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Expert Rev Mol Diagn. 2013 Nov;13(8):895-905. doi: 10.1586/14737159.2013.846828. Epub 2013 Oct 21.

Using a systems-based approach to overcome reductionist strategies in the development of diagnostics.

Author information

1
BioRegenerative Sciences, Inc., San Diego, CA, USA +1 858 413 7372 gmaguire@bioregenerativesciences.com.

Abstract

Systems biology is a recent addition to the necessary but insufficient reductionist approach used in biological research. Systems biology is focused on understanding living things as a function of their various interactions at multiple levels: not simply as a sum of all their individual parts at any one level. This integrative approach yields predictive models of the normal state, the disease state and therapeutic actions. Although molecular biology has collected an enormous amount of information, including the sequencing of the entire human genome in the year 2000, few real-world applications have resulted from this molecular approach. The pharmaceutical industry's R&D expenditure has increased substantially since 2000, but the number of approved therapeutics has dropped simultaneously, due in part to over-reliance on reductionist genomic, and not systems, approaches. Instead of using reductionist genomics approaches alone, genomics should be incorporated into a multi-level systems biology approach to develop diagnostics and therapeutics.

PMID:
24138553
DOI:
10.1586/14737159.2013.846828
[Indexed for MEDLINE]

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