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. 2024 Feb 8;25(3):1022–1054. doi: 10.1038/s44319-024-00075-z

Figure EV2. Effect of the non-canonical TGFβ pathway on LINC00313 expression.

Figure EV2

(A) LINC00313 levels in HuCCT1 or Huh28 treated with MEK, p38, JNK or PI3K inhibitors, with or without TGFβ1 stimulation for 16 h (n = 3 biological replicates). (B) Immunoblotting for detection of phosphorylated p44/42 (Thr202/Tyr204), phosphorylated p-SAPK/JNK (Thr183/Tyr185), phosphorylated AKT (Ser473), phosphorylated p38 (Thr180/Tyr182), phosphorylated MAPKAPK-2 (Thr334), total p44/42, SAPK/JNK and AKT protein levels and β-tubulin (used as a loading control) in HuCCT1 cells treated with MEK, p38, JNK or PI3K inhibitors, with or without TGFβ1 stimulation for 16 h. DMSO was used as a vehicle treatment. (C) Immunoblotting for detection of the p38 isoforms p38α, p38β, p38γ and p38δ in HuCCT1 cells transiently silenced for MAPK11 or MAPK12 or MAPK13 or MAPK14 and treated or not with TGFβ1 for 16 h. β-tubulin was used as a loading control. (D) Real-time qPCR analysis of LINC00313, MAPK11, MAPK12, MAPK13 and MAPK14 expression in HuCCT1 and Huh28 cell lines transiently transfected with siRNAs targeting MAPK11 or MAPK12 or MAPK13 or MAPK14 and treated or not with TGFβ1 for 16 h. Data information: In Panel (A) data are presented as mean ± SD (n = 3 biological replicates). In panel (D) data are presented as single data points (n = 2 biological replicates). *P ≤ 0.05, **P ≤ 0.01, n.s.: not significant (Student’s t-test). Source data are available online for this figure.