Corporate Banner
Satellite Banner
Chromatography
Scientific Community
 
Become a Member | Sign in
Home>News>This Article
  News
Return

Remodeling of Central Metabolism in Invasive Breast Cancer Compared to Normal Breast Tissue

Published: Friday, September 07, 2012
Last Updated: Friday, September 07, 2012
Bookmark and Share
Researchers from Charité University Hospital have constructed the first comprehensive metabolic map of breast cancer by GC-TOF analysis of a large cohort of breast cancer and normal tissues.

Background:
Changes in energy metabolism of the cells are common to many kinds of tumors and are considered a hallmark of cancer. Gas chromatography followed by time-of-flight mass spectrometry (GC-TOFMS) is a well-suited technique to investigate the small molecules in the central metabolic pathways. However, the metabolic changes between invasive carcinoma and normal breast tissues were not investigated in a large cohort of breast cancer samples so far.

Results:
A cohort of 271 breast cancer and 98 normal tissue samples was investigated using GC-TOFMS-based metabolomics. A total number of 468 metabolite peaks could be detected; out of these 368 (79%) were significantly changed between cancer and normal tissues (p<0.05 in training and validation set). Furthermore, 13 tumor and 7 normal tissue markers were identified that separated cancer from normal tissues with a sensitivity and a specificity of >80%. Two-metabolite classifiers, constructed as ratios of the tumor and normal tissues markers, separated cancer from normal tissues with high sensitivity and specificity. Specifically, the cytidine-5-monophosphate / pentadecanoic acid metabolic ratio was the most significant discriminator between cancer and normal tissues and allowed detection of cancer with a sensitivity of 94.8% and a specificity of 93.9%.

Conclusions:
Furthermore, our results demonstrate that spectrometry-based approaches have the potential to contribute to the analysis of biopsies or clinical tissue samples complementary to histopathology.

The article is published online in the journal BMC Genomics and is free to access.


Further Information

Join For Free

Access to this exclusive content is for Technology Networks Premium members only.

Join Technology Networks Premium for free access to:

  • Exclusive articles
  • Presentations from international conferences
  • Over 3,300+ scientific posters on ePosters
  • More than 4,900+ scientific videos on LabTube
  • 35 community eNewsletters


Sign In



Forgotten your details? Click Here
If you are not a member you can join here

*Please note: By logging into TechnologyNetworks.com you agree to accept the use of cookies. To find out more about the cookies we use and how to delete them, see our privacy policy.

