NEAT1 promotes the perineural invasion of pancreatic cancer via the E2F1/GDNF axis

  • 0Department of Hepatobiliary Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, 710061, Xi'an, China.

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Summary

This summary is machine-generated.

Non-coding RNA NEAT1 promotes pancreatic cancer metastasis and perineural invasion (PNI) by regulating E2F1. This pathway involves GDNF transcription, impacting tumor spread and patient prognosis.

Area Of Science

  • Oncology
  • Molecular Biology
  • Genetics

Background

  • Pancreatic cancer has a poor prognosis, with a 5-year survival rate below 11%.
  • Perineural invasion (PNI) is a key feature of pancreatic cancer, driving metastasis and worsening outcomes.
  • The role of NEAT1 in pancreatic cancer progression is known, but its specific impact on PNI was uninvestigated.

Purpose Of The Study

  • To investigate the role of NEAT1 in pancreatic cancer metastasis and PNI.
  • To elucidate the molecular mechanisms by which NEAT1 influences PNI, focusing on the E2F1 pathway.

Main Methods

  • In vivo mouse models were used to assess the effect of NEAT1 on PNI.
  • Analysis of E2F1 enrichment at the GDNF promoter region.
  • Investigation of NEAT1's recruitment of P300 and its effect on H3K27ac modification and GDNF transcription.

Main Results

  • NEAT1 was found to facilitate pancreatic cancer metastasis and PNI by regulating E2F1.
  • In vivo experiments confirmed NEAT1's role in promoting PNI.
  • E2F1 directly regulates GDNF transcription, and NEAT1 enhances this by recruiting P300 to induce H3K27ac modification, increasing chromatin accessibility and GDNF expression.

Conclusions

  • NEAT1 promotes pancreatic cancer metastasis and PNI through the E2F1-GDNF pathway.
  • This mechanism involves epigenetic modifications at the GDNF promoter, leading to increased tumor innervation.
  • Targeting the NEAT1/E2F1/GDNF axis may offer therapeutic strategies for pancreatic cancer.