ABALON regulates mitophagy and 5-FU sensitivity in colorectal cancer via PINK1-Parkin pathway

  • 0Department of Clinical Laboratory, Affiliated Nantong Hospital 3 of Nantong University, Nantong Third People's Hospital, Nantong, China.

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Summary

This summary is machine-generated.

Long non-coding RNA ABALON promotes colorectal cancer (CRC) progression by regulating mitophagy. Targeting ABALON may reverse chemoresistance, offering a new therapeutic strategy for CRC patients.

Area Of Science

  • Molecular Biology
  • Oncology
  • Cell Biology

Background

  • Long non-coding RNAs (lncRNAs) are implicated in colorectal cancer (CRC) chemoresistance.
  • Mitophagy is crucial for tumor cell survival, but its regulation by lncRNAs in CRC remains unclear.

Purpose Of The Study

  • To investigate the role of lncRNAs in regulating mitophagy and chemoresistance in colorectal cancer.
  • To evaluate the specific function of apoptotic BCL2L1-antisense long non-coding RNA (ABALON) in CRC.

Main Methods

  • Utilized gain/loss of function experiments to study ABALON's biological impact.
  • Assessed mitophagy using Western blot and JC-1 probe.
  • Determined 5-fluorouracil (5-FU) chemosensitivity via CCK-8, flow cytometry, colony formation, and transwell assays.

Main Results

  • ABALON expression is elevated in CRC, correlating with advanced tumor stage and metastasis.
  • ABALON knockdown inhibited proliferation and enhanced apoptosis; it also sensitized CRC cells to 5-FU.
  • ABALON overexpression promoted proliferation, metastasis, and 5-FU resistance, linked to altered mitophagy.

Conclusions

  • ABALON drives colorectal cancer progression through PINK1/Parkin-mediated mitophagy.
  • ABALON represents a potential therapeutic target for overcoming 5-FU resistance in CRC.

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