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1.武汉市中医医院(湖北中医药大学附属国医医院)骨伤科,武汉;430006
2.湖北省中医院(湖北中医药大学附属医院)妇科,武汉 430006
副主任医师,硕士。研究方向:运动医学、骨关节疾病与骨质疏松。E-mail:timhm@163.com
副主任医师,硕士。研究方向:妇产科学、骨质疏松。E-mail:f0huxa@163.com
收稿:2025-09-15,
修回:2026-03-26,
录用:2026-04-02,
纸质出版:2026-04-30
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鲁林,方虹.骨碎补总黄酮调控Notch1/Hes1信号轴促进软骨细胞自噬并抑制凋亡的机制研究 [J].中国药房,2026,37(08):1027-1032.
LU Lin,FANG Hong.Regulation of Notch1/Hes1 signaling axis by total flavonoids of Drynariae Rhizoma for promoting chondrocyte autophagy and inhibiting apoptosis: a mechanistic study[J].ZHONGGUO YAOFANG,2026,37(08):1027-1032.
鲁林,方虹.骨碎补总黄酮调控Notch1/Hes1信号轴促进软骨细胞自噬并抑制凋亡的机制研究 [J].中国药房,2026,37(08):1027-1032. DOI: 10.6039/j.issn.1001-0408.2026.08.10.
LU Lin,FANG Hong.Regulation of Notch1/Hes1 signaling axis by total flavonoids of Drynariae Rhizoma for promoting chondrocyte autophagy and inhibiting apoptosis: a mechanistic study[J].ZHONGGUO YAOFANG,2026,37(08):1027-1032. DOI: 10.6039/j.issn.1001-0408.2026.08.10.
目的
2
探究骨碎补总黄酮(TFRD)调控Notch1/发状分裂相关增强子1(Hes1)信号轴对脂多糖(LPS)诱导的软骨细胞自噬及凋亡的影响。
方法
2
采用5 μg/mL LPS处理人软骨细胞系C28/I2细胞构建体外炎症损伤模型,将细胞分为正常对照组、模型组、TFRD组(200 μg/mL)、TFRD+过氧化物氧化还原酶1(Prdx1)小干扰RNA(si-Prdx1)组和TFRD+si-Prdx1阴性对照(si-NC)组,每组设6个复孔。细胞以si-Prdx1或si-NC转染24 h、TFRD预处理2 h,再以LPS处理,总计培养48 h。检测细胞凋亡率、凋亡细胞占比、单丹磺酰尸胺(MDC)荧光强度和基质金属蛋白酶13(MMP-13)、含Ⅰ型血小板结合蛋白基序的解聚蛋白样金属蛋白酶5(ADAMTS5)、软骨寡聚基质蛋白(COMP)含量以及X连锁凋亡抑制蛋白(XIAP)、多腺苷二磷酸核糖聚合1(PARP1)、Beclin-1、微管相关蛋白1轻链3Ⅱ/Ⅰ(LC3-Ⅱ/Ⅰ)、PTEN诱导激酶1(PINK1)、Notch1、Hes1、Prdx1蛋白表达情况。
结果
2
与模型组比较,TFRD组细胞凋亡率、凋亡细胞占比和MMP-13、ADAMTS5含量以及PARP1蛋白表达水平均显著降低,MDC荧光强度、COMP含量和XIAP、Beclin-1、LC3-Ⅱ/Ⅰ、PINK1、Notch1、Hes1、Prdx1蛋白表达水平均升高(
P
<0.05)。与TFRD+si-NC组比较,TFRD+si-Prdx1组细胞中除Notch1、Hes1以外上述指标的变化均被显著逆转(
P
<0.05)。
结论
2
TFRD可能通过激活Notch1/Hes1信号轴上调下游靶分子Prdx1的表达,进而抑制LPS诱导的软骨细胞凋亡、促进其保护性自噬,从而改善软骨代谢稳态。
OBJECTIVE
2
To investigate the effects of total flavonoids of Drynariae Rhizoma (TFRD) on autophagy and apoptosis in LPS-induced chondrocytes via the regulation of the Notch1/hairy and enhancer of split 1 (Notch1/Hes1) signaling axis.
METHODS
2
Human chondrocyte cell line C28/I2 cells were cultured with 5 μg/mL LPS to esta
blish
in vitro
inflammatory injury model. The cells were separated into normal control group, model group, TFRD group (200 μg/mL), TFRD+peroxiredoxin 1 (Prdx1) small interfering RNA (si-Prdx1) group and TFRD+si-Prdx1 negative control (si-NC) group, with 6 replicate wells in each group. Cells were transfected with si-Prdx1 or si-NC for 24 hours, pretreated with TFRD for 2 hours, and then exposed to LPS, with a total culture duration of 48 hours. Apoptotic rate, the proportion of apoptotic cells, monodansylcadaverine (MDC) fluorescence intensity, as well as the contents of matrix metalloproteinase-13 (MMP-13), a disintegrin and metalloproteinase with thrombospondin motifs 5 (ADAMTS5), and cartilage oligomeric matrix protein (COMP) were measured. Additionally, the protein expression levels of X-linked inhibitor of apoptosis protein (XIAP), poly(ADP-ribose) polymerase 1 (PARP1), Beclin-1, microtubule-associated protein 1 light chain 3 Ⅱ/Ⅰ (LC3-Ⅱ/Ⅰ), PTEN-induced putative kinase 1 (PINK1), Notch1, Hes1, and Prdx1 were assessed.
RESULTS
2
Compared with model group, the apoptotic rate, the proportion of apoptotic cells, the contents of MMP-13 and ADAMTS5 as well as protein expressions of PARP1 were significantly decreased, while MDC fluorescence intensity, COMP content, protein expressions of XIAP, Beclin-1, LC3-Ⅱ/Ⅰ, PINK1, Notch1, Hes1 and Prdx1 were significantly increased (
P
<0.05). Compared with TFRD+si-NC group, the changes in the aforementioned indicators (except for Notch1 and Hes1) in the cells of the TFRD+si-Prdx1 group were significantly reversed (
P
<0.05).
CONCLUSIONS
2
TFRD may activate the Notch1/Hes1 signaling axis, and up-regulate the expression of the downstream target molecule Prdx1, thereby inhibiting LPS-induced chondrocyte apoptosis, promoting protective autophagy, and consequently improving cartilage metabolic homeostasis.
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