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. 2020 May 18;6:15. doi: 10.1038/s41540-020-0132-1

Fig. 6. Effect of positive feedback loops on phenotypic plasticity in EMP networks.

Fig. 6

a Demonstration of change in plasticity on altering the total number of positive feedback loops in GRHL2 network. Frequency of multi-stable parameters (PS2) increases as compared to WT upon the addition of positive feedback loop (GRHL2-miR200-ZEB-GRHL2) to the network (WT + 1) and reduces upon reduction of positive feedback loops by changing the GRHL2-ZEB-GRHL2 cycle to negative feedback (WT − 1). b Boxplots of PS2 vs. number of positive feedback loops for all the perturbed networks for GRHL2 and NRF2 networks. c Demonstration of network randomization (the in-degree and out-degree of each node is preserved; however, the number of inhibitory/excitatory nodes arriving at or emerging from a node are not necessarily conserved). d Same as B, but for randomized network topologies. p-value range for one-way ANOVA test are mentioned on the plots.