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Lipid Classification

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https://www.readbyqxmd.com/read/29778669/thyroid-status-in-premenopausal-and-postmenopausal-women-a-biochemical-study-on-insulin-resistance-in-non-obese-overweight-and-obese-type-2-diabetics
#1
Rajendran Jayanthi, Abu Raghavan Srinivasan, Gopal Niranjan
BACKGROUND: Insulin resistance with altered thyroid status in women is observed in type 2 diabetics and varies with advancing age and estrogen profile. We compared thyroid status between premenopausal and postmenopausal women in obese, non obese and overweight type 2 diabetes. METHODOLOGY: We included 301type 2 diabetics who were segregated into premenopausal (n = 100) 33.2% and postmenopausal (n = 201) 66.8% among three sub groups (Non obese, overweight and Obese)...
May 10, 2018: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/29761368/idh1-mutation-in-human-glioma-induces-chemical-alterations-that-are-amenable-to-optical-raman-spectroscopy
#2
Ortrud Uckermann, Wenmin Yao, Tareq A Juratli, Roberta Galli, Elke Leipnitz, Matthias Meinhardt, Edmund Koch, Gabriele Schackert, Gerald Steiner, Matthias Kirsch
INTRODUCTION: Mutations in the isocytrate dehydrogenase 1 (IDH1) gene are early genetic events in glioma pathogenesis and cause profound metabolic changes. Because this genotype is found in virtually every tumor cell, therapies targeting mutant IDH1 protein are being developed. The intraoperative administration of those therapies would require fast technologies for the determination of IDH1 genotype. As of today, there is no such diagnostic test available. Recently, infrared spectroscopy was shown to bridge this gap...
May 14, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29760968/analysis-of-hepatitis-c-infection-using-raman-spectroscopy-and-proximity-based-classification-in-the-transformed-domain
#3
Anabia Sohail, Saranjam Khan, Rahat Ullah, Shahzad Ahmad Qureshi, Muhammad Bilal, Asifullah Khan
This work presents a diagnostic system for the hepatitis C infection using Raman spectroscopy and proximity based classification. The proposed method exploits transformed Raman spectra using the proximity based machine learning technique and is denoted as RS-PCA-Prox. First, Raman spectral data is baseline corrected by subtracting noise and low intensity background. After this, a feature transformation of Raman spectra is adopted, not only to reduce the feature's dimensionality but also to learn different deviations in Raman shifts...
May 1, 2018: Biomedical Optics Express
https://www.readbyqxmd.com/read/29755920/patterns-of-chemical-diversity-in-the-marine-ascidian-phallusia-spp-anti-tumor-activity-and-metabolic-pathway-inhibiting-steroid-biosynthesis
#4
Satheesh Kumar Palanisamy, Velusamy Arumugam, Magesh D Peter, Umamaheswari Sundaresan
The complex nature of marine biodiversity is partially responsible for the lack of studies in Indian ascidian species, which often target a small number of novel biomolecules. We performed untargeted metabolomics using gas chromatography-mass spectrometry (GC-MS) in two invasive ascidian species to investigate the inter-specific chemical diversity of Phallusia nigra and P. arabica in search of drug-like properties and metabolic pathways. The chemical profiling of individual ascidian species was obtained using GC-MS, and the metabolites were determined by searching in NIST library and literature data...
May 2018: 3 Biotech
https://www.readbyqxmd.com/read/29736870/can-we-predict-thrombotic-tendency-in-rheumatoid-arthritis-a-thromboelastographic-analysis-with-rotem
#5
Sümeyye Merve Türk, Döndü Üsküdar Cansu, Hava Üsküdar Teke, Timuçin Kaşifoğlu, O Meltem Akay, Muzaffer Bilgin, Cengiz Korkmaz
The higher incidence of arterial and venous events is well established in patients with rheumatoid arthritis (RA). Our aim here was to investigate whether there is a prothrombotic state in RA patients by using rotational thromboelastometry (ROTEM) method and to demonstrate whether the disease variables play a role in this process. A total of 85 patients who met the 2010 RA classification criteria were consecutively included in the study. The patients with RA who have been using antiaggregant, anticoagulant, or nonsteroidal anti-inflammatory drugs (NSAIDs) and had a history of arterial or venous thromboembolism were excluded from the study...
