-Yuen Lee
BACKGROUND: The nuclear envelope is considered a key classification marker that distinguishes prokaryotes from eukaryotes. However, this marker does not apply to the family Planctomycetaceae, which has intracellular spaces divided by lipidic intracytoplasmic membranes (ICMs). Nuclear localization signal (NLS), a short stretch of amino acid sequence, destines to transport proteins from cytoplasm into nucleus, and is also associated with the development of nuclear envelope. We attempted to investigate the NLS motifs in Planctomycetaceae genomes to demonstrate the potential molecular transition in the development of intracellular membrane system...
April 4, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28369941/a-model-based-iterative-reconstruction-algorithm-dira-using-patient-specific-tissue-classification-via-dect-for-improved-quantitative-ct-in-dose-planning
#12
Alexandr Malusek, Maria Magnussony, Michael Sandborg, Gudrun Alm Carlsson
PURPOSE: To develop and evaluate-in a proof-of-concept configuration-a novel iterative reconstruction algorithm (DIRA) for quantitative determination of elemental composition of patient tissues for application to brachytherapy with low energy (< 50 keV) photons and proton therapy. METHODS: DIRA was designed as a model-based iterative reconstruction algorithm, which uses filtered backprojection, automatic segmentation and multimaterial tissue decomposition. The evaluation was done for a phantom derived from the voxelized ICRP 110 male phantom...
March 30, 2017: Medical Physics
https://www.readbyqxmd.com/read/28338924/a-nonsynonymous-snp-catalog-of-mycobacterium-tuberculosis-virulence-genes-and-its-use-for-detecting-new-potentially-virulent-sublineages
#13
Natalya E Mikheecheva, Marina V Zaychikova, Alexander V Melerzanov, Valery 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...
April 1, 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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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