TGF-β activated kinase-1: New insights into the diverse roles of TAK1 in development and immunity

Joseph R. Delaney, Marek Mlodzik

Research output: Contribution to journalReview articlepeer-review

84 Scopus citations


A number of recent publications have examined the role of TAK1 in model systems ranging from fly to mouse. Rather than fit into a clearly defined linear molecular pathway, TAK1 seems to act in a signaling nexus that responds to a variety of upstream signals, including inflammatory molecules and developmental cues. TAK1 then influences a number of downstream processes ranging from innate immune responses to patterning and differentiation via JNK, NFκB and TCFβ-catenin signaling. These differences in function are not simply a matter of cell type. For example, NFκB signaling in a particular cell may or may not require TAK1 depending on the nature of the activating signal. Interestingly, the multi-task functionality of TAK1 is conserved between vertebrate and invertebrate species. Studies of TAK1 in multiple experimental systems is likely to reveal more roles for this kinase and also elucidate mechanisms by which other signaling molecules fulfill diverse signaling roles. Here we provide an overview of the data concerning TAK1 from its discovery to more recent findings and provide a synthesis of the conclusions that have arisen from the multiple model systems and experimental approaches.

Original languageEnglish
Pages (from-to)2852-2855
Number of pages4
JournalCell Cycle
Issue number24
StatePublished - 15 Dec 2006


  • Development
  • Drosophila
  • Embryogenesis
  • Innate immunity
  • JNK
  • NFκB
  • Signaling
  • TAK1
  • TGF-β/BMP


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