We assessed long-term intake of marine ω-3 polyunsaturated fatty acid (MOPUFA) and colorectal cancer (CRC) incidence.
Higher MOPUFA intake correlated with lower incidence of CRC with scanty M1 macrophages (but not CRC with abundant M1 macrophages).
The inverse association of MOPUFA intake with CRC incidence was stronger for tumors containing fewer M1 macrophages.
MOPUFA may influence tumor-associated macrophages and CRC development.
Dietary MOPUFA intake modifications may be used to improve cancer prevention.
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| Ugai T., Väyrynen J., Ugai S., et al., (2024). Long-term marine ω-3 polyunsaturated fatty acids intake in relation to incidence of colorectal cancer subclassified by macrophage infiltrates. The Innovation Medicine 2(3): 100082. https://doi.org/10.59717/j.xinn-med.2024.100082 |
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Flow chart of the study population
Evaluation of M1-like and M2-like macrophage infiltrates in CRC
Quantitative, multispectral evaluation of M1-like and M2-like macrophage markers in the colorectal cancer microenvironment