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Metabolites, Volume 8, Issue 3

2018 September - 14 articles

Cover Story: mass spectrometry (IRMS) and nuclear magnetic resonance (NMR) spectroscopy, is revealed to be a useful tool for the characterization, confirmation, and promotion of high-quality PDO olive oils. As an example, Italian “Colline Pontine” PDO olive oils (Lazio region) of consecutive crop years were investigated using the proposed protocol, and the results, elaborated by statistical analyses, allowed the identification of specific sensory and chemical markers. View this paper.
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Articles (14)

  • Article
  • Open Access
17 Citations
4,174 Views
12 Pages

19 September 2018

The long distance transport of Fe and Zn in the phloem sap of wheat (Triticum aestivum L.) is the key route for seed supply, due to wheat having a xylem discontinuity. To date, our knowledge is limited on Fe and Zn homeostasis in the phloem sap durin...

  • Review
  • Open Access
21 Citations
5,154 Views
9 Pages

18 September 2018

Direct mass spectrometry-based metabolomics has been widely employed in recent years to characterize the metabolic alterations underlying Alzheimer’s disease development and progression. This high-throughput approach presents great potential fo...

  • Article
  • Open Access
49 Citations
11,002 Views
14 Pages

Mind the Gap: Mapping Mass Spectral Databases in Genome-Scale Metabolic Networks Reveals Poorly Covered Areas

  • Clément Frainay,
  • Emma L. Schymanski,
  • Steffen Neumann,
  • Benjamin Merlet,
  • Reza M. Salek,
  • Fabien Jourdan and
  • Oscar Yanes

15 September 2018

The use of mass spectrometry-based metabolomics to study human, plant and microbial biochemistry and their interactions with the environment largely depends on the ability to annotate metabolite structures by matching mass spectral features of the me...

  • Article
  • Open Access
23 Citations
6,620 Views
20 Pages

Potential Metabolomic Linkage in Blood between Parkinson’s Disease and Traumatic Brain Injury

  • Massimo S. Fiandaca,
  • Thomas J. Gross,
  • Thomas M. Johnson,
  • Michele T. Hu,
  • Samuel Evetts,
  • Richard Wade-Martins,
  • Kian Merchant-Borna,
  • Jeffrey Bazarian,
  • Amrita K. Cheema and
  • Howard J. Federoff
  • + 1 author

7 September 2018

The etiologic basis for sporadic forms of neurodegenerative diseases has been elusive but likely represents the product of genetic predisposition and various environmental factors. Specific gene-environment interactions have become more salient owing...

  • Article
  • Open Access
39 Citations
8,159 Views
15 Pages

1 September 2018

Eggplant is one of the most widely cultivated vegetables in the world and has high biodiversity in terms of fruit shape, size, and color. Therefore, fruit morphology and nutrient content become important considerations for both consumers and breeders...

  • Article
  • Open Access
14 Citations
6,194 Views
11 Pages

31 August 2018

Lys-derived alkaloids widely distributed in plant kingdom have received considerable attention and have been intensively studied; however, little is known about their biosynthetic mechanisms. In terms of the skeleton formation, for example, of quinol...

  • Review
  • Open Access
39 Citations
6,720 Views
10 Pages

Statistical Analysis of NMR Metabolic Fingerprints: Established Methods and Recent Advances

  • Helena U. Zacharias,
  • Michael Altenbuchinger and
  • Wolfram Gronwald

28 August 2018

In this review, we summarize established and recent bioinformatic and statistical methods for the analysis of NMR-based metabolomics. Data analysis of NMR metabolic fingerprints exhibits several challenges, including unwanted biases, high dimensional...

