Pancreatic ductal adenocarcinoma (PDAC) has poor prognosis due to its low surgical eligibility and resistance to chemotherapy. Abundant stroma is characteristic of PDAC, and cancer-associated fibroblasts (CAFs) are a major stromal constituent, contributing to chemoresistance. Because neoadjuvant chemotherapy (NAC) is included in PDAC treatment as a standard regimen, the role of CAFs in NAC resistance must be studied. Although type IV collagen (COLIV) is present in the tumor of PDAC, the association between COLIV and disease advancement of NAC-treated PDAC is unclear.
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Nakamura et al. (2024) studied this question.
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