Journal of Biosciences

, Volume 42, Issue 4, pp 683–693 | Cite as

Criticality in cell differentiation

  • Indrani BoseEmail author
  • Mainak Pal


Cell differentiation is an important process in living organisms. Differentiation is mostly based on binary decisions with the progenitor cells choosing between two specific lineages. The differentiation dynamics have both deterministic and stochastic components. Several theoretical studies suggest that cell differentiation is a bifurcation phenomenon, well-known in dynamical systems theory. The bifurcation point has the character of a critical point with the system dynamics exhibiting specific features in its vicinity. These include the critical slowing down, rising variance and lag-1 autocorrelation function, strong correlations between the fluctuations of key variables and non-Gaussianity in the distribution of fluctuations. Recent experimental studies provide considerable support to the idea of criticality in cell differentiation and in other biological processes like the development of the fruit fly embryo. In this review, an elementary introduction is given to the concept of criticality in cell differentiation. The correspondence between the signatures of criticality and experimental observations on blood cell differentiation in mice is further highlighted.


Bifurcation cell differentiation criticality signatures of criticality stochasticity 



IB acknowledges the support by CSIR, India, vide sanction Lett. No. 21(0956)/13-EMR-II dated 28.04.2014. MP acknowledges the support from Bose Institute, India, for carrying out the study. The Authors thank Achintya Singha for his help in preparing the manuscript. Figures 1, 2 and 3 are reprinted with permission from the paper titled “Non-genetic heterogeneity, criticality and cell differentiation” by Pal M, Ghosh S and Bose I 2015 Phys. Biol. 12 016001 (IOP, UK).


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Copyright information

© Indian Academy of Sciences 2017

Authors and Affiliations

  1. 1.Department of PhysicsBose InstituteKolkataIndia

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