Nuclear mechanotransduction: sensing the force from within

Avathamsa Athirasala, Nivi Hirsch, Amnon Buxboim

Research output: Contribution to journalReview articlepeer-review

42 Scopus citations

Abstract

The cell nucleus is a hallmark of eukaryotic evolution, where gene expression is regulated and the genome is replicated and repaired. Yet, in addition to complex molecular processes, the nucleus has also evolved to serve physical tasks that utilize its optical and mechanical properties. Nuclear mechanotransduction of externally applied forces and extracellular stiffness is facilitated by the physical connectivity of the extracellular environment, the cytoskeleton and the nucleoskeletal matrix of lamins and chromatin. Nuclear mechanosensor elements convert applied tension into biochemical cues that activate downstream signal transduction pathways. Mechanoregulatory networks stabilize a contractile cell state with feedback to matrix, cell adhesions and cytoskeletal elements. Recent advances have thus provided mechanistic insights into how forces are sensed from within, that is, in the nucleus where cell-fate decision-making is performed.

Original languageAmerican English
Pages (from-to)119-127
Number of pages9
JournalCurrent Opinion in Cell Biology
Volume46
DOIs
StatePublished - Jun 2017

Bibliographical note

Publisher Copyright:
© 2017 Elsevier Ltd

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