The developmental nephrome: systems biology in the developing kidney

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Data
2007-01-01
Autores
Monte, Julio C. [UNIFESP]
Sakurai, Hiroyuki
Bush, Kevin T.
Nigam, Sanjay K.
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Purpose of reviewA set of important genes and signaling pathways involved in kidney development is emerging from analyses of mutant mice, in-vitro models, and global gene expression patterns. Conversion of data into dynamic models or networks through the synthesis of information at multiple levels is crucial for a better understanding of kidney development.Recent findingsGenetic and in-vitro evidence is beginning to provide a limited sense of the network topology in stages, of kidney development. Intriguing data from other fields suggest how, with the aid of large-scale gene expression studies, these stages might be represented as dynamic attractor states. It is also suggested how branching morphogenesis of the epithelial ureteric bud may be sustained by an autocatalytic set of proteins whose interactions lead to repeated rounds of tip and stalk generation. Accumulating data in lower organisms suggest network topologies may be quite flexible, and the implications of these results for varieties of tubulogenesis and renal regeneration after acute injury are discussed.SummaryCurrently it may be feasible to build tentative dynamic multistage models of nephrogenesis that facilitate experimental thinking. As data accumulate, it may become possible to test their predictive value.
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Current Opinion in Nephrology and Hypertension. Philadelphia: Lippincott Williams & Wilkins, v. 16, n. 1, p. 3-9, 2007.