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Phospholipids play a crucial role in various aspects of cancer biology, including tumor progression, metastasis, and cell survival. Recent studies have highlighted the significance of phospholipid metabolism and signaling in multiple cancer types, such as breast, cervical, prostate, bladder, colorectal, liver, lung, melanoma, mesothelioma, and oral cancer. Alterations in phospholipid profiles, particularly in phosphatidylcholine and phosphatidylethanolamine, have been identified as potential biomarkers for cancer diagnosis and prognosis. Moreover, specific phospholipids and their metabolic pathways have been implicated in cancer cell proliferation, migration, invasion, and resistance to therapy. Enzymes involved in phospholipid metabolism, such as phospholipases, choline kinase, and autotaxin, have emerged as promising therapeutic targets. The harmony between phospholipids and oncogenic signaling pathways, such as PI3K/AKT and Wnt/β-catenin, further emphasizes their importance in cancer progression. Additionally, phospholipids have been shown to modify the tumor microenvironment, influencing immune responses and angiogenesis. The application of advanced lipidomic profiling techniques, such as mass spectrometry, has facilitated the identification of novel phospholipid biomarkers and provided insights into the metabolic reprogramming of cancer cells. Furthermore, phospholipid-based nanocarriers have demonstrated potential in targeted drug delivery and cancer immunotherapy. In conclusion, the multifaceted roles of phospholipids in cancer biology highlight their significance as diagnostic markers, prognostic indicators, as well as therapeutic targets, offering new avenues for cancer management and treatment. This review is conducted in order to answer three questions: What is the role of phospholipids in different types of cancer? What are the key lipidomic biomarkers for different cancers? What are the key effects of phospholipids on various types of cancer cell survival?
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