Cell Mol Life Sci 2006 Jul 01;6314:1632-41. doi: 10.1007/s00018-006-6007-9.

Tribbles: novel regulators of cell function; evolutionary aspects.

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Identification of rate-limiting steps or components of intracellular second messenger systems holds promise to effectively interfere with these pathways under pathological conditions. The emerging literature on a recently identified family of signalling regulator proteins, called tribbles gives interesting clues for how these proteins seem to link several 'independent' signal processing systems together. Via their unique way of action, tribbles co-ordinate the activation and suppression of the various interacting signalling pathways and therefore appear to be key in determining cell fate while responding to environmental challenges. This review summarises our current understanding of tribbles function and also provides an evolutionary perspective on the various tribbles genes.

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Species referenced: Xenopus
Genes referenced: trib1 trib2