  • Article
  • Open Access
23 Citations
8,014 Views
17 Pages

Interlaboratory Coverage Test on Plant Food Bioactive Compounds and Their Metabolites by Mass Spectrometry-Based Untargeted Metabolomics

  • Ville Mikael Koistinen,
  • Andreia Bento da Silva,
  • László Abrankó,
  • Dorrain Low,
  • Rocio Garcia Villalba,
  • Francisco Tomás Barberán,
  • Rikard Landberg,
  • Otto Savolainen,
  • Inmaculada Alvarez-Acero and
  • Maria Rosário Bronze
  • + 15 authors

24 August 2018

Bioactive compounds present in plant-based foods, and their metabolites derived from gut microbiota and endogenous metabolism, represent thousands of chemical structures of potential interest for human nutrition and health. State-of-the-art analytica...

  • Article
  • Open Access
14 Citations
7,170 Views
15 Pages

Night Shift Work Affects Urine Metabolite Profiles of Nurses with Early Chronotype

  • Markus Rotter,
  • Stefan Brandmaier,
  • Marcela Covic,
  • Katarzyna Burek,
  • Johannes Hertel,
  • Martina Troll,
  • Erik Bader,
  • Jonathan Adam,
  • Cornelia Prehn and
  • Rui Wang-Sattler
  • + 13 authors

21 August 2018

Night shift work can have a serious impact on health. Here, we assess whether and how night shift work influences the metabolite profiles, specifically with respect to different chronotype classes. We have recruited 100 women including 68 nurses work...

  • Article
  • Open Access
28 Citations
7,957 Views
22 Pages

The use of metabolomics profiling to understand the metabolism under different physiological states has increased in recent years, which created the need for robust analytical platforms. Here, we present a validated method for targeted and semiquanti...

  • Feature Paper
  • Article
  • Open Access
13 Citations
4,846 Views
10 Pages

A Multi-Methodological Protocol to Characterize PDO Olive Oils

  • Simone Circi,
  • Cinzia Ingallina,
  • Silvia Vista,
  • Donatella Capitani,
  • Andrea Di Vecchia,
  • Genesio Leonardi,
  • Giovanni D’Achille,
  • Luigi Centauri,
  • Federica Camin and
  • Luisa Mannina

An analytical approach including Panel Test, Isotope Ratio Mass Spectrometry (IRMS) and Nuclear Magnetic Resonance (NMR) spectroscopy was proposed to characterize Italian “Colline Pontine” PDO olive oils (40 samples) of two consecutive cr...

  • Article
  • Open Access
41 Citations
6,501 Views
19 Pages

Chemical risk assessment remains entrenched in chronic toxicity tests that set safety thresholds based on animal pathology or fitness. Chronic tests are resource expensive and lack mechanistic insight. Discovering a chemical’s mode-of-action ca...

  • Communication
  • Open Access
43 Citations
7,372 Views
14 Pages

Unbiased Lipidomic Profiling of Triple-Negative Breast Cancer Tissues Reveals the Association of Sphingomyelin Levels with Patient Disease-Free Survival

  • Preeti Purwaha,
  • Franklin Gu,
  • Danthasinghe Waduge Badrajee Piyarathna,
  • Theckelnaycke Rajendiran,
  • Anindita Ravindran,
  • Angela R. Omilian,
  • Sao Jiralerspong,
  • Gokul Das,
  • Carl Morrison and
  • Arun Sreekumar
  • + 3 authors

The reprogramming of lipid metabolism is a hallmark of many cancers that has been shown to promote breast cancer progression. While several lipid signatures associated with breast cancer aggressiveness have been identified, a comprehensive lipidomic...

  • Article
  • Open Access
46 Citations
8,584 Views
16 Pages

Stable Isotope-Resolved Metabolomics Shows Metabolic Resistance to Anti-Cancer Selenite in 3D Spheroids versus 2D Cell Cultures

  • Teresa W.-M. Fan,
  • Salim S. El-Amouri,
  • Jessica K. A. Macedo,
  • Qing Jun Wang,
  • Huan Song,
  • Teresa Cassel and
  • Andrew N. Lane

Conventional two-dimensional (2D) cell cultures are grown on rigid plastic substrates with unrealistic concentration gradients of O2, nutrients, and treatment agents. More importantly, 2D cultures lack cell–cell and cell–extracellular mat...

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Metabolites - ISSN 2218-1989