Lipidomic Profiles of Cancer-Associated Fibroblasts with Cholangiocarcinoma Patients
Keywords:
cancer-associated fibroblasts, cholangiocarcinoma, lipidomicsAbstract
Background and Objectives: Lipids is an essential component in tumor and they facilitate tumor growth and metastasis. Cancer-associated fibroblasts (CAFs) are defined as a tumor environment (TME) by which cells reside in stromal compartments supporting tumor progression. The lipid profile of CAFs, particularly in cholangiocarcinoma (CCA), have been unexploited. We aimed to investigate lipid profiles in CAFs of patients with CCA using lipidomic approach.
Methods: Three samples of CAFs were primarily isolated from tumor tissues of patients with CCA and subcultured in the laboratory. Lipid profiles in CAFs compared with normal fibroblasts (NFs) were analyzed by a non-targeted lipidomic analysis platform using ultra-high performance liquid chromatography-tandem mass spectroscopy (UHPLC-MS/MS).
Results: Forty-three lipid species in 3 groups were determined in CAFs including phosphatidylethanolamines, sphingomyelins and phosphatidylcholines. Those lipids presented in different levels between CAFs and NFs.
Conclusion: Lipids in CAFs are associated with metabolic adaptation that might support tumor progression and metastasis in CCA. The lipid profiles in these CAFs have the potential to be applied in targeted therapies that disrupt metabolic interactions between CAFs and CCA cells.
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