Shiitake, Lentinan & Eritadenine: Immune Defense and Cardiovascular Health
A research-led overview of Shiitake (Lentinula edodes) — covering lentinan's Dectin-1 / MAPK-NF-κB immune activation pathway, 12 years of clinical use as a cancer immunotherapy adjunct in China, eritadenine's dose-dependent LDL cholesterol reduction, and how shiitake polysaccharides support gut microbiome health.
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Source Research Papers
Citations in APA 7 format. All studies were sourced from peer-reviewed journals via Google Scholar. Unfamiliar terms? See the plain-language glossary →
Ina, K., Kataoka, T., & Ando, T. (2013). The use of lentinan in treating gastric cancer. Anti-Cancer Agents in Medicinal Chemistry, 13(5), 681–688. https://doi.org/10.2174/1871520611313050002
Reviews trials showing that lentinan, a Shiitake compound, helps stomach-cancer patients live longer when added to chemo — used as an immune booster, not a stand-alone cure.
Zhang, Y., Zhang, M., Jiang, Y., Li, X., He, Y., Zeng, P., Guo, Z., Chang, Y., Luo, H., & Liu, Y. (2018). Lentinan as an immunotherapeutic for treating lung cancer: A review of 12 years clinical studies in China. Journal of Cancer Research and Clinical Oncology, 144(11), 2177–2186. https://doi.org/10.1007/s00432-018-2718-1
Across 18 trials and 2,000+ lung-cancer patients, adding Shiitake-derived lentinan to standard treatment improved response and quality of life — as a helper to chemo, not a replacement.
Enman, J., Rova, U., & Berglund, K. A. (2007). Quantification of the bioactive compound eritadenine in selected strains of shiitake mushroom (Lentinus edodes). Journal of Agricultural and Food Chemistry, 55(4), 1177–1180. https://doi.org/10.1021/jf062559+
Found that Shiitake's cholesterol-lowering compound varies a lot by strain — so not every shiitake is equal when it comes to heart-health effects.
Zhang, M., Zhang, Y., Zhang, L., & Tian, Q. (2019). Mushroom polysaccharide lentinan for treating different types of cancers: A review of 12 years clinical studies in China. Progress in Molecular Biology and Translational Science, 163, 297–328. https://doi.org/10.1016/bs.pmbts.2019.02.013
A broad review of lentinan as a chemo add-on across several cancers, summarizing better response and quality of life when it's combined with standard therapy.
Chihara, G., Hamuro, J., Maeda, Y. Y., Shiio, T., Suga, T., Takasuka, N., & Sasaki, T. (1987). Antitumor and metastasis-inhibitory activities of lentinan as an immunomodulator: An overview. Cancer Detection and Prevention Supplement, 1, 423–443.
The original work framing lentinan as an immune-boosting cancer helper rather than a direct tumor-killer — the foundation for decades of Shiitake research.
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