RNF43 p.G659fs 通过 PI3K/AKT/mTOR 信号通路和 HLA-E 上调导致 MSI-high 结直肠癌中 NK 细胞功能障碍
RNF43 p.G659fs leads to natural killer cell dysfunction in MSI-high colorectal cancer through PI3K/AKT/mTOR signaling and HLA-E up-regulation.
CELL INTELLIGENCE · 肿瘤细胞治疗研究
肿瘤细胞治疗研究
英文原题:Ganoderma lucidum spore oil synergistically enhances the function of cyclophosphamide in the prevention of breast cancer metastasis.
Ganoderma lucidum spore oil synergistically enhances the function of cyclophosphamide in the prevention of breast cancer metastasis.
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GanoOil 是一种安全药物,可增强小鼠免疫活性从而实现对癌症的治疗作用,并且可与 CTX 协同抑制肿瘤转移。
灵芝是一种传统中草药,已显示出作为癌症患者替代辅助疗法的潜力。然而,灵芝在癌症治疗中的机制和辅助治疗效果仍不清楚。
本研究使用新开发的灵芝孢子油提取物GanoOil,探讨其与化疗药物环磷酰胺(CTX)联合用于预防乳腺癌转移的机制和辅助治疗效果。
在肺转移模型中,口服GanoOil增加了小鼠血液中CD8+ T细胞的数量和白细胞介素(IL)-6细胞因子水平,同时增强了脾脏中NK 细胞的活性。此外,GanoOil与CTX联合使用有效抑制了循环乳腺癌细胞的肺转移,减轻了CTX引起的体重下降,并降低了小鼠肺和脾重量与体重的比值。而且,高浓度GanoOil在体外和体内实验中均未表现出明显的毒性或副作用。
Ganoderma lucidum ( G . lucidum ) is a traditional Chinese herbal medicine that has shown potential as an alternative adjuvant therapy for cancer patients. However, the mechanisms and adjuvant therapeutic effects of G . lucidum in cancer treatment remain unclear.
In this work, G . lucidum spore oil (GanoOil), a newly developed oily G . lucidum spore extract was used to investigate the mechanisms and adjuvant therapeutic effects of GanoOil in conjunction with the chemotherapeutic drug cyclophosphamide (CTX) for preventing breast cancer metastasis.
In the model of lung metastasis, orally administered GanoOil increased the population of CD8 + T cells and interleukin (IL)-6 cytokine levels in mouse blood, whereas also enhancing the activity of natural killer cells in the spleen. Furthermore, the combination of GanoOil and CTX effectively suppressed the lung metastasis of circulating breast cancer cells, alleviated CTX-induced weight loss, and reduced the ratio of lung and spleen weight to body weight in mice. Moreover, high concentrations of GanoOil exhibited no significant toxicity or side effects in both in vitro and in vivo experiments.
In conclusion, GanoOil is a safe drug that can enhance immune activity in mice to achieve therapeutic effects on cancer, and can also synergistically inhibit tumor metastasis with CTX.
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