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Polyene phosphatidylcholine overcomes oxaliplatin resistance in human gastric cancer BGC823 cells

Hongjun Zhang1, Hao Song1, Ronghui Yuan2

  • 1Department of Oncology, The Affiliated Hospital of Qingdao University, Qingdao, China.

Biochemical and Biophysical Research Communications
|February 9, 2018
PubMed

Insights

Polyene phosphatidylcholine (PPC) overcomes oxaliplatin resistance in gastric cancer by enhancing apoptosis and reducing stemness factors. This combination therapy shows promise for improving treatment outcomes.

Area of Science:

  • Oncology
  • Pharmacology
  • Molecular Biology

Background:

  • Oxaliplatin (L-OHP) resistance is a significant barrier to effective gastric cancer treatment.
  • Developing strategies to overcome L-OHP resistance is crucial for improving patient outcomes.

Purpose of the Study:

  • To investigate the potential of polyene phosphatidylcholine (PPC) in overcoming oxaliplatin resistance in gastric cancer.
  • To elucidate the mechanisms by which PPC affects oxaliplatin-resistant gastric cancer cells.

Main Methods:

  • Generation of an oxaliplatin-resistant gastric cancer cell line (BGC823/L-OHP).
  • Treatment of resistant cells with L-OHP and PPC, individually and in combination.
  • Assessment of cell proliferation, apoptosis, and expression of key proteins (ABCF2, Nanog, TLR4).

Main Results:

  • PPC treatment significantly enhanced the anti-proliferative and pro-apoptotic effects of L-OHP in resistant cells.
  • PPC inhibited the upregulation of ABCF2, a protein associated with drug resistance.
  • PPC reduced the expression of Nanog and TLR4, indicating a decrease in cancer stem cell-like properties.

Conclusions:

  • Polyene phosphatidylcholine (PPC) effectively overcomes oxaliplatin resistance in gastric cancer cells.
  • PPC acts by promoting apoptosis, inhibiting ABCF2 expression, and reducing cancer stem cell-like features.
  • Combination therapy with PPC and oxaliplatin holds potential for clinical application in gastric cancer treatment.
Keywords:
ABC transporterGastric cancerNanogOxaliplatinTLR4

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