Biosacetalin (1,1-Diethoxyethane) Prolongs Survival and Alleviates Cachexia in the NSG Mice Bearing Neuroblastoma

Dhiraj Kumar Sah1,2, Thang Nguyen Huu1,2, Jin Myung Choi3

  • 1Department of Biochemistry, Research Center for Aging and Geriatrics, Research Institute of Medical Sciences, Chonnam National University Medical School, Gwangju 61469, Republic of Korea.

Insights

1,1-Diethoxyethane (1,1-DEE) shows potent anti-neuroblastoma activity by activating AMP-activated protein kinase (AMPK) and Reactive Oxygen Species (ROS). This compound also combats cancer cachexia, offering a dual therapeutic approach.

Area of Science:

  • Oncology
  • Metabolic pathways
  • Mitochondrial function

Background:

  • Neuroblastoma is a challenging pediatric cancer with high-risk disease showing limited treatment options.
  • Metabolic plasticity and the ROS-AMPK axis are key in tumor progression and cachexia.
  • Previous work showed 1,1-Diethoxyethane (1,1-DEE) modulates mitochondrial function and induces ROS.

Purpose of the Study:

  • To investigate 1,1-DEE as a metabolic modulator for neuroblastoma treatment.
  • To explore the role of the ROS-AMPK axis in 1,1-DEE's anti-tumor effects.
  • To assess 1,1-DEE's impact on cancer-associated cachexia.

Main Methods:

  • In vitro studies using neuroblastoma cell lines (SH-SY5Y).
  • In vivo studies using tumor-bearing NSG mice models.
  • Analysis of mitochondrial complex I activity, ROS production, AMPK activation, and PGC1α signaling.
  • Assessment of tumor growth, survival rates, and body weight changes.

Main Results:

  • 1,1-DEE inhibits mitochondrial complex I, increases ROS, and activates AMPK, leading to enhanced aerobic respiration and an anti-Warburg effect.
  • 1,1-DEE induced apoptosis in neuroblastoma cells and significantly suppressed tumor growth in mice.
  • Treatment with 1,1-DEE prolonged median survival to 77 days and alleviated cancer cachexia by preserving body weight.

Conclusions:

  • 1,1-DEE is a novel metabolic modulator with significant anti-neuroblastoma efficacy.
  • The ROS-AMPK signaling axis mediates 1,1-DEE's tumor-selective cytotoxicity and systemic metabolic protection.
  • 1,1-DEE presents a promising unified therapeutic strategy for neuroblastoma and associated cachexia.

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