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1.上海中医药大学附属曙光医院疫病研究所,上海市中医临床重点实验室(上海 201203)
2.上海中医药大学附属曙光医院肝病科(上海 201203)
俞诗涵,女,硕士研究生,主要从事中西医结合防治肝癌研究工作
余卓,主任医师,博士研究生导师; E-mail:zhuoyu@shutcm.edu.cn
收稿:2025-05-06,
纸质出版:2026-01-10
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俞诗涵,张雪梅,石佳,等.华蟾素的主要活性成分通过激活巨噬细胞cGAS⁃STING信号通路抑制肝癌进展[J].上海中医药杂志,2026,60(1):82-91.
YU Shihan,ZHANG Xuemei,SHI Jia,et al.Main active components of Cinobufacini inhibit progression of hepatocellular carcinoma by activating cGAS⁃STING signaling pathway in macrophages[J].Shanghai Journal of Traditional Chinese Medicine,2026,60(1):82-91.
俞诗涵,张雪梅,石佳,等.华蟾素的主要活性成分通过激活巨噬细胞cGAS⁃STING信号通路抑制肝癌进展[J].上海中医药杂志,2026,60(1):82-91. DOI: 10.16305/j.1007-1334.2026.z20250506001.
YU Shihan,ZHANG Xuemei,SHI Jia,et al.Main active components of Cinobufacini inhibit progression of hepatocellular carcinoma by activating cGAS⁃STING signaling pathway in macrophages[J].Shanghai Journal of Traditional Chinese Medicine,2026,60(1):82-91. DOI: 10.16305/j.1007-1334.2026.z20250506001.
目的
2
通过体内外模型阐明华蟾素主要活性成分——蟾毒灵、华蟾毒精、蟾毒它灵、华蟾毒它灵和脂蟾蜍配基的抗肝癌效应及其免疫调控机制。
方法
2
①体外实验:使用人Huh7和小鼠Hepa1-6肝癌细胞株,采用细胞计数试剂盒(CCK-8)法检测药物对细胞活力的影响,DNA损伤及γ-组蛋白H2A变体X(γ-H2AX)表达运用DNA定量试剂盒、彗星实验、免疫荧光及Western blot进行检测。通过建立肿瘤细胞(Huh7、Hepa1-6)上清液-巨噬细胞(人THP-1、小鼠RAW264.7)共培养体系,采用Western blot、酶联免疫吸附分析(ELISA)试剂盒检测环磷酸鸟苷-腺苷合成酶(cGAS)-干扰素基因刺激蛋白(STING)信号通路蛋白表达及下游细胞因子的水平。②体内实验:构建Hepa1-6原位肝癌模型,用单个组分(
n
=5)处理小鼠,验证华蟾素的主要活性成分通过激活cGAS-STING信号通路抑制肿瘤生长。
结果
2
①体外实验证实蟾毒灵、华蟾毒精、蟾毒它灵和华蟾毒它灵能够显著诱导肝癌细胞DNA损伤,促进γ-H2AX的表达,激活巨噬细胞内cGAS-STING信号通路,增强β干扰素(IFN-β)分泌。②体内实验证实这些成分能激活cGAS-STING信号通路,分泌IFN-β,显著抑制肿瘤生长。
结论
2
蟾毒灵、华蟾毒精、蟾毒它灵和华蟾毒它灵通过激活cGAS-STING信号通路抑制肿瘤生长的免疫调节机制,为肝癌的免疫治疗提供了一种有效的治疗策略。
Objective
2
To elucidate the anti-hepatocellular carcinoma (HCC) effect and immunoregulatory mechanism of the main active components of Cinobufacini (Huachansu), including bufalin, cinobufagin, bufotalin, cinobufotalin and resibufogenin, using
in vitro
and
in vivo
models.
Methods
2
①
In vitro
: Human Huh7 and mouse Hepa1-6 HCC cells were treated with individual components. Cell viability was assessed using the Cell Counting Kit-8(CCK-8) assay. DNA damage and γ-histone H2A variant X (γ- H2AX) expression were analyzed using DNA quantification kits, comet assays, immunofluorescence, and Western blot. A co-culture system of tumor cell (Huh7, Hepa1-6) supernatant and macrophages (human THP-1, mouse RAW264.7) was established. Western blot and enzyme-linked immunosorbent assay (ELISA) were used to measure protein expression of the cyclic GMP-AMP synthase (cGAS)- stimulator of interferon genes (STING) signaling pathway and the levels of downstream cytokines. ②
In vivo
: An orthotopic Hepa1-6 HCC model was established in C57BL/6 mice. Mice were treated with individual components (
n
=5) to verify valid
ate tumor suppression via the cGAS-STING pathway.
Results
2
①
In vitro:
Bufalin, cinobufagin, bufotalin and cinobufotalin significantly induced DNA damage, promoted γ-H2AX expression, activated the cGAS-STING pathway in macrophages and enhanced interferon-β (IFN-β) secretion. ②
In vivo
: These components activated the cGAS-STING pathway, secreted IFN‑β, and significantly inhibited tumor growth.
Conclusion
2
Bufalin, cinobufagin, bufotalin, and cinobufotalin inhibit HCC growth by activating the cGAS-STING signaling pathway through immunoregulation, supporting their potential as immunotherapeutic strategies.
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