Green tea polyphenols inhibit malignant melanoma progression via regulating circ_MITF/miR-30e-3p/HDAC2 axis

Kejia Wu1, Yuegang Wei2, Ye Yu1

  • 1Department of Dermatology, Changzhou Hospital of Traditional Chinese Medicine, Changzhou, China.

Insights

Green tea polyphenols (GTPs) show anticancer effects against malignant melanoma by inhibiting cell growth and promoting apoptosis. GTPs regulate the circ_MITF/miR-30e-3p/HDAC2 pathway, offering a potential therapeutic strategy for melanoma.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Malignant melanoma is a significant health concern.
  • Green tea polyphenols (GTPs) exhibit anticancer properties, but their mechanisms in melanoma are unclear.
  • Understanding GTPs' molecular targets is crucial for therapeutic development.

Purpose of the Study:

  • To elucidate the mechanisms underlying the anticarcinogenic effects of GTPs in malignant melanoma.
  • To investigate the role of circ_MITF, miR-30e-3p, and HDAC2 in GTPs' action.
  • To evaluate the therapeutic potential of GTPs in preclinical melanoma models.

Main Methods:

  • In vitro cellular function assays (proliferation, migration, invasion, apoptosis, EMT).
  • Analysis of circ_MITF, miR-30e-3p, and HDAC2 expression and interactions.
  • In vivo xenograft studies in nude mice.

Main Results:

  • GTPs inhibited melanoma cell proliferation, migration, invasion, EMT, and promoted apoptosis.
  • GTPs decreased elevated circ_MITF expression, which was linked to melanoma progression.
  • GTPs function via the circ_MITF/miR-30e-3p/HDAC2 axis, suppressing tumor growth in vivo.

Conclusions:

  • GTPs suppress melanoma progression through the circ_MITF/miR-30e-3p/HDAC2 pathway.
  • This pathway represents a potential therapeutic target for malignant melanoma intervention.
  • GTPs demonstrate promise as a natural therapeutic agent for melanoma.

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