Dual Specificity Phosphatase 27 Regulates Pluripotency and Meso-Endodermal Differentiation by Interacting with Transcription Factor CP2 Like-1 in Embryonic Stem Cells

Transcription factor CP2-like protein 1 (Tfcp2l1), a naïve pluripotency transcription factor, is expressed in both early embryonic and adult tissues, where it enforces pluripotency of embryonic stem cells (ESCs) and stemness features of cancer cells, respectively. However, the detailed molecular pathways by which Tfcp2l1 is regulated in early embryonic development and cancer cells remain unknown. Here, we identified the pseudophosphatase dual specificity phosphatase 27 (Dusp27), also known as serine/threonine/tyrosine-interacting like-2, as a novel Tfcp2l1-interacting protein through a sterile alpha motif-like domain in the C-terminus of Tfcp2l1 in murine ESCs. The interaction between Dusp27 and Tfcp2l1 was dependent on the cell cycle status and increased during mitosis. Expression of Dusp27 was upregulated during naïve pluripotency and repressed during spontaneous differentiation of murine ESCs. Ectopic expression of Dusp27 enhanced the transcriptional activity of Tfcp2l1 and promoted features associated with the naïve pluripotent state, while suppressing meso-endodermal lineage differentiation. The present study demonstrates that Dusp27 is a novel positive regulator of Tfcp2l1 through a physical interaction and thereby fine-tunes the pluripotency status and meso-endodermal differentiation of murine ESCs.

• Publication year

  2025

• Venue

  International Journal of Stem Cells

• Publication date

  2025-10-24

• Fields of study

  Biology, Medicine

• Identifiers
  DOI 10.15283/ijsc25047PMID 41131864PMCID 12658156
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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