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Sulforaphane Inhibits IL-1β-Induced IL-6 by Suppressing ROS Production, AP-1, and STAT3 in Colorectal Cancer HT-29

Dhiraj Kumar Sah1, Archana Arjunan1, Seon Young Park2

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Antioxidants (Basel, Switzerland)
|April 27, 2024
PubMed
Summary

Sulforaphane (SFN), a compound from cruciferous vegetables, combats colorectal cancer (CRC) by reducing inflammation and oxidative stress. This study shows SFN inhibits cancer cell growth and invasion, offering potential for CRC prevention and treatment.

Keywords:
AP-1IL-1βIL-6MAPKROScolorectal cancersulforaphane

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Area of Science:

  • Oncology
  • Molecular Biology
  • Nutritional Science

Background:

  • Colorectal cancer (CRC) is a leading cause of cancer mortality worldwide, with limited treatment efficacy for metastatic disease.
  • Current research targets pathways like oxidative stress, inflammation, and metastasis to improve CRC patient outcomes.
  • Sulforaphane (SFN), a phytochemical in cruciferous vegetables, shows promise as an anticancer agent, but its precise mechanisms in CRC are not fully understood.

Purpose of the Study:

  • To investigate the effects of SFN on Interleukin-1 beta (IL-1β)-induced Interleukin-6 (IL-6) activation in colorectal cancer cells.
  • To elucidate the impact of SFN on mitogen-activated protein kinase (MAPK), activator protein-1 (AP-1), and Signal Transducer and Activator of Transcription 3 (STAT3) signaling pathways.
  • To determine SFN's influence on oxidative stress, cell proliferation, and invasiveness in HT-29 CRC cells.

Main Methods:

  • Utilized HT-29 human colorectal cancer cells.
  • Administered IL-1β stimulation to induce inflammatory and signaling pathways.
  • Assessed the effects of SFN on IL-6 expression, reactive oxygen species (ROS) production, cell proliferation, and invasiveness.
  • Analyzed modulation of MAPK/AP-1 and STAT3 signaling pathways.

Main Results:

  • SFN significantly reduced IL-1β-stimulated IL-6 expression in HT-29 cells.
  • SFN treatment decreased intracellular reactive oxygen species (ROS) production, mitigating oxidative stress.
  • SFN inhibited HT-29 cell proliferation and invasiveness by modulating MAPK/AP-1 and STAT3 signaling pathways.

Conclusions:

  • SFN effectively mitigates IL-1β-induced IL-6 expression in colorectal cancer cells.
  • SFN's chemopreventive and therapeutic potential is linked to its ability to attenuate ROS production and disrupt MAPK/AP-1 signaling.
  • SFN demonstrates promise as a chemotherapeutic agent for colorectal cancer treatment and prevention.