What is metlin database?
The METLIN Metabolite and Chemical Entity Database is the largest repository of experimental tandem mass spectrometry data acquired from standards. The METLIN database was developed and is maintained solely by the Siuzdak laboratory at The Scripps Research Institute.
What is the first metabolite database?
One of the first dedicated metabolomics databases, the HMDB facilitates human metabolomics research, including the identification and characterization of human metabolites using NMR spectroscopy, GC-MS spectrometry and LC/MS spectrometry.
How do you cite metlin?
Citation: Smith CA, O’Maille G, Want EJ, Qin C, Trauger SA, Brandon TR, Custodio DE, Abagyan R, Siuzdak G. METLIN: a metabolite mass spectral database. Ther Drug Monit.
What is the study of metabolomics?
Metabolomics, which is defined as the comprehensive analysis of metabolites in a biological specimen, is an emerging technology that holds promise to inform the practice of precision medicine.
How many human metabolites are known?
Comparison between the coverage in HMDB 1.0, 2.0, 3.0 and HMDB 4.0
| Category | HMDB 1.0 | HMDB 4.0 |
|---|---|---|
| Total number of metabolites | 2180 | 114 100 |
| Number of detected & quantified metabolites | 883 | 18 557 |
| Number of detected, not quantified metabolites | 1297 | 3271 |
| Number of expected metabolites | 0 | 82 274 |
What can metabolomics be used for?
Since metabolites are so closely linked to the phenotype of an organism, metabolomics can be used for a large range of applications, including phenotyping of genetically modified plants and substantial equivalence testing, determination of gene function, and monitoring responses to biotic and abiotic stress.
What are the advantages of metabolomics?
Studying the metabolome is advantageous for several reasons including, The metabolome provides the closest link to the phenotype of an organism. The analytical approaches are transferable across different biological systems. Metabolism is highly conserved across biology.
Are metabolites toxic?
However, when some substances are metabolized, the resulting metabolites are toxic to the body and can cause fatal results.
Is oxygen a metabolite?
Oxygen—A Key Regulatory Metabolite in Metabolic Defense Against Hypoxia.
What are the applications of metabolomics?
At present, metabolomics is applied to investigate several human diseases, to improve their diagnosis and prevention, and to design better therapeutic strategies. In addition, metabolomic studies are also being carried out in areas such as toxicology and pharmacology, crop breeding, and plant biotechnology.
Why do we study metabolomics?
Metabolomics provides valuable insight into the underlying processes of cells, diseases and, in turn, human health. Such information supports the identification of biomarkers and biological pathways that are active or dormant during states of disease or health.
What can The METLIN MS 2 database do for You?
The expanded METLIN database will enable new types of analyses. First, we expect that a MS 2 database of this size can substantially reduce the magnitude of false positives that molecular identification based solely on molecular ion values can generate.
How is METLIN a metabolite Mass Spectral Database?
METLINincludes an annotated list of known metabolite structural information that is easily cross-correlated with its catalogue of high-resolution Fourier transform mass spectrometry (FTMS) spectra, tandem mass spectrometry (MS/MS) spectra, and LC/MS data.
How many molecular standards are there in METLIN?
METLIN now hosts over 850,000 molecular standards with MS 2 data generated in both positive and negative ionization modes at multiple collision energies, collectively containing over 4,000,000 curated high-resolution tandem mass spectra. Thus, the size of METLIN makes molecular annotation and identification more feasible.