Genistin modulates high-mobility group box protein 1 (HMGB1) and nuclear factor kappa-B (NF-κB) in

Mohamed A Saleh1,2, Samar A Antar3, Walied Abdo4

  • 1Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE. mohamed.saleh@sharjah.ac.ae.

Insights

Genistin, a natural flavonoid, effectively combats breast cancer by inducing cancer cell death and reducing tumor growth. It shows promise as a safe and cost-effective anti-cancer agent by targeting inflammation and apoptosis pathways.

Area of Science:

  • Oncology
  • Natural Product Chemistry
  • Molecular Biology

Background:

  • Cancer is a leading cause of death globally, with existing treatments facing challenges like side effects and drug resistance.
  • Targeting inflammation and apoptosis are critical research areas for novel cancer therapies.
  • Natural compounds, particularly flavonoids, offer potential as safe, cost-effective anti-cancer agents with high bioavailability.

Purpose of the Study:

  • To evaluate the in vitro and in vivo anti-cancer properties of the isolated flavonoid, genistin.
  • To investigate genistin's effects on breast cancer cell lines and tumor growth in vivo.
  • To elucidate the molecular mechanisms underlying genistin's anti-cancer activity, focusing on inflammation and apoptosis pathways.

Main Methods:

  • In vitro antiproliferative assays using human breast cancer cell lines (MCF-7 and MDA-MB-231).
  • In vivo studies using Ehrlich's ascites carcinoma (EAC) model to assess tumor growth inhibition.
  • Measurement of key molecular markers including high-mobility group box1 (HMGB1), nuclear factor-kappa B (NF-κB), and B-cell lymphoma 2 (Bcl-2).

Main Results:

  • Genistin demonstrated significant cytotoxic activity against both MCF-7 and MDA-MB-231 breast cancer cell lines in vitro.
  • In vivo, genistin treatment led to a significant reduction in tumor weight and volume in the EAC model.
  • Genistin decreased HMGB1 and NF-κB levels while increasing Bcl-2 expression, indicating anti-inflammatory and anti-apoptotic effects.

Conclusions:

  • Genistin exhibits potent cytotoxic and antiproliferative effects against breast cancer cells.
  • The anti-cancer activity of genistin is mediated through the inhibition of HMGB1 signaling and activation of the Bcl-2 pathway, suggesting anti-inflammatory and anti-apoptotic properties.
  • Genistin represents a promising natural compound for developing novel, cost-effective cancer therapies.

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