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Author Spotlight: Tracing the Ferroptotic Signatures and Cell Death Dynamics in Medulloblastoma for Advanced Therapeutics
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2,3,5,4'-Tetrahydroxystilbene (TG1), a Novel Compound Derived from 2,3,5,4'-Tetrahydroxystilbene-2-O-β-D-glucoside

Kuei-Yen Tsai1,2,3, Po-Li Wei2,4,5,6, Cheng-Chin Lee7

  • 1Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan.

Biomedicines
|July 29, 2023
PubMed
Abstract

Insights

A novel compound, 2,3,5,4'-Tetrahydroxystilbene (TG1), effectively inhibits colorectal cancer (CRC) cell proliferation and induces cell death via ferroptosis. This compound shows promise for clinical applications in CRC treatment.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Colorectal cancer (CRC) presents a significant global health challenge with limited long-term survival in metastatic cases.
  • Current multidisciplinary therapies for CRC have limitations, necessitating novel therapeutic strategies.
  • 2,3,5,4'-Tetrahydroxystilbene (TG1), a derivative of THSG, has emerged as a potential anticancer agent.

Purpose of the Study:

  • To evaluate the anticancer efficacy of TG1 against colorectal cancer (CRC) cell lines.
  • To investigate the mechanisms underlying TG1's anti-CRC effects, including apoptosis, autophagy, and ferroptosis.
  • To explore the role of the MYC pathway in TG1-mediated cytotoxicity.

Main Methods:

  • In vitro cytotoxicity assays (sulforhodamine B) on CRC cell lines (HCT116, HT-29, DLD-1).
  • In vivo tumor growth monitoring using a Xenograft mouse model.
  • Analysis of apoptosis, autophagy, and gene expression (RNA-sequencing) in TG1-treated CRC cells.
  • Assessment of ferroptosis involvement using a specific inhibitor (Bardoxolone).

Main Results:

  • TG1 significantly inhibited CRC cell proliferation both in vitro and in vivo.
  • TG1 induced significant apoptotic cell death and increased autophagy levels in CRC cells.
  • RNA-sequencing revealed TG1's association with the MYC pathway and ferroptosis induction, which was critical for its cytotoxic effect.

Conclusions:

  • TG1 demonstrates potent anticancer activity against colorectal cancer by inhibiting proliferation and inducing ferroptosis.
  • The MYC pathway is implicated in TG1's mechanism of action, highlighting its role in ferroptosis induction.
  • TG1 represents a promising candidate for future clinical development in CRC therapy.
Keywords:
2,3,5,4′-tetrahydroxystilbeneTG1apoptosisautophagycolorectal cancerferroptosis

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