May 7, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29710187/prevalence-and-severity-of-high-blood-pressure-among-children-based-on-the-2017-american-academy-of-pediatrics-guidelines
#6
Atul K Sharma, Daniel L Metzger, Celia J Rodd
Importance: Based on the new 2017 blood pressure guidelines, the prevalence of high blood pressure (BP) among adults has increased from 32% to 46%. Based on new norms and diagnostic thresholds that better align with adult definitions, new clinical practice guidelines were also published for children. The American Academy of Pediatrics clinical practice guidelines for the management of elevated BP in children replace the 2004 fourth report from the National, Heart, Lung, and Blood Institute...
April 23, 2018: JAMA Pediatrics
https://www.readbyqxmd.com/read/29691953/circulating-mots-c-levels-are-decreased-in-obese-male-children-and-adolescents-and-associated-with-insulin-resistance
#7
Caiqi Du, Cai Zhang, Wei Wu, Yan Liang, Anru Wang, Shimin Wu, Yue Zhao, Ling Hou, Qin Ning, Xiaoping Luo
BACKGROUND AND AIMS: A novel bioactive peptide, mitochondrial-derived peptide (MOTS-c), has recently attracted attention as a potential prevention or therapeutic option for obesity and type 2 diabetes mellitus (T2DM). MOTS-c profiles have not yet been reported in human obesity and T2DM. We aimed to determine circulating MOTS-c levels in obesity and explore the association between MOTS-c levels and various metabolic parameters. METHODS: In this case-control study, 40 obese children and adolescents (27 males) and 57 controls (40 males) were recruited in the Hubei Province of China in 2017...
April 25, 2018: Pediatric Diabetes
https://www.readbyqxmd.com/read/29679986/development-and-relative-validation-of-a-food-frequency-questionnaire-for-french-canadian-adolescent-and-young-adult-survivors-of-acute-lymphoblastic-leukemia
#8
Sophia Morel, Olivia Portolese, Yasmine Chertouk, Jade Leahy, Laurence Bertout, Caroline Laverdière, Maja Krajinovic, Daniel Sinnett, Emile Levy, Valérie Marcil
BACKGROUND: Survivors of childhood acute lymphoblastic leukemia (cALL) experience cardiometabolic and bone complications after treatments. This study aimed at developing and validating an interview-administrated food frequency questionnaire (FFQ) that will serve to estimate the impact of nutrition in the development of long-term sequalea of French-Canadian cALL survivors. METHODS: The FFQ was developed to assess habitual diet, Mediterranean diet score, nutrients promoting bone health and antioxidants...
April 21, 2018: Nutrition Journal
https://www.readbyqxmd.com/read/29671593/moving-beyond-the-van-krevelen-diagram-a-new-stoichiometric-approach-for-compound-classification-in-organisms
#9
Albert Rivas-Ubach, Yina Liu, Thomas Stephen Bianchi, Nikola Toliċ, Christer Jansson, Ljiljana Paša-Tolić
van Krevelen diagrams (O:C vs H:C ratios of elemental formulas) have been widely used in studies to obtain an estimation of the main compound categories present in environmental samples. However, the limits defining a specific compound category based solely on O:C and H:C ratios of elemental formulas have never been accurately listed or proposed to classify metabolites in biological samples. Furthermore, while O:C vs. H:C ratios of elemental formulas can provide an overview of the compound categories, such classification is inefficient because of the large overlap among different compound categories along both axes...
April 19, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29671324/discovery-of-lipidome-alterations-following-traumatic-brain-injury-via-high-resolution-metabolomics
#10
Scott R Hogan, John H Phan, Melissa Alvarado-Velez, May Dongmei Wang, Ravi V Bellamkonda, Facundo M Fernandez, Michelle C LaPlaca
Traumatic brain injury (TBI) can occur across wide segments of the population, presenting in a heterogeneous manner that makes diagnosis inconsistent and management challenging. Biomarkers offer the potential to objectively identify injury status, severity, and phenotype by measuring the relative concentrations of endogenous molecules in readily accessible biofluids. Through a data-driven, discovery approach, novel biomarker candidates for TBI were identified in the serum lipidome of adult male Sprague-Dawley rats in the first week following moderate controlled cortical impact (CCI)...
