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Background <p>Our previous research demonstrated that growth differentiation factor 15 (GDF15) exhibited superior predictive capability for metabolic dysfunction-associated steatohepatitis (MASH) development with an AUC of&#xa0;0.86 at 10&#xa0;years before disease diagnosis. However, the specific pathways and molecular mechanisms associated with GDF15 expression during MASH development remain to be fully investigated in humans.</p> Methods <p>A nested case–control study comprising a MASH group of 78 individuals and three age- and sex-matched control groups (156 metabolic dysfunction-associated steatosis, 78 viral hepatitis, and 156 normal liver controls) was conducted. The baseline levels of GDF15-related transcription factors and upstream signaling pathways associated with the identified transcription factors were analysed prospectively.</p> Results <p>The&#xa0;significantly higher level of nuclear factor of activated T cells 3 (NFATC3), a transcription factor for GDF15, was identified in the circulation in MASH patients compared to&#xa0;controls. Expression of the non-canonical Wnt signaling pathway that is upstream of NFATC3, and its related proteins CTHRC1, FRZB, SFRP1, and SFRP4, were highest in the MASH group, suggesting a non-canonical Wnt signaling/NFATC3/GDF-15 cascade in MASH disease pathogenesis. A predictive model for MASH development based on four biomarkers (CTHRC1, FRZB, NFATC3, and GDF15) showed an AUC of 0.90 at 10&#xa0;years. A protein-clinical model that included these four circulating proteins and BMI yielded an AUC of 0.93 at 10&#xa0;years.</p> Conclusions <p>Non-canonical Wnt signaling pathway may activate NFATC3 to promote GDF15 expression in MASH disease pathogenesis. These molecular mechanisms provide novel insights for developing targeted therapies that could modulate the non-canonical Wnt/NFATC3/GDF15 cascade to prevent/treat MASH.</p> Graphical abstract <p></p>

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Non-canonical Wnt signaling pathway activated NFATC3 promotes GDF15 expression in MASH: prospective analyses of UK biobank proteomic data

  • 期刊论文

  • 发表日期：

    2025年1月21日

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  • Hao Wang,
  • Xiaoqian Xu,
  • Lichen Shi,
  • Cheng Huang,
  • Yameng Sun,
  • Hong You,
  • Jidong Jia,
  • You-Wen He,
  • Yuanyuan Kong

摘要

Background

Our previous research demonstrated that growth differentiation factor 15 (GDF15) exhibited superior predictive capability for metabolic dysfunction-associated steatohepatitis (MASH) development with an AUC of 0.86 at 10 years before disease diagnosis. However, the specific pathways and molecular mechanisms associated with GDF15 expression during MASH development remain to be fully investigated in humans.

Methods

A nested case–control study comprising a MASH group of 78 individuals and three age- and sex-matched control groups (156 metabolic dysfunction-associated steatosis, 78 viral hepatitis, and 156 normal liver controls) was conducted. The baseline levels of GDF15-related transcription factors and upstream signaling pathways associated with the identified transcription factors were analysed prospectively.

Results

The significantly higher level of nuclear factor of activated T cells 3 (NFATC3), a transcription factor for GDF15, was identified in the circulation in MASH patients compared to controls. Expression of the non-canonical Wnt signaling pathway that is upstream of NFATC3, and its related proteins CTHRC1, FRZB, SFRP1, and SFRP4, were highest in the MASH group, suggesting a non-canonical Wnt signaling/NFATC3/GDF-15 cascade in MASH disease pathogenesis. A predictive model for MASH development based on four biomarkers (CTHRC1, FRZB, NFATC3, and GDF15) showed an AUC of 0.90 at 10 years. A protein-clinical model that included these four circulating proteins and BMI yielded an AUC of 0.93 at 10 years.

Conclusions

Non-canonical Wnt signaling pathway may activate NFATC3 to promote GDF15 expression in MASH disease pathogenesis. These molecular mechanisms provide novel insights for developing targeted therapies that could modulate the non-canonical Wnt/NFATC3/GDF15 cascade to prevent/treat MASH.

Graphical abstract