Related Content

Determination of 13 Organic Toxicants in Human Blood
Researchers have utilised liquid-liquid extraction coupling HPLC-MS/MS to identify and quantify organic toxicants in human blood.
Friday, July 22, 2016
Plasma Biomarkers for Breast Cancer Diagnosis
Plasma lipidomics profiling identified lipid biomarkers in distinguishing early-stage breast cancer from benign lesions.
Wednesday, May 11, 2016
A Mechanistic Tool for Studying Fungal Pathogens
This study presents an overview of lipid extraction, chromatographic separation and mass spectrometry employed in qualitative and quantitative sphingolipidomics in fungi.
Wednesday, May 11, 2016
Acetaldehyde and Formaldehyde Content in Foods
Korean researchers have determined the content of the toxic and carcinogenic aldehydes, acetaldehyde and formaldehyde, in a variety of food groups.
Monday, November 09, 2015
Metabolomics Data Normalization with EigenMS
In this study, a singular value decomposition-based method, called EigenMS, for normalization of metabolomics data was tested.
Wednesday, January 07, 2015
Bridging Quantitative Analysis and Untargeted Metabolomics
Untargeted metabolomics has become a popular tool in metabolite biomarker discovery and in the evaluation of metabolic pathway changes associated with disease.
Thursday, December 04, 2014
Proteomics for Systems Toxicology
MS-based proteomics is maturing into a robust technology for the measurement of proteome-wide exposure effects.
Monday, November 24, 2014
Single-Step Isolation of Extracellular Vesicles by SEC
Researchers from the University of Amsterdam have developed a single-step protocol to isolate vesicles from human body fluids.
Thursday, October 16, 2014
Comparison of Caffeinated and Decaffeinated Coffee - Implications for Alzheimer's Disease
Researchers from the National University of Singapore successfully demonstrated the viability of GC-TOF-MS as an analytical platform for metabolomics analysis of coffee samples.
Monday, September 08, 2014
RP HPLC Retention Behaviours in Carotenoids Analysis
The efficiency of the separation process in reversed-phase HPLC is highly dependent on the binary hydro-organic mobile phase composition and surface properties of the packing material.
Thursday, August 14, 2014
Identification of Psoriatic Arthritis Mediators in Synovial Fluid
This study represents the most comprehensive proteomic analysis of psoriatic arthritis synovial fluid, to date.
Friday, August 08, 2014
Simultaneous Determination of Six Flame Retardants in Water
The work aimed to develop an analytical procedure for the extraction and simultaneous determination of selected flame retardants.
Thursday, July 24, 2014
Assessing Anticancer Drugs Efficacy by Amino Acid Metabolomics
Researchers aimed to develop a method that determines the therapeutic efficacy of anticancer drugs based on the changes in amino acid metabolism at the cellular level.
Thursday, July 17, 2014
UHPLC: The Greening Face of Liquid Chromatography
Greening pathways for liquid chromatography is especially significant for drug analysis in the pharmaceutical matrix.
Thursday, June 26, 2014
Evaluating Acute Hydrogen Sulfide Poisoning in Rats through Serum Metabolomics
Through the use of GC/MS-based metabolomics, researchers have evaluated the effect of acute hydrogen sulfide poisoning on the metabolic profiles of rats.
Thursday, June 12, 2014
Scientific News
How Cloud Connectivity Can Combat the Reproducibility Crisis
This infographic explains the reproducibility crisis, and how cloud connectivity can help overcome this problem.
Simplifying Drug Development
Scientists have for the first time revealed the nanostructure of the mesoporous magnesium carbonate Upsalite® and controlled pore size without organic molecules as templates or swelling agent.
Two New Carcinogens Found in E-cig Vapor
Berkeley Lab study identifies two additional carcinogens not previously reported in e-cigarette vapor.
Quantifying Water Content in Solid Pharma Drugs
UTA chemists devise cheaper, faster, more accurate, automated method to quantify water content in solid pharmaceutical drugs.
Core-Shell Columns in HPLC: Food Analysis Applications
Explore the most recent applications of core-shell columns in food analysis.
Review of the Analysis of Haemoglobin A1c for Diabetes Diagnostics
This paper aims to clarify methods, units, quality requirements, reference and cutoff limits for hemoglobin A1c (HbA1c) and ratio of blood glucose/HbA1c on the basis of the results from Finnish quality control surveys by comparing them to the literature.
Determination of 13 Organic Toxicants in Human Blood
Researchers have utilised liquid-liquid extraction coupling HPLC-MS/MS to identify and quantify organic toxicants in human blood.
Massive Helium Discovery a "Game Changer" for Medical Industry
A new development is gas exploration has yielded the discovery of a huge helium gas field, which could help relieve the dwindling supply.
Making Metabolite Identification More Efficient
Metasense combines the industry's most-comprehensive metabolic transformation prediction with efficient analysis of LC/MS analytical measurements to identify, visualize, and report chemical biotransformations.
ASMS 2016: Targeting Mass Spectrometry Tools for the Masses
The expanding application range of MS in life sciences, food, energy, and health sciences research was highlighted at this year's ASMS meeting in San Antonio, Texas.
Skyscraper Banner

SELECTBIO Market Reports
Go to LabTube
Go to eposters
 
Access to the latest scientific news
Exclusive articles
Upload and share your posters on ePosters
Latest presentations and webinars
View a library of 1,800+ scientific and medical posters
3,300+ scientific and medical posters
A library of 2,500+ scientific videos on LabTube
4,900+ scientific videos
Close
Premium CrownJOIN TECHNOLOGY NETWORKS PREMIUM FOR FREE!