Abstract
Recent advances indicating a key role of microenvironment for tumor progression, we investigated the role of PSCs and hypoxia in pancreatic cancer aggressiveness, and examined the potential protective effect of α-mangostin on hypoxia-driven pancreatic cancer progression. Our data indicate that hypoxic PSCs exploit their oxidative stress due to hypoxia to secrete soluble factors favouring pancreatic cancer invasion. α-Mangostin suppresses hypoxia-induced PSC activation and pancreatic cancer cell invasion through the inhibition of HIF-1α stabilization and GLI1 expression. Increased generation of hypoxic ROS is responsible for HIF-1α stabilization and GLI1 upregulation. Therefore, α-mangostin may be beneficial in preventing hypoxia-induced pancreatic cancer progression.
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