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1.贵州中医药大学第一临床医学院,贵阳 550001
2.贵州中医药大学第一附属医院消化内科,贵阳 550001
3.贵州中医药大学第一附属医院老年病科,贵阳 550001
博士研究生。研究方向:中医药、民族医药防治消化系统疾病的基础及临床。E-mail:1018458981@qq.com
主任医师,教授,博士生导师,博士。研究方向:中医药、民族医药防治消化系统疾病的基础及临床。E-mail:407206115@qq.com
收稿日期:2024-08-20,
修回日期:2024-12-28,
录用日期:2024-12-31,
纸质出版日期:2025-02-28
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文维农,安祯祥,何远利,等.苗药地锦草对肝纤维化模型大鼠的改善作用及机制研究[J].中国药房,2025,36(04):407-413.
WEN Weinong,AN Zhenxiang,HE Yuanli,et al.Ameliorative effects and mechanisms of Miao medicine Euphorbia humifusa on hepatic fibrosis model rats[J].ZHONGGUO YAOFANG,2025,36(04):407-413.
文维农,安祯祥,何远利,等.苗药地锦草对肝纤维化模型大鼠的改善作用及机制研究[J].中国药房,2025,36(04):407-413. DOI: 10.6039/j.issn.1001-0408.2025.04.04.
WEN Weinong,AN Zhenxiang,HE Yuanli,et al.Ameliorative effects and mechanisms of Miao medicine Euphorbia humifusa on hepatic fibrosis model rats[J].ZHONGGUO YAOFANG,2025,36(04):407-413. DOI: 10.6039/j.issn.1001-0408.2025.04.04.
目的
2
探讨苗药地锦草对肝纤维化(HF)模型大鼠的改善作用及机制。
方法
2
将38只大鼠按随机数字表法分为对照组(生理盐水,
n
=7),模型组(生理盐水,
n
=7),地锦草低、中、高剂量组(0.675、1.35、2.70 g/kg,
n
=6)和水飞蓟宾组(阳性对照,18.9 mg/kg,
n
=6)。除对照组外,其余各组大鼠均腹腔注射四氯化碳构建HF模型。造模成功后,各组大鼠灌胃相应药物/生理盐水,每天1次,连续30 d。末次给药后,计算大鼠肝指数,观察其血清中肿瘤坏死因子α(TNF-α)、白细胞介素17(IL-17)、IL-1β、IL-6、丙氨酸转氨酶(ALT)、天冬氨酸转氨酶(AST)、羟脯氨酸(HYP)水平,观察其肝组织形态与HF变化,检测其肝组织中转化生长因子β
1
(TGF-β
1
)、
α
-平滑肌肌动蛋白(
α
-SMA)水平,检测肝组织中
α
-SMA及TNF-α/NF-κB信号通路相关蛋白以及TNF-α、NF-κB p65 mRNA表达。
结果
2
与模型组比较,各给药组大鼠肝指数,血清中TNF-α、IL-17、IL-1β、IL-6、ALT、AST、HYP水平,肝组织中NF-κB p65 mRNA相对表达量,肝组织中TNF-α、
α
-SMA蛋白表达水平及NF-κB p65蛋白磷酸化水平,以及地锦草中、高剂量组大鼠的肝组织中α-SMA、TGF-β
1
表达水平和地锦草高剂量组大鼠肝组织中阳性染色百分比、TNF-α mRNA相对表达量均显著降低(
P
<0.05或
P
<0.01);各给药组大鼠肝组织中IκBα蛋白表达水平均显著升高(
P
<0.05或
P
<0.01);各给药组大鼠肝组织病理变化及HF程度均有不同程度改善。
结论
2
地锦草可能通过抑制TNF-α/NF-κB信号通路激活来缓解大鼠HF。
OBJECTIVE
2
To investigate the ameliorative effects and mechanisms of Miao medicine
Euphorbia humifusa
on hepatic fibrosis (HF) model rats.
METHODS
2
Thirty-eight rats were randomly assigned according to a random number table into control group (normal saline,
n
=7), model group (normal saline,
n
=7),
E. humifusa
low-, medium- and high-dose groups (0.675, 1.35, 2.70 g/kg,
n
=6), and silybin group (positive control, 18.9 mg/kg,
n
=6). All groups except the control group were subjected to HF induction via intraperitoneal injection of carbon tetrachloride. After modeling, rats were administered their respective drugs/normal saline by gavage, once a day, for 30 days. At the last medication, the liver index was calculated, and serum levels of tumor necrosis factor-α (TNF-α), i
nterleukin-17 (IL-17), IL-1β, IL-6, alanine transaminase (ALT), aspartate transaminase (AST), and hydroxyproline (HYP) were measured. Liver morphology and HF changes were observed. Levels of transforming growth factor-β
1
(TGF-β
1
) and
α
-smooth muscle actin (
α
-SMA), as well as the expressions of
α
-SMA, proteins related to TNF-α/NF-κB signaling pathway, mRNA expressions of TNF-α and NF-κB p65 in liver tissue were determined.
RESULTS
2
Compared with model group, liver index, serum levels of TNF-α, IL-17, IL-1β, IL-6, ALT, AST and HYP, relative expression of NF-κB p65 mRNA, and the levels of TNF-α and
α
-SMA proteins and phosphorylated NF-κB p65 in liver tissues of rats from administration groups, the expressions of
α
-SMA and TGF-β
1
in liver tissue of rats from
E. humifusa
medium-dose and high-dose groups, as well as positive staining percentage and mRNA expression of TNF-α in liver tissue of rats from
E. humifusa
high-dose group were all decreased significantly (
P
<0.05 or
P
<0.01); IκBα protein expression from administration groups was significantly increased (
P
<0.05 or
P
<0.01). Pathological changes and the degree of HF in the liver tissues of rats from administration groups were ameliorated to various extents.
CONCLUSIONS
2
E. humifusa
may alleviate HF in rats by inhibiting the activation of the TNF-α/NF-κB signaling pathway.
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