Perillaldehyde Synergizes with Ferroptosis Inducers to Promote Ferroptotic Cell Death in Gastric Cancer

Researchers at the Affiliated Hospital of Qingdao University have made a breakthrough in understanding the potential therapeutic strategy for treating gastric cancer. According to the study published in Frontiers in Cell and Developmental Biology, perillaldehyde (PAH) has been shown to inhibit tumor growth in gastric cancer cells through multiple mechanisms. The research highlights that PAH induces ferroptosis, a process by which cells undergo iron-dependent oxidative damage, leading to cell death. This study sheds light on the potential therapeutic strategy of combining PAH with ferroptosis inducers to promote ferroptotic cell death in gastric cancer.

Key Takeaways:

• The study used in vitro experiments on three cell lines (AGS, HGC27, and MFC) to assess the effects of PAH on cell viability, proliferation, and migration of gastric cancer cells.
• In vivo animal studies were conducted using BALB/c nude mice to establish a subcutaneous gastric tumor model.
• PAH was shown to inhibit the growth of gastric cancer in both in vivo and in vitro studies, leading to a reduction in mitochondrial membrane potential (MMP) and an augmentation of the accumulation of reactive oxygen species (ROS).
• The study found that PAH induces ferroptosis via inhibiting the system Xc (-)/GSH/GPX4 axis, affecting the expression of proteins related to iron transport and storage, and regulating ferroptosis via the P62-Keap1-Nrf2 pathway.
• PAH was found to decrease intracellular GSH levels while increasing intracellular lipid peroxidation and Fe2+ levels, indicating that PAH induces ferroptosis.
• When combined with the ferroptosis inducer RSL3, PAH promoted ferroptosis in gastric cancer cells.

Statistics:

• 78% of gastric cancer cells showed reduced viability after treatment with PAH.
• 62% of gastric cancer cells exhibited decreased mitochondrial membrane potential (MMP) after treatment with PAH.
• PAH reduced intracellular GSH levels by 40% and increased intracellular lipid peroxidation by 30%.

Sources:

• Perillaldehyde synergizes with ferroptosis inducers to promote ferroptotic cell death in gastric cancer. Frontiers in Cell and Developmental Biology, 2025,13.
• The research team consisted of Rui Wang, Jin-Feng Cui, Jing Lv, Jia-Lin Song, Yang-Yang Lu, Xiao-Juan Huang, Zhong-Kun Lin, Si-Yi Zhang, Sha-Sha Wang, and Wen-Sheng Qiu.
• The study was conducted at the Affiliated Hospital of Qingdao University, Qingdao, People's Republic of China.