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Related Experiment Video

Updated: Jul 27, 2025

RNA Next-Generation Sequencing and a Bioinformatics Pipeline to Identify Expressed LINE-1s at the Locus-Specific Level
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RNA Next-Generation Sequencing and a Bioinformatics Pipeline to Identify Expressed LINE-1s at the Locus-Specific Level

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Linc00662 m

Shuo Zhang1,2, Tiantian Lai1,2, Xiaowen Su1,2

  • 1Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Jiangnan University 1000 Hefeng Rd, Binhu District, Wuxi 214122, Jiangsu, China.

American Journal of Cancer Research
|June 9, 2023
PubMed
Summary
This summary is machine-generated.

METTL3-associated Linc00662 promotes pancreatic cancer (PC) growth and metastasis by stabilizing itself and activating ITGA1. Targeting Linc00662 and its downstream pathway offers potential PC therapeutic strategies.

Keywords:
FAKITGA1Linc00662N6-methyladenosinePancreatic cancerfocal adhesion

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Area of Science:

  • Oncology
  • Molecular Biology
  • Epigenetics

Background:

  • Pancreatic cancer (PC) prognosis is poor due to recurrence and metastasis.
  • METTL3-mediated N6-methyladenosine (m6A) modification is linked to PC progression, but mechanisms are unclear.

Purpose of the Study:

  • Investigate the role and regulatory mechanism of METTL3 and its associated RNA, Linc00662, in pancreatic cancer progression.

Main Methods:

  • Analyzed METTL3 expression in PC tissues and cells.
  • Screened for m6A-enriched RNAs, identifying Linc00662.
  • Investigated Linc00662 stability, downstream targets (ITGA1), and signaling pathways (IGF2BP3, GTF2B, FAK-Erk) in vitro and in vivo.
  • Utilized a FAK inhibitor (Y15) to assess therapeutic potential.

Main Results:

  • METTL3 was upregulated in PC, correlating with poor prognosis.
  • Linc00662 was identified as an m6A-enriched RNA promoting PC growth and metastasis.
  • Linc00662 stability is maintained by IGF2BP3, and it activates ITGA1 transcription via GTF2B.
  • The Linc00662/ITGA1 axis promotes focal adhesion formation and malignant behavior through the FAK-Erk pathway.
  • FAK inhibition suppressed tumor progression in Linc00662-overexpressing PC cells.

Conclusions:

  • A novel regulatory mechanism involving Linc00662 in oncogene activation and pancreatic cancer progression is proposed.
  • Linc00662 and its downstream genes represent potential therapeutic targets for pancreatic cancer.