期刊
MOLECULAR THERAPY
卷 29, 期 3, 页码 920-936出版社
CELL PRESS
DOI: 10.1016/j.ymthe.2021.01.002
关键词
-
资金
- Cancer Research UK Career Development Fellowship [C59392/A25064]
Pancreatic cancer is a challenging disease, with chemotherapy as the standard treatment that may paradoxically lead to chemoresistance. The crosstalk between pancreatic tumor cells and the surrounding stromal microenvironment plays a crucial role in the development of chemoresistance. The involvement of the TGFB1/INHBA signaling network in regulating key mechanisms related to chemoresistance highlights potential targets for therapeutic strategies.
Pancreatic cancer remains a grueling disease that is projected to become the second-deadliest cancer in the next decade. Standard treatment of pancreatic cancer is chemotherapy, which mainly targets the differentiated population of tumor cells; however, it paradoxically sets the roots of tumor relapse by the selective enrichment of intrinsically chemoresistant pancreatic cancer stem cells that are equipped with an indefinite capacity for self-renewal and differentiation, resulting in tumor regeneration and an overall anemic response to chemotherapy. Crosstalk between pancreatic tumor cells and the surrounding stromal microenvironment is also involved in the development of chemoresistance by creating a supportive niche, which enhances the stemness features and tumorigenicity of pancreatic cancer cells. In addition, the desmoplastic nature of the tumor-associated stroma acts as a physical barrier, which limits the intratumoral delivery of chemotherapeutics. In this review, we mainly focus on the transforming growth factor beta 1 (TGFB1)/inhibin subunit beta A (INHBA) homodimer/Nodal-SMAD2/3 signaling network in pancreatic cancer as a pivotal central node that regulates multiple key mechanisms involved in the development of chemoresistance, including enhancement of the stem cell-like properties and tumorigenicity of pancreatic cancer cells, mediating cooperative interactions between pancreatic cancer cells and the surrounding stroma, as well as regulating the deposition of extracellular matrix proteins within the tumor microenvironment.
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