Journal
MOLECULAR CANCER
Volume 17, Issue -, Pages -Publisher
BMC
DOI: 10.1186/s12943-018-0815-z
Keywords
Pancreatic stellate cells; PDAC; Metabolic reprogramming; Immune evasion; Drug resistance
Categories
Funding
- National Natural Science Foundation of China [81172470, 81070362, 81372629, 81772627]
- Nature Science Foundation of Hunan Province [2015JC3021, 2016JC2037]
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Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal malignant diseases worldwide. It is refractory to conventional treatments, and consequently has a documented 5-year survival rate as low as 7%. Increasing evidence indicates that activated pancreatic stellate cells (PSCs), one of the stromal components in tumor microenvironment (TME), play a crucial part in the desmoplasia, carcinogenesis, aggressiveness, metastasis associated with PDAC. Despite the current understanding of PSCs as a partner in crime to PDAC, detailed regulatory roles of PSCs and related microenvironment remain obscure. In addition to multiple paracrine signaling pathways, recent research has confirmed that PSCs-mediated tumor microenvironment may influence behaviors of PDAC via diverse mechanisms, such as rewiring metabolic networks, suppressing immune responses. These new activities are closely linked with treatment and prognosis of PDAC. In this review, we discuss the recent advances regarding new functions of activated PSCs, including PSCs-cancer cells interaction, mechanisms involved in immunosuppressive regulation, and metabolic reprogramming. It's clear that these updated experimental or clinical studies of PSCs may provide a promising approach for PDAC treatment in the near future.
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