April 19, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29670470/maternal-plasma-metabolomic-profiles-in-spontaneous-preterm-birth-preliminary-results
#11
Barbara Lizewska, Joanna Teul, Pawel Kuc, Adam Lemancewicz, Karol Charkiewicz, Joanna Goscik, Marian Kacerovsky, Ramkumar Menon, Wojciech Miltyk, Piotr Laudanski
Objective: To profile maternal plasma metabolome in spontaneous preterm birth. Method: In this retrospective case-control study, we have examined plasma of patient with preterm birth (between 22 and 36 weeks of pregnancy ( n = 57)), with threatened preterm labor (between 23 and 36 weeks of pregnancy ( n = 49)), and with term delivery ( n = 25). Plasma samples were analysed using liquid chromatography quadrupole time-of-flight mass spectrometry (LC-Q-TOF-MS) in positive and negative polarity modes...
2018: Mediators of Inflammation
https://www.readbyqxmd.com/read/29670294/the-surgical-intelligent-knife-distinguishes-normal-borderline-and-malignant-gynaecological-tissues-using-rapid-evaporative-ionisation-mass-spectrometry-reims
#12
David L Phelps, Júlia Balog, Louise F Gildea, Zsolt Bodai, Adele Savage, Mona A El-Bahrawy, Abigail Vm Speller, Francesca Rosini, Hiromi Kudo, James S McKenzie, Robert Brown, Zoltán Takáts, Sadaf Ghaem-Maghami
BACKGROUND: Survival from ovarian cancer (OC) is improved with surgery, but surgery can be complex and tumour identification, especially for borderline ovarian tumours (BOT), is challenging. The Rapid Evaporative Ionisation Mass Spectrometric (REIMS) technique reports tissue histology in real-time by analysing aerosolised tissue during electrosurgical dissection. METHODS: Aerosol produced during diathermy of tissues was sampled with the REIMS interface. Histological diagnosis and mass spectra featuring complex lipid species populated a reference database on which principal component, linear discriminant and leave-one-patient-out cross-validation analyses were performed...
April 19, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29656566/absence-of-human-skin-irritation-and-allergenic-potential-after-repeated-patch-applications-of-a-lamellar-moisturizer
#13
Stephanie J Nisbet
BACKGROUND: New cosmetic products should undergo clinical evaluation for skin sensitization potential. OBJECTIVES: To assess the irritation and sensitization potential of a moisturizer containing lamellar structured lipids after repeated patch application in humans, using human repeated insult patch test methodology. METHODS: This 6-week, single-center, open-label study compared a lamellar moisturizer with negative saline control in human subjects aged 18-70 years and skin phototype (Fitzpatrick) classification I-IV...
April 15, 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29642500/antibacterial-free-fatty-acids-and-monoglycerides-biological-activities-experimental-testing-and-therapeutic-applications
#14
REVIEW
Bo Kyeong Yoon, Joshua A Jackman, Elba R Valle-González, Nam-Joon Cho
Antimicrobial lipids such as fatty acids and monoglycerides are promising antibacterial agents that destabilize bacterial cell membranes, causing a wide range of direct and indirect inhibitory effects. The goal of this review is to introduce the latest experimental approaches for characterizing how antimicrobial lipids destabilize phospholipid membranes within the broader scope of introducing current knowledge about the biological activities of antimicrobial lipids, testing strategies, and applications for treating bacterial infections...
April 8, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29624500/homocysteine-is-the-confounding-factor-of-metabolic-syndrome-confirmed-by-sims-score
#15
Branko Srećković, Ivan Soldatovic, Emina Colak, Igor Mrdovic, Mirjana Sumarac-Dumanovic, Hristina Janeski, Nenad Janeski, Jasna Gacic, Vesna Dimitrijevic-Sreckovic
BACKGROUND: Abdominal adiposity has a central role in developing insulin resistance (IR) by releasing pro-inflammatory cytokines. Patients with metabolic syndrome (MS) have higher values of homocysteine. Hyperhomocysteinemia correlates with IR, increasing the oxidative stress. Oxidative stress causes endothelial dysfunction, hypertension and atherosclerosis. The objective of the study was to examine the correlation of homocysteine with siMS score and siMS risk score and with other MS co-founding factors...
April 6, 2018: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/29624095/external-validation-of-the-diabetes-early-readmission-risk-indicator-derri-%C3%A2
#16
Daniel J Rubin, Dominic Recco, Alexander Turchin, Huaqing Zhao, Sherita Hill Golden
OBJECTIVE: The Diabetes Early Readmission Risk Indicator (DERRI™ ) was previously developed and internally validated as a tool to predict the risk of all-cause readmission within 30 days of discharge (30-d readmission) of hospitalized patients with diabetes. In this study, the predictive performance of the DERRI™ with and without additional predictors was assessed in an external sample. METHODS: We conducted a retrospective cohort study of adult patients with diabetes discharged from 2 academic medical centers between 1/1/2000 and 12/31/2014...
April 6, 2018: Endocrine Practice
https://www.readbyqxmd.com/read/29623075/gut-microbiome-associates-with-lipid-lowering-effect-of-rosuvastatin-in-vivo
#17
Yinhui Liu, Xiaobo Song, Huimin Zhou, Xue Zhou, Yunlong Xia, Xin Dong, Wei Zhong, Shaoying Tang, Lili Wang, Shu Wen, Jing Xiao, Li Tang
Background: Statin has been widely used to treat hyperlipidemia because of its high potency in decreasing cholesterol levels. The present study aimed to examine the lipid-lowering effect of rosuvastatin and the composition, diversity and species abundance of gut microbiome in association with rosuvastatin efficacy. TRIAL REGISTRATION: ChiCTR-ORC-17013212 at the First Affiliated Hospital of Dalian Medical University, November 2, 2017. Results: Totally 64 patients with hyperlipidemia were treated with 10 mg/day of rosuvastatin for 4-8 weeks...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29620771/an-early-investigative-serum-raman-spectroscopy-study-of-meningioma
#18
Kanika Mehta, Apurva Atak, Aditi Sahu, Sanjeeva Srivastava, Murali Krishna C
Meningiomas represent one of the most frequently reported non-glial, primary brain and central nervous system (CNS) tumors. Meningiomas often display a spectrum of anomalous locations and morphological attributes, deterring their timely diagnosis. Majority of them are sporadic in nature and thus the present-day screening strategies, including radiological investigations, often result in misdiagnosis due to their aberrant and equivocal radiological facets. Therefore, it is pertinent to explore less invasive and patient-friendly biofluids such as serum for their screening and diagnostics...
April 5, 2018: Analyst
https://www.readbyqxmd.com/read/29594558/antimicrobial-peptides-produced-by-brevibacillus-spp-structure-classification-and-bioactivity-a-mini-review
#19
REVIEW
Xu Yang, Ahmed E Yousef
Species that are currently listed under the genus Brevibacillus (formerly, Bacillus brevis cluster) have been a rich source of antimicrobial peptides for many decades. The first known peptide antibiotic, gramicidin, is presumed to be produced by a Brevibacillus sp. Members of the genus are widely spread in nature. They can be found in a variety of environments including intestinal tracts of animals, seawater, and soil. Some Brevibacillus strains have been used commercially as probiotics. Bioactive peptides produced by Brevibacillus spp...
March 29, 2018: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/29578928/negative-correlation-of-high-density-of-lipoprotein-cholesterol-and-bone-mineral-density-in-postmenopausal-iranian-women-with-vitamin-d-deficiency
#20
Zhila Maghbooli, Leila Khorrami-Nezhad, Elham Adabi, Majid Ramezani, Effat Asadollahpour, Farideh Razi, Mohammadtaher Rezanezhad
OBJECTIVE: The aim of the study was to investigate the association between high-density lipoprotein (HDL) and bone status taking into account serum vitamin D levels in postmenopausal Iranian women. METHODS: During January 2015 and February 2016, a total of 488 postmenopausal Iranian women participated in this cross-sectional study, all of whom were not taking osteoporosis medication and were not suffering from any chronic disorder. Dual X-ray absorptiometry was used to assess bone mineral density (BMD) of the total hip, femoral neck, and lumbar vertebrae (L2-L4)...
March 19, 2018: Menopause: the Journal of the North American Menopause Society
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