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- W2342412576 abstract "Background : A broader view of living systems complexity is bringing important contributions to biological sciences, since the genome expression is affected by other classes of molecules, which in their turn interact themselves in cellular metabolic pathways and biochemical networks. This level of information has been made possible by the emergence of the omic strategies, such as proteomics, metabolomics and lipidomics, that are mainly based on mass spectrometry (MS) platforms. MS has presented an incredible development over the last years, evolving to a powerful and universal analytical technique. Its ability to analyze proteins and small molecules such as lipids, sugars and metabolites at the structural level, with sensitivity and speed inconceivable a few years ago, is the major driving force in the omic fields. The development of electrospray and matrix-assisted laser desorption/ionization (MALDI) ionization techniques has decisively contributed to the many applications of this technology nowadays. Herein, we present and discuss omic concepts and strategies, as well as detail basic principles of MS. Applications and future perspectives of these approaches are focused in the reproductive medicine area. Review : The omic technologies propose global characterization of specific classes of target biomolecules of cellular systems as a strategy to achieve comprehensive understanding of biological functions. The genomics, aimed at performing the entire genetic sequencing of organisms, represented the seminal step towards the understanding of the complex logic that orchestrates the function of all organisms or the defects leading to diseases. But to express the phenotype, information needs to flow from DNA via carrier biomolecules through processes that are being addressed by new omic sciences such as the transcriptomics, proteomics, metabolomics, glycomics, lipidomics, and fluxomics. Mass spectrometry (MS) is nowadays the most powerful technique for the structural characterization of biomolecules, and has therefore become the central technique for the omic sciences. Using revolutionary ionization techniques such as electrospray (ESI) and matrix-assisted laser desorption ionization (MALDI), a wide range of biomolecules such as peptides, proteins, lipids and sugars are efficiently transferred in intact ionized forms to the gas phase for MS analysis. The development of ESI-MS and MALDI-MS has been awarded the Nobel Prize for Chemistry in 2002, rocketing the application of MS in the omic sciences. More recently, ambient ionization MS techniques, such as desorption electrospray ionization (DESI) and easy ambient sonic-spray ionization (EASI), have been developed for ionization in the open atmosphere, in a workup free and high throughput fashion directly from sample in their original environments. For the more complex samples, the coupling with separation techniques such as liquid chromatrography (LC) as well as the use of tandem MS (LC-MS/MS) has allowed comprehensive mixture characterization of major biomolecules. Conclusion: This manuscript describes recent advances of MS in the proteomics, metabolomics and lipidomics for biological sciences, and points out the relevant contributions that MS is likely to bring to fundamental and applied research in human and animal embryo biotechnologies." @default.
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- W2342412576 date "2010-01-01" @default.
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- W2342412576 title "Proteomics, Metabolomics and Lipidomics in Reproductive Biotechnologies: The MS Solutions" @default.
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