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. 2024 Sep 25;43(21):5260–5287. doi: 10.1038/s44318-024-00214-1

Figure EV4. NELF depletion in K562 TRIP pools.

Figure EV4

(AC) Multiplexed detection of the effect of depletion of NELFB and NELFE on the expression levels of reporter genes randomly integrated throughout the genome in K562 cell pools. Barcoded reporters were driven by promoters from the ARHGEF9, BRINP1, and MED30 genes as indicated. Cell pools are from (Leemans et al, 2019). (A) Western blot of NELFE showing partial knockdown after siRNA-mediated depletion of NELFB or NELFE. (B) Changes in expression of the reporters for the three promoters throughout the genome correlate between NELFB and NELFE knockdowns. Reporters integrated in LADs are shown in green, reporters in iLADs are shown in gray. The gray and green lines represent a fitted linear model for iLAD and LAD integrations, respectively; Pearson correlation and P values are shown in the plots. (C) Changes in expression of each reporter (log2 scale) after siRNA-mediated knock-down of NELFB (top panel) and NELFE (bottom panel), divided by location in either LADs or iLADs. Results are from three replicates for PBRINP1 and two replicates for PMED30 and PARHGEF9. P-values comparing the distributions in LADs and iLADs are according to Wilcoxon test. Source data are available online for